CN106412876A - Transmission method, device, terminal and system - Google Patents
Transmission method, device, terminal and system Download PDFInfo
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- CN106412876A CN106412876A CN201510448575.4A CN201510448575A CN106412876A CN 106412876 A CN106412876 A CN 106412876A CN 201510448575 A CN201510448575 A CN 201510448575A CN 106412876 A CN106412876 A CN 106412876A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
- H04W8/245—Transfer of terminal data from a network towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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Abstract
The present invention discloses a transmission method, device, terminal and system. The method comprises the steps of constructing the frame structure configuration information, wherein the frame structure configuration information, in a time domain, comprises the sub-frame number of each frame, the time slot number of each sub-frame and the cyclic prefix length and the symbol length of each time slot, in a frequency domain, comprises the number of a plurality of sub-bands and the sub-carrier number of each sub-band; the plurality of sub-bands adopt a plurality of transmission time intervals in the time domain, and the transmission time interval of each sub-band is calculated according to the length of each frame and the sub-frame number of each frame; sending the frame structure configuration information to a terminal to enable the terminal to receive the information according to the transmission time intervals. According to the present invention, the requirements for the transmission characteristics, such as the communication time delay, etc., of different types of businesses can be adapted, and the adaption capability of a mobile communication system to the diversified transmission demands is improved.
Description
Technical field
The invention belongs to moving communicating field, particularly to a kind of transmission method, equipment, terminal
And system.
Background technology
With the development of mobile Internet and Internet of Things, various Novel movable data services are constantly gushed
Existing, there is larger difference in the operation quality requirement of different business, such as vehicle brake safe, in real time
The business such as remotely control require high to communication delay but data volume is relatively small, and internet
The business such as information service, online HD video have certain tolerance to time delay, but will to system
Ask and possess high-throughput.The adaptability that diversified communication requirement is transmitted to mobile communications network
Propose huge challenge.
Fourth generation mobile communication systems LTE-A (Long Term Evolution Advanced,
Long Term Evolution upgrade version) adopt OFDMA (Orthogonal Frequency Division
Multiple Access, orthogonal frequency division multiplexing multiple access) as the down physical layer transmission frame of oneself
Structure, broad-band channel is divided into multiple orthogonal narrowband subchannels, and down link signal segmentation is put
Enter multiple little time frequency unit transmission, because narrowband subchannels are non-frequency-selective and subchannel
Between need not protect bandwidth and require and substantially increase frequency spectrum it is thus possible to adapt to very well broadband transmission
Utilization rate.
Fig. 1 is the time domain schematic diagram of LTE-FDD frame structure (extended cyclic prefix).
Fig. 2 is the frequency domain schematic diagram of LTE-FDD frame structure (extended cyclic prefix).
Concrete structure is:The radio frames of 10ms are taken on time domain, each frame is divided into 10
The subframe of 1ms, each subframe is divided into the time slot of 2 0.5ms again, and each time slot is by 6
Or 7 OFDM symbol compositions (extended cyclic prefix configuration or conventional cyclic prefix configuration);
Multiple subcarriers are divided on frequency domain, a width of 15KHz of each sub-carrier bin.Data cell RB
(Resources Block) continues time slot by 1 in 12 subcarriers on frequency domain and time domain and forms.
TTI (Transmission Time Interval, Transmission Time Interval) is 1ms.
GSM frame structure has considerable influence to transmission performance, and some low time delay business will
Ask shorter subframe designs, Transmission Time Interval TTI as little as 0.1ms, but too low TTI is again
It is likely to result in the segmentation of big data bag business, impact continuously transmits performance.LTE-A frame structure
Design is relatively fixed, and needs the more flexible frame structure of design, full to improve GSM
The ability of foot variation transmission demand.
Content of the invention
The present invention is to solve constant transmissions time interval cannot meet diversified transmission demand
Problem.
According to an aspect of the present invention, a kind of transmission method is proposed, including:
Build frame structure configuration information, described frame structure configuration information includes every frame in time domain
Number of sub frames, the timeslot number of each subframe, the circulating prefix-length of each time slot and symbol lengths,
The sub-carrier number of multiple sub-band number, each subband is included on frequency domain, the plurality of subband when
Multiple Transmission Time Intervals are taken on domain, the Transmission Time Interval of each subband described is according to every frame
Frame length and its included number of sub frames are calculated;
Described frame structure configuration information is sent to terminal, so that described terminal is according to described transmission
Time interval receive information.
Further, the plurality of subband includes the first subband, the second subband and the 3rd subband,
Described first subband is ultra low transmission time interval frame domain, and the second subband is low transmission time interval
Frame domain, the 3rd subband is spaced frame domain for normal transmission time.
Further, the frame length of described first subband frame domain is 10ms, and every frame is by 120 83.34
The subframe composition of μ s, each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1
The individual OFDM symbol with Cyclic Prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
According to an aspect of the present invention, a kind of transmission method is proposed, including:
Terminal receives frame structure configuration information, and described frame structure configuration information includes often in time domain
The number of sub frames of frame, the timeslot number of each subframe, the circulating prefix-length of each time slot and symbol are long
Degree, includes the sub-carrier number of multiple sub-band number, each subband, the plurality of subband on frequency domain
Multiple Transmission Time Intervals are taken on time domain, the Transmission Time Interval of each subband described according to
Every frame frame length and its included number of sub frames are calculated;
Described terminal is according to described Transmission Time Interval receive information.
Further, the plurality of subband includes the first subband, the second subband and the 3rd subband,
Described first subband is ultra low transmission time interval frame domain, and the second subband is low transmission time interval
Frame domain, the 3rd subband is spaced frame domain for normal transmission time.
Further, the frame length of described first subband frame domain is 10ms, and every frame is by 120 83.34
The subframe composition of μ s, each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1
The individual OFDM symbol with Cyclic Prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
Further, described terminal determines the physics of respective sub-bands according to described frame structure configuration information
The running time-frequency resource configuration information of control channel and physical data channel.
According to an aspect of the present invention, a kind of transmission equipment is proposed, including:
Configuration information construction unit, for building frame structure configuration information, described frame structure configuration
Information includes the number of sub frames of every frame, the timeslot number of each subframe, the following of each time slot in time domain
Ring prefix length and symbol lengths, include the son load of multiple sub-band number, each subband on frequency domain
Wave number, the plurality of subband takes multiple Transmission Time Intervals, each subband described in time domain
Transmission Time Interval be calculated according to every frame frame length and its included number of sub frames;
Configuration information transmitting element, for described frame structure configuration information is sent to terminal, with
Make described terminal according to described Transmission Time Interval receive information.
Further, the plurality of subband includes the first subband, the second subband and the 3rd subband,
Described first subband is ultra low transmission time interval frame domain, and the second subband is low transmission time interval
Frame domain, the 3rd subband is spaced frame domain for normal transmission time.
Further, the frame length of described first subband frame domain is 10ms, and every frame is by 120 83.34
The subframe composition of μ s, each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1
The individual OFDM symbol with Cyclic Prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
According to an aspect of the present invention, a kind of transmission terminal is proposed, including:
Configuration information receiving unit, for receiving frame structure configuration information, described frame structure configuration
Information includes the number of sub frames of every frame, the timeslot number of each subframe, the following of each time slot in time domain
Ring prefix length and symbol lengths, include the son load of multiple sub-band number, each subband on frequency domain
Wave number, the plurality of subband takes multiple Transmission Time Intervals, each subband described in time domain
Transmission Time Interval be calculated according to every frame frame length and its included number of sub frames;
Information receiving unit, for according to described Transmission Time Interval receive information.
Further, the plurality of subband includes the first subband, the second subband and the 3rd subband,
Described first subband is ultra low transmission time interval frame domain, and the second subband is low transmission time interval
Frame domain, the 3rd subband is spaced frame domain for normal transmission time.
Further, the frame length of described first subband frame domain is 10ms, and every frame is by 120 83.34
The subframe composition of μ s, each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1
The individual OFDM symbol with Cyclic Prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
Further, described configuration information receiving unit determines phase according to described frame structure configuration information
Answer the physical control channel of subband and the running time-frequency resource configuration information of physical data channel.
According to an aspect of the present invention, a kind of Transmission system is proposed, including:Any of the above-described described biography
Transfer device and any of the above-described described terminal.
In the present invention, multiple subbands take multiple Transmission Time Intervals in time domain, by dividing
The frame region of different frequency sub-bands, is adapted to different kinds of business and transmits spy to communication delay etc.
Property requirement, improve the adaptability to diversified transmission demand for the GSM.
By the detailed description to the exemplary embodiment of the present invention referring to the drawings, the present invention
Further feature and its advantage will be made apparent from.
Brief description
Constitute the Description of Drawings of the part embodiments of the invention of specification, and together with saying
Bright book is used for explaining the principle of the present invention together.
Referring to the drawings, according to detailed description below, the present invention can be more clearly understood from,
Wherein:
Fig. 1 is the time domain schematic diagram of LTE-FDD frame structure (extended cyclic prefix);
Fig. 2 is the frequency domain schematic diagram of LTE-FDD frame structure (extended cyclic prefix);
Fig. 3 is a kind of structural representation of transmission equipment;
Fig. 4 is the time-frequency domain schematic diagram of the frame structure of the present invention;
Fig. 5 is the time-frequency domain schematic diagram of the frame structure of the present invention;
Fig. 6 is the physical channel structure general illustration of the present invention;
Fig. 7 is the resource distribution schematic diagram of ultra low transmission time interval frame domain physical control channel;
Fig. 8 is the resource distribution schematic diagram of low transmission time interval frame domain physical control channel;
Fig. 9 is the resource distribution schematic diagram of normal transmission time interval frame domain physical control channel;
Figure 10 is a kind of structural representation of transmission terminal;
Figure 11 is a kind of schematic flow sheet of transmission method;
Figure 12 is a kind of another schematic flow sheet of transmission method.
Specific embodiment
To describe the various exemplary embodiments of the present invention now with reference to accompanying drawing in detail.It should be noted that
Arrive:Unless specifically stated otherwise, the part otherwise illustrating in these embodiments and the phase of step
Arrangement, numerical expression and numerical value are not limited the scope of the invention.
Simultaneously it should be appreciated that for the ease of description, the chi of the various pieces shown in accompanying drawing
Very little is not to draw according to actual proportionate relationship.
Description only actually at least one exemplary embodiment is illustrative below, certainly
Not as any restriction to the present invention and its application or use.
May not make in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Thin discussion, but in the appropriate case, described technology, method and apparatus should be considered to authorize to be said
A part for bright book.
In all examples with discussion shown here, any occurrence should be construed as merely
Exemplary, not as restriction.Therefore, the other examples of exemplary embodiment can have
There are different values.
It should be noted that:Similar label and letter represent similar terms in following accompanying drawing, therefore,
Once being defined in a certain Xiang Yi accompanying drawing, then do not need it is carried out in subsequent accompanying drawing
Discussed further.
For making the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with tool
Body embodiment, and referring to the drawings, the present invention is described in more detail.
Fig. 3 is a kind of structural representation of transmission equipment.This transmission equipment includes:Configuration information
Construction unit 310 and configuration information transmitting element 320.Wherein:
Configuration information construction unit 310, for building frame structure configuration information, described frame structure
Configuration information includes the number of sub frames of every frame, the timeslot number of each subframe, each time slot in time domain
Circulating prefix-length and symbol lengths, multiple sub-band number, each subband are included on frequency domain
Sub-carrier number, the plurality of subband takes multiple Transmission Time Intervals in time domain, described each
The Transmission Time Interval of subband is calculated according to every frame frame length and its included number of sub frames;
Configuration information transmitting element 320, for described frame structure configuration information is sent to terminal,
So that described terminal is according to described Transmission Time Interval receive information.
It is other that frame structure configuration information defines (in addition to Physical Broadcast Channel, synchronizing channel)
How running time-frequency resource distributes, after terminal receives frame structure configuration information, because frame structure
Configuration information provides the length (i.e. the position of time) of frame and subframe, number of subcarriers (i.e.
The position of frequency) related information, terminal is also known that this in which and tool specific time
Reception system is gone to issue the other information of this terminal (as business information, control letter at the frequency of body
Breath).
Time slot is generally used for up-downgoing switching in tdd systems and is easy to frequency hopping (raising
Antijamming capability), symbol is the time sampling unit of OFDM coded system, symbol lengths with
The sample frequency of OFDM is related.Symbol is the carrying unit of specifying information.Internet need by
These information notify terminal, and terminal will receive at specified subframe, time slot according to these information
It is sent to the message (symbol) after the modulating-coding of this terminal, and symbol is decoded obtain
Specifying information.
In this embodiment, multiple subbands take multiple Transmission Time Intervals in time domain, pass through
Divide the frame region of different frequency sub-bands, be adapted to different kinds of business and communication delay etc. is passed
The requirement of defeated characteristic, improves the adaptability to diversified transmission demand for the GSM.
Fig. 4 is the time-frequency domain schematic diagram of the frame structure of the present invention.Multiple subbands are divided on frequency domain,
Each subband comprises the subcarrier of multiple fixed-bandwidths.The plurality of subband include the first subband,
Second subband and the 3rd subband, described first subband is ultra low transmission time interval frame domain, the
Two subbands are low transmission time interval frame domain, and the 3rd subband is spaced frame domain for normal transmission time.
Fig. 5 is the time-frequency domain schematic diagram of the frame structure of the present invention.Each frame domain to frame length, subframe,
Time slot, symbol, Transmission Time Interval and Resource Block are defined, and Fig. 5 gives each frame domain
Time-frequency structure an embodiment, specific as follows:
The structure of ultra low transmission time interval frame domain:The frame length of this frame domain be 10ms, every frame by
The subframe composition of 120 83.34 μ s, each subframe comprises the time slot of 1 83.34 μ s, often
Individual time slot comprises 1 OFDM symbol with Cyclic Prefix, and each circulating prefix-length is 16.67
μ s, each OFDM symbol length is 66.67 μ s.Minimum transfer time interval is 83.34 μ
s.Each subcarrier fixed-bandwidth is 15kHz, and each Resource Block is by 12 subcarriers on frequency domain
With 1 time slot composition in time domain.Minimum 72 subcarriers of frequency domain width of this frame domain, are located at
The center frequency-band of system.
The structure of low transmission time interval frame domain:The frame length of this frame domain is 10ms, and every frame is by 60
The subframe composition of individual 166.67 μ s, each subframe comprises the time slot of 2 83.34 μ s, each
Time slot comprises 1 OFDM symbol with Cyclic Prefix, and each circulating prefix-length is 16.67
μ s, each OFDM symbol length is 66.67 μ s.Minimum transfer time interval is 166.67
μs.Each subcarrier fixed-bandwidth is 15kHz, and each Resource Block is carried by 12 sons on frequency domain
Ripple and 1 time slot composition in time domain.Minimum 72 subcarriers of frequency domain width of this frame domain.?
When system configuration has ultra low transmission time interval frame domain, this frame domain is divided into two pieces to have on frequency domain
The subband of same sub-carrier number, is located at the adjacent both sides of ultra low transmission time interval frame domain respectively.
When system is not configured with ultra low transmission time interval frame domain, this frame domain is located at system on frequency domain
Center frequency-band.
Normal transmission time is spaced the structure of frame domain:The frame length of this frame domain be 10ms, every frame by
The subframe composition of 10 1ms, each subframe comprises the time slot of 2 0.5ms, each time slot bag
Containing 6 OFDM symbol with Cyclic Prefix.Each circulating prefix-length is 16.67 μ s, often
Individual OFDM symbol length is 66.67 μ s.Minimum transfer time interval is 1ms.Every height carries
Ripple fixed-bandwidth is 15kHz, and each Resource Block is by 12 subcarriers on frequency domain and time domain 1
Individual time slot composition.Minimum 72 subcarriers of frequency domain width of this frame domain.Have super in system configuration
When low transmission time interval frame domain and low transmission time interval frame domain, this frame domain is divided on frequency domain
Two pieces of subbands with same sub-carrier number, are located at low transmission time interval frame domain two respectively
The adjacent both sides of subband.There are ultra low transmission time interval frame domain or low transmission time in system configuration
During the frame domain of interval, this frame domain is divided into two pieces of subbands with same sub-carrier number on frequency domain,
It is located at ultra low transmission time interval frame domain or the phase of low transmission two subbands of time interval frame domain respectively
Adjacent both sides.It is not configured with ultra low transmission time interval frame domain and low transmission time interval frame in system
During domain, then this frame domain is located at the center frequency-band of system on frequency domain.Can be mutually simultaneous with existing structure
Hold.
Fig. 6 is the physical channel structure general illustration of the present invention.Based on frame structure of the present invention
Time-frequency designs, and gives an embodiment of concrete physical channel, this physical channel design includes
Synchronizing signal, Physical Broadcast Channel, physical control channel and physical data channel.Terminal root
Physic channel information can be obtained according to physical channel design in specified running time-frequency resource.Specific as follows:
Master sync signal adopts Zadoff-Chu (ZC) sequence, and auxiliary synchronous signals adopt M sequence
Row.
In time domain, master sync signal is located at the 6th symbol of each radio frames and the 66th symbol
Number, auxiliary synchronous signals are located at the 5th symbol and the 65th symbol of each radio frames, and terminal is logical
Cross detection master sync signal and can obtain boundary of time slot timing with auxiliary synchronous signals.
On frequency domain, master sync signal is located at 6, system bandwidth center Resource Block with auxiliary synchronous signals
Interior transmission it is ensured that terminal in the case of there is no bandwidth allocation prior information with system synchronization.
Physical Broadcast Channel provides frame structure configuration information.Frame structure is configured to 4bit, and one specific
Frame structure configuration information embodiment see table.
Other information that frame structure configuration information and Physical Broadcast Channel provide (include system bandwidth,
System Frame Number etc.) together encoded with rate-matched after, be divided into 4 equal-sized independences
Self-demarking code unit.46 resources that band center is located at independent from decoding unit on frequency domain
Block, is located at the 7th~10 symbol of each radio frames of continuous 4 radio frames in time domain respectively.
Physical control channel is included physical downlink control channel and is indicated with physical mixed ARQ
Channel.Wherein, physical downlink control channel is used for what instruction terminal downstream transmission used
Time And Frequency resource, and terminal power control adjustment order.Physical mixed ARQ indicates
Channel is used for indicating whether system is properly received the transmission of terminal.The physical control letter of different frame domain
The physical resource that respective frame domain is responsible in road controls.The running time-frequency resource of physical control channel is divided into money
Source element group, each resource element groups includes 4 continuous resource elements (by a subcarrier
With a symbol composition).
In ultra low transmission time interval frame domain, physical control channel is located at each time slot in time domain,
Take 2, center Resource Block on frequency domain.Wherein, according to the instruction needs that terminal uplink is transmitted,
Physical mixed ARQ instruction channel group, thing can be formed by multiple physical mixed ARQ instruction channel
Reason mixing ARQ indicates that channel group takies 3 resource element groups of physical control channel, physics
Downlink control channel takies the remaining resource element groups of physical control channel.With reference to Fig. 7,
Provide a specific embodiment, in this embodiment, the physics of ultra low transmission time interval frame domain
Mixing ARQ instruction 3 resource element groups of channel occupancy, each resource element groups includes continuous 4
Individual resource element (being made up of a subcarrier and a symbol).Resource element groups are discontinuous
It is distributed on the Resource Block of physical control channel, to obtain frequency diversity gain;Physical down chain
Road control channel takies the remaining resource element groups of physical control channel.
In low transmission time interval frame domain, physical control channel is located at the of each subframe in time domain
One time slot, takies whole bandwidth on this frame domain frequency domain.Wherein according to terminal uplink transmission
Instruction needs, and can form the instruction of physical mixed ARQ by multiple physical mixed ARQ instruction channel
Channel group, low transmission time interval frame domain can support that one or more physical mixed ARQ indicate
Channel group, each physical mixed ARQ indicates that channel group takies 3 moneys of physical control channel
Source element group, physical downlink control channel takies the remaining resource element of physical control channel
Group.With reference to Fig. 8, provide a specific embodiment, in this embodiment, between the low transmission time
Have 2 physical mixed ARQ instruction channel group every frame domain, each physical mixed ARQ indicates
Channel group takies 3 resource element groups, and each resource element groups includes continuous 4 resource elements
(being made up of a subcarrier and a symbol).Resource element groups are discontinuous to be distributed in physics
On the Resource Block of control channel, to obtain frequency diversity gain;Physical downlink control channel
Take the remaining resource element groups of physical control channel.
It is spaced frame domain in normal transmission time, physical control channel is located at each subframe in time domain
Front 3 symbols of first time slot, take whole bandwidth on this frame domain frequency domain.Wherein according to right
The instruction of terminal uplink transmission needs, and can indicate channel constituent by multiple physical mixed ARQ
Reason mixing ARQ instruction channel group, low transmission time interval frame domain can support one or more things
Reason mixing ARQ instruction channel group, each physical mixed ARQ instruction channel group takies physics control
3 resource element groups of channel processed, physical downlink control channel takies physical control channel
Surplus resources element group.With reference to Fig. 9, provide a specific embodiment, in this embodiment,
Normal transmission time interval frame domain has 3 physical mixed ARQ instruction channel group, each thing
Reason mixing ARQ instruction channel group takies 3 resource element groups, and each resource element groups includes
Continuous 4 resource elements (being made up of a subcarrier and a symbol).Same Physical mixes
Close ARQ and indicate that 3 resource element groups of channel group are located at the of each subframe in time domain respectively
Front 3 symbols of one time slot, different physical mixed ARQ indicate the resource element of channel group
On the discontinuous Resource Block being distributed in physical control channel of group, to obtain frequency diversity gain;Thing
Reason downlink control channel takies the remaining resource element groups of physical control channel.
Physical data channel is located at other Resource Block in addition to above-mentioned channel.
It is 1ms's that the present invention is wirelessly transferred fixing minimum transfer time interval for existing LTE
Defect, it is possible to achieve simultaneously provide the Radio Link of multiple Transmission Time Intervals to pass under same system
Defeated.System notifies the configuration of terminal frame structure by Physical Broadcast Channel, and according to business to be sent
Requirement to communication characteristics such as time delays, flexibly selects suitable running time-frequency resource to be transmitted, improves
GSM meets the ability of diversified transmission demand.This invention consider in design with
The compatibility of existing LTE physical channel is it is ensured that system smooth evolution and cross-system performance of handoffs.
Setting synchronizing signal and Physical Broadcast Channel at system bandwidth centre frequency is it is ensured that terminal
With system synchronization under unknown system bandwidth with frame structure configuring condition, and acquisition frame structure is joined
Confidence ceases.In the setting of ultra low transmission time interval frame domain with physical data channel with time slot and occupancy
The physical control channel of fractional bandwidth;In the setting of low transmission time interval frame domain and physical data letter
Road different time-gap and the physical control channel of occupancy full bandwidth;It is spaced frame domain in normal transmission time
Setting and physical data channel with time slot and take full bandwidth, the physical control channel of partial symbols,
Ensure that physical control channel information meets the requirement of the Data Transmission Controlling of different Transmission Time Intervals.
Figure 10 is a kind of structural representation of transmission terminal.This transmission terminal includes:
Configuration information receiving unit 1001, for receiving frame structure configuration information, described frame structure
Configuration information includes the number of sub frames of every frame, the timeslot number of each subframe, each time slot in time domain
Circulating prefix-length and symbol lengths, multiple sub-band number, each subband are included on frequency domain
Sub-carrier number, the plurality of subband takes multiple Transmission Time Intervals in time domain, described each
The Transmission Time Interval of subband is calculated according to every frame frame length and its included number of sub frames;
Information receiving unit 1002, for according to described Transmission Time Interval receive information.
In this embodiment, multiple subbands take multiple Transmission Time Intervals in time domain, pass through
Divide the frame region of different frequency sub-bands, be adapted to different kinds of business and communication delay etc. is passed
The requirement of defeated characteristic, improves the adaptability to diversified transmission demand for the GSM.
In an embodiment of the present invention, the plurality of subband include the first subband, the second subband with
And the 3rd subband, described first subband is ultra low transmission time interval frame domain, and the second subband is low
Transmission Time Interval frame domain, the 3rd subband is spaced frame domain for normal transmission time.
Wherein, the frame length of described first subband frame domain is 10ms, and every frame is by 120 83.34 μ
The subframe composition of s, each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1
The individual OFDM symbol with Cyclic Prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
In an embodiment of the present invention, described configuration information receiving unit is joined according to described frame structure
Confidence breath determines that the physical control channel of respective sub-bands and the running time-frequency resource of physical data channel are joined
Confidence ceases.
The present invention also proposes a kind of Transmission system, and this Transmission system includes:Any of the above-described described biography
Transfer device and any of the above-described described terminal.
Figure 11 is a kind of schematic flow sheet of transmission method.The method comprises the following steps:
In step 1101, build frame structure configuration information, described frame structure configuration information is in time domain
The upper number of sub frames including every frame, the timeslot number of each subframe, the circulating prefix-length of each time slot
And symbol lengths, the sub-carrier number of multiple sub-band number, each subband is included on frequency domain, described
Multiple subbands take multiple Transmission Time Intervals, the transmission time of each subband described in time domain
Interval is calculated according to every frame frame length and its included number of sub frames;
In step 1102, described frame structure configuration information is sent to terminal, so that described terminal
According to described Transmission Time Interval receive information.
In this embodiment, multiple subbands take multiple Transmission Time Intervals in time domain, pass through
Divide the frame region of different frequency sub-bands, be adapted to different kinds of business and communication delay etc. is passed
The requirement of defeated characteristic, improves the adaptability to diversified transmission demand for the GSM.
In an embodiment of the present invention, the plurality of subband include the first subband, the second subband with
And the 3rd subband, described first subband is ultra low transmission time interval frame domain, and the second subband is low
Transmission Time Interval frame domain, the 3rd subband is spaced frame domain for normal transmission time.
Wherein, the frame length of described first subband frame domain is 10ms, and every frame is by 120 83.34 μ
The subframe composition of s, each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1
The individual OFDM symbol with Cyclic Prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
Figure 12 is a kind of another schematic flow sheet of transmission method.The method comprises the following steps:
In step 1201, terminal receives frame structure configuration information, and described frame structure configuration information exists
The number of sub frames of every frame, the timeslot number of each subframe, the Cyclic Prefix of each time slot are included on time domain
Length and symbol lengths, include the sub-carrier number of multiple sub-band number, each subband on frequency domain,
The plurality of subband takes multiple Transmission Time Intervals, the transmission of each subband described in time domain
Time interval is calculated according to every frame frame length and its included number of sub frames;
In step 1202, described terminal is according to described Transmission Time Interval receive information.
In this embodiment, multiple subbands take multiple Transmission Time Intervals in time domain, pass through
Divide the frame region of different frequency sub-bands, be adapted to different kinds of business and communication delay etc. is passed
The requirement of defeated characteristic, improves the adaptability to diversified transmission demand for the GSM.
In an embodiment of the present invention, the plurality of subband include the first subband, the second subband with
And the 3rd subband, described first subband is ultra low transmission time interval frame domain, and the second subband is low
Transmission Time Interval frame domain, the 3rd subband is spaced frame domain for normal transmission time.
Wherein, the frame length of described first subband frame domain is 10ms, and every frame is by 120 83.34 μ
The subframe composition of s, each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1
The individual OFDM symbol with Cyclic Prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
In an embodiment of the present invention, described terminal determines phase according to described frame structure configuration information
Answer the physical control channel of subband and the running time-frequency resource configuration information of physical data channel.
So far, the present invention is described in detail.In order to avoid covering the design of the present invention, do not have
It is described some details known in the field.Those skilled in the art as described above,
Completely it can be appreciated how implementing technical scheme disclosed herein.
The method of the present invention and device may be achieved in many ways.For example, can pass through soft
Part, hardware, firmware or software, hardware, the side to realize the present invention for any combinations of firmware
Method and device.Said sequence for the step of methods described merely to illustrating, this
The step of the method for invention is not limited to order described in detail above, unless otherwise especially
Explanation.Additionally, in certain embodiments, also the present invention can be embodied as record in recording medium
In program, these programs include the machine readable instructions for realizing the method according to the invention.
Thus, the present invention also covers storage and is situated between for the record executing the program of the method according to the invention
Matter.
Although being described in detail to some specific embodiments of the present invention by example,
But it should be appreciated by those skilled in the art, above example merely to illustrating, and not
It is to limit the scope of the present invention.It should be appreciated by those skilled in the art, can without departing from
In the case of scope and spirit of the present invention, above example is modified.The model of the present invention
Enclose and be defined by the following claims.
Claims (15)
1. a kind of transmission method, including:
Build frame structure configuration information, described frame structure configuration information includes every frame in time domain
Number of sub frames, the timeslot number of each subframe, the circulating prefix-length of each time slot and symbol lengths,
The sub-carrier number of multiple sub-band number, each subband is included on frequency domain, the plurality of subband when
Multiple Transmission Time Intervals are taken on domain, the Transmission Time Interval of each subband described is according to every frame
Frame length and its included number of sub frames are calculated;
Described frame structure configuration information is sent to terminal, so that described terminal is according to described transmission
Time interval receive information.
2. transmission method according to claim 1, including:
The plurality of subband includes the first subband, the second subband and the 3rd subband, and described first
Subband is ultra low transmission time interval frame domain, and the second subband is low transmission time interval frame domain, the
Three subbands are spaced frame domain for normal transmission time.
3. transmission method according to claim 2, including:
The frame length of described first subband frame domain is 10ms, and every frame is by the son of 120 83.34 μ s
Frame forms, and each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
4. a kind of transmission method, including:
Terminal receives frame structure configuration information, and described frame structure configuration information includes often in time domain
The number of sub frames of frame, the timeslot number of each subframe, the circulating prefix-length of each time slot and symbol are long
Degree, includes the sub-carrier number of multiple sub-band number, each subband, the plurality of subband on frequency domain
Multiple Transmission Time Intervals are taken on time domain, the Transmission Time Interval of each subband described according to
Every frame frame length and its included number of sub frames are calculated;
Described terminal is according to described Transmission Time Interval receive information.
5. transmission method according to claim 4, including:
The plurality of subband includes the first subband, the second subband and the 3rd subband, and described first
Subband is ultra low transmission time interval frame domain, and the second subband is low transmission time interval frame domain, the
Three subbands are spaced frame domain for normal transmission time.
6. transmission method according to claim 5, including:
The frame length of described first subband frame domain is 10ms, and every frame is by the son of 120 83.34 μ s
Frame forms, and each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
7. according to the arbitrary described transmission method of claim 4 to 6, including:
Described terminal determines the physical control letter of respective sub-bands according to described frame structure configuration information
The running time-frequency resource configuration information of road and physical data channel.
8. a kind of transmission equipment, including:
Configuration information construction unit, for building frame structure configuration information, described frame structure configuration
Information includes the number of sub frames of every frame, the timeslot number of each subframe, the following of each time slot in time domain
Ring prefix length and symbol lengths, include the son load of multiple sub-band number, each subband on frequency domain
Wave number, the plurality of subband takes multiple Transmission Time Intervals, each subband described in time domain
Transmission Time Interval be calculated according to every frame frame length and its included number of sub frames;
Configuration information transmitting element, for described frame structure configuration information is sent to terminal, with
Make described terminal according to described Transmission Time Interval receive information.
9. transmission equipment according to claim 8, including:
The plurality of subband includes the first subband, the second subband and the 3rd subband, and described first
Subband is ultra low transmission time interval frame domain, and the second subband is low transmission time interval frame domain, the
Three subbands are spaced frame domain for normal transmission time.
10. transmission equipment according to claim 9, including:
The frame length of described first subband frame domain is 10ms, and every frame is by the son of 120 83.34 μ s
Frame forms, and each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
A kind of 11. transmission terminals, including:
Configuration information receiving unit, for receiving frame structure configuration information, described frame structure configuration
Information includes the number of sub frames of every frame, the timeslot number of each subframe, the following of each time slot in time domain
Ring prefix length and symbol lengths, include the son load of multiple sub-band number, each subband on frequency domain
Wave number, the plurality of subband takes multiple Transmission Time Intervals, each subband described in time domain
Transmission Time Interval be calculated according to every frame frame length and its included number of sub frames;
Information receiving unit, for according to described Transmission Time Interval receive information.
12. according to claim 11 transmission terminal, including:
The plurality of subband includes the first subband, the second subband and the 3rd subband, and described first
Subband is ultra low transmission time interval frame domain, and the second subband is low transmission time interval frame domain, the
Three subbands are spaced frame domain for normal transmission time.
13. according to claim 12 transmission terminal, including:
The frame length of described first subband frame domain is 10ms, and every frame is by the son of 120 83.34 μ s
Frame forms, and each subframe comprises the time slot of 1 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 83.34 μ s;
The frame length of described second subband frame domain is 10ms, and every frame is by the son of 60 166.67 μ s
Frame forms, and each subframe comprises the time slot of 2 83.34 μ s, and each time slot comprises 1 band and follows
The OFDM symbol of ring prefix, minimum transfer time interval is 166.67 μ s.
14. according to the arbitrary described transmission terminal of claim 11 to 13, including:
Described configuration information receiving unit determines respective sub-bands according to described frame structure configuration information
Physical control channel and physical data channel running time-frequency resource configuration information.
A kind of 15. Transmission systems, including:The arbitrary described transmission equipment of claim 8 to 10
And the arbitrary described terminal of claim 11 to 14.
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