WO2017186038A1 - 一种子帧配置方法和装置 - Google Patents
一种子帧配置方法和装置 Download PDFInfo
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- WO2017186038A1 WO2017186038A1 PCT/CN2017/081050 CN2017081050W WO2017186038A1 WO 2017186038 A1 WO2017186038 A1 WO 2017186038A1 CN 2017081050 W CN2017081050 W CN 2017081050W WO 2017186038 A1 WO2017186038 A1 WO 2017186038A1
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- 238000004891 communication Methods 0.000 claims abstract description 39
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
- H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a subframe configuration method and apparatus.
- Time division duplexing is a duplex communication technology in mobile communication systems.
- uplink and downlink information is transmitted in different time channels of the same frequency channel (ie, carrier), and the uplink channel and the downlink channel are distinguished by time.
- the TDD mode supports flexible configuration of uplink and downlink subframes.
- each subframe in a frame may be set to any type of subframe; wherein, according to the subframe type, one subframe may be an uplink subframe, a downlink subframe, or a special subframe. Wait.
- part of the symbol is used to transmit uplink data, and part of the symbol is used to transmit downlink data.
- each subframe in a frame can be arbitrarily set in the TDD mode, for two terminal devices, one subframe of one terminal device can be configured as an uplink subframe, and the other terminal device
- the subframe may be configured as a downlink subframe; thus, information transmitted by the terminal device of the two terminal devices in the subframe, for example, public information, etc., is transmitted by the other terminal device in the subframe.
- the interference of the information is large, and the public information transmitted by one of the terminal devices in the subframe may not be correctly received by the receiving end, so that the receiving end cannot work with the public information.
- the subframe of the terminal device A may be configured as a downlink subframe
- the subframe of the terminal device B may be configured as an uplink subframe; then, in the subframe, the terminal device A may be located by the terminal device B.
- the uplink information is transmitted in the subframe, and the downlink control information sent by the base station in the subframe cannot be received, so that the terminal device A cannot normally access the network according to the downlink control information.
- Embodiments of the present invention provide a subframe configuration method and apparatus for resolving at least common information transmitted by one terminal device in the subframe due to "the opposite direction of information transmission of different terminal devices in the same subframe" It may be interfered with by the opposite direction information transmitted by other terminal devices in the subframe, and the receiving end (network device or terminal device) cannot correctly receive the public information, thereby failing to utilize the public transmission in the subframe.
- the problem of working with information may be performed by the opposite direction of information transmitted by other terminal devices in the subframe.
- the first aspect provides a subframe configuration method, which is applied to a TDD communication system.
- the method includes: the network device sends a subframe configuration message to at least two terminal devices; wherein the subframe configuration message carries a subframe type of the first partial subframe in the target frame, configured to instruct at least two terminal devices to configure a subframe type of the first partial subframe of the target frame, so that any one of the first partial subframes of the target frame In the frame, at least two terminal devices perform information transmission in the same direction; the same direction includes at least one of an uplink direction and a downlink direction; the first partial subframe refers to a subframe at a specific position in one frame, and the first portion of the target frame Frames are used to transmit public information.
- the second aspect provides a network device, which is applied to a TDD communication system.
- the network device includes: a sending unit, configured to send a subframe configuration message to at least two terminal devices, where the subframe configuration message carries the first part of the target frame.
- a subframe type of the subframe configured to indicate that at least two terminal devices configure a subframe type of the first partial subframe of the target frame, so that at least two of any one of the first partial subframes of the target frame
- the terminal device performs information transmission in the same direction; the same direction includes at least one of an uplink direction and a downlink direction; the first partial subframe refers to a subframe at a specific position in one frame, and the first partial subframe of the target frame is used to transmit public information. .
- the third aspect provides a subframe configuration method, which is applied to a TDD communication system.
- the method includes: the terminal device receives a subframe configuration message sent by the network device, where the subframe configuration message carries the subframe of the first partial subframe of the target frame.
- a frame type the first partial subframe refers to a subframe at a specific position in a frame
- the terminal device configures a subframe type of the first partial subframe of the target frame according to the subframe configuration message, so that the first partial subframe in the target frame
- the terminal device performs information transmission in the same direction as the at least one other terminal device, and the same direction refers to at least one of an uplink direction and a downlink direction.
- a fourth aspect provides a terminal device, which is applied to a TDD communication system, where the terminal device includes: a receiving unit and a configuration unit.
- the receiving unit is configured to receive a subframe configuration message sent by the network device, where the subframe configuration message carries a subframe type of the first partial subframe of the target frame, and the first partial subframe refers to a subframe at a specific position in one frame.
- a configuration unit configured to configure, according to the subframe configuration message, a subframe type of the first partial subframe of the target frame, so that the terminal device and the at least one other terminal device in any subframe of the first partial subframe of the target frame
- the information transmission in the same direction is performed, and the same direction refers to at least one of an uplink direction and a downlink direction.
- the subframe type of the partial subframe (ie, the first partial subframe) in the target frame is configured, so that at least two in any subframe of the first partial subframe
- the terminal device performs information transmission in the same direction, and transmits common information in the first partial subframe; thus, any one of the at least two terminal devices can be in a subframe for transmitting common information, and the other terminal
- the device transmits information in the same direction in the subframe, so that the public transmission of one of the terminal devices in the subframe due to "the opposite direction of information transmission of different terminal devices in the same subframe" in the prior art can be reduced.
- the information may be interfered by the information of the opposite direction transmitted by the other terminal device in the subframe, so that the receiving end (the network device or the terminal device) cannot correctly receive the public information, and thus cannot use the public transmission in the subframe.
- An embodiment of the present invention further provides an implementation scheme for configuring a second partial subframe in a target frame, specifically:
- the method provided in the first aspect may further include: the network device to the at least two terminals At least one terminal device in the device sends downlink control information.
- the sending unit in the second aspect is further configured to: send downlink control information to at least one of the at least two terminal devices.
- the downlink control information sent to one terminal device carries the subframe type of the second partial subframe of the target frame configured by the network device for the terminal device. And configured to instruct the terminal device to configure a subframe type of the second partial subframe of the target frame, where the second partial subframe is a part or all subframes of the frame except the first partial subframe.
- the method provided by the third aspect may further include: receiving, by the terminal device, downlink control information sent by the network device, and configuring, according to the downlink control information, a subframe type of the second partial subframe of the target frame.
- the receiving unit in the fourth aspect is further configured to: receive downlink control information sent by the network device; the configuration unit is further configured to: configure, according to the downlink control information, a subframe type of the second partial subframe of the target frame.
- the downlink control information carries a subframe type of the second partial subframe of the target frame configured by the network device for the terminal device, and the second part is A frame refers to some or all of the subframes except one of the first partial subframes.
- the embodiment of the present invention further provides an implementation scheme for periodically configuring a type of a subframe in a frame, which can reduce information interaction between the network device and the terminal device in the process of configuring the subframe, thereby saving bandwidth.
- the specific implementation scheme is as follows:
- the method provided by the first aspect may further include: the network device sending a message carrying the frame period T to the at least two terminal devices.
- the sending unit in the second aspect is further configured to: send a message carrying the frame period T to the at least two terminal devices.
- the message carrying the frame period T is used to indicate that at least two terminal devices start from the target frame after receiving the subframe configuration message.
- the first partial subframe of each of the nTth frames is configured such that at least two terminal devices perform information transmission in the same direction in any subframe of the first partial subframe of each frame; wherein, T Is an integer greater than or equal to 1, and n is an integer greater than or equal to zero.
- the method provided by the third aspect may further include: receiving, by the terminal device, a message that is sent by the network device and that carries the frame period T.
- the terminal device configures the subframe type of the first partial subframe of the target frame according to the subframe configuration message, so that the terminal device and the at least one other terminal are in any subframe of the first partial subframe of the target frame.
- the information transmission by the device in the same direction may include: the terminal device configuring, according to the subframe configuration message and the message carrying the frame period T, the first partial subframe of each frame in the nTth frame from the target frame, to In any subframe of the first partial subframe of each frame, the terminal device and at least one other terminal device perform information transmission in the same direction.
- T is an integer greater than or equal to 1
- n is an integer greater than or equal to zero.
- the receiving unit in the fourth aspect is further configured to: receive a message that is sent by the network device and that carries the frame period T.
- the configuration unit performs configuration on the subframe type of the first partial subframe of the target frame according to the subframe configuration message, so that the terminal device performs the terminal device with the at least one other terminal device in any subframe of the first partial subframe of the target frame.
- the information may be used according to the subframe configuration message and the message carrying the frame period T, in the nTth frame from the target frame.
- the first partial subframe of each frame is configured such that in any subframe of the first partial subframe of each frame, the terminal device and at least one other terminal device perform information transmission in the same direction; wherein T is greater than or An integer equal to 1, and n is an integer greater than or equal to zero.
- the embodiment of the present invention further provides an implementation scheme of different configuration subframes between different network devices, so that the subframes in other subframes can be reduced in different subframes, and the subframes are different in the same subframe.
- the public information transmitted internally cannot be received by the receiving end, resulting in a problem of poor system performance.
- the specific implementation scheme is as follows:
- the method provided by the first aspect may further include: the network device sending a synchronization configuration message to the other network device.
- the sending unit of the second aspect is further configured to: send a synchronization configuration message to other network devices.
- the synchronization configuration message carries the subframe type of the first partial subframe of the target frame, to indicate that the other network device performs the terminal device on the other network device. Subframe configuration.
- the embodiment of the present invention further provides an implementation scheme for indicating HARQ, and the specific implementation scheme is as follows:
- the method provided by the first aspect may further include: the network device sending downlink control information to at least one of the at least two terminal devices.
- the sending unit in the second aspect is further configured to: send downlink control information to at least one of the at least two terminal devices.
- the downlink control information that is sent to a terminal device carries: the network device is configured for the terminal device, and indicates that the uplink feedback of the physical downlink data channel is The information of the subframe, or the information that the network device configures for the terminal device, indicating the subframe in which the downlink feedback of the physical uplink data channel is located.
- the method provided by the third aspect may further include: receiving, by the terminal device, downlink control information sent by the network device.
- the receiving unit in the fourth aspect is further configured to: receive downlink control information sent by the network device.
- the downlink control information carries: information that is configured by the network device, and indicates a subframe in which the uplink feedback of the physical downlink data channel is located,
- the network device is configured for the terminal device, and indicates information about a subframe in which downlink feedback of the physical uplink data channel is located.
- the subframe configuration message may include, but is not limited to, any one of the following information: system message, RRC signaling, and downlink control information.
- the subframe configuration message specifically carries: a subframe number of the first partial subframe of the target frame, and a subframe type corresponding to the subframe number; Or the information of the first partial subframe of the target frame indicated by the bitmap, and the subframe type of the first partial subframe of the target frame; or the subframe number of the first partial subframe of the target frame, and the preset number of The bit indicates information of the subframe type of the first partial subframe of the target frame.
- the common information may include at least one of the following: a synchronization signal, a measurement reference signal.
- an embodiment of the present invention provides a network device, where the network device has a function of implementing network device side behavior in the subframe configuration method provided by the foregoing first aspect and the second aspect.
- the work It can be implemented by hardware or by software.
- the hardware or software includes one or more modules corresponding to the functions described above.
- the structure of the network device includes a processor and a transmitter configured to support the network device to perform the corresponding functions in the above methods.
- the transmitter is used to support communication between the network device and the terminal device or other network device.
- the network device can also include a memory for coupling with the processor that holds program instructions and data necessary for the network device.
- the embodiment of the present invention provides a terminal device, which has the function of implementing the behavior of the terminal device side in the subframe configuration method provided by the foregoing first aspect and the second aspect.
- This function can be implemented in hardware or in hardware by executing the corresponding software.
- the hardware or software includes one or more modules corresponding to the functions described above.
- the structure of the terminal device includes a processor and a transmitter, and the processor is configured to support the terminal device to perform a corresponding function in the above method.
- the transmitter is used to support communication between the terminal device and the network device.
- the terminal device may also include a memory for coupling with the processor, which stores program instructions and data necessary for the terminal device.
- the embodiment of the invention further provides a computer storage medium for storing computer software instructions for the network device, which comprises a program designed to execute the above first aspect.
- the embodiment of the invention further provides a computer storage medium for storing computer software instructions for the terminal device, which comprises a program designed to execute the second aspect.
- the embodiment of the present invention further provides a seed frame configuration system, which may include any one of the network devices provided in the third aspect or the fifth aspect, and any one of the terminal devices provided in the foregoing fourth or sixth aspect.
- FIG. 1 is a schematic diagram of a frame structure according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of interaction of a subframe configuration method according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of interaction of another seed frame configuration method according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
- FIG. 5 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
- FIG. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
- FIG. 7 is a schematic structural diagram of another terminal device according to an embodiment of the present invention.
- FIG. 1 A schematic diagram of a frame (ie, a radio frame) is shown in FIG. 1.
- the length of one frame is 10 ms (milliseconds), which is composed of two 5 ms half frames, each half frame consisting of five 1 ms subframes.
- Each subframe consists of 2 slots.
- CP cyclic prefix
- each slot includes 6 symbols; if the symbol contains a regular CP, each slot includes 7 symbols.
- the subframe type may include an uplink subframe type (denoted as "U"), a downlink subframe type (denoted as "D"), and a special subframe type (denoted as "S").
- the uplink subframe type refers to a type of a subframe used for transmitting uplink information
- the downlink subframe type refers to a subframe type used for transmitting downlink information
- the special subframe type refers to a downlink information used for transmitting uplink information and downlink information.
- DwPTS downlink pilot time slot
- GP guard period
- UpPTS uplink pilot time slot
- UpPTS is used for uplink synchronization.
- the special subframe type may include a type of subframe (represented as "S1") for transmitting downlink information on more symbols, and transmitting uplink information on fewer symbols, and transmitting downlink information on fewer symbols, and The type of subframe in which uplink information is transmitted on more symbols (denoted as "S2").
- the uplink information includes uplink data and uplink public information
- the downlink information includes downlink data and downlink public information.
- the uplink (UL) subframe contains the UL portion.
- the UL part may transmit at least one of the following information: uplink data, uplink HARQ-ACK/NACK feedback corresponding to the previous downlink subframe (ie, the downlink subframe before the current subframe), the uplink reference signal, and the channel of the previous downlink subframe Channel quality indication (CQI)/channel state information (CSI), a sounding reference signal (SRS) triggered by current subframe control information.
- the uplink data may be carried on a physical uplink shared channel (PUSCH).
- the downlink (DL) subframe contains a DL part.
- the DL part may transmit at least one of the following information: downlink data, downlink control information, and downlink reference signal.
- the downlink data may be carried on a physical downlink shared channel (PDSCH).
- PDSCH physical downlink shared channel
- the S1 subframe includes a DL part and a UL part.
- the DL part may transmit at least one of the following information: downlink data, downlink control information, and downlink reference signal. Downlink data can be carried on the PDSCH.
- the UL part may transmit at least one of the following information: HARQ-ACK/NACK feedback corresponding to the downlink data, HARQ-ACK/NACK feedback corresponding to the previous subframe (ie, the subframe before the current subframe), current/previous subframe CQI/CSI, the SRS triggered by the current subframe control information.
- the S2 subframe includes a DL part and a UL part.
- the DL part may transmit at least one of the following information: PUSCH control information of the current/rear subframe (ie, the subframe after the current subframe), and downlink feedback of the previous uplink subframe (ie, the uplink subframe before the current subframe) , downlink reference signal.
- the UL part may transmit at least one of the following information: uplink HARQ-ACK/NACK feedback of the PUSCH, uplink HARQ-ACK/NACK feedback of the previous downlink subframe, CQI/CSI of the current/previous downlink subframe, current subframe control Information triggered by the SRS.
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- TDMA time division multiple access
- TDMA frequency division multiple access
- OFDMA orthogonal frequency-division multiple access
- single carrier frequency division multiple access single carrier FDMA
- SC-FDMA long term evolution
- SiFi wireless-fidelity
- WiMAX worldwide interoperability for microwave access
- 3GPP 3rd generation partnership project
- the network device can be a base station or the like.
- a base station e.g., an access point
- the base station can refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface.
- the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
- IP Internet Protocol
- the base station can also coordinate attribute management of the air interface.
- the base station may be a base transceiver station (BTS) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B), or a base station type of 3GPP subsequent evolution, such as NR (new radio) in a 5G system, etc., is not limited in this application.
- BTS base transceiver station
- NodeB base station
- NodeB evolved base station in LTE
- eNB evolved base station
- e-NodeB evolutional Node B
- 3GPP subsequent evolution such as NR (new radio) in a 5G system, etc.
- the basic principle of the technical solution provided by the embodiment of the present invention is: the network device performs semi-static configuration on the first partial subframe in a frame, specifically, the information interaction between the network device and the terminal device, and the network device is in a frame.
- the configuration of the subframe type of the first partial subframe is in a frame.
- system and “network” are used interchangeably herein.
- character “/” in this article generally indicates that the contextual object is an “or” relationship.
- plurality refers to two or more.
- the technical solution provided herein is applied to an LTE system, but those skilled in the art should understand that it can also be applied to other systems.
- the technical solution provided by the embodiment of the present invention is applied to the communication between the base station and the terminal device as an example.
- the communication between the various devices in the 5G standard can be extended.
- the 5G standard includes machine-to-machine (M2M), D2M, macro-micro communication, etc. These scenarios may include communication between the terminal device and the terminal device, communication between the base station and the base station, and the base station and the terminal Communication between devices, etc.
- FIG. 2 is a schematic diagram of a subframe configuration method according to an embodiment of the present invention, applied to a TDD communication system, where the method includes S101-S102:
- the network device sends a subframe configuration message to the at least two terminal devices.
- the subframe configuration message carries a subframe type of the first partial subframe of the target frame, and is used to indicate that the at least two terminal devices use the first partial subframe of the target frame.
- the subframe type is configured.
- the triggering condition for performing the S101 on the network device is not limited in the embodiment of the present invention.
- the "at least two terminal devices” may be two terminal devices in the same cell, or may be two adjacent cells (for example, two cells adjacent to the same base station or two cells adjacent to different base stations) Two terminal devices within).
- the "target frame” may be any frame to be configured after the current frame of the network device when performing S101.
- the subframe configuration message may further include an identifier of the target frame, where the identifier of the target frame may be a frame number of the target frame, and the like.
- First partial subframe refers to a partial subframe in a frame (ie, a "frame” that is generally referred to), specifically a subframe at a specific position in one frame.
- the embodiment of the present invention does not limit the number of the subframes in the first part of the subframe, and the location of the subframes.
- the method may be based on the actual application scenario (such as the type of service to be transmitted, the strength of the interference, etc.) Configure it. That is, which subframes in a frame are used as the first partial subframe can be determined according to actual scenarios.
- the position of the subframe refers to the position of the subframe in the frame in which it is located (eg, the third subframe, the fourth subframe, etc.), which may be marked with a subframe number (eg, subframe 2, subframe 3, etc.).
- a subframe number eg, subframe 2, subframe 3, etc.
- the first partial subframes of different frames may be the same or different.
- the first partial subframe of the frame 1 and the first partial subframe of the frame 2 may be: the third subframe and the fourth subframe.
- the first partial subframe of the frame 3 may be: the second subframe, the seventh subframe, and the like.
- the subframe configuration message may not carry the first partial subframe. If the first part of the subframe is determined by the network device and the terminal device according to the protocol, and the network device needs to re-determine the first partial subframe, the subframe configuration message may further carry the identifier of the first partial subframe. Or, if the first partial subframe in the target frame is not predetermined, the subframe configuration message may further carry the identifier of the first partial subframe.
- the embodiment of the present invention does not limit the subframe type of each subframe in the first partial subframe.
- the configuration may be performed according to an actual application scenario.
- the first partial subframe may include, but is not limited to, any of Table 1.
- "*" indicates a subframe type of other subframes other than the first partial subframe (including the second partial subframe hereinafter), which may be a service that the base station actually transmits according to the network.
- Information such as the type and flexibility of configuration; "D" "U” "S1" "S2" indicates the subframe type of the first partial subframe.
- Each terminal device receives a subframe configuration message sent by the network device, and configures, according to the subframe configuration message, a subframe type of the first partial subframe of the target frame, so that any one of the first partial subframes of the target frame is configured.
- the at least two terminal devices perform information transmission in the same direction, and the same direction includes at least one of an uplink direction and a downlink direction.
- the terminal device may reconfigure the subframe type of the first partial subframe of the target frame according to the subframe configuration message.
- the terminal device may further configure the message according to the subframe.
- the first partial subframe in the target frame is re-determined. If the terminal device has not configured the subframe type of the first partial subframe of the target frame, in S102, the terminal device may directly configure the subframe type of the first partial subframe of the target according to the subframe configuration message.
- each of the at least two terminal devices will perform the first partial subframe in the target frame according to the mode 0 in Table 1.
- the subframe type is configured.
- any subframe of the first partial subframe of the target frame all terminal devices perform information transmission in the same direction.
- at least two terminal devices perform downlink transmission in subframe 0.
- the at least two terminal devices can perform downlink information transmission in the first 12 symbols of subframe 0 (assuming a total of 14 symbols), and perform uplink information transmission in the last 2 symbols. Wait.
- the at least two terminal devices perform downlink information transmission in the subframe 0, and perform uplink information transmission in the subframe 1.
- the example of S2 in the mode 3 is similar to this, and will not be described again here.
- the transmitted information may include at least one of data, system information, control information, and the like.
- S103 The network device transmits the public information in the first partial subframe.
- the network device may transmit the uplink common information in the uplink subframe of the first partial subframe.
- the base station receives the uplink sent by the at least one terminal device of the at least two terminal devices in the uplink subframe of the first partial subframe. Public information; or, the network device transmits the downlink common information in the downlink subframe of the first partial subframe, for example, the base station sends the downlink to the at least one terminal device of the at least two terminal devices in the downlink subframe of the first partial subframe Public information, etc.
- the first part of the subframe may be used to transmit other information, for example, the network device transmits the uplink data in the uplink subframe of the first partial subframe, and transmits the downlink data in the downlink subframe of the first partial subframe. And transmitting uplink and downlink data in a special subframe.
- the public information may include, but is not limited to, one or more of the following information: a synchronization signal, a measurement reference signal, a physical random access channel (PRACH) information, and a physical broadcast channel (physical broadcast channel) , PBCH) information, etc.
- the synchronization information includes a primary synchronization signal or a secondary synchronization signal;
- the measurement reference signal refers to a signal used to measure signal performance of the terminal device (eg, signal strength, signal quality, interference intensity of the signal, etc.); : Cell reference signal (CRS), SRS, etc.
- the network device may also transmit other information than the public information in the first partial subframe.
- the subframe type of the partial subframe (that is, the first partial subframe) in the target frame is configured, so that at least two of the subframes of the first partial subframe
- the terminal devices perform information transmission in the same direction, and transmit common information in the first partial subframe; thus, any one of the at least two terminal devices can be in a subframe for transmitting common information, and the other
- the terminal device transmits information in the same direction in the subframe, thereby being able to reduce the prior art because "the direction of information transmission of different terminal devices in the same subframe is opposite"
- the common information transmitted by one of the terminal devices in the subframe may be interfered with by the information of the opposite direction transmitted by the other terminal device in the subframe, so that the receiving end (network device or terminal device) cannot correctly receive the information.
- Public information so that it cannot work with the public information transmitted in the subframe.
- S101-S102 can be replaced by the following steps S1-S2:
- the network device sends a subframe configuration message to all terminal devices in a cluster; the subframe configuration message carries a subframe type of the first partial subframe of the target frame, and is used to indicate that all the terminal devices use the first partial subframe of the target frame.
- Subframe type for configuration
- each terminal device receives a subframe configuration message sent by the network device, and configures a subframe type of the first partial subframe of the target frame according to the subframe configuration message, so that any one of the first partial subframes of the target frame is configured.
- the terminal devices transmit information in the same direction, and the same direction includes at least one of an uplink direction and a downlink direction.
- the one cluster includes one or more cells, and the specific implementation manner of performing clustering on the cells under the base station may refer to the prior art.
- the subframe type of any one of the first partial subframes configured by the network device for all the terminal devices in the same cluster is the same, and any one of the first partial subframes configured for the terminal devices in different clusters is the same.
- the subframe types of the frames may be the same or different.
- the subframe type of any one of the second partial subframes configured by the network device for different terminal devices may be the same or different.
- S101-S103 provides a method for configuring a subframe type for a first partial subframe in a target frame, and the method may further include configuring a subframe type for other subframes other than the first partial subframe in the target frame. Specifically, as shown in FIG. 3, the method may further include the following steps S104-S105:
- the network device sends downlink control information to at least one of the at least two terminal devices, where the downlink control information sent to one terminal device carries a second partial subframe of the target frame configured by the network device for the terminal device.
- the subframe type is used to indicate that the terminal device configures the subframe type of the second partial subframe of the target frame.
- Each terminal device receives downlink control information sent by the network device, and configures a subframe type of the second partial subframe of the target frame according to the downlink control information.
- the network device may send downlink control information by one or more times, so that the one or more downlink control information carries a second partial subframe of the target frame configured for the terminal device.
- the second partial subframe may be part or all of the subframes except the first partial subframe; in the following, all subframes except one of the first partial subframes in one frame are taken as an example for description.
- the downlink control information in S105 may be replaced by: other signaling in the L1 layer, or L2 layer (ie, MAC layer) layer signaling.
- the downlink control information in S104 is generally TTI level, that is, the network device sends downlink control information and the like every other time or by using one or more TTIs.
- the network device may first execute S101-S103, and then execute S104-S105; may also execute S104-S105 first, then perform S101-S103; or may perform S101-S103 and S104-S105 at the same time.
- the network device since the configuration of the subframe type is performed based on the cell level in S101-S103, and the configuration of the subframe type is performed based on the terminal device level in S104-S105, Therefore, preferably, the network device first executes S101-S103 and then executes S104-S105.
- the S101 may include: the network device sends a system message or radio resource control (RRC) signaling or downlink control information to the at least two terminal devices.
- the system message may be a master information block (MIB) message or a system information block (SIB) message.
- MIB master information block
- SIB system information block
- the downlink control information may be downlink control information of a frame level (for example, one frame or multiple frames), that is, the network device sends the downlink one frame or multiple frames. Control information; not downlink control information at the TTI level.
- S102 may include: each terminal device receives a system message or RRC signaling or downlink control information sent by the network device.
- the subframe configuration message may be carried by, but not limited to, any one of the following information combinations:
- Combination 1 The subframe number of the first partial subframe of the target frame, and the subframe type corresponding to the subframe number.
- the subframe configuration message may further carry the number of subframes of the first partial subframe (that is, the first partial subframe).
- the format of the information carried by the subframe configuration message may include, but is not limited to:
- the first part of the subframe n the subframe number xn, the subframe type yn.
- the information carried in the subframe configuration message may be: the number of subframes 1 of the first partial subframe; the first partial subframe 1: subframe 0, D.
- the information carried in the subframe configuration message may be: the number of subframes 2 of the first partial subframe; the first partial subframe 1: the subframe 0, S1; the first partial subframe 2: Frame 1, S2.
- Combination 2 information of the first partial subframe of the target frame indicated by the bitmap, and the subframe type of the first partial subframe of the target frame.
- the subframe type in this optional method may include, but is not limited to, being carried in a subframe configuration message in the form of a list.
- the mode 0 in Table 1 is taken as an example, the subframe
- the information carried in the configuration message may be: 1000000000, D; taking the mode 3 in Table 1 as an example, the information carried in the subframe configuration message may be: 1100000000, S1, S2.
- Combination 3 the subframe number of the first partial subframe of the target frame and the information indicating the subframe type of the first partial subframe of the target frame with a preset number of bits.
- one frame includes 10 subframes
- 4 bits can be used to represent the subframe number in one frame, and it is assumed that 10 subframe numbers in one frame are respectively represented by "0000-1010". If 00 is used to indicate D, 01 means U, 10 means S1, and 11 means S2.
- the information carried in the subframe configuration message may be: 0000, 00.
- the mode 3 in Table 1 is used as an example.
- the information carried in the subframe configuration message may be: 0000. 0001, 10, 11.
- the network device may further determine, according to the total number of subframe types of all subframes included in the frame, the number of bits indicating the subframe type, that is, the preset number. For example, the mode 0 in Table 1 is taken as an example. Since the type of the first partial subframe has one type, if "*" includes two types of U and D, the total number is 2, and then the preset number is 1.
- the subframe configuration message may further carry: the subframe of the second partial subframe of the target frame. And a message indicating a subframe type of the first partial subframe of the target frame of the frame with a preset number of bits.
- the optional mode is especially applicable to a scenario in which the number of the first partial subframes (that is, the first partial subframes) is greater than the number of the second partial subframes (including the second partial subframes).
- the combination 3 above Specific examples will not be described here.
- the network device configures the subframe type of the first partial subframe in one frame.
- the configuration of the subframe type of the first partial subframe may be periodic.
- the method may further include:
- the network device sends a message carrying the frame period T to the at least two terminal devices, to indicate, after receiving the subframe configuration message, the all the terminal devices, for each frame in the nTth frame from the target frame.
- a part of the subframes are configured; wherein T is an integer greater than or equal to 1, and n is an integer greater than or equal to 1.
- S102 specifically includes: after receiving the subframe configuration message, each terminal device configures a first partial subframe of each of the nTth frames from the target frame, so that each of the subframes In any subframe of the first partial subframe of the frame, all terminals perform information transmission in the same direction.
- the message carrying the frame period may be the same message as the subframe configuration message in S101, or may be two independent messages. Preferably, the two are the same message.
- the message may be system message or RRC signaling or downlink control information.
- the subframe type of the second subframe is U
- the subframe type of the third subframe is D.
- the subframe type of the first partial subframe in the non-nthth frame in any one or more frame periods may be the subframe of the first partial subframe in the nTth frame in each frame period.
- the types are the same or different.
- the subframe type of the second subframe of frame 2 may be U
- the subframe type of the third subframe may be S1 or the like.
- This optional implementation can reduce the information interaction between the network device and the terminal device, thereby saving bandwidth.
- the method may further include: the network device sends a synchronization configuration message to the other network device, where the synchronization configuration message carries the subframe type of the first partial subframe of the target frame, to indicate that other network devices are under other network devices.
- the terminal device performs subframe configuration.
- “Other network devices” generally refers to one or more network devices adjacent to the network device.
- multiple network devices can be negotiated, for example, one base station. Actively sending a synchronization configuration message to the neighboring base station, or sending a synchronization configuration message to the neighboring base station at the request of the neighboring base station; then, the neighboring base station may perform subframe configuration for the terminal device under the synchronization configuration message. .
- the optional implementation manner can reduce the difference of the transmission direction of the terminal device in the same sub-frame in the same sub-frame, and the public information transmitted in the sub-frame cannot be received by the receiving end, thereby causing the system Poor performance.
- the embodiment of the present invention further provides a method for indicating a hybrid automatic repeat request (HARQ), which is specifically as follows:
- the method may further include: the network device sends the downlink control information to the at least one of the terminal devices, where the downlink control information sent to the one terminal device carries: the network device is
- the information about the subframe (ie, the uplink feedback subframe) in which the uplink feedback of the physical downlink data channel is located is configured by the terminal device.
- the information may be an identifier of the indicated subframe (for example, a subframe number, an index, or the like), or may be an offset with respect to a certain subframe or the like.
- the information may be subframe n.
- the uplink feedback subframe is subframe n; the information may also be an offset k relative to the current downlink subframe m; in this case, the uplink feedback subframe is a sub- Frame m+k.
- the method may further include: the network device sends downlink control information to at least one of the terminal devices, where the downlink control information sent to the terminal device carries the network device as the
- the information of the subframe (ie, the downlink feedback subframe) in which the downlink feedback of the physical uplink data channel is located is configured by the terminal device.
- the information may be an identifier of the indicated subframe (for example, a subframe number, an index, or the like), or may be an offset with respect to a certain subframe or the like.
- the information may be subframe n.
- the downlink feedback subframe is subframe n; the information may also be an offset k relative to the current downlink subframe m; in this case, the downlink feedback subframe is a sub- Frame m+k.
- FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present invention.
- the network device 4 shown in FIG. 4 is applied to the TDD communication system to perform the action on the network device side in the method shown in FIG. 2 or FIG. 3, and the network device 4 may include a module corresponding to the corresponding step. : Transmitting unit 41.
- the sending unit 41 is configured to send a subframe configuration message to the at least two terminal devices, where the subframe configuration message carries a subframe type of the first partial subframe in the target frame, and is used to indicate the at least two terminal devices.
- the sending unit 41 is further configured to: send downlink control information to at least one of the at least two terminal devices, where the downlink control information sent to one of the terminal devices carries the network device 4 a subframe type of the second partial subframe of the target frame configured by the terminal device, configured to indicate that the terminal device configures a subframe type of the second partial subframe of the target frame, where the second A partial subframe is a partial or all subframes of one frame other than the first partial subframe.
- the sending unit 41 when the sending, by the sending unit 41, the sending of the subframe configuration message to the at least two terminal devices, the sending unit may be configured to: send the system message or the radio resource control RRC signaling or the downlink control information to the at least two terminal devices.
- the subframe configuration message specifically carries: a subframe number of the first partial subframe of the target frame, and a subframe type corresponding to the subframe number; or the target frame indicated by a bitmap manner Information of the first partial subframe, and a subframe type of the first partial subframe of the target frame; or a subframe number of the first partial subframe of the target frame, and a preset number
- the bits indicate information of a subframe type of the first partial subframe of the target frame.
- the sending unit 41 is further configured to: send a message carrying the frame period T to the at least two terminal devices, to indicate that the at least two terminal devices are opposite to the slave after receiving the subframe configuration message.
- the first partial subframe of each of the nTth frames starting from the target frame is configured such that in any one of the first partial subframes of each frame, the at least Two terminal devices perform information transmission in the same direction; where T is an integer greater than or equal to 1, and n is an integer greater than or equal to zero.
- the sending unit 41 is further configured to: send a synchronization configuration message to another network device, where the synchronization configuration message carries a subframe type of the first partial subframe of the target frame, to indicate the other
- the network device performs subframe configuration on the terminal device under the other network device.
- the sending unit 41 is further configured to: send downlink control information to at least one of the at least two terminal devices, where the downlink control information that is sent to one of the terminal devices carries: the network device The information of the subframe in which the uplink feedback of the physical downlink data channel is located, or the subframe in which the network device 4 is configured to indicate the downlink feedback of the physical uplink data channel. information.
- the public information includes at least one of a synchronization signal and a measurement reference signal.
- the sending unit 41 may be a transmitter.
- the network device 4 may further include a receiver, and the transmitter and the receiver may be integrated to form a transceiver.
- the programs corresponding to the actions performed by the network device may be stored in the memory of the network device 4 in software, so that the processor invokes the operations corresponding to the above modules.
- FIG. 5 is a schematic structural diagram of a network device according to an embodiment of the present invention.
- the network device 5 shown in FIG. 5 is applied to a TDD communication system for performing the actions of the network device in any of the methods provided above.
- the network device 5 can include a memory 51, a communication interface 52, a processor 53, and a system bus 54. Communication interface 52 and processor 53 are coupled by said system bus 54.
- the memory 51 is configured to store computer execution instructions, and when the network device 5 is running, the processor 53 executes computer execution instructions stored in the memory 51 to cause the network device 5 to execute FIG. 2 or FIG. 3 above.
- each step in the method flow shown in FIG. 2 or 3 above may be implemented by the processor 53 in hardware form executing a computer-executed instruction in the form of software stored in the memory 51. To avoid repetition, we will not repeat them here.
- the embodiment further provides a storage medium, which may include a memory 51.
- the network device 4 and the network device 5 provided by the embodiments of the present invention can be used to perform the operations performed by the network device in the method interaction diagram shown in FIG. 2 or FIG. 3, so the technical effects that can be obtained can be implemented by referring to the foregoing method. For example, it will not be described here.
- FIG. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
- the terminal device 6 shown in FIG. 6 is applied to the TDD communication system for performing the action on the terminal device side in the method shown in FIG. 2 or FIG. 3, and the terminal device 6 may include a module corresponding to the corresponding step. : receiving unit 61 and configuration unit 62.
- the receiving unit 61 is configured to receive a subframe configuration message that is sent by the network device, where the subframe configuration message carries a subframe type of the first partial subframe of the target frame, where the first partial subframe refers to a specific one of the frames.
- the sub-frame of the location is configured to receive a subframe configuration message that is sent by the network device, where the subframe configuration message carries a subframe type of the first partial subframe of the target frame, where the first partial subframe refers to a specific one of the frames.
- the sub-frame of the location is configured to receive a subframe configuration message that is sent by the network device, where the subframe configuration message carries a subframe type of the first partial subframe of the target frame, where the first partial subframe refers to a specific one of the frames.
- the configuration unit 62 is configured to configure, according to the subframe configuration message, a subframe type of the first partial subframe of the target frame, so that any one of the first partial subframes of the target frame In the frame, the terminal device 6 performs information transmission in the same direction as at least one other terminal device, where the same direction refers to at least one of an uplink direction and a downlink direction.
- the receiving unit 61 is further configured to: receive downlink control information sent by the network device, where the downlink control information carries a second frame of the target frame configured by the network device for the terminal device 6 a subframe type of a partial subframe, the second partial subframe refers to some or all subframes in one frame except the first partial subframe.
- the configuration unit 62 is further configured to: configure, according to the downlink control information, a subframe type of the second partial subframe of the target frame.
- the receiving unit 61 when receiving the subframe configuration message sent by the network device, the receiving unit 61 may be specifically configured to: receive a system message or RRC signaling or downlink control information sent by the network device.
- the subframe configuration message may include: a subframe number of the first partial subframe of the target frame, and a subframe type corresponding to the subframe number; or the target indicated by a bitmap manner Information of the first partial subframe of the frame, and a subframe type of the first partial subframe of the target frame; or a subframe number of the first partial subframe of the target frame, and preset The number of bits indicates information of a subframe type of the first partial subframe of the target frame.
- the receiving unit 61 is further configured to: receive a message that carries the frame period T sent by the network device.
- the configuration unit 62 performs a configuration on the subframe type of the first partial subframe of the target frame according to the subframe configuration message, so that the first partial subframe of the target frame is configured.
- the terminal device 6 when the terminal device 6 performs the information transmission in the same direction as the at least one other terminal device, the terminal device 6 may be configured to: according to the subframe configuration message and the message carrying the frame period T, from the target The first partial sub-frame of each of the nTth frames at the beginning of the frame Row configuration, such that in any one of the first partial subframes of each frame, the terminal device 6 and at least one other terminal device perform information transmission in the same direction; wherein T is greater than or equal to An integer of 1, n is an integer greater than or equal to zero.
- the receiving unit 61 is further configured to: receive downlink control information sent by the network device, where the downlink control information carries: the network device is configured by the terminal device 6 to indicate physical downlink data.
- the network device is configured by the terminal device 6 to indicate physical downlink data.
- the public information includes at least one of the following information: a synchronization signal, and a measurement reference signal.
- the receiving unit 61 may be a receiver.
- the terminal device 6 may further include a transmitter, and the transmitter and the receiver may be integrated to form a transceiver.
- the configuration unit 62 may be embedded in hardware.
- the processor independent of the terminal device 6 it may also be stored in the memory of the terminal device 6 in software, so that the processor calls to perform the operations corresponding to the above respective modules.
- FIG. 7 is a schematic structural diagram of a network device according to an embodiment of the present invention.
- the terminal device 7 shown in FIG. 7 is applied to a TDD communication system for performing the actions of the terminal device in any of the methods provided above.
- the terminal device 7 may include a memory 71, a communication interface 72, a processor 73, and a system bus 74.
- Communication interface 72 and processor 73 are coupled by the system bus 74.
- the memory 71 is configured to store computer execution instructions, and when the terminal device 7 is in operation, the processor 73 executes computer execution instructions stored in the memory 71 to cause the terminal device 7 to perform the actions of the terminal device in the embodiment provided in FIG. 2 or FIG. 3 above. .
- the operations performed by the terminal device can be referred to the related descriptions in the foregoing, and are not described herein again.
- each step in the method flow shown in FIG. 2 or 3 above may be implemented by the processor 73 in hardware form executing a computer-executed instruction in the form of software stored in the memory 71. To avoid repetition, we will not repeat them here.
- the embodiment further provides a storage medium, which may include a memory 71.
- the terminal device 6 and the terminal device 7 provided by the embodiment of the present invention can be used to perform the actions performed by the terminal device in the interaction diagram of the method shown in FIG. 2 or FIG. 3, so the technical effects that can be obtained can be implemented by referring to the foregoing method. For example, it will not be described here.
- the processor in any of the network devices or terminal devices provided above may be a processor or a collective name of multiple processing elements.
- the processor 53 may be a central processing unit (CPU; or other general-purpose processor, digital signal processing (DSP), application specific integrated circuit (ASIC), on-site A field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
- the general purpose processor may be a microprocessor or the processor may be any conventional a processor or the like; or a dedicated processor, the dedicated processor may include at least one of a baseband processing chip, a radio frequency processing chip, etc. Further, the dedicated processor may further include the processor A chip of other dedicated processing functions in a device (such as a network device or a terminal device).
- the memory in any of the network devices or terminal devices provided above may include a volatile memory such as a random-access memory (RAM); and may also include a non-volatile memory ( Non-volatile memory, such as read-only memory (ROM), flash memory, hard disk drive (HDD), or solid-state drive (SSD); A combination of the above types of memories.
- RAM random-access memory
- Non-volatile memory such as read-only memory (ROM), flash memory, hard disk drive (HDD), or solid-state drive (SSD); A combination of the above types of memories.
- the system bus in any of the network devices or terminal devices provided above may include a data bus, a power bus, a control bus, a signal status bus, and the like.
- various buses are illustrated as a system bus.
- the communication interface in any of the network devices or terminal devices provided above may specifically be a transceiver.
- the transceiver can be a wireless transceiver.
- the wireless transceiver can be an antenna or the like.
- the processor communicates with other devices through the communication interface.
- the disclosed system, apparatus, and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
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Abstract
Description
Claims (30)
- 一种子帧配置方法,其特征在于,应用于时分双工TDD通信系统;所述方法包括:网络设备向至少两个终端设备发送子帧配置消息;其中,所述子帧配置消息携带目标帧中的第一部分子帧的子帧类型,用于指示所述至少两个终端设备对所述目标帧的所述第一部分子帧的子帧类型进行配置,以使在所述目标帧的所述第一部分子帧的任一子帧内,所述至少两个终端设备进行相同方向的信息传输;所述相同方向包括上行方向和下行方向中的至少一种;所述第一部分子帧是指一个帧中特定位置的子帧,所述目标帧的所述第一部分子帧用于传输公共信息。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:所述网络设备向所述至少两个终端设备中的至少一个终端设备发送下行控制信息;其中,向一个所述终端设备发送的下行控制信息携带所述网络设备为该终端设备配置的所述目标帧的第二部分子帧的子帧类型,用于指示该终端设备对所述目标帧的所述第二部分子帧的子帧类型进行配置,所述第二部分子帧是一个帧中除所述第一部分子帧之外的部分或全部子帧。
- 根据权利要求1或2所述的方法,其特征在于,所述网络设备向至少两个终端设备发送子帧配置消息,包括:所述网络设备向至少两个终端设备发送系统消息或无线资源控制RRC信令或下行控制信息。
- 根据权利要求1-3任一项所述的方法,其特征在于,所述子帧配置消息具体携带:所述目标帧的所述第一部分子帧的子帧号,以及所述子帧号对应的子帧类型;或,以bitmap方式指示的所述目标帧的所述第一部分子帧的信息,以及所述目标帧的所述第一部分子帧的子帧类型;或,所述目标帧的所述第一部分子帧的子帧号,以及以预设数量的比特位指示所述目标帧的所述第一部分子帧的子帧类型的信息。
- 根据权利要求1-4任一项所述的方法,其特征在于,所述方法还包括:所述网络设备向所述至少两个终端设备发送携带帧周期T的消息,以指示所述至少两个终端设备在接收到所述子帧配置消息之后,对从所述目标帧开始的第nT个帧中的每个帧的所述第一部分子帧进行配置,以使在所述每个帧的所述第一部分子帧的任一子帧内,所述至少两个终端设备进行相同方向的信息传输;其中,T是大于或等于1的整数,n是大于或等于0的整数。
- 根据权利要求1-5任一项所述的方法,其特征在于,所述方法还包括:所述网络设备向其他网络设备发送同步配置消息;其中,所述同步配置消息携带所述目标帧的所述第一部分子帧的子帧类型,以指示所述其他网络设备对所述其他网络设备下的终端设备进行子帧配置。
- 根据权利要求1-6任一项所述的方法,其特征在于,所述方法还包括:所述网络设备向所述至少两个终端设备中的至少一个终端设备发送下行控制信息,其中,发往一个所述终端设备的下行控制信息携带:所述网络设备为该终端设备配置的,指示物理下行数据信道的上行反馈所在的子帧的信息,或者,所述网络设备为该终端设备配置的,指示物理上行数据信道的下行反馈所在的子帧的信息。
- 根据权利要求1-7任一项所述的方法,其特征在于,所述公共信息包括以下信息中的至少一种:同步信号,测量参考信号。
- 一种子帧配置方法,其特征在于,应用于时分双工TDD通信系统,所述方法包括:终端设备接收网络设备发送的子帧配置消息,其中,所述子帧配置消息中携带目标帧的第一部分子帧的子帧类型,所述第一部分子帧是指一个帧中特定位置的子帧;所述终端设备根据所述子帧配置消息对所述目标帧的所述第一部分子帧的子帧类型进行配置,以使在所述目标帧的所述第一部分子帧的任一子帧内,所述终端设备与至少一个其他终端设备进行相同方向的信息传输,所述相同方向是指上行方向和下行方向中的至少一种。
- 根据权利与要求9所述的方法,其特征在于,所述方法还包括:所述终端设备接收所述网络设备发送的下行控制信息;其中,所述下行控制信息携带所述网络设备为所述终端设备配置的所述目标帧的第二部分子帧的子帧类型,所述第二部分子帧是指一个帧中的除所述第一部分子帧之外的部分或全部子帧;所述终端设备根据所述下行控制信息,对所述目标帧的所述第二部分子帧的子帧类型进行配置。
- 根据权利要求9或10所述的方法,其特征在于,所述终端设备接收网络设备发送的子帧配置消息,包括:所述终端设备接收网络设备发送的系统消息或无线资源控制RRC信令或下行控制信息。
- 根据权利要求9-11任一项所述的方法,其特征在于,所述子帧配置消息具体携带:所述目标帧的所述第一部分子帧的子帧号,以及所述子帧号对应的子帧类型;或,以bitmap方式指示的所述目标帧的所述第一部分子帧的信息,以及所述目标帧的所述第一部分子帧的子帧类型;或,所述目标帧的所述第一部分子帧的子帧号,以及以预设数量的比特位指示所述目标帧的所述第一部分子帧的子帧类型的信息。
- 根据权利要求9-12任一项所述的方法,其特征在于,所述方法还包括:所述终端设备接收所述网络设备发送的携带帧周期T的消息;所述终端设备根据所述子帧配置消息对所述目标帧的所述第一部分子帧 的子帧类型进行配置,以使在所述目标帧的所述第一部分子帧的任一子帧内,所述终端设备与至少一个其他终端设备进行相同方向的信息传输,包括:所述终端设备根据所述子帧配置消息和携带帧周期T的消息,对从所述目标帧开始的第nT个帧中的每个帧的所述第一部分子帧进行配置,以使在所述每个帧的所述第一部分子帧的任一子帧内,所述终端设备和至少一个其他终端设备进行相同方向的信息传输;其中,T是大于或等于1的整数,n是大于或等于0的整数。
- 根据权利要求9-13任一项所述的方法,其特征在于,所述方法还包括:所述终端设备接收所述网络设备发送的下行控制信息;其中,所述下行控制信息中携带:所述网络设备为该终端设备配置的,指示物理下行数据信道的上行反馈所在的子帧的信息,或者,所述网络设备为该终端设备配置的,指示物理上行数据信道的下行反馈所在的子帧的信息。
- 根据权利要求9-14任一项所述的方法,其特征在于,所述公共信息包括以下信息中的至少一种:同步信号,测量参考信号。
- 一种网络设备,其特征在于,应用于时分双工TDD通信系统;所述网络设备包括:发送单元,用于向至少两个终端设备发送子帧配置消息;其中,所述子帧配置消息携带目标帧中的第一部分子帧的子帧类型,用于指示所述至少两个终端设备对所述目标帧的所述第一部分子帧的子帧类型进行配置,以使在所述目标帧的所述第一部分子帧的任一子帧内,所述至少两个终端设备进行相同方向的信息传输;所述相同方向包括上行方向和下行方向中的至少一种;所述第一部分子帧是指一个帧中特定位置的子帧,所述目标帧的所述第一部分子帧用于传输公共信息。
- 根据权利要求16所述的网络设备,其特征在于,所述发送单元还用于:向所述至少两个终端设备中的至少一个终端设备发送下行控制信息;其中,向一个所述终端设备发送的下行控制信息携带所述网络设备为该终端设备配置的所述目标帧的第二部分子帧的子帧类型,用于指示该终端设备对所述目标帧的所述第二部分子帧的子帧类型进行配置,所述第二部分子帧是一个帧中除所述第一部分子帧之外的部分或全部子帧。
- 根据权利要求16或17所述的网络设备,其特征在于,所述发送单元在执行向至少两个终端设备发送子帧配置消息时,具体用于:向至少两个终端设备发送系统消息或无线资源控制RRC信令或下行控制信息。
- 根据权利要求16-18任一项所述的网络设备,其特征在于,所述子帧配置消息具体携带:所述目标帧的所述第一部分子帧的子帧号,以及所述子帧号对应的子帧类型;或,以bitmap方式指示的所述目标帧的所述第一部分子帧的信息,以及所述目标帧的所述第一部分子帧的子帧类型;或,所述目标帧的所述第一部分子帧的子帧号,以及以预设数量的比特位指示所述目标帧的所述第一部分子帧的子帧类型的信息。
- 根据权利要求16-19任一项所述的网络设备,其特征在于,所述发送单元还用于:向所述至少两个终端设备发送携带帧周期T的消息,以指示所述至少两个终端设备在接收到所述子帧配置消息之后,对从所述目标帧开始的第nT个帧中的每个帧的所述第一部分子帧进行配置,以使在所述每个帧的所述第一部分子帧的任一子帧内,所述至少两个终端设备进行相同方向的信息传输;其中,T是大于或等于1的整数,n是大于或等于0的整数。
- 根据权利要求16-20任一项所述的网络设备,其特征在于,所述发送单元还用于:向其他网络设备发送同步配置消息;其中,所述同步配置消息携带所述目标帧的所述第一部分子帧的子帧类型,以指示所述其他网络设备对所述其他网络设备下的终端设备进行子帧配置。
- 根据权利要求16-21任一项所述的网络设备,其特征在于,所述发送单元还用于:向所述至少两个终端设备中的至少一个终端设备发送下行控制信息,其中,发往一个所述终端设备的下行控制信息携带:所述网络设备为该终端设备配置的,指示物理下行数据信道的上行反馈所在的子帧的信息,或者,所述网络设备为该终端设备配置的,指示物理上行数据信道的下行反馈所在的子帧的信息。
- 根据权利要求13-22任一项所述的网络设备,其特征在于,所述公共信息包括以下信息中的至少一种:同步信号,测量参考信号。
- 一种终端设备,其特征在于,应用于时分双工TDD通信系统,所述终端设备包括:接收单元,用于接收网络设备发送的子帧配置消息,其中,所述子帧配置消息中携带目标帧的第一部分子帧的子帧类型,所述第一部分子帧是指一个帧中特定位置的子帧;配置单元,用于根据所述子帧配置消息对所述目标帧的所述第一部分子帧的子帧类型进行配置,以使在所述目标帧的所述第一部分子帧的任一子帧内,所述终端设备与至少一个其他终端设备进行相同方向的信息传输,所述相同方向是指上行方向和下行方向中的至少一种。
- 根据权利与要求24所述的终端设备,其特征在于,所述接收单元还用于:接收所述网络设备发送的下行控制信息;其中,所述下行控制信息携带所述网络设备为所述终端设备配置的所述目标帧的第二部分子帧的子帧类型,所述第二部分子帧是指一个帧中的除所述第一部分子帧之外的部分或全部子帧;所述配置单元还用于:根据所述下行控制信息,对所述目标帧的所述第二部分子帧的子帧类型进行配置。
- 根据权利要求24或25所述的终端设备,其特征在于,所述接收单元在执行接收网络设备发送的子帧配置消息时,具体用于:接收网络设备发送的系统消息或无线资源控制RRC信令或下行控制信息。
- 根据权利要求24-26任一项所述的终端设备,其特征在于,所述子帧配置消息具体携带:所述目标帧的所述第一部分子帧的子帧号,以及所述子帧号对应的子帧类型;或,以bitmap方式指示的所述目标帧的所述第一部分子帧的信息,以及所述目标帧的所述第一部分子帧的子帧类型;或,所述目标帧的所述第一部分子帧的子帧号,以及以预设数量的比特位指示所述目标帧的所述第一部分子帧的子帧类型的信息。
- 根据权利要求24-27任一项所述的终端设备,其特征在于,所述接收单元还用于:接收所述网络设备发送的携带帧周期T的消息;所述配置单元在执行根据所述子帧配置消息对所述目标帧的所述第一部分子帧的子帧类型进行配置,以使在所述目标帧的所述第一部分子帧的任一子帧内,所述终端设备与至少一个其他终端设备进行相同方向的信息传输时,具体用于:根据所述子帧配置消息和携带帧周期T的消息,对从所述目标帧开始的第nT个帧中的每个帧的所述第一部分子帧进行配置,以使在所述每个帧的所述第一部分子帧的任一子帧内,所述终端设备和至少一个其他终端设备进行相同方向的信息传输;其中,T是大于或等于1的整数,n是大于或等于0的整数。
- 根据权利要求24-28任一项所述的终端设备,其特征在于,所述接收单元还用于:接收所述网络设备发送的下行控制信息;其中,所述下行控制信息中携带:所述网络设备为所述终端设备配置的,指示物理下行数据信道的上行反馈所在的子帧的信息,或者,所述网络设备为所述终端设备配置的,指示物理上行数据信道的下行反馈所在的子帧的信息。
- 根据权利要求24-29任一项所述的终端设备,其特征在于,所述公共信息包括以下信息中的至少一种:同步信号,测量参考信号。
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- 2017-04-19 EP EP17788690.0A patent/EP3442298B1/en active Active
- 2017-04-19 KR KR1020187033311A patent/KR102227778B1/ko active IP Right Grant
- 2017-04-19 RU RU2018141780A patent/RU2720979C1/ru active
- 2017-04-19 WO PCT/CN2017/081050 patent/WO2017186038A1/zh active Application Filing
- 2017-04-19 AU AU2017255822A patent/AU2017255822B2/en active Active
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CN103220812A (zh) * | 2012-01-20 | 2013-07-24 | 华为技术有限公司 | 确定寻呼子帧的方法、基站和用户设备 |
WO2016044004A1 (en) * | 2014-09-19 | 2016-03-24 | Qualcomm Incorporated | Determination of subframe type for subframes containing discovery signals |
CN105517160A (zh) * | 2014-09-26 | 2016-04-20 | 上海贝尔股份有限公司 | Tdd系统中进行d2d类型1发现资源配置的方法和装置 |
WO2016048100A1 (ko) * | 2014-09-27 | 2016-03-31 | 엘지전자 주식회사 | 무선 통신 시스템에서 신호를 송수신하는 방법 및 이를 수행하는 장치 |
WO2016064196A1 (ko) * | 2014-10-21 | 2016-04-28 | 엘지전자 주식회사 | 무선 통신 시스템에서 d2d 신호 송수신 방법 및 이를 위한 장치 |
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See also references of EP3442298A4 * |
Also Published As
Publication number | Publication date |
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CN107343317A (zh) | 2017-11-10 |
EP3442298A1 (en) | 2019-02-13 |
KR20180132896A (ko) | 2018-12-12 |
CN107343317B (zh) | 2022-12-30 |
BR112018072217A2 (pt) | 2019-02-12 |
KR102227778B1 (ko) | 2021-03-12 |
US11012997B2 (en) | 2021-05-18 |
JP6723378B2 (ja) | 2020-07-15 |
RU2720979C1 (ru) | 2020-05-15 |
AU2017255822A1 (en) | 2018-11-22 |
JP2019520723A (ja) | 2019-07-18 |
US20190069293A1 (en) | 2019-02-28 |
EP3442298A4 (en) | 2019-04-10 |
EP3442298B1 (en) | 2020-10-21 |
AU2017255822B2 (en) | 2020-04-30 |
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