WO2021031925A1 - Signal sending method and apparatus, and storage medium - Google Patents
Signal sending method and apparatus, and storage medium Download PDFInfo
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- WO2021031925A1 WO2021031925A1 PCT/CN2020/108391 CN2020108391W WO2021031925A1 WO 2021031925 A1 WO2021031925 A1 WO 2021031925A1 CN 2020108391 W CN2020108391 W CN 2020108391W WO 2021031925 A1 WO2021031925 A1 WO 2021031925A1
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- 230000005540 biological transmission Effects 0.000 claims abstract description 66
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- 230000008054 signal transmission Effects 0.000 claims description 4
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 24
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
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- This application relates to digital communication transmission technology, such as a signal sending method, device, and storage medium.
- the 5th-Generation mobile communication technology includes the information transmission of licensed spectrum and the information transmission of unlicensed spectrum.
- the information transmission of the unlicensed spectrum before each signal transmission process, especially for the random access process, data transmission process or signaling transmission process, almost all need to "listen before talk (LBT)" "The operation of this mechanism.
- LBT listen before talk
- the contention window (CW) needs to be adjusted during the uplink transmission process.
- the CW adjustment method in the related art only adjusts the CW value based on the time slot in which the signal is sent, and the adjustment method is relatively simple.
- the present application provides a signal sending method, device and storage medium, which can determine the CW value according to the information received in a defined time domain unit, so as to dynamically adjust the CW value more comprehensively and accurately.
- the embodiment of the present application provides a signal sending method, including:
- the first time domain unit is a preset time domain unit or a time period related to the most recent burst transmission burst;
- the CW value is determined according to the state information of the first signal; wherein the state information of the first signal includes demodulation information of the first signal;
- the embodiment of the present application provides a signal sending device, including: a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
- a signal sending device including: a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
- the processor executes the computer program, the implementation is as provided in the embodiment of the present application. Signaling method.
- the embodiment of the present application provides a computer-readable storage medium that stores a computer program.
- the computer program is executed by a processor, the signal sending method provided in the embodiment of the present application is implemented.
- FIG. 1 is a flowchart of a signal sending method provided by an embodiment
- FIG. 2 is a schematic diagram of receiving different information in a communication node according to an embodiment
- FIG. 3 is another schematic diagram of receiving different information in a communication node according to an embodiment
- Fig. 4 is a schematic structural diagram of a signal sending device provided by an embodiment.
- words such as “optionally” or “exemplarily” are used to represent examples, illustrations, or illustrations. Any embodiment or design solution described as “optional” or “exemplary” in the embodiments of the present application should not be construed as being more advantageous than other embodiments or design solutions. To be precise, words such as “optionally” or “exemplary” are used to present related concepts in a specific manner.
- the time delay of each signal is different.
- LAA License Assisted Access
- LTE Long Term Evolution
- NRU New Radio in Unlicensed Spectrum
- an embodiment of the present application provides a signal sending method, as shown in FIG. 1, including the following steps:
- S101 Receive a first signal in a first time domain unit.
- the foregoing receiving process may be receiving the first signal in a first time domain unit
- the first signal is a signal that has been sent by the transmitting end
- the first time domain unit may be a preset time domain unit, for example, a custom A period of time, such as 0.25ms, 0.75ms, 1ms, 2ms or 10ms.
- the first time domain unit may also be a time period related to the most recent burst transmission (burst), for example, it may be one or more mini-slots included in the most recent burst transmission min slot or The time period related to the feedback delay of the slot scheduling information.
- burst a time period related to the most recent burst transmission
- the first time domain unit may be one slot, two slots or multiple slots, one min slot or multiple min slots, or a combination of one slot or multiple slots and one min slot or multiple min slots.
- S102 Determine the CW value according to the state information of the first signal.
- the status information of the first signal includes demodulation information of the first signal, and the demodulation information may be demodulation success or demodulation failure.
- a code block group (Code Block Group, CBG) demodulation state is converted to a transport block (Transport Block, TB) demodulation state.
- CBG Code Block Group
- Transport Block Transport Block
- the demodulation state of this TB is NACK; if all CBGs in a TB are ACK, then the demodulation state of this TB is ACK.
- the proportion of NACK in a TB is greater than a preset threshold (for example, the preset threshold is 1), then the demodulation status of this TB is NACK, otherwise, the demodulation status of this TB is ACK; If the ratio is greater than the preset threshold (for example, the preset threshold is 2), then the demodulation status of this TB is ACK, otherwise, the demodulation status of this TB is NACK.
- an embodiment of the present application provides an implementation manner for determining the CW value according to the state information of the first signal, which is based on the number of transmission blocks that successfully demodulate the first signal and the total number of transmission blocks that are demodulated for the first signal. To determine the CW value.
- the CW value is determined as the smallest CW value in the CW value set.
- the min slot corresponds to 1 TB of NACK, and the slot corresponds to 3 TB of ACK.
- the CW value is determined as the smallest CW value in the CW value set.
- the priority levels include four levels, from level one to level four, and each priority level corresponds to
- the CW value sets are ⁇ 3, 7 ⁇ , ⁇ 7, 15 ⁇ , ⁇ 15, 31, 63 ⁇ , ⁇ 15, 31, 63, 127, 255, 511, 1023 ⁇ .
- the adjusted CW value is the smallest value in the current CW value set, that is, adjusted from 31 to 15.
- the CW value is determined to be not less than the current CW value in the CW value set Or the next allowed value.
- the current priority is three and the current CW value is 63. If the current CW value of 63 is within the allowed range of available times, the CW value will continue to be set to 63. If the current CW value of 63 exceeds the allowed range of available times, the CW value is adjusted to 15. If the current CW value is 31, set the CW value to 63.
- the embodiment of the present application provides an implementation manner for determining the CW value according to the state information of the first signal, which is based on the proportion of the number of transmission blocks that have failed to demodulate the first signal in the total number of transmission blocks that have demodulated the first signal. Determine the CW value.
- the CW value is determined as a value not less than the current CW value or the next allowed value in the CW value set.
- a min slot corresponds to a NACK for 1 TB
- the first min slot in the middle corresponds to a NACK for 1 TB
- the second min slot in the middle corresponds to an ACK for 1 TB
- the middle slot corresponds to 3. TB of ACK.
- (1+1) represents the number of transport blocks that failed to demodulate the first signal, that is, the number of 1 TB corresponding to one min slot and the number of 1 TB corresponding to the first min slot in the middle.
- (1+1+1+3) represents the total number of transport blocks for demodulating the first signal in time domain units.
- the threshold value is 0.2. Since 0.33 is greater than 0.2, the CW value is determined as the value not less than the current CW value or the next allowed value in the CW value set.
- the CW value is adjusted to 1023; if the current CW value is 1023 and the CW value 1023 exceeds the allowable range of available times, the CW value is adjusted to 15; If the current CW value is 1023, which does not exceed the allowed range of available times, continue to set the CW value to 1023.
- the specific value of the threshold value in the embodiment of this application is related to Category4, which is not described in detail in this application.
- the CW value is determined as the smallest CW value in the CW value set.
- the status signal of the first signal may also include time delay information of the first signal.
- the embodiment of the present application provides an implementation manner for determining the CW value according to the state information of the first signal, which is to determine the first weight value according to the number of transmission blocks successfully demodulated for the first signal and the weight of the delay information , And determine the CW value according to the proportion of the first weight value in the total number of transmission blocks demodulated for the first signal.
- the CW value is determined as the smallest CW value in the CW value set.
- different information is received within a 2ms time domain unit defined in the communication node.
- This information comes from a min slot, two min slots in the middle, and a slot in the middle of the latest transmission burst, and is related to each min slot and slot.
- the corresponding time delays are 7ms, 6ms, 6ms and 3ms respectively.
- a min slot corresponds to a NACK for 1 TB
- the first min slot in the middle corresponds to a NACK for 1 TB
- the second min slot in the middle corresponds to an ACK for 1 TB
- the middle slot corresponds to 3. TB of ACK.
- the weights corresponding to the above-mentioned delay information are respectively: the weight corresponding to 7 ms is 0.2, the weight corresponding to 6 ms is 0.3, and the weight corresponding to 3 ms is 0.6.
- the CW value is determined as the value not less than the current CW value in the CW value set or the next allowed value value.
- different information is received in the 4.25ms time domain unit defined in the communication node.
- This information comes from a min slot, two min slots in the middle, and a slot in the middle of the latest transmission burst, and is related to each min slot and
- the delays corresponding to the slot are 8.25ms, 6.125ms, 6.75ms and 3.25ms respectively.
- a min slot corresponds to a NACK for 1 TB
- the first min slot in the middle corresponds to a NACK for 1 TB
- the second min slot in the middle corresponds to an ACK for 1 TB
- the middle slot corresponds to 3. TB of ACK.
- time can be divided into three different stages, and each stage corresponds to a different weight.
- each stage corresponds to a different weight.
- greater than 8ms is a stage, and its corresponding weight is 0.2; greater than 4ms and less than 8ms is a stage, and its corresponding weight is 0.4; less than 4ms is another stage, and its corresponding weight is 0.8.
- the weights corresponding to the above-mentioned delay information are respectively: the weight corresponding to 8.25ms is 0.2, the weight corresponding to 6.125ms and 6.75ms is 0.4, and the weight corresponding to 3.25ms is 0.8.
- the embodiment of the present application provides yet another implementation manner for determining the CW value according to the state information of the first signal:
- the CW value is determined as a value not less than the current CW value or the next allowed value in the CW value set.
- different information is received within a 3ms time domain unit defined in the communication node.
- This information comes from a min slot, two min slots in the middle, and a slot in the middle of the most recent transmission burst, and is related to each min slot and slot.
- the corresponding time delays are 7ms, 6ms, 6ms and 3ms respectively.
- a min slot corresponds to a NACK for 1 TB
- the first min slot in the middle corresponds to a NACK for 1 TB
- the second min slot in the middle corresponds to an ACK for 1 TB
- the middle slot corresponds to 3. TB of ACK.
- the weights corresponding to the above-mentioned delay information are respectively: the weight corresponding to 7 ms is 0.2, the weight corresponding to 6 ms is 0.3, and the weight corresponding to 3 ms is 0.6.
- * represents multiplication and / represents division.
- different information is received in the 4ms time domain unit defined in the communication node.
- This information comes from a min slot, two min slots in the middle, and a slot in the middle of the latest transmission burst, and is related to each min slot and slot.
- the corresponding time delays are 8.25ms, 6.125ms, 6.75ms and 3.25ms respectively.
- a min slot corresponds to a NACK for 1 TB
- the first min slot in the middle corresponds to a NACK for 1 TB
- the second min slot in the middle corresponds to an ACK for 1 TB
- the middle slot corresponds to 3. TB of ACK.
- time can be divided into three different stages, and each stage corresponds to a different weight.
- each stage corresponds to a different weight. For example, greater than 8ms is a stage, and its corresponding weight is 0.6; greater than 4ms and less than 8ms is a stage, its corresponding weight is 0.4; less than 4ms is another stage, and its corresponding weight is 0.2.
- the weights corresponding to the above-mentioned delay information are respectively: the weight corresponding to 8.25ms is 0.6, the weight corresponding to 6.125ms and 6.75ms is 0.4, and the weight corresponding to 3.25ms is 0.2.
- the preset threshold is 0.05
- the CW value is determined as a value not less than the current CW value or the next allowed value in the CW value set.
- the CW value is determined as the smallest CW value in the CW value set.
- the embodiment of the present application provides yet another implementation manner for determining the CW value according to the state information of the first signal.
- the first weighting value is determined according to the number of transmission blocks successfully demodulated for the first signal and the weight of the delay information, and according to Determine the transmission block weight value for the number of transmission blocks demodulated by the first signal and the weight corresponding to each transmission block, and further, determine the CW value according to the proportion of the first weight value in the transmission block weight value.
- the CW value is determined as the smallest CW value in the CW value set.
- different information is received in the 4.25ms time domain unit defined in the communication node.
- the received information comes from a min slot, two min slots in the middle, and a slot in the middle of the most recent transmission burst, and is related to each min slot.
- the corresponding delays of slot are 8.25ms, 6.125ms, 6.75ms and 3.25ms respectively.
- a min slot corresponds to a NACK of 1 TB
- the first min slot in the middle corresponds to a NACK of 1 TB
- the second min slot in the middle corresponds to an ACK of 1 TB
- the slot corresponds to 3 TB of ACK.
- time can be divided into three different stages, and each stage corresponds to a different weight.
- each stage corresponds to a different weight.
- greater than 8ms is a stage, and its corresponding weight is 0.2; greater than 4ms and less than 8ms is a stage, and its corresponding weight is 0.4; less than 4ms is another stage, and its corresponding weight is 0.8.
- the weights corresponding to the above-mentioned delay information are respectively: the weight corresponding to 8.25ms is 0.2, the weight corresponding to 6.125ms and 6.75ms is 0.4, and the weight corresponding to 3.25ms is 0.8.
- the 1 in 1*0.2 represents 1 TB corresponding to NACK in a min slot, and 0.2 represents the weight corresponding to the min slot delay.
- the CW value is determined as a value not less than the current CW value or the next allowed value in the CW value set.
- the target signal can be sent according to the CW value.
- the embodiment of the present application provides a signal sending method.
- the first signal is received in a first time domain unit, the CW value is determined according to the state information of the first signal, and the target signal is sent according to the CW value.
- the unit is a preset time domain unit or a time period related to the most recent burst transmission burst, and the state information of the first signal includes demodulation information of the first signal.
- the CW value is determined according to the state information of the first signal, and the CW value can be dynamically adjusted more comprehensively and accurately.
- FIG. 4 is a schematic structural diagram of a signal sending device provided by an embodiment.
- the device includes a processor 401 and a memory 402; the number of processors 401 in the device may be one or more, as shown in FIG. Take a processor 401 as an example; the processor 401 and the memory 402 in the device may be connected through a bus or other methods. In FIG. 4, the connection through a bus is taken as an example.
- the memory 402 can be used to store software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the signal sending method in the embodiment of FIG. 1 of the present application.
- the processor 401 implements the aforementioned signal sending method by running software programs, instructions, and modules stored in the memory 402.
- the memory 402 may mainly include a program storage area and a data storage area.
- the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the device, and the like.
- the memory 402 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
- An embodiment of the present application also provides a storage medium containing computer-executable instructions.
- the computer-executable instructions are executed by a computer processor, they are used to execute a signal sending method.
- the method includes: receiving the first signal in a first time domain unit.
- a signal wherein the first time domain unit is a preset time domain unit or a time period related to the most recent burst transmission burst, and the CW value is determined according to the state information of the first signal, and the state information of the first signal includes the first signal
- the demodulation information of a signal sends the target signal according to the CW value.
- communication node covers any suitable type of communication node, such as mobile terminals, base stations, and so on.
- the various embodiments of the present application can be implemented in hardware or dedicated circuits, software, logic or any combination thereof.
- some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software that may be executed by a controller, microprocessor or other computing device, although the application is not limited thereto.
- the embodiments of the present application may be implemented by executing computer program instructions by a data processor of a communication node, for example, in a processor entity, or by hardware, or by a combination of software and hardware.
- Computer program instructions can be assembly instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine-related instructions, microcode, firmware instructions, state setting data, or written in any combination of one or more programming languages Source code or object code.
- ISA Instruction Set Architecture
- the block diagram of any logical flow in the drawings of the present application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions.
- the computer program can be stored on the memory.
- the memory can be of any type suitable for the local technical environment and can be implemented by any suitable data storage technology, such as but not limited to read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), optical Memory devices and systems (Digital Video Disc (DVD) or (Compact Disk, CD)), etc.
- Computer-readable media may include non-transitory storage media.
- the data processor can be any type suitable for the local technical environment, such as but not limited to general-purpose computers, special-purpose computers, microprocessors, digital signal processors (Digital Signal Processing, DSP), application specific integrated circuits (ASICs) ), programmable logic devices (Field-Programmable Gate Array, FGPA), and processors based on multi-core processor architecture.
- DSP Digital Signal Processing
- ASICs application specific integrated circuits
- FGPA programmable logic devices
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Abstract
Description
Claims (10)
- 一种信号发送方法,包括:A signal transmission method, including:在第一时域单位内接收第一信号;所述第一时域单位为预设的时域单位或与最近一次突发传输burst相关的时间段。The first signal is received in a first time domain unit; the first time domain unit is a preset time domain unit or a time period related to the most recent burst transmission burst.根据所述第一信号的状态信息确定竞争窗口CW值;其中,所述第一信号的状态信息包括第一信号的解调信息;Determining a contention window CW value according to the state information of the first signal; wherein the state information of the first signal includes demodulation information of the first signal;根据所述CW值发送目标信号。The target signal is sent according to the CW value.
- 根据权利要求1所述的信号发送方法,其中,根据所述第一信号的状态信息确定竞争窗口CW值,包括:The signal sending method according to claim 1, wherein determining the contention window CW value according to the state information of the first signal comprises:根据对第一信号解调成功的传输块的数量在对所述第一信号解调的传输块的总数中的比重,确定CW值。The CW value is determined according to the proportion of the number of transmission blocks that have successfully demodulated the first signal in the total number of transmission blocks that have been demodulated for the first signal.
- 根据权利要求2所述的信号发送方法,其中,根据对第一信号解调成功的传输块的数量在对所述第一信号解调的传输块的总数中的比重,确定CW值,包括:The signal transmission method according to claim 2, wherein the determining the CW value according to the proportion of the number of transmission blocks that have successfully demodulated the first signal in the total number of transmission blocks that have been demodulated for the first signal comprises:在对第一信号解调成功的传输块的数量在对所述第一信号解调的传输块的总数中的比重大于预设门限的情况下,将所述CW值确定为CW值集合中的最小CW值;In the case where the proportion of the number of transmission blocks that successfully demodulates the first signal among the total number of transmission blocks that demodulate the first signal is greater than a preset threshold, the CW value is determined as the CW value set Minimum CW value;或者,在对第一信号解调成功的传输块的数量在对所述第一信号解调的传输块的总数中的比重小于预设门限的情况下,将所述CW值确定为CW值集合中不小于当前CW值的数值或者下一个允许的值。Or, in a case where the proportion of the number of transmission blocks that have successfully demodulated the first signal in the total number of transmission blocks that have been demodulated for the first signal is less than a preset threshold, the CW value is determined as a CW value set The value in which is not less than the current CW value or the next allowed value.
- 根据权利要求1所述的信号发送方法,其中,所述第一信号的状态信息还包括第一信号的时延信息。The signal sending method according to claim 1, wherein the state information of the first signal further includes time delay information of the first signal.
- 根据权利要求4所述的信号发送方法,其中,根据所述第一信号的状态信息确定CW值,包括:The signal sending method according to claim 4, wherein determining the CW value according to the state information of the first signal comprises:根据对第一信号解调成功的传输块的数量和所述第一信号的时延信息的权重,确定第一加权值;Determining the first weighting value according to the number of transmission blocks that have successfully demodulated the first signal and the weight of the delay information of the first signal;根据所述第一加权值在对所述第一信号解调的传输块的总数中的比重,确定CW值。The CW value is determined according to the proportion of the first weighting value in the total number of transmission blocks demodulated for the first signal.
- 根据权利要求4所述的信号发送方法,其中,根据所述第一信号的状态 信息确定CW值,包括:The signal sending method according to claim 4, wherein determining the CW value according to the state information of the first signal comprises:根据对第一信号解调成功的传输块的数量和所述第一信号的时延信息的权重,确定第一加权值;Determining the first weighting value according to the number of transmission blocks that have successfully demodulated the first signal and the weight of the delay information of the first signal;根据对所述第一信号解调的传输块的数量和对所述第一信号解调的传输块对应的权重,确定传输块加权值;Determine a transmission block weight value according to the number of transmission blocks demodulated for the first signal and the weight corresponding to the transmission block demodulated for the first signal;根据所述第一加权值在所述传输块加权值中的比重,确定CW值。Determine the CW value according to the proportion of the first weight value in the transmission block weight value.
- 根据权利要求5所述的信号发送方法,其中,根据所述第一加权值在对所述第一信号解调的传输块的总数中的比重,确定CW值,包括:The signal transmission method according to claim 5, wherein determining the CW value according to the proportion of the first weight value in the total number of transport blocks demodulated for the first signal comprises:在所述第一加权值在对所述第一信号解调的传输块的总数中的比重大于预设门限的情况下,将所述CW值确定为CW值集合中的最小CW值;In the case where the proportion of the first weighting value in the total number of transport blocks demodulated for the first signal is greater than a preset threshold, determining the CW value as the smallest CW value in the CW value set;或者,在所述第一加权值在对所述第一信号解调的传输块的总数中的比重小于预设门限的情况下,将所述CW值确定为CW值集合中不小于当前CW值的数值或者下一个允许的值。Alternatively, in a case where the proportion of the first weight value in the total number of transmission blocks demodulated for the first signal is less than a preset threshold, the CW value is determined to be not less than the current CW value in the CW value set Or the next allowed value.
- 根据权利要求6所述的信号发送方法,其中,根据所述第一加权值在所述传输块加权值中的比重,确定CW值,包括:The signal sending method according to claim 6, wherein determining the CW value according to the proportion of the first weight value in the weight value of the transmission block comprises:在所述第一加权值在所述传输块加权值中的比重大于预设门限的情况下,将所述CW值确定为CW值集合中的最小CW值;In the case where the proportion of the first weight value in the transmission block weight value is greater than a preset threshold, determining the CW value as the smallest CW value in the CW value set;或者,在所述第一加权值在所述传输块加权值中的比重小于预设门限的情况下,将所述CW值确定为CW值集合中不小于当前CW值的数值或者下一个允许的值。Or, in a case where the proportion of the first weight value in the transmission block weight value is less than a preset threshold, the CW value is determined as a value not less than the current CW value in the CW value set or the next allowed value.
- 一种信号发送装置,包括:存储器、处理器,所述处理器设置为执行权利要求1-8中任一项所述的信号发送方法。A signal sending device, comprising: a memory and a processor, the processor being configured to execute the signal sending method according to any one of claims 1-8.
- 一种计算机可读存储介质,存储有计算机程序,所述计算机程序被处理器执行时实现权利要求1-8中任一项所述的信号发送方法。A computer-readable storage medium that stores a computer program, which, when executed by a processor, implements the signal sending method according to any one of claims 1-8.
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CN105517184A (en) * | 2015-12-29 | 2016-04-20 | 北京邮电大学 | High-efficiency contention window adjusting mechanism in high-density radio random access network |
CN106559907A (en) * | 2015-09-24 | 2017-04-05 | 株式会社Ntt都科摩 | Determine method, wireless base station and the mobile station of contention window size |
US20170339588A1 (en) * | 2014-10-31 | 2017-11-23 | Samsung Electronics Co., Ltd. | Method and device for communication using unlicensed band in mobile communication system |
CN108370533A (en) * | 2015-09-14 | 2018-08-03 | 联想创新有限公司(香港) | Contention window size adjustment in a wireless communication system |
CN110536473A (en) * | 2019-08-16 | 2019-12-03 | 中兴通讯股份有限公司 | Signaling method, device and storage medium |
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CN103313421B (en) * | 2013-05-22 | 2016-08-31 | 中国科学院上海微***与信息技术研究所 | Back off algorithm in the media access control protocol of multihop network and wireless sense network |
US10292158B2 (en) * | 2015-05-23 | 2019-05-14 | Qualcomm Incorporated | Techniques for adjusting clear channel assessment (CCA) window for transmissions in a shared radio frequency spectrum band |
CN114422092A (en) * | 2018-09-21 | 2022-04-29 | 北京小米移动软件有限公司 | Method and device for adjusting size of contention window and data sending equipment |
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CN108370533A (en) * | 2015-09-14 | 2018-08-03 | 联想创新有限公司(香港) | Contention window size adjustment in a wireless communication system |
CN106559907A (en) * | 2015-09-24 | 2017-04-05 | 株式会社Ntt都科摩 | Determine method, wireless base station and the mobile station of contention window size |
CN105517184A (en) * | 2015-12-29 | 2016-04-20 | 北京邮电大学 | High-efficiency contention window adjusting mechanism in high-density radio random access network |
CN110536473A (en) * | 2019-08-16 | 2019-12-03 | 中兴通讯股份有限公司 | Signaling method, device and storage medium |
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