CN103781170A - Method and device for signal sending and device identification - Google Patents

Abstract

Embodiments of the invention disclose a method and device for signal sending and device identification and relates to the wireless communication field so as to prevent the case of confusion during device identification from happening. According to the method and device for signal sending and device identification, device identification is determined based on synchronization signal sequences and physical resources used in sending the synchronization signal sequences and/ or sent control information; and compared with the conventional technical scheme that in the prior art, the device identification is determined only based on the synchronization signal sequences, the scheme in the invention extends the number of the available device identification of a system, so that the case of confusion during device identification is prevented from happening to some degree.

Description

Signal transmission and equipment identification method and equipment

Technical Field

The present invention relates to the field of wireless communications, and in particular, to a method and an apparatus for signal transmission and apparatus identification.

Background

With the development of technology and the explosive growth of data services, more and more micro base stations (Pico), Home base stations (Home NodeB), and other low-power base stations are deployed to provide local small coverage, and cells covered by such base stations may be collectively referred to as small cells (small cells). The deployment of the small cell can not only expand the coverage of a Macro cell (Macro cell), but also improve the throughput in a specific area. Generally, the more small cells are deployed in a network, more users can be served by the small cells, and the performance gain brought by the small cells is enjoyed, so that the overall throughput of the network is improved greatly. It is expected that in a practical network, it is likely that a situation will occur where small cells are densely deployed in a large number in a geographical area where traffic demands are concentrated.

In the prior art, Synchronization Signal sequences are used to identify cells, in a Long Term Evolution (LTE) system, Primary Synchronization Signal (PSS) and Secondary Synchronization Signal (SSS) are used to jointly identify cells, the system provides 504 cell Identifications (IDs) that can be distinguished from each other, and network deployment requires different cell IDs to be used between adjacent cells. In the traditional cell deployment with only Macro cells (Macro only) or Macro cell areas + low density small cells, it is easier to make neighboring cells use different cell IDs. However, when a large number of densely deployed small cell cells are needed, no matter a centralized cell ID allocation manner or a distributed cell ID allocation manner is adopted, if the requirement that adjacent cells use different cell IDs is met, the complexity of network planning may be increased, or in some scenarios, the above requirement may not be met due to too high cell density, which may cause confusion when a terminal or a network identifies cells.

Fig. 1 shows a schematic diagram of mass deployment of small cells in a Macro network, wherein the Macro cells and the small cells use different frequencies, F1 and F2 respectively. In such a network deployment, at least for different cells using the same frequency, the cell IDs used by them need to satisfy the following two conditions:

first, there is no conflict, i.e. any two adjacent co-frequency cells cannot use the same cell ID, otherwise the terminal will not be able to distinguish between these two different cells.

Secondly, there is no confusion, that is, there cannot be any two cells with the same frequency in all the neighboring cells of a cell using the same cell ID, otherwise, the current cell cannot correctly identify the two different neighboring cells.

The assignment of cell IDs typically has two modes

First, centralized, e.g., by an operation and maintenance system, to uniformly assign cell IDs to different cells;

second, a list of candidate cell IDs is provided by the distributed, e.g., operation and maintenance system, with each cell randomly selecting one of the available cell IDs.

In an LTE system, cells are identified by using PSS and SSS, wherein the PSS adopts a ZC sequence, the SSS adopts an m sequence, and a cell ID is represented by a PSS signal sequence

And SSS signal sequence

Both are determined together, i.e.There are 3 different sequences for PSS and 168 for SSS, which together determine a total of 504 mutually different cell IDs.

PSS and SSS may also be referred to as Primary Synchronization Channel (PSCH) and Secondary Synchronization Channel (SSCH), respectively. PSS is sent once every half frame (5ms) and uses the same time-frequency resource location, SSS is similar. Fig. 2 and fig. 3 show Time domain resources occupied by PSS and SSS in a Frequency Division Duplex (FDD) system and a Time Division Duplex (TDD) system in the prior art, where, for example, the SSS/PSS is respectively transmitted in the last two Orthogonal Frequency Division Multiplexing (OFDM) symbols in the first Time slot of subframes 0 and 5 of each radio frame.

The frequency domain resources occupied by the PSS and SSS in the system are the same, i.e. 6 Resource Blocks (RBs) in the center of the system bandwidth, for 72 subcarriers, where 62 subcarriers are used for mapping the PSS or SSS and the remaining subcarriers do not transmit signals, as shown in fig. 4.

In addition, SSS sequences sent by two 5ms half frames in a wireless frame are different, different scrambling codes are used for determining a frame header of the wireless frame when a terminal initially synchronizes, and the probability of signal peak-to-average ratio and cell ID error detection can be reduced.

In summary, in the prior art of the LTE system, synchronization signal sequences, i.e. PSS and SSS, are used to jointly identify cells, the system provides 504 cell IDs that can be distinguished from each other, and the network deployment requires the use of different cell IDs between adjacent cells. In a conventional Macro only or Macro + low density small cell deployment, it is easier to make neighboring cells use different cell IDs. However, when a large number of densely deployed small cell cells are needed, no matter a centralized cell ID allocation manner or a distributed cell ID allocation manner is adopted, if the requirement that adjacent cells use different cell IDs is met, the complexity of network planning may be increased, or in some scenarios, the above requirement may not be met due to too high cell density, which may cause confusion when a terminal or a network identifies cells.

Disclosure of Invention

The embodiment of the invention provides a method and equipment for signal transmission and equipment identification, which are used for avoiding confusion during equipment identification.

A method of signaling, the method comprising:

the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

the sending equipment determines the physical resource used for sending the synchronization signal sequence to be sent according to the equipment identification, the synchronization signal sequence and the preset association relationship between the equipment identification and the synchronization signal sequence as well as the physical resource used for sending the synchronization signal sequence;

and the transmitting equipment transmits the synchronization signal sequence to be transmitted by using the determined physical resource.

A method of device identification, the method comprising:

the receiving equipment detects the synchronous signal sequence sent by the sending equipment and determines the physical resource bearing the detected synchronous signal sequence;

and the receiving equipment determines the equipment identifier of the sending equipment according to the synchronization signal sequence, the physical resource and the preset association relationship between the equipment identifier and the synchronization signal sequence and the physical resource used for sending the synchronization signal sequence.

A transmitting device, the device comprising:

the first determining unit is used for determining the equipment identification and the synchronization signal sequence required to be sent;

a second determining unit, configured to determine, according to the device identifier, the synchronization signal sequence, and a preset association relationship between the device identifier and a synchronization signal sequence and a physical resource used for sending the synchronization signal sequence, a physical resource used for sending the synchronization signal sequence to be sent;

and the sending unit is used for sending the synchronization signal sequence needing to be sent by using the determined physical resource.

A receiving device, the device comprising:

the device comprises a detection unit, a processing unit and a processing unit, wherein the detection unit is used for detecting a synchronous signal sequence sent by sending equipment and determining a physical resource bearing the detected synchronous signal sequence;

and the identification unit is used for determining the equipment identifier of the sending equipment according to the synchronization signal sequence, the physical resource and the association relationship between the preset equipment identifier and the synchronization signal sequence and the physical resource used for sending the synchronization signal sequence.

In a first scheme provided in an embodiment of the present invention, after determining a device identifier and a synchronization signal sequence to be transmitted, a transmitting device determines a physical resource used for transmitting the synchronization signal sequence according to a preset association relationship between the device identifier and the synchronization signal sequence and a physical resource used for transmitting the synchronization signal sequence, and transmits the synchronization signal sequence using the determined physical resource, a receiving device detects the synchronization signal sequence transmitted by the transmitting device, determines a physical resource carrying the detected synchronization signal sequence, and determines a device identifier of the transmitting device according to the association relationship. Therefore, in the scheme, the device identifier is determined by the synchronization signal sequence and the physical resource used for sending the synchronization signal sequence, and compared with the prior art in which the device identifier is determined by the synchronization signal sequence only, the number of the available device identifiers in the system is increased, so that the confusion condition during device identification can be avoided to a certain extent.

A method of signaling, the method comprising:

the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

the sending equipment determines the control information to be sent according to the equipment identification, the synchronization signal sequence and the preset association relationship between the equipment identification and the synchronization signal sequence as well as the control information;

and the transmitting equipment transmits the synchronization signal sequence to be transmitted and the control information to be transmitted.

A method of device identification, the method comprising:

the receiving equipment detects the synchronous signal sequence and the control information sent by the sending equipment;

and the receiving equipment determines the equipment identifier of the sending equipment according to the synchronization signal sequence, the control information and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the control information.

A transmitting device, the device comprising:

the first determining unit is used for determining the equipment identification and the synchronization signal sequence required to be sent;

the second determining unit is used for determining the control information to be sent according to the equipment identifier, the synchronization signal sequence and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the control information;

and the sending unit is used for sending the synchronization signal sequence to be sent and the control information to be sent.

A receiving device, the device comprising:

the detection unit is used for detecting the synchronization signal sequence and the control information sent by the sending equipment;

and the identification unit is used for determining the equipment identifier of the sending equipment according to the synchronization signal sequence, the control information and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the control information.

In the second scheme provided in the embodiment of the present invention, after determining the device identifier and the synchronization signal sequence to be transmitted, the transmitting device determines the control information to be transmitted according to the preset association relationship between the device identifier and the synchronization signal sequence and the control information, and transmits the synchronization signal sequence and the control information, and the receiving device detects the synchronization signal sequence and the control information transmitted by the transmitting device, and determines the device identifier of the transmitting device according to the association relationship. Therefore, in the scheme, the sent synchronization signal sequence and the control information jointly determine the equipment identifier, and compared with the prior art in which the equipment identifier is determined only by the synchronization signal sequence, the scheme expands the number of the available equipment identifiers in the system, thereby avoiding the confusion condition during equipment identification to a certain extent.

A method of signaling, the method comprising:

the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

the sending equipment determines the physical resource used for sending the synchronization signal sequence to be sent and the control information to be sent according to the equipment identification, the synchronization signal sequence and the preset association relationship between the equipment identification and the synchronization signal sequence as well as the physical resource and the control information used for sending the synchronization signal sequence;

and the sending equipment sends the synchronization signal sequence to be sent by using the determined physical resource and sends the control information to be sent.

A method of device identification, the method comprising:

the receiving equipment detects the synchronous signal sequence and the control information sent by the sending equipment and determines a physical resource bearing the detected synchronous signal sequence;

and the receiving equipment determines the equipment identifier of the sending equipment according to the synchronization signal sequence, the control information, the physical resource and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the physical resource and the control information used for sending the synchronization signal sequence.

A transmitting device, the device comprising:

the first determining unit is used for determining the equipment identification and the synchronization signal sequence required to be sent;

a second determining unit, configured to determine, according to the device identifier, the synchronization signal sequence, and an association relationship between a preset device identifier and a synchronization signal sequence, and a physical resource and control information used for sending the synchronization signal sequence, a physical resource used for sending the synchronization signal sequence to be sent, and control information to be sent;

and the sending unit is used for sending the synchronization signal sequence needing to be sent by using the determined physical resource and sending the control information needing to be sent.

A receiving device, the device comprising:

the device comprises a detection unit, a processing unit and a processing unit, wherein the detection unit is used for detecting a synchronization signal sequence and control information sent by sending equipment and determining physical resources bearing the detected synchronization signal sequence;

and the identification unit is used for determining the equipment identifier of the sending equipment according to the synchronization signal sequence, the control information, the physical resource and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the physical resource and the control information used for sending the synchronization signal sequence.

In a third scheme provided in the embodiment of the present invention, after determining a device identifier and a synchronization signal sequence to be transmitted, a transmitting device determines a physical resource used for transmitting the synchronization signal sequence and control information to be transmitted according to a preset association relationship between the device identifier and the synchronization signal sequence, and between the physical resource used for transmitting the synchronization signal sequence and the control information, transmits the synchronization signal sequence using the determined physical resource, and transmits the control information, a receiving device detects the synchronization signal sequence and the control information transmitted by the transmitting device, determines a physical resource carrying the detected synchronization signal sequence, and determines a device identifier of the transmitting device according to the association relationship. Therefore, in the scheme, the device identifier is determined by the synchronization signal sequence, the physical resource used for sending the synchronization signal sequence and the control information together, and compared with the prior art in which the device identifier is determined by the synchronization signal sequence only, the number of the available device identifiers in the system is increased, so that the confusion condition during device identification can be avoided to a certain extent.

Drawings

FIG. 1 is a schematic diagram of a Macro cell + densely deployed small cell in the prior art;

fig. 2 is a schematic diagram of time domain resources occupied by a PSS and a SSS in an FDD system in the prior art;

fig. 3 is a schematic diagram of time domain resources occupied by PSS and SSS in a TDD system in the prior art;

fig. 4 is a schematic diagram of frequency domain resources occupied by PSS and SSS in the prior art;

fig. 5 is a schematic flow chart of a first signal transmission method according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a first device identification process according to an embodiment of the present invention;

fig. 7 is a flowchart illustrating a second method for sending a signal according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating a second device identification process according to an embodiment of the present invention;

fig. 9 is a flowchart illustrating a third method for sending a signal according to an embodiment of the present invention;

fig. 10 is a schematic view of a third device identification process provided in the embodiment of the present invention;

FIG. 11 is a diagram illustrating an embodiment of determining a cell ID in combination with a synchronization signal sequence and a radio frame location;

fig. 12 is a schematic structural diagram of a sending device according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a receiving device according to an embodiment of the present invention.

Detailed Description

In order to avoid confusion in device identification, embodiments of the present invention provide a first signaling method and a device identification method.

Referring to fig. 5, a first signal sending method provided in the embodiment of the present invention includes the following steps:

step 50: the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

step 51: the sending equipment determines the physical resource used for sending the synchronization signal sequence to be sent according to the determined equipment identification, the synchronization signal sequence and the preset incidence relation between the equipment identification and the synchronization signal sequence as well as the physical resource used for sending the synchronization signal sequence;

step 52: the transmitting device transmits the synchronization signal sequence to be transmitted by using the determined physical resource.

Specifically, the association relationship between the device identifier and the synchronization signal sequence and the physical resource used for transmitting the synchronization signal sequence may be as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location used for sending the synchronization signal sequence, and F represents a functional relationship. The time domain resource location mayTo be a radio frame position, a subframe position, an OFDM symbol position, etc.; the frequency domain resource location may be a Resource Block (RB) location or the like.

Taking Sync _ res _ index as an example to indicate a radio frame used for sending a synchronization signal sequence, F (Sync _ seq _ index, Sync _ res _ index) = M = (Sync _ seq _ index) + M;

wherein, M is the number of the wireless frames contained in the preset wireless frame set, M is the number of the wireless frames used for sending the synchronous signal sequence in the wireless frame set, and M belongs to {0, 1.. M-1 }.

The synchronization signal sequences in the method may include a Primary Synchronization Signal (PSS) sequence and a Secondary Synchronization Signal (SSS) sequence; at this time, the process of the present invention,

wherein,is a sequence of the PSS, and the PSS sequence,

is SSS sequence. Of course, the synchronization signal sequence may also be a new synchronization signal sequence different from the existing sequence, for example, the time-frequency resource mapping manner is different, and the synchronization signal sequence that is not consistent with the existing standard definition may be regarded as a new synchronization signal sequence.

The sending equipment in the method can be a base station, and the equipment identifier is a cell identifier under the base station; or, the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

In the method, the method for determining the device identifier by the sending device may adopt the following two methods:

firstly, the operation maintenance system allocates equipment identification to each sending equipment, and the equipment identification is determined according to the association relationship between the equipment identification and the synchronization signal sequence and the physical resource used for sending the synchronization signal sequence; then, the distributed equipment identification is sent to the corresponding sending equipment;

secondly, in a distributed mode, namely, an operation maintenance system provides an equipment identification list for each sending device, wherein each equipment identification contained in the equipment identification list is determined according to the association relationship between the equipment identification and the synchronization signal sequence as well as the physical resource used for sending the synchronization signal sequence; then, each transmitting device randomly selects a device identifier from the device identifier list.

Referring to fig. 6, a first device identification method provided in the embodiment of the present invention includes the following steps:

step 60: the receiving equipment detects the synchronous signal sequence sent by the sending equipment and determines the physical resource bearing the detected synchronous signal sequence;

step 61: the receiving device determines the device identifier of the sending device according to the detected synchronization signal sequence, the determined physical resource and the preset association relationship between the device identifier and the synchronization signal sequence and the physical resource used for sending the synchronization signal sequence.

Specifically, the association relationship between the device identifier and the synchronization signal sequence and the physical resource used for transmitting the synchronization signal sequence may be as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index represents a time domain resource location or a frequency domain resource location where the synchronization signal sequence is located, and F represents a functional relationship.

Taking Sync _ res _ index as an example to indicate the radio frame where the Sync signal sequence is located, F (Sync _ seq _ index, Sync _ res _ index) = M = (Sync _ seq _ index) + M;

wherein, M is the number of the wireless frames contained in the preset wireless frame set, M is the number of the detected wireless frame in which the synchronization signal sequence is located in the wireless frame set, and M belongs to {0, 1. M is an integer greater than 1.

The synchronization signal sequence in the method can comprise a PSS sequence and an SSS sequence; at this time, the process of the present invention, $\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

In the method, the sending equipment can be a base station, the equipment identification is a cell identification under the base station, and the receiving equipment is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

Given in FIG. 11Multiplexing existing PSS/SSS sequences, i.e.

And M =4, in which the number of cell IDs resolvable in the network is extended from 504 to 2016 in the prior art. When configuring the cell ID in practical application, the cells in the network may be divided into four groups, and the cells in each group transmit synchronization signals (PSS/SSS) at the same physical resource location, but use different synchronization signal sequences. Therefore, m may be used as the cell ID group number, and the transmitted synchronization signal (PSS/SSS) sequence may be the ID number within one cell group, i.e., the cell ID number may be composed of two levels of numbers.

When the cell ID is jointly determined by the synchronization signal sequence and the physical resource location used for transmitting the synchronization signal sequence, the physical resource location may be identified by the radio frame number in the above example, or may adopt other manners, such as subframe number, OFDM symbol number, frequency domain resource number, and the like. The specific method is similar to the above scheme, and all the methods set a possible physical resource set, and determine the cell ID through the sequence number of the physical resource used for actually sending the synchronization signal sequence in the resource set and the synchronization signal sequence.

It should be noted that, the steps 50 to 52 may be executed first, and then the steps 60 to 61 may be executed, that is, the steps 50 to 52, and the steps 60 to 61 may constitute a complete embodiment.

In order to avoid confusion in device identification, embodiments of the present invention provide a second signaling method and a device identification method.

Referring to fig. 7, a second method for sending a signal according to an embodiment of the present invention includes the following steps:

step 70: the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

step 71: the sending equipment determines the control information to be sent according to the determined equipment identification, the synchronization signal sequence and the preset incidence relation between the equipment identification and the synchronization signal sequence as well as the control information;

step 72: the transmitting device transmits the synchronization signal sequence to be transmitted and the control information to be transmitted.

Specifically, the association relationship between the device identifier and the synchronization signal sequence and the control information may be as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, control _ info is content determined by transmitted control information, and F represents a functional relationship.

For example, F (Sync _ seq _ index, control _ info) = N × (Sync _ seq _ index) + N;

wherein the length of the control information is log₂N bits, N is the control information to be sent, and the value of N has N possibilities. N is an integer power of 2, for example, when N is equal to 4, the control information may take values of 00, 01, 10, 11. Of course, N may not be an integer power of 2, and the length of the control information may be

The number of bits is one,

indicating rounding up.

In step 72, the transmitting device may transmit the control information through a Physical Broadcast Channel (PBCH). Of course, the signaling may also be sent through other physical layer or higher layer control signaling.

In the method, the synchronization signal sequence may include a PSS sequence and an SSS sequence; at this time, the process of the present invention,wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence. Of course, the synchronization signal sequence may also be a new synchronization signal sequence different from the existing sequence, for example, the time-frequency resource mapping manner is different, and the synchronization signal sequence that is not consistent with the existing standard definition may be regarded as a new synchronization signal sequence.

In the method, the sending equipment can be a base station, and the equipment identifier is a cell identifier under the base station; or, the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

In the method, the method for determining the device identifier by the sending device may adopt the following two methods:

firstly, the transmission equipment is centralized, namely, an operation maintenance system distributes equipment identification to each transmission equipment, and the equipment identification is determined according to the association relation between the equipment identification and a synchronous signal sequence and control information; then, the distributed equipment identification is sent to the corresponding sending equipment;

secondly, in a distributed mode, namely, an operation maintenance system provides an equipment identification list for each sending device, wherein each equipment identification contained in the equipment identification list is determined according to the association relation between the equipment identification and the synchronous signal sequence and the control information; then, each transmitting device randomly selects a device identifier from the device identifier list.

Referring to fig. 8, the device identification method provided in the embodiment of the present invention includes the following steps:

step 80: the receiving equipment detects the synchronous signal sequence and the control information sent by the sending equipment;

step 81: and the receiving equipment determines the equipment identifier of the sending equipment according to the detected synchronous signal sequence, the control information and the preset association relationship between the equipment identifier and the synchronous signal sequence and the control information.

Specifically, the association relationship between the device identifier and the synchronization signal sequence and the control information may be as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, control _ info is content determined by detected control information, and F represents a functional relationship.

For example, F (Sync _ seq _ index, control _ info) = N × (Sync _ seq _ index) + N;

wherein the length of the control information is log₂N bits, N is the control information to be sent, and the value of N has N possibilities. N is an integer power of 2, e.g. N equals 4The value of the system information may be 00, 01, 10, 11. Of course, N may not be an integer power of 2, and the length of the control information may be

The number of bits is one,

indicating rounding up.

In step 80, the receiving device may detect the control information sent by the sending device on the PBCH.

In the method, the synchronization signal sequence may include a PSS sequence and an SSS sequence; at this time, the process of the present invention, $\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

In the method, the sending equipment can be a base station, the equipment identification is a cell identification under the base station, and the receiving equipment is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

When N =4, 2bits of control information can be transmitted in the PBCH, and in this example, the number of cell IDs resolvable in the network is extended from 504 to 2016 in the prior art. When configuring the cell ID in practical application, the cells in the network may be divided into four groups, and the cells in each group transmit synchronization signals (PSS/SSS) at the same physical resource location, but use different synchronization signal sequences. Therefore, n may be used as the cell ID group number, and the transmitted synchronization signal (PSS/SSS) sequence may be the ID number within one cell group, that is, the cell ID number may be composed of two levels of numbers.

It should be noted that, the steps 70 to 72 may be executed first, and then the steps 80 to 81 are executed, that is, the steps 80 to 82, and the steps 80 to 81 may constitute a complete embodiment.

In order to avoid confusion during device identification, embodiments of the present invention provide a third signal transmission method and a device identification method.

Referring to fig. 9, a third method for sending a signal according to an embodiment of the present invention includes the following steps:

step 90: the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

step 91: the sending equipment determines the physical resource used for sending the synchronization signal sequence to be sent and the control information to be sent according to the determined equipment identification, the synchronization signal sequence and the preset incidence relation between the equipment identification and the synchronization signal sequence as well as the physical resource and the control information used for sending the synchronization signal sequence to be sent;

and step 92: the sending device sends the synchronization signal sequence to be sent by using the determined physical resource and sends the control information to be sent.

Specifically, the association relationship between the device identifier and the synchronization signal sequence, the physical resource used for transmitting the synchronization signal sequence, and the control information may be as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location used for transmitting the synchronization signal sequence, control _ info is content determined by transmitted control information, and F represents a functional relationship. The time domain resource position can be a wireless frame position, a subframe position, an OFDM symbol position and the like; the frequency domain resource location may be an RB location, etc.

Taking Sync _ res _ index as an example to indicate a radio frame used for transmitting a synchronization signal sequence, F (Sync _ seq _ index, Sync _ res _ index, control _ inf o = N (M (Sync _ seq _ index) + M) + N;

wherein, M is the number of wireless frames contained in a preset wireless frame set, M is the number of the wireless frames used for sending the synchronous signal sequence in the wireless frame set, and M belongs to {0, 1.. M-1 }; the length of the control information is log₂N bits, N is the control information to be sent, and the value of N has N possibilities. N is an integer power of 2, for example, when N is equal to 4, the control information may take values of 00, 01, 10, 11. Of course, N may not be an integer power of 2, and the length of the control information may be

The number of bits is one,

indicating rounding up.

In step 92, the transmitting device may transmit the control information through the PBCH. Of course, the signaling may also be sent through other physical layer or higher layer control signaling.

In the method, a synchronization signal sequence comprises a PSS sequence and an SSS sequence; at this time, the process of the present invention,

wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence. Of course, the synchronization signal sequence may also be a new synchronization signal sequence different from the existing sequence, for example, the time-frequency resource mapping manner is different, and the synchronization signal sequence that is not consistent with the existing standard definition may be regarded as a new synchronization signal sequence.

In the method, the sending equipment can be a base station, and the equipment identifier is a cell identifier under the base station; or, the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

When M =4 and N =2, the number of cell IDs resolvable in the network is extended from 504 to 4032 in the prior art.

In the method, the method for determining the device identifier by the sending device may adopt the following two methods:

firstly, the operation maintenance system allocates equipment identification to each sending equipment, and the equipment identification is determined according to the association relationship between the equipment identification and the synchronous signal sequence, the physical resource used for sending the synchronous signal sequence and the control information; then, the distributed equipment identification is sent to the corresponding sending equipment;

secondly, in a distributed mode, namely, an operation maintenance system provides an equipment identification list for each sending device, wherein each equipment identification contained in the equipment identification list is determined according to the association relation between the equipment identification and the synchronous signal sequence, and between the physical resource used for sending the synchronous signal sequence and the control information; then, each transmitting device randomly selects a device identifier from the device identifier list.

Referring to fig. 10, a third method for identifying a device according to an embodiment of the present invention includes the following steps:

step 100: the receiving equipment detects the synchronous signal sequence and the control information sent by the sending equipment and determines a physical resource bearing the detected synchronous signal sequence;

step 101: the receiving device determines the device identifier of the sending device according to the detected synchronization signal sequence, the control information, the determined physical resource, and the preset association relationship between the device identifier and the synchronization signal sequence, and between the physical resource used for sending the synchronization signal sequence and the control information.

Specifically, the association relationship between the device identifier and the synchronization signal sequence, the physical resource used for transmitting the synchronization signal sequence, and the control information may be as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location where the synchronization signal sequence is located, control _ info is determined by detected control information, and F represents a functional relationship.

For example:

F(Sync_seq_index,sync_res_index,control_info=N*(M*(sync_seq_index)+m)+n;

or,

F(Sync_seq_index,sync_res_index,control_info=M*(N*(sync_seq_index)+n)+m

wherein, M is the number of wireless frames contained in a preset wireless frame set, M is the number of the wireless frame in which the synchronous signal sequence is located in the wireless frame set, and M belongs to {0, 1.. M-1 }; the length of the control information is log₂N bits, N is the control information to be sent, and the value of N has N possibilities. N is an integer power of 2, for example, when N is equal to 4, the control information may take values of 00, 01, 10, 11. Of course, N may not be an integer power of 2, and the length of the control information may be

The number of bits is one,indicating rounding up.

In step 100, the receiving device may detect the control information sent by the sending device on the PBCH.

In the method, the synchronization signal sequence may include a PSS sequence and an SSS sequence; at this time, the process of the present invention, $\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,is SSS sequence.

In the method, the sending equipment can be a base station, the equipment identification is a cell identification under the base station, and the receiving equipment is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

It should be noted that, the steps 90 to 92 may be executed first, and then the steps 100 to 101 may be executed, that is, the steps 90 to 92, and the steps 100 to 101 may constitute a complete embodiment.

Preferably, when the device identifier is a cell identifier, if a legacy cell (i.e., a cell whose cell ID is determined by using the prior art) is deployed on the same frequency of the cell using the present invention, in implementation, the base station may reserve all or part of the cell IDs that are overlapped with the cell ID in the prior art, and only use other available cell IDs.

Referring to fig. 12, an embodiment of the present invention provides a first transmission apparatus, including:

a first determining unit 120, configured to determine a device identifier and a synchronization signal sequence to be transmitted;

a second determining unit 121, configured to determine, according to the device identifier, the synchronization signal sequence, and a preset association relationship between the device identifier and a synchronization signal sequence and a physical resource used for sending the synchronization signal sequence, a physical resource used for sending the synchronization signal sequence to be sent;

a sending unit 122, configured to send the synchronization signal sequence to be sent using the determined physical resource.

Further, the association relationship is as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location used for sending the synchronization signal sequence, and F represents a functional relationship.

Further, F (Sync _ seq _ index, Sync _ res _ index) = M × (Sync _ seq _ index) + M;

wherein, M is the number of the wireless frames contained in the preset wireless frame set, M is the number of the wireless frames used for sending the synchronous signal sequence in the wireless frame set, and M belongs to {0, 1.. M-1 }.

Further, the synchronization signal sequences comprise a Primary Synchronization Signal (PSS) sequence and a Secondary Synchronization Signal (SSS) sequence;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

Further, the sending device is a base station, and the device identifier is a cell identifier under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

Referring to fig. 13, an embodiment of the present invention provides a first receiving apparatus, including:

a detecting unit 130, configured to detect a synchronization signal sequence sent by a sending device, and determine a physical resource carrying the detected synchronization signal sequence;

the identifying unit 131 is configured to determine the device identifier of the sending device according to the synchronization signal sequence, the physical resource, and an association relationship between a preset device identifier and the synchronization signal sequence and a physical resource used for sending the synchronization signal sequence.

Further, the association relationship is as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index});$

wherein,for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index represents a time domain resource location or a frequency domain resource location where the synchronization signal sequence is located, and F represents a functional relationship.

Further, F (Sync _ seq _ index, Sync _ res _ index) = M × (Sync _ seq _ index) + M;

wherein, M is the number of the wireless frames contained in the preset wireless frame set, M is the number of the detected wireless frame in which the synchronization signal sequence is located in the wireless frame set, and M belongs to {0, 1.

Further, the synchronization signal sequences comprise a Primary Synchronization Signal (PSS) sequence and a Secondary Synchronization Signal (SSS) sequence;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

Further, the sending device is a base station, the device identifier is a cell identifier under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

Still referring to fig. 12, an embodiment of the present invention provides a second transmitting apparatus, including:

a first determining unit 120, configured to determine a device identifier and a synchronization signal sequence to be transmitted;

a second determining unit 121, configured to determine, according to the device identifier, the synchronization signal sequence, and an association relationship between a preset device identifier and a synchronization signal sequence and control information, control information to be sent;

a sending unit 122, configured to send the synchronization signal sequence to be sent and the control information to be sent.

Further, the association relationship is as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

sync _ seq _ index is identification information of a synchronization signal sequence,control _ info is content determined by control information to be transmitted, and F represents a functional relationship.

Further, F (Sync _ seq _ index, control _ info) = N × (Sync _ seq _ index) + N;

wherein the length of the control information is log₂N bits, N is the control information to be sent, and the value of N has N possibilities. N is an integer power of 2, for example, when N is equal to 4, the control information may take values of 00, 01, 10, 11. Of course, N may not be an integer power of 2, and the length of the control information may be

The number of bits is one,

indicating rounding up.

Further, the synchronization signal sequences comprise a Primary Synchronization Signal (PSS) sequence and a Secondary Synchronization Signal (SSS) sequence;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

Further, the sending device is a base station, and the device identifier is a cell identifier under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

Further, the sending unit 122 is configured to:

and sending the control information through a physical broadcast channel PBCH.

Still referring to fig. 13, an embodiment of the present invention provides a second receiving apparatus, including:

a detecting unit 130, configured to detect a synchronization signal sequence and control information sent by a sending device;

the identifying unit 131 is configured to determine the device identifier of the sending device according to the synchronization signal sequence, the control information, and a preset association relationship between the device identifier and the synchronization signal sequence and the control information.

Further, the association relationship is as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, control _ info is content determined by detected control information, and F represents a functional relationship.

Further, F (Sync _ seq _ index, control _ info) = N × (Sync _ seq _ index) + N;

wherein the length of the control information is log₂N bits, N is the control information to be sent, and the value of N has N possibilities. N is an integer power of 2, for example, when N is equal to 4, the control information may take values of 00, 01, 10, 11. Of course, N may not be an integer power of 2, and the length of the control information may be

The number of bits is one,

indicating rounding up.

Further, the synchronization signal sequences comprise a Primary Synchronization Signal (PSS) sequence and a Secondary Synchronization Signal (SSS) sequence;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,is SSS sequence.

Further, the sending device is a base station, the device identifier is a cell identifier under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

Further, the detecting unit 130 is configured to:

and detecting the control information sent by the sending equipment on a physical broadcast channel PBCH.

Still referring to fig. 12, an embodiment of the present invention provides a third transmitting apparatus, including:

a first determining unit 120, configured to determine a device identifier and a synchronization signal sequence to be transmitted;

a second determining unit 121, configured to determine, according to the device identifier, the synchronization signal sequence, and an association relationship between a preset device identifier and a synchronization signal sequence, and a physical resource and control information used for sending the synchronization signal sequence, a physical resource used for sending the synchronization signal sequence to be sent, and control information to be sent;

a sending unit 122, configured to send the synchronization signal sequence to be sent using the determined physical resource, and send the control information to be sent.

Further, the association relationship is as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location used for transmitting the synchronization signal sequence, control _ info is content determined by transmitted control information, and F represents a functional relationship.

Further, in the above-mentioned case,

F(Sync_seq_index,sync_res_index,control_info=N*(M*(sync_seq_index)+m)+n;

wherein, M is the number of wireless frames contained in a preset wireless frame set, M is the number of the wireless frames used for sending synchronous signal sequences in the wireless frame set, and M belongs to {0, 1.. M-1 }; the length of the control information is log₂N bits, N is the control information to be sent, and the value of N has N possibilities. N is an integer power of 2, for example, when N is equal to 4, the control information may take values of 00, 01, 10, 11. Of course, N may not be an integer power of 2, and the length of the control information may be

The number of bits is one,

indicating rounding up.

Further, the synchronization signal sequences comprise a Primary Synchronization Signal (PSS) sequence and a Secondary Synchronization Signal (SSS) sequence;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

Further, the sending device is a base station, and the device identifier is a cell identifier under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

Further, the sending unit 122 is configured to:

and sending the control information through a physical broadcast channel PBCH.

Still referring to fig. 13, a third receiving apparatus according to an embodiment of the present invention includes:

a detecting unit 130, configured to detect a synchronization signal sequence and control information sent by a sending device, and determine a physical resource carrying the detected synchronization signal sequence;

the identifying unit 131 is configured to determine the device identifier of the sending device according to the synchronization signal sequence, the control information, the physical resource, and an association relationship between a preset device identifier and the synchronization signal sequence, and between the physical resource used for sending the synchronization signal sequence and the control information.

Further, the association relationship is as follows:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location where the synchronization signal sequence is located, control _ info is determined by detected control information, and F represents a functional relationship.

Further, in the above-mentioned case,

F(Sync_seq_index,sync_res_index,control_info=N*(M*(sync_seq_index)+m)+n;

or

F(Sync_seq_index,sync_res_index,control_info=M*(N*(sync_seq_index)+n)+m

Wherein, M is the number of wireless frames contained in a preset wireless frame set, M is the number of the wireless frame in which a synchronous signal sequence is located in the wireless frame set, and M belongs to {0, 1.. M-1 }; the length of the control information is log₂N bits, N is the control information to be sent, and the value of N has N possibilities. N is an integer power of 2, for example, when N is equal to 4, the control information may take values of 00, 01, 10, 11. Of course, N may not be an integer power of 2, and the length of the control information may be

The number of bits is one,

indicating rounding up.

Further, the synchronization signal sequences comprise a Primary Synchronization Signal (PSS) sequence and a Secondary Synchronization Signal (SSS) sequence;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

Further, the sending device is a base station, the device identifier is a cell identifier under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

Further, the detecting unit 130 is configured to:

and detecting the control information sent by the sending equipment on a physical broadcast channel PBCH.

In conclusion, the beneficial effects of the invention include:

in a first scheme provided in an embodiment of the present invention, after determining a device identifier and a synchronization signal sequence to be transmitted, a transmitting device determines a physical resource used for transmitting the synchronization signal sequence according to a preset association relationship between the device identifier and the synchronization signal sequence and a physical resource used for transmitting the synchronization signal sequence, and transmits the synchronization signal sequence using the determined physical resource, a receiving device detects the synchronization signal sequence transmitted by the transmitting device, determines a physical resource carrying the detected synchronization signal sequence, and determines a device identifier of the transmitting device according to the association relationship. Therefore, in the scheme, the device identifier is determined by the synchronization signal sequence and the physical resource used for sending the synchronization signal sequence, and compared with the prior art in which the device identifier is determined by the synchronization signal sequence only, the number of the available device identifiers in the system is increased, so that the confusion condition during device identification can be avoided to a certain extent.

In the second scheme provided in the embodiment of the present invention, after determining the device identifier and the synchronization signal sequence to be transmitted, the transmitting device determines the control information to be transmitted according to the preset association relationship between the device identifier and the synchronization signal sequence and the control information, and transmits the synchronization signal sequence and the control information, and the receiving device detects the synchronization signal sequence and the control information transmitted by the transmitting device, and determines the device identifier of the transmitting device according to the association relationship. Therefore, in the scheme, the sent synchronization signal sequence and the control information jointly determine the equipment identifier, and compared with the prior art in which the equipment identifier is determined only by the synchronization signal sequence, the scheme expands the number of the available equipment identifiers in the system, thereby avoiding the confusion condition during equipment identification to a certain extent.

In a third scheme provided in the embodiment of the present invention, after determining a device identifier and a synchronization signal sequence to be transmitted, a transmitting device determines a physical resource used for transmitting the synchronization signal sequence and control information to be transmitted according to a preset association relationship between the device identifier and the synchronization signal sequence, and between the physical resource used for transmitting the synchronization signal sequence and the control information, transmits the synchronization signal sequence using the determined physical resource, and transmits the control information, a receiving device detects the synchronization signal sequence and the control information transmitted by the transmitting device, determines a physical resource carrying the detected synchronization signal sequence, and determines a device identifier of the transmitting device according to the association relationship. Therefore, in the scheme, the device identifier is determined by the synchronization signal sequence, the physical resource used for sending the synchronization signal sequence and the control information together, and compared with the prior art in which the device identifier is determined by the synchronization signal sequence only, the number of the available device identifiers in the system is increased, so that the confusion condition during device identification can be avoided to a certain extent.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (68)

1. A method for signaling, the method comprising:

the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

the sending equipment determines the physical resource used for sending the synchronization signal sequence to be sent according to the equipment identification, the synchronization signal sequence and the preset association relationship between the equipment identification and the synchronization signal sequence as well as the physical resource used for sending the synchronization signal sequence;

and the transmitting equipment transmits the synchronization signal sequence to be transmitted by using the determined physical resource.

2. The method of claim 1, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location used for sending the synchronization signal sequence, and F represents a functional relationship.

3. The method of claim 2,

F(Sync_seq_index,sync_res_index)＝M*(sync_seq_index)+m;

wherein, M is the number of the wireless frames contained in the preset wireless frame set, M is the number of the wireless frames used for sending the synchronous signal sequence in the wireless frame set, and M belongs to {0, 1.. M-1 }.

4. The method of claim 2 or 3, wherein the synchronization signal sequences comprise Primary Synchronization Signal (PSS) sequences and Secondary Synchronization Signal (SSS) sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

5. The method of any of claims 1-3, wherein the sending device is a base station, and the device identity is a cell identity under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

6. A method for device identification, the method comprising:

the receiving equipment detects the synchronous signal sequence sent by the sending equipment and determines the physical resource bearing the detected synchronous signal sequence;

and the receiving equipment determines the equipment identifier of the sending equipment according to the synchronization signal sequence, the physical resource and the preset association relationship between the equipment identifier and the synchronization signal sequence and the physical resource used for sending the synchronization signal sequence.

7. The method of claim 6, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index});$

wherein,for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index represents a time domain resource location or a frequency domain resource location where the synchronization signal sequence is located, and F represents a functional relationship.

8. The method of claim 7,

F(Sync_seq_index,sync_res_index)＝M*(sync_seq_index)+m;

wherein, M is the number of the wireless frames contained in the preset wireless frame set, M is the number of the detected wireless frame in which the synchronization signal sequence is located in the wireless frame set, and M belongs to {0, 1.

9. The method of claim 7 or 8, wherein the synchronization signal sequences comprise primary synchronization signal, PSS, and secondary synchronization signal, SSS, sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

10. The method according to any of claims 6-8, wherein the sending device is a base station, the device identifier is a cell identifier under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

11. A method for signaling, the method comprising:

the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

the sending equipment determines the control information to be sent according to the equipment identification, the synchronization signal sequence and the preset association relationship between the equipment identification and the synchronization signal sequence as well as the control information;

and the transmitting equipment transmits the synchronization signal sequence to be transmitted and the control information to be transmitted.

12. The method of claim 11, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, control _ info is content determined by transmitted control information, and F represents a functional relationship.

13. The method of claim 12,

F(Sync_seq_index,control_info)＝N*(sync_seq_index)+n;

wherein the length of the control information is

Bits, n being control information to be transmitted,

indicating rounding up.

14. The method of claim 12 or 13, wherein the synchronization signal sequences comprise primary synchronization signal, PSS, and secondary synchronization signal, SSS, sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

15. The method according to any of claims 11-13, wherein the transmitting device is a base station, and the device identity is a cell identity under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

16. The method of any of claims 11-13, wherein a transmitting device transmits the control information over a physical broadcast channel, PBCH.

17. A method for device identification, the method comprising:

the receiving equipment detects the synchronous signal sequence and the control information sent by the sending equipment;

and the receiving equipment determines the equipment identifier of the sending equipment according to the synchronization signal sequence, the control information and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the control information.

18. The method of claim 17, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, control _ info is content determined by detected control information, and F represents a functional relationship.

19. The method of claim 18,

F(Sync_seq_index,control_info)＝N^*(sync_seq_index)+n;

wherein the length of the control information is

Bits, n being control information to be transmitted,indicating rounding up.

20. The method of claim 18 or 19, wherein the synchronization signal sequences comprise primary synchronization signal, PSS, sequences and secondary synchronization signal, SSS, sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

21. The method according to any of claims 17-19, wherein the sending device is a base station, the device identity is a cell identity under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

22. The method of any of claims 17-19, wherein the receiving device detects the control information transmitted by the transmitting device on a physical broadcast channel, PBCH.

23. A method for signaling, the method comprising:

the method comprises the steps that a sending device determines a device identifier and a synchronization signal sequence needing to be sent;

the sending equipment determines the physical resource used for sending the synchronization signal sequence to be sent and the control information to be sent according to the equipment identification, the synchronization signal sequence and the preset association relationship between the equipment identification and the synchronization signal sequence as well as the physical resource and the control information used for sending the synchronization signal sequence;

and the sending equipment sends the synchronization signal sequence to be sent by using the determined physical resource and sends the control information to be sent.

24. The method of claim 23, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location used for transmitting the synchronization signal sequence, control _ info is content determined by transmitted control information, and F represents a functional relationship.

25. The method of claim 24,

F(Sync_seq_index,sync_res_index,control_info＝N*(M*(sync_seq_index)+m)+n;

wherein, M is the number of wireless frames contained in a preset wireless frame set, M is the number of the wireless frames used for sending synchronous signal sequences in the wireless frame set, and M belongs to {0, 1.. M-1 }; the length of the control information is

Bits, n being control information to be transmitted,

indicating rounding up.

26. The method of claim 24 or 25, wherein the synchronization signal sequences comprise primary synchronization signal, PSS, sequences and secondary synchronization signal, SSS, sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

27. The method according to any of claims 23-25, wherein the transmitting device is a base station and the device identity is a cell identity under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

28. The method of any of claims 23-25, wherein a transmitting device transmits the control information over a physical broadcast channel, PBCH.

29. A method for device identification, the method comprising:

the receiving equipment detects the synchronous signal sequence and the control information sent by the sending equipment and determines a physical resource bearing the detected synchronous signal sequence;

and the receiving equipment determines the equipment identifier of the sending equipment according to the synchronization signal sequence, the control information, the physical resource and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the physical resource and the control information used for sending the synchronization signal sequence.

30. The method of claim 29, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location where the synchronization signal sequence is located, control _ info is determined by detected control information, and F represents a functional relationship.

31. The method of claim 30,

F(Sync_seq_index,sync_res_index,control_info＝N*(M*(sync_seq_index)+m)+n;

or

F(Sync_seq_index,sync_res_index,control_info＝M*(N*(sync_seq_index)+n)+m

Wherein, M is the number of wireless frames contained in a preset wireless frame set, M is the number of the wireless frame in which a synchronous signal sequence is located in the wireless frame set, and M belongs to {0, 1.. M-1 }; the length of the control information is

Bits, n being control information to be transmitted,

indicating rounding up.

32. The method of claim 30 or 31, wherein the synchronization signal sequences comprise primary synchronization signal, PSS, and secondary synchronization signal, SSS, sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

33. The method according to any of claims 29-31, wherein the sending device is a base station, the device identity is a cell identity under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

34. The method of any of claims 29-31, wherein the receiving device detects the control information transmitted by the transmitting device on a physical broadcast channel, PBCH.

35. A transmitting device, characterized in that the device comprises:

the first determining unit is used for determining the equipment identification and the synchronization signal sequence required to be sent;

a second determining unit, configured to determine, according to the device identifier, the synchronization signal sequence, and a preset association relationship between the device identifier and a synchronization signal sequence and a physical resource used for sending the synchronization signal sequence, a physical resource used for sending the synchronization signal sequence to be sent;

and the sending unit is used for sending the synchronization signal sequence needing to be sent by using the determined physical resource.

36. The apparatus of claim 35, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location used for sending the synchronization signal sequence, and F represents a functional relationship.

37. The apparatus of claim 36,

F(Sync_seq_index,sync_res_index)＝M*(sync_seq_index)+m;

wherein, M is the number of the wireless frames contained in the preset wireless frame set, M is the number of the wireless frames used for sending the synchronous signal sequence in the wireless frame set, and M belongs to {0, 1.. M-1 }.

38. The apparatus of claim 36 or 37, wherein the synchronization signal sequences comprise primary synchronization signal, PSS, sequences and secondary synchronization signal, SSS, sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,is SSS sequence.

39. The apparatus according to any of claims 35-37, wherein the transmitting device is a base station, and the device identity is a cell identity under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

40. A receiving apparatus, characterized in that the apparatus comprises:

the device comprises a detection unit, a processing unit and a processing unit, wherein the detection unit is used for detecting a synchronous signal sequence sent by sending equipment and determining a physical resource bearing the detected synchronous signal sequence;

and the identification unit is used for determining the equipment identifier of the sending equipment according to the synchronization signal sequence, the physical resource and the association relationship between the preset equipment identifier and the synchronization signal sequence and the physical resource used for sending the synchronization signal sequence.

41. The apparatus of claim 40, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index});$

wherein,for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index represents a time domain resource location or a frequency domain resource location where the synchronization signal sequence is located, and F represents a functional relationship.

42. The apparatus of claim 41,

F(Sync_seq_index,sync_res_index)＝M*(sync_seq_index)+m;

wherein, M is the number of the wireless frames contained in the preset wireless frame set, M is the number of the detected wireless frame in which the synchronization signal sequence is located in the wireless frame set, and M belongs to {0, 1.

43. The apparatus of claim 41 or 42, wherein the synchronization signal sequences comprise Primary Synchronization Signal (PSS) sequences and Secondary Synchronization Signal (SSS) sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

44. The apparatus according to any of claims 40-42, wherein the sending device is a base station, the device identifier is a cell identifier under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

45. A transmitting device, characterized in that the device comprises:

the first determining unit is used for determining the equipment identification and the synchronization signal sequence required to be sent;

the second determining unit is used for determining the control information to be sent according to the equipment identifier, the synchronization signal sequence and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the control information;

and the sending unit is used for sending the synchronization signal sequence to be sent and the control information to be sent.

46. The apparatus of claim 45, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, control _ info is content determined by transmitted control information, and F represents a functional relationship.

47. The apparatus of claim 46,

F(Sync_seq_index,control_info)＝N*(sync_seq_index)+n;

wherein the length of the control information is

Bits, n being control information to be transmitted,

indicating rounding up.

48. The apparatus of claim 46 or 47, wherein the synchronization signal sequences comprise Primary Synchronization Signal (PSS) sequences and Secondary Synchronization Signal (SSS) sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,

is SSS sequence.

49. The apparatus according to any of claims 45-47, wherein the transmitting device is a base station, and the device identity is a cell identity under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

50. The apparatus according to any of claims 45-47, wherein the transmitting unit is configured to:

and sending the control information through a physical broadcast channel PBCH.

51. A receiving apparatus, characterized in that the apparatus comprises:

the detection unit is used for detecting the synchronization signal sequence and the control information sent by the sending equipment;

and the identification unit is used for determining the equipment identifier of the sending equipment according to the synchronization signal sequence, the control information and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the control information.

52. The apparatus of claim 51, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, control _ info is content determined by detected control information, and F represents a functional relationship.

53. The apparatus of claim 52,

F(Sync_seq_index,control_info)＝N*(sync_seq_index)+n;

wherein the length of the control information is

Bits, n being control information to be transmitted,

indicating rounding up.

54. The apparatus of claim 51 or 52, wherein the synchronization signal sequences comprise Primary Synchronization Signal (PSS) sequences and Secondary Synchronization Signal (SSS) sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,is SSS sequence.

55. The apparatus according to any of claims 51-53, wherein the sending device is a base station, the device identifier is a cell identifier under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

56. The apparatus of any one of claims 51-53, wherein the detection unit is to:

and detecting the control information sent by the sending equipment on a physical broadcast channel PBCH.

57. A transmitting device, characterized in that the device comprises:

the first determining unit is used for determining the equipment identification and the synchronization signal sequence required to be sent;

a second determining unit, configured to determine, according to the device identifier, the synchronization signal sequence, and an association relationship between a preset device identifier and a synchronization signal sequence, and a physical resource and control information used for sending the synchronization signal sequence, a physical resource used for sending the synchronization signal sequence to be sent, and control information to be sent;

and the sending unit is used for sending the synchronization signal sequence needing to be sent by using the determined physical resource and sending the control information needing to be sent.

58. The apparatus of claim 57, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location used for transmitting the synchronization signal sequence, control _ info is content determined by transmitted control information, and F represents a functional relationship.

59. The apparatus of claim 58,

F(Sync_seq_index,sync_res_index,control_info＝N*(M*(sync_seq_index)+m)+n;

wherein, M is the number of wireless frames contained in a preset wireless frame set, M is the number of the wireless frames used for sending synchronous signal sequences in the wireless frame set, and M belongs to {0, 1.. M-1 }; the length of the control information is

Bits, n being control information to be transmitted,

indicating rounding up.

60. The apparatus of claim 58 or 59, wherein the synchronization signal sequences comprise Primary Synchronization Signal (PSS) sequences and Secondary Synchronization Signal (SSS) sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,is a sequence of the PSS, and the PSS sequence,is SSS sequence.

61. The apparatus according to any of claims 57-59, wherein the transmitting device is a base station, and the device identity is a cell identity under the base station; or,

the sending device is a terminal, and the device identifier is a terminal identifier of the terminal.

62. The apparatus according to any of claims 57-59, wherein the transmitting unit is configured to:

and sending the control information through a physical broadcast channel PBCH.

63. A receiving apparatus, characterized in that the apparatus comprises:

the device comprises a detection unit, a processing unit and a processing unit, wherein the detection unit is used for detecting a synchronization signal sequence and control information sent by sending equipment and determining physical resources bearing the detected synchronization signal sequence;

and the identification unit is used for determining the equipment identifier of the sending equipment according to the synchronization signal sequence, the control information, the physical resource and the preset association relationship between the equipment identifier and the synchronization signal sequence as well as the physical resource and the control information used for sending the synchronization signal sequence.

64. The apparatus of claim 63, wherein the correlation relationship is:

$\widehat{N_{\mathrm{ID}}^{\mathrm{cell}}}=F(\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index},\mathrm{sync}\_\mathrm{res}\_\mathrm{index},\mathrm{control}\_\mathrm{info});$

wherein,

for device identification, Sync _ seq _ index is identification information of a synchronization signal sequence, Sync _ res _ index indicates a time domain resource location or a frequency domain resource location where the synchronization signal sequence is located, control _ info is determined by detected control information, and F represents a functional relationship.

65. The apparatus of claim 64,

F(Sync_seq_index,sync_res_index,control_info＝N*(M*(sync_seq_index)+m)+n;

or

F(Sync_seq_index,sync_res_index,control_info＝M*(N*(sync_seq_index)+n)+m

Wherein, M is the number of wireless frames contained in a preset wireless frame set, M is the number of the wireless frame in which a synchronous signal sequence is located in the wireless frame set, and M belongs to {0, 1.. M-1 }; the length of the control information is

Bits, n being control information to be transmitted,

indicating rounding up.

66. The apparatus of claim 64 or 65, wherein the synchronization signal sequences comprise Primary Synchronization Signal (PSS) sequences and Secondary Synchronization Signal (SSS) sequences;

$\mathrm{Sync}\_\mathrm{seq}\_\mathrm{index}=3N_{\mathrm{ID}}^{\left(1\right)}+N_{\mathrm{ID}}^{\left(2\right)};$ wherein,

is a sequence of the PSS, and the PSS sequence,is SSS sequence.

67. The apparatus according to any of claims 63-65, wherein the sending device is a base station, the device identifier is a cell identifier under the base station, and the receiving device is a terminal; or,

the sending device is a terminal, the device identifier is a terminal identifier of the terminal, and the receiving device is another terminal.

68. The apparatus of any one of claims 63-65, wherein the detection unit is to:

and detecting the control information sent by the sending equipment on a physical broadcast channel PBCH.

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