CN109041226B

CN109041226B - Method and device in user equipment and base station used for narrow-band communication

Info

Publication number: CN109041226B
Application number: CN201710435451.1A
Authority: CN
Inventors: 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2017-06-11
Filing date: 2017-06-11
Publication date: 2021-09-24
Anticipated expiration: 2037-06-11
Also published as: CN109041226A

Abstract

The application discloses a method and a device in a user equipment and a base station used for narrow-band communication. The user equipment firstly receives first information; secondly, respectively receiving Q1 first-type wireless signals in Q1 first-type time slots; wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation coding state, a duration of each of the Q1 first type time slots is equal to the first length of time, the Q1 is a positive integer, the first information is used to determine a second modulation coding state, and the first modulation coding state is related to the first information and the first length of time. The method and the device flexibly utilize resources and ensure the integrity of transmission.

Description

Method and device in user equipment and base station used for narrow-band communication

Technical Field

The present application relates to transmission schemes in wireless communication systems, and more particularly, to methods and apparatus in narrowband communication systems.

Background

In a conventional 3 GPP-3 rd Generation partnership Project (3 GPP-3 rd Generation Partner Project) Long Term Evolution (LTE-Long Term Evolution) system, a frame structure of a Time Division Duplex (TDD-Time Division Duplex) system is defined, some allocated subframes are used for Uplink (Uplink, UL) transmission, other subframes are used for Downlink (Downlink, DL), and switching between Downlink and Uplink occurs in a special subframe, which may be further divided into a DwPTS (Downlink Pilot Time Slot ), a GP (guard period, guard interval), and an UpPTS (Uplink Pilot Time Slot).

The narrowband Internet of Things (NB-IoT-Narrow Band Internet of Things) is an emerging technology in the IoT field, wherein the NB-IoT is constructed in a cellular network, only consumes about 180KHz of bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrade. NB-IoT was first introduced in 3GPP (3rd Generation Partner Project) Rel-13, where the NB-IoT system of Rel-13 was enhanced in 3GPP Rel-14. An important enhancement aspect in Rel-14 is to give more functions to non-anchor physical resource blocks, such as supporting transmission of paging channel, supporting transmission of random access channel, etc., and introduce functions of positioning and multicast. In 3GPP Rel-15, NB-IoT is further enhanced, including reducing power consumption, enhancing measurement accuracy, introducing special scheduling requests and the like. In particular, support for TDD (Time Division Duplex) is also introduced in Rel-15.

Disclosure of Invention

In a TDD NB-IoT system, a complete Downlink subframe available for a data Channel and a Narrowband Physical Downlink Control Channel (NPDCCH) is limited, and thus it is very likely that the data Channel and the narrowband Physical Downlink Control Channel need to be supported to be transmitted by using a TDD special subframe. Because the number of downlink OFDM (Orthogonal Frequency Division Multiplexing) symbols that can be used in the TDD special subframe is less than that of the TDD normal subframe, and according to the existing design that only FDD NB-IoT is supported, one subframe is occupied by one repetition of a data channel or NPDCCH, the influence of the TDD special subframe on Resource Mapping (Resource Mapping) and Modulation Coding Scheme (MCS) is considered when scheduling TDD special subframe transmission.

The present application provides a solution to the scheduling problem when NB-IoT uses TDD special subframes, and without conflict, the embodiments and features in embodiments in the UE (User Equipment) of the present application may be applied in a base station, and vice versa. Further, the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without conflict.

The application discloses a method in user equipment for wireless communication, which is characterized by comprising the following steps:

-receiving first information;

-receiving Q1 first type wireless signals in Q1 first type slots, respectively;

wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first type time slots is equal to the first time length, the Q1 is a positive integer, and the first information is used to determine a second modulation and coding scheme, the first modulation and coding scheme being related to the first information and the first time length.

According to one aspect of the present application, the above method is characterized by further comprising:

-receiving Q2 second type wireless signals in Q2 second type time slots, respectively;

wherein each of the Q2 second-type wireless signals is generated by the first bit block, each of the Q2 second-type wireless signals corresponds to the second modulation and coding scheme, the duration of each of the Q2 second-type time slots is equal to a second time length, and the Q2 is a positive integer. The second length of time is different from the first length of time.

-receiving second signaling;

wherein the second signaling is used to determine a first set of subframes, the Q1 first type slots belong to Q1 subframes, respectively, and the second signaling is used to determine the Q1 subframes from the first set of subframes.

According to one aspect of the application, the above method is characterized in that the first information is transmitted Q3 times in Q3 time slots, respectively, the Q3 being a positive integer greater than 1, the first information occupying, in any given one of the Q3 time slots, at least one of T NCCEs, { the T, a pattern of each of the T NCCEs }, related to a time-domain length of the given time slot; the T is a positive integer.

The application discloses a method in a base station device for wireless communication, which is characterized by comprising the following steps:

-transmitting the first information;

-transmitting Q1 first type wireless signals in Q1 first type slots, respectively;

-transmitting Q2 second type wireless signals in Q2 second type time slots, respectively;

-transmitting second signaling;

According to one aspect of the application, the above method is characterized in that the first information is received Q3 times in Q3 time slots, respectively, the Q3 being a positive integer greater than 1, the first information occupying, in any given one of the Q3 time slots, at least one of T NCCEs, { the T, a pattern of each of the T NCCEs }, related to a time-domain length of the given time slot; the T is a positive integer.

The application discloses user equipment for wireless communication, characterized by, includes:

-a first receiving module receiving first information;

-a second receiving module for receiving Q1 first type radio signals in Q1 first type time slots, respectively;

According to an aspect of the present application, the above user equipment is characterized in that the second receiving module receives Q2 second-type wireless signals in Q2 second-type time slots, respectively; wherein each of the Q2 second-type wireless signals is generated by the first bit block, each of the Q2 second-type wireless signals corresponds to the second modulation and coding scheme, the duration of each of the Q2 second-type time slots is equal to a second time length, and the Q2 is a positive integer. The second length of time is different from the first length of time.

According to an aspect of the present application, the user equipment is characterized in that the first receiving module receives a second signaling; wherein the second signaling is used to determine a first set of subframes, the Q1 first type slots belong to Q1 subframes, respectively, and the second signaling is used to determine the Q1 subframes from the first set of subframes.

According to an aspect of the present application, the above user equipment is characterized in that the first information is transmitted Q3 times in Q3 slots, respectively, the Q3 being a positive integer greater than 1, the first information occupying at least one of T NCCEs, { the T, a pattern of each of the T NCCEs } in any given one of the Q3 slots in relation to a time-domain length of the given slot; the T is a positive integer.

The application discloses a base station equipment for wireless communication, characterized by, includes:

-a first sending module to send a first information;

-a second transmitting module for transmitting Q1 first type radio signals in Q1 first type slots, respectively;

According to an aspect of the present application, the base station apparatus is characterized in that the second transmitting module transmits Q2 second-type wireless signals in Q2 second-type time slots, respectively; wherein each of the Q2 second-type wireless signals is generated by the first bit block, each of the Q2 second-type wireless signals corresponds to the second modulation and coding scheme, the duration of each of the Q2 second-type time slots is equal to a second time length, and the Q2 is a positive integer. The second length of time is different from the first length of time.

According to an aspect of the present application, the base station device is characterized in that the first receiving module receives a second signaling; wherein the second signaling is used to determine a first set of subframes, the Q1 first type slots belong to Q1 subframes, respectively, and the second signaling is used to determine the Q1 subframes from the first set of subframes.

According to an aspect of the present application, the above base station apparatus is characterized in that the first information is received Q3 times in Q3 time slots, respectively, the Q3 being a positive integer greater than 1, the first information occupying at least one of T NCCEs, { the T, a pattern of each of the T NCCEs } in any given one of the Q3 time slots in relation to a time-domain length of the given time slot; the T is a positive integer.

As an embodiment, the method disclosed in the present application supports that the repeated transmission in NB-IoT uses different modulation and coding schemes when using the TDD normal subframe and the TDD special subframe, which has an advantage that a complete repeated transmission can still be performed in the TDD special subframe by adjusting the modulation and coding scheme, thereby ensuring the link performance of the repeated transmission in TDD.

As an embodiment, the method disclosed in the present application supports calculating a corresponding modulation and coding scheme according to resources available for downlink transmission in a special subframe of TDD, so that the transmission amount of data is increased and the coverage performance is improved without affecting the transmission rate.

As an example, the application discloses a method with the advantages further comprising: existing NB-IoT TBS (Transport Block Size) based on FDD is reused as much as possible, and designs such as scheduling modes, resource mapping and the like are used, so that standardization work is reduced, and the coverage performance of TDD is optimized.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 shows a flow diagram of transmission of first information and first type of wireless signals according to an embodiment of the application;

figure 2 shows a schematic diagram of a radio protocol architecture of a user plane and a control plane according to an embodiment of the present application;

figure 3 shows a schematic diagram of an evolved node device and a given user equipment according to one embodiment of the present application;

fig. 4 shows a downlink wireless signal transmission flow diagram according to an embodiment of the present application;

FIG. 5 shows a schematic diagram of a relationship of a first type of wireless signal to a second type of wireless signal according to one embodiment of the present application;

FIG. 6 shows a first information diagram according to an embodiment of the present application;

FIG. 7 shows a block diagram of a processing device in a User Equipment (UE) according to an embodiment of the present application;

fig. 8 shows a block diagram of a processing means in a base station according to an embodiment of the present application;

Detailed Description

The technical solutions of the present application will be further described in detail with reference to the accompanying drawings, and it should be noted that the embodiments and features of the embodiments of the present application can be arbitrarily combined with each other without conflict.

Example 1

Embodiment 1 illustrates a flow chart of transmission of first information and first type wireless signals according to an embodiment of the present application, as shown in fig. 1. In fig. 1, each block represents a step. In embodiment 1, a user equipment in this application first receives first information, and then receives Q1 first-class radio signals in Q1 first-class slots, respectively, where each of the Q1 first-class radio signals is generated by a first bit block, each of the Q1 first-class radio signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first-class slots is equal to the first time length, and Q1 is a positive integer, and the first information is used to determine a second modulation and coding scheme, and the first modulation and coding scheme is related to the first information and the first time length.

As a sub-embodiment, the first information explicitly indicates the second modulation and coding scheme.

As a sub-embodiment, the first information implicitly indicates the second modulation and coding scheme.

As a sub-embodiment, the spectral efficiency corresponding to the first modulation and coding scheme is higher than or equal to the spectral efficiency corresponding to the second modulation and coding scheme.

As a sub-embodiment, a Coding Rate (Coding Rate) corresponding to the first modulation and Coding scheme is higher than or equal to a Coding Rate corresponding to the second modulation and Coding scheme.

As a sub-embodiment of the above sub-embodiment, a modulation scheme corresponding to the first modulation and coding scheme is the same as a modulation scheme corresponding to the second modulation and coding scheme.

As a sub-embodiment of the above sub-embodiment, both the modulation scheme corresponding to the first modulation and coding scheme and the modulation scheme corresponding to the second modulation and coding scheme are QPSK.

As a sub-embodiment, the first time length includes M OFDM (Orthogonal Frequency Division Multiplexing) symbols, where M is a positive integer.

As a sub-embodiment, M is less than 15.

As a sub-embodiment, M is greater than or equal to 7.

As a sub-embodiment, M is a positive integer of {3,6,9, 10,11,12}

As a sub-embodiment, the first bit block comprises a plurality of bits.

As a sub-embodiment, the first bit Block is a Transport Block (TB) or a part of a TB.

As a sub-embodiment, each of the Q1 first-type radio signals is generated after the first bit block is sequentially subjected to { CRC (Cyclic Redundancy Check) addition, Channel Coding (Channel Coding), Rate Matching (Rate Matching), Scrambling (Scrambling), Modulation Mapper (Modulation Mapper), Layer Mapper (Layer Mapper), Precoding (Precoding), Resource Element Mapper (Resource Element Mapper), and OFDM signal Generation (Generation) }.

As a sub-embodiment, each of the Q1 first type wireless signals includes all information of the first bit block.

As a sub-embodiment, if SINR (Signal to Interference Noise Ratio) is high enough, the receiver can recover the first bit block according to any one of the Q1 first-type wireless signals.

As a sub-embodiment, the Q1 is greater than 1.

As a sub-embodiment, each of the Q1 first-type timeslots is a DwPTS (Downlink Pilot Time Slot) in a tdd (Time Division duplex) Special Subframe (Special Subframe).

As a sub-embodiment, each of the Q1 first type slots is a Normal (Normal) Subframe (Subframe).

As a sub-embodiment, the bandwidth occupied by the first type of wireless signal does not exceed 180 kHz.

As a sub-embodiment, the first type of radio signal is transmitted on NPDSCH (Narrow band Physical Downlink Shared Channel).

As a sub-embodiment, the first information is used to determine the Q1.

As a sub-embodiment, the first information belongs to a first signaling.

As a sub-embodiment, the first information comprises a field in the first signaling.

As a sub-embodiment, the first signaling is used to determine the Q1 first class slots.

As a sub-embodiment, the Q1 first type slots belong to Q1 sub-frames respectively.

As a sub-embodiment, the first signaling is physical layer signaling.

As a sub-embodiment, the first signaling is used to determine at least one of { occupied time domain resource, MCS (Modulation and Coding Scheme, or the like of the first type wireless signals.

As a sub-embodiment, the first signaling is DCI (Downlink Control Information) format (format) N1, or the first signaling is DCI (Downlink Control Information) format (format) N2.

As a sub-embodiment, the first signaling includes L bits, where the L bits respectively indicate whether L TDD (Time Division Duplex) special subframes in a target Time window belong to one of the Q1 subframes. The target time window occurs periodically.

As a sub-embodiment of the above sub-embodiment, two adjacent occurrences of the target time window are consecutive in the time domain.

As a sub-embodiment, the first signaling is RRC (Radio Resource Control) layer signaling.

As a sub-embodiment, the first type of slot belongs to one sub-frame, and the first type of slot includes all OFDM (Orthogonal Frequency Division Multiplexing) symbols reserved for downlink transmission in the sub-frame to which the first type of slot belongs.

Example 2

Embodiment 2 shows a schematic diagram of an embodiment of a radio protocol architecture for the user plane and the control plane according to the present application, as shown in fig. 2. Fig. 2 is a schematic diagram illustrating an embodiment of radio protocol architecture for the user plane and the control plane, fig. 2 showing the radio protocol architecture for the User Equipment (UE) and the base station equipment (eNB) in three layers: layer 1, layer 2 and layer 3. Layer 1(L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to herein as PHY 201. Layer 2(L2 layer) 205 is above PHY201 and is responsible for the link between the UE and the eNB through PHY 201. In the user plane, the L2 layer 205 includes a MAC (Medium Access Control) sublayer 202, an RLC (Radio Link Control) sublayer 203, and a PDCP (Packet Data Convergence Protocol) sublayer 204, which terminate at an eNB on the network side. Although not shown, the UE may have several upper layers above the L2 layer 205, including a network layer (e.g., IP layer) that terminates at the P-GW on the network side and an application layer that terminates at the other end of the connection (e.g., far end UE, server, etc.). The PDCP sublayer 204 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 204 also provides header compression for upper layer data packets to reduce radio transmission overhead, security by ciphering the data packets, and handover support for UEs between enbs. The RLC sublayer 203 provides segmentation and reassembly of upper layer packets, retransmission of lost packets, and reordering of packets to compensate for out-of-order reception due to HARQ. The MAC sublayer 202 provides multiplexing between logical and transport channels. The MAC sublayer 202 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell among the UEs. The MAC sublayer 202 is also responsible for HARQ operations. In the control plane, the radio protocol architecture for the UE and eNB is substantially the same for the physical layer 201 and the L2 layer 205, but without header compression functions for the control plane. The Control plane also includes a RRC (Radio Resource Control) sublayer 206 in layer 3 (layer L3). The RRC sublayer 206 is responsible for obtaining radio resources (i.e., radio bearers) and configures the lower layers using RRC signaling between the eNB and the UE.

As a sub-embodiment, the radio protocol architecture in fig. 2 is applicable to the user equipment in the present application.

As a sub-embodiment, the radio protocol architecture in fig. 2 is applicable to the base station apparatus in the present application.

As a sub-embodiment, the first information in the present application is generated in the PHY 201.

As a sub-embodiment, the second signaling in this application is generated in the RRC 206.

As a sub-embodiment, the first type of wireless signals in the present application are generated in the MAC sublayer 202.

As a sub-embodiment, the second type of wireless signal in the present application is generated in the MAC sublayer 202.

Example 3

Embodiment 3 shows a schematic diagram of an evolved node and a given user equipment according to the present application, as shown in fig. 3. Fig. 3 is a block diagram of an eNB310 in communication with a UE350 in an access network. In the DL (Downlink), upper layer packets from the core network are provided to the controller/processor 340. Controller/processor 340 implements the functionality of layer L2. In the DL, the controller/processor 340 provides header compression, ciphering, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the UE350 based on various priority metrics. The controller/processor 340 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the UE 350. The transmit processor 315 implements various signal processing functions for the L1 layer (i.e., the physical layer). The signal processing functions include decoding and interleaving to facilitate Forward Error Correction (FEC) at the UE350 and mapping to signal constellation based on various modulation schemes (e.g., Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK)). The coded and modulated symbols are then split into parallel streams. Each stream is then mapped to multi-carrier subcarriers, multiplexed with reference signals (e.g., pilots) in the time and/or frequency domain, and then combined together using an Inverse Fast Fourier Transform (IFFT) to generate a physical channel carrying a time-domain multi-carrier symbol stream. The parallel streams are spatially pre-decoded to produce a plurality of spatial streams. Each spatial stream is then provided to a different antenna 320 via a transmitter 316. Each transmitter 316 modulates an RF carrier with a respective spatial stream for transmission. At the UE350, each receiver 356 receives a signal through its respective antenna 360. Each receiver 356 recovers information modulated onto an RF carrier and provides the information to receive processor 352. The receive processor 352 implements various signal processing functions of the L1 layer. The receive processor 352 performs spatial processing on the information to recover any spatial streams destined for the UE 350. Receive processor 352 then converts the multicarrier symbol stream from the time-domain to the frequency-domain using a Fast Fourier Transform (FFT). The frequency domain signal comprises a separate multicarrier symbol stream for each subcarrier of the multicarrier signal. The symbols on each subcarrier, as well as the reference signal, are recovered and demodulated by determining the most likely signal constellation point transmitted by the eNB 310. The soft decisions are then decoded and deinterleaved to recover the data and control signals that were originally transmitted by the eNB310 on the physical channel. The data and control signals are then provided to a controller/processor 390. Controller/processor 390 implements the L2 layer. The controller/processor can be associated with a memory 380 that stores program codes and data. Memory 380 may be referred to as a computer-readable medium.

As a sub-embodiment, the UE350 apparatus comprises: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, the UE350 apparatus at least: receiving the first information and receiving Q1 first type wireless signals in Q1 first type slots, respectively; wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first type time slots is equal to the first time length, the Q1 is a positive integer, and the first information is used to determine a second modulation and coding scheme, the first modulation and coding scheme being related to the first information and the first time length.

As a sub-embodiment, the UE350 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: receiving the first information and receiving Q1 first type wireless signals in Q1 first type slots, respectively; wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first type time slots is equal to the first time length, the Q1 is a positive integer, and the first information is used to determine a second modulation and coding scheme, the first modulation and coding scheme being related to the first information and the first time length.

As a sub-embodiment, the eNB310 apparatus includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The eNB310 apparatus at least: transmitting the first information and transmitting Q1 first type wireless signals in Q1 first type slots, respectively; wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first type time slots is equal to the first time length, the Q1 is a positive integer, and the first information is used to determine a second modulation and coding scheme, the first modulation and coding scheme being related to the first information and the first time length.

As a sub-embodiment, the eNB310 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: transmitting the first information and transmitting Q1 first type wireless signals in Q1 first type slots, respectively; wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first type time slots is equal to the first time length, the Q1 is a positive integer, and the first information is used to determine a second modulation and coding scheme, the first modulation and coding scheme being related to the first information and the first time length.

As a sub-embodiment, the UE350 corresponds to the UE in the present application.

As a sub-embodiment, the eNB310 corresponds to the base station in this application.

As a sub-embodiment, at least one of the receive processor 352 and the controller/processor 390 is configured to receive the first information in the present application.

As a sub-embodiment, at least one of the receive processor 352 and the controller/processor 390 is configured to receive the second signaling in the present application.

As a sub-embodiment, the receiving processor 352 is used for receiving the first type wireless signals and the second type wireless signals in the present application.

As a sub-embodiment, at least one of the transmit processor 315 and the controller/processor 340 is configured to transmit the first information in the present application.

As a sub-embodiment, at least one of the transmit processor 315 and the controller/processor 340 is used to send the second signaling in this application.

As a sub-embodiment, the sending processor 315 is used to send the first type of wireless signals and the second type of wireless signals in this application.

Example 4

Embodiment 4 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in fig. 4. In fig. 4, base station N1 is the serving cell maintaining base station for UE U2.

For theBase station N1Second signaling is transmitted in step S11, first information is transmitted in step S12, Q1 first-type wireless signals are transmitted in Q1 first-type slots, respectively, in step S13, and Q2 second-type wireless signals are transmitted in Q2 second-type slots, respectively, in step S14.

For theUE U2The second signaling is received in step S21, the first information is received in step S22, Q1 first-type wireless signals are received in Q1 first-type slots, respectively, in step S23, and Q2 second-type wireless signals are received in Q2 second-type slots, respectively, in step S24.

In embodiment 4, each of the Q1 first-type wireless signals is generated by a first bit block, each of the Q1 first-type wireless signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first-type time slots is equal to the first time length, the Q1 is a positive integer, the first information is used for determining a second modulation and coding scheme, and the first modulation and coding scheme is related to the first information and the first time length; each of the Q2 second-type wireless signals is generated by the first bit block, each of the Q2 second-type wireless signals corresponds to the second modulation and coding scheme, the duration of each of the Q2 second-type time slots is equal to a second time length, and the Q2 is a positive integer. The second length of time is different from the first length of time; the second signaling is used to determine a first set of subframes, the Q1 first type slots belong to Q1 subframes, respectively, and the second signaling is used to determine the Q1 subframes from the first set of subframes.

As a sub-embodiment, the first information is transmitted or received Q3 times in Q3 time slots, respectively, the Q3 being a positive integer greater than 1, the first information occupying at least one of T NCCEs, { the T, a pattern of each of the T NCCEs } in any given one of the Q3 time slots in relation to a time-domain length of the given time slot; the T is a positive integer.

As a sub-embodiment, the second signaling is broadcast.

As a sub-embodiment, the second signaling is higher layer signaling.

As a sub-embodiment, the second signaling is RRC (Radio Resource Control) signaling.

As a sub-embodiment, the second signaling is SIB2-NB (System Information Block type 2-Narrow Band, narrowband System Information Block type 2).

As a sub-embodiment, the second signaling is an IE (Information Element) tdd-Config in SIB 2-NB.

As a sub-embodiment, the second signaling is transmitted in a normal subframe of TDD.

As a sub-embodiment, the second signaling is used by the user equipment to determine the first set of subframes.

As a sub-embodiment, the second signaling explicitly indicates the first set of subframes.

As a sub-embodiment, the second signaling implicitly indicates the first set of subframes.

Example 5

Embodiment 5 illustrates a schematic diagram of a relationship between a first type of wireless signal and a second type of wireless signal according to an embodiment of the present application, as shown in fig. 5. In fig. 5, the horizontal axis represents time, the rectangles filled with oblique lines represent the first type of radio signals, the rectangles filled with cross lines represent the second type of radio signals, each of the rectangles filled with thick lines represents a special subframe of TDD, the rectangle identified by D is a downlink normal subframe of TDD, and the rectangle identified by U is an uplink subframe of TDD.

In embodiment 5, the ue in this application receives Q1 first-type radio signals in Q1 first-type slots, where each of the Q1 first-type radio signals is generated by a first bit block, each of the Q1 first-type radio signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first-type slots is equal to the first time length, and Q1 is a positive integer; the user equipment in the present application receives Q2 second type wireless signals in Q2 second type time slots, respectively; each of the Q2 second-type wireless signals is generated by the first bit block, each of the Q2 second-type wireless signals corresponds to the second modulation and coding scheme, the duration of each of the Q2 second-type time slots is equal to a second time length, and the Q2 is a positive integer. The second length of time is different from the first length of time.

As a sub-embodiment, each of the Q2 second-type wireless signals is generated after the first bit block is sequentially subjected to { CRC (Cyclic Redundancy Check) addition, Channel Coding (Channel Coding), Rate Matching (Rate Matching), Scrambling (Scrambling), Modulation Mapper (Modulation Mapper), Layer Mapper (Layer Mapper), Precoding (Precoding), Resource Element Mapper (Resource Element Mapper), and OFDM signal Generation (Generation) }.

As a sub-embodiment, each of the Q2 second type wireless signals includes all information of the first bit block.

As a sub-embodiment, if SINR (Signal to Interference Noise Ratio) is high enough, the receiver can recover the first bit block according to any one of the Q2 second type wireless signals.

As a sub-embodiment, the Q2 is greater than 1.

As a sub-embodiment, each of the Q2 second-type slots is a tdd (time Division duplex) Normal Subframe (Normal Subframe).

As a sub-embodiment, the bandwidth occupied by the second type of radio signal does not exceed 180 kHz.

As a sub-embodiment, the second type of radio signal is transmitted on NPDSCH.

As a sub-embodiment, the second length of time is greater than the first length of time.

As a sub-embodiment, the second time length includes 14 OFDM (Orthogonal Frequency Division Multiplexing) symbols.

Example 6

Embodiment 6 illustrates a schematic diagram of first information according to an embodiment of the present application, as shown in fig. 6. In fig. 6, the horizontal axis represents time, the vertical axis represents frequency, a rectangle encircled by a bold frame represents a TDD subframe, the TDD subframe can be a TDD special subframe or a TDD normal subframe, the TDD special subframe includes DwPTS, GP and UpPTS, a filled rectangle represents an NCCE, and different pattern fillings represent different patterns of the NCCE.

In embodiment 6, each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation and coding scheme, the duration of each of the Q1 first type time slots is equal to the first time length, the Q1 is a positive integer, first information is used for determining a second modulation and coding scheme, and the first modulation and coding scheme is related to the first information and the first time length

The first information is transmitted Q3 times in Q3 time slots respectively, the Q3 being a positive integer greater than 1, the first information occupying at least one of T NCCEs, { the T, a pattern of each of the T NCCEs } in any given one of the Q3 time slots in relation to a time-domain length of the given time slot; the T is a positive integer.

As a sub-embodiment, the first information is repeatedly transmitted Q3 times in the Q3 slots.

As a sub-embodiment, if one of the Q3 timeslots belongs to a TDD special subframe and the time domain length of DwPTS in the special subframe is smaller than a given threshold, T is equal to 1, otherwise T is equal to 2. As a sub-embodiment, the given threshold is equal to one of the lengths of time corresponding to {6,9,10, 11,12} OFDM symbols.

As a sub-embodiment, T is equal to 2, and each NCCE (Narrow band Control Channel Element) in the T NCCEs occupies 6 consecutive subcarriers in one PRB (Physical Resource Block) pair in the frequency domain.

As a sub-embodiment, T is equal to 2, one NCCE of the T NCCEs occupies, in the frequency domain, the higher-frequency consecutive 6 subcarriers in one PRB (Physical Resource Block) pair, and the other NCCE of the T NCCEs occupies, in the frequency domain, the lower-frequency consecutive 6 subcarriers in the PRB pair.

As a sub-embodiment, T is equal to 1, and an NCCE of the T NCCEs occupies all 12 subcarriers in one PRB (Physical Resource Block) pair in the frequency domain.

As a sub-embodiment, each NCCE of the T NCCEs performs resource mapping according to the order of frequency first and time second.

Example 7

Embodiment 7 illustrates a block diagram of a processing device in a user equipment, as shown in fig. 7. In fig. 7, the ue processing apparatus 700 mainly comprises a first receiving module 701 and a second receiving module 702.

In embodiment 7, the first receiving module 701 receives first information; the second receiving module 702 receives Q1 first-type wireless signals in Q1 first-type slots, respectively; wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first type time slots is equal to the first time length, the Q1 is a positive integer, and the first information is used to determine a second modulation and coding scheme, the first modulation and coding scheme being related to the first information and the first time length.

As a sub-embodiment, the second receiving module 702 further receives Q2 second-type wireless signals in Q2 second-type time slots, respectively; wherein each of the Q2 second-type wireless signals is generated by the first bit block, each of the Q2 second-type wireless signals corresponds to the second modulation and coding scheme, the duration of each of the Q2 second-type time slots is equal to a second time length, and the Q2 is a positive integer. The second length of time is different from the first length of time.

As a sub embodiment, the first receiving module 701 further receives a second signaling; wherein the second signaling is used to determine a first set of subframes, the Q1 first type slots belong to Q1 subframes, respectively, and the second signaling is used to determine the Q1 subframes from the first set of subframes.

As a sub-embodiment, the first information is transmitted Q3 times in Q3 time slots respectively, the Q3 is a positive integer greater than 1, in any given one of the Q3 time slots, the first information occupies at least one of T NCCEs, { the T, a pattern of each of the T NCCEs }, in relation to a time-domain length of the given time slot; the T is a positive integer.

Example 8

Embodiment 8 is a block diagram illustrating a processing apparatus in a base station device, as shown in fig. 8. In fig. 8, a base station processing apparatus 800 is mainly composed of a first transmission module 801 and a second transmission module 802.

In embodiment 8, the first sending module 801 sends first information; the second transmitting module 802 transmits Q1 first-type wireless signals in Q1 first-type slots, respectively; wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to the first modulation and coding scheme, a duration of each of the Q1 first type time slots is equal to the first time length, the Q1 is a positive integer, and the first information is used to determine a second modulation and coding scheme, the first modulation and coding scheme being related to the first information and the first time length.

As a sub-embodiment, the second sending module 802 further sends Q2 second-type wireless signals in Q2 second-type time slots, respectively; wherein each of the Q2 second-type wireless signals is generated by the first bit block, each of the Q2 second-type wireless signals corresponds to the second modulation and coding scheme, the duration of each of the Q2 second-type time slots is equal to a second time length, and the Q2 is a positive integer. The second length of time is different from the first length of time.

As a sub embodiment, the first sending module further sends a second signaling; wherein the second signaling is used to determine a first set of subframes, the Q1 first type slots belong to Q1 subframes, respectively, and the second signaling is used to determine the Q1 subframes from the first set of subframes.

As a sub-embodiment, the first information is received Q3 times in Q3 time slots respectively, the Q3 being a positive integer greater than 1, the first information occupying at least one of T NCCEs, { the T, a pattern of each of the T NCCEs } in any given one of the Q3 time slots in relation to a time-domain length of the given time slot; the T is a positive integer.

It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. UE and terminal in this application include but not limited to unmanned aerial vehicle, Communication module on the unmanned aerial vehicle, remote control plane, the aircraft, small aircraft, the cell-phone, the panel computer, the notebook, vehicle-mounted Communication equipment, wireless sensor, network card, thing networking terminal, the RFID terminal, NB-IOT terminal, MTC (Machine Type Communication ) terminal, eMTC (enhanced MTC) terminal, the data card, network card, vehicle-mounted Communication equipment, low-cost cell-phone, equipment such as low-cost panel computer. The base station in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, and other wireless communication devices.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method in a user equipment for wireless communication, comprising:

-receiving first information;

-receiving Q1 first type wireless signals in Q1 first type slots, respectively;

wherein each of the Q1 first type wireless signals is generated by a first bit block, each of the Q1 first type wireless signals corresponds to a first modulation and coding scheme, a duration of each of the Q1 first type time slots is equal to a first time length, the Q1 is a positive integer, the first information is used to determine a second modulation and coding scheme, and the first modulation and coding scheme is related to the first information and the first time length; each of the Q2 second type wireless signals is generated by the first bit block, each of the Q2 second type wireless signals corresponds to the second modulation and coding scheme, the duration of each of the Q2 second type time slots is equal to a second time length, and the Q2 is a positive integer; the second length of time is different from the first length of time.

2. The method of claim 1, further comprising:

-receiving second signaling;

3. The method of claim 1 or 2, wherein the first information is transmitted Q3 times in Q3 time slots, respectively, the Q3 being a positive integer greater than 1, the first information occupying, in any given one of the Q3 time slots, at least one of T NCCEs, T or a pattern of each of the T NCCEs in relation to a time-domain length of the given time slot; the T is a positive integer.

4. A method in a base station device for wireless communication, comprising:

-transmitting the first information;

5. The method of claim 4, further comprising:

-transmitting second signaling;

6. The method of claim 4 or 5, wherein the first information is received Q3 times in Q3 time slots, respectively, the Q3 being a positive integer greater than 1, the first information occupying, in any given one of the Q3 time slots, at least one of T NCCEs, T or a pattern of each of the T NCCEs, relative to a time-domain length of the given time slot; the T is a positive integer.

7. A user device for wireless communication, comprising:

-a first receiving module receiving first information;

-a second receiving module for receiving Q1 first type radio signals in Q1 first type time slots, respectively; the second receiving module respectively receives Q2 second-class wireless signals in Q2 second-class time slots;

8. The UE of claim 7, wherein the first receiving module receives a second signaling; wherein the second signaling is used to determine a first set of subframes, the Q1 first type slots belong to Q1 subframes, respectively, and the second signaling is used to determine the Q1 subframes from the first set of subframes.

9. The user equipment of claim 7 or 8, wherein the first information is transmitted Q3 times in Q3 time slots, respectively, the Q3 being a positive integer greater than 1, the first information occupying at least one of T NCCEs, T or a pattern of each of the T NCCEs in any given one of the Q3 time slots in relation to a time-domain length of the given time slot; the T is a positive integer.

10. A base station apparatus for wireless communication, comprising:

-a first sending module to send a first information;

-a second transmitting module for transmitting Q1 first type radio signals in Q1 first type slots, respectively; the second transmitting module transmits Q2 second-type wireless signals in Q2 second-type time slots, respectively;

11. The base station device of claim 10, wherein the first sending module sends a second signaling; wherein the second signaling is used to determine a first set of subframes, the Q1 first type slots belong to Q1 subframes, respectively, and the second signaling is used to determine the Q1 subframes from the first set of subframes.

12. The base station device of claim 10 or 11, wherein the first information is received Q3 times in Q3 time slots, respectively, the Q3 being a positive integer greater than 1, wherein in any given one of the Q3 time slots, the first information occupies at least one of T NCCEs, T or a pattern of each of the T NCCEs } in relation to a time-domain length of the given time slot; the T is a positive integer.