WO2021169973A1 - Procédé et appareil de transmission de données sans fil, support de stockage, et sta - Google Patents

Procédé et appareil de transmission de données sans fil, support de stockage, et sta Download PDF

Info

Publication number
WO2021169973A1
WO2021169973A1 PCT/CN2021/077564 CN2021077564W WO2021169973A1 WO 2021169973 A1 WO2021169973 A1 WO 2021169973A1 CN 2021077564 W CN2021077564 W CN 2021077564W WO 2021169973 A1 WO2021169973 A1 WO 2021169973A1
Authority
WO
WIPO (PCT)
Prior art keywords
reciprocal
time interval
wireless data
step size
data transmission
Prior art date
Application number
PCT/CN2021/077564
Other languages
English (en)
Chinese (zh)
Inventor
赵育仁
徐彦超
余庆华
Original Assignee
展讯通信（上海）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 展讯通信（上海）有限公司 filed Critical 展讯通信（上海）有限公司
Publication of WO2021169973A1 publication Critical patent/WO2021169973A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance

Definitions

  • the present invention relates to the field of communication technology, in particular to a wireless data transmission method and device, storage medium, and STA.
  • TXOP competition is an important content of wireless channel access, which is composed of an initial time and a maximum duration (TXOP limit).
  • TXOP limit a maximum duration
  • the TXOP can be obtained through competition or allocation, and the station that obtains the TXOP can continuously use the channel to transmit multiple data frames within the TXOP limit time without having to compete for the channel again.
  • the usable bandwidth of the sender or receiver is often limited due to interference.
  • the usable bandwidth between the sender and receiver may be different. Therefore, there are many Bandwidth combination often uses smaller bandwidth to transmit data in order to meet the needs of the smaller bandwidth party, resulting in lower transmission efficiency.
  • Primary20, Primary40, Primary80 or other bandwidths can be used respectively.
  • the status of the primary channel for example, a 20MHz channel
  • the status of the remaining non-primary channels are all busy
  • only "Primary20" can be used, and the available bandwidth at this time is 20MHz.
  • the primary channel for example, a 40MHz channel
  • the status of the remaining non-primary channels are all busy
  • only "Primary40” can be used, and the available bandwidth at this time is 40MHz.
  • the status of the primary channel for example, an 80MHz channel
  • only "Primary80” can be used, and the available bandwidth at this time is 80MHz .
  • the technical problem solved by the present invention is to provide a wireless data transmission method and device, storage medium, and STA, which can help increase the probability that a larger total available bandwidth is selected, so that there is an opportunity to use higher bandwidth transmission to improve system performance. Data transmission efficiency.
  • an embodiment of the present invention provides a wireless data transmission method, including the following steps: determining an original back-off window; based on the original back-off window, randomly determining an initial value of the reciprocal, and using the initial value of the reciprocal to perform the reciprocal; In each reciprocal time interval, if the status of the main channel is idle, the total available bandwidth is determined, and the reciprocal reduction step in the reciprocal time interval is determined according to the total available bandwidth; the step is reduced according to the reciprocal, An updated reciprocal value is obtained at each reciprocal time interval; when the updated reciprocal value is less than or equal to zero and the control right of the TXOP is obtained, the wireless data is sent using the TXOP.
  • determining the reciprocal reduction step in the reciprocal time interval according to the available total bandwidth includes: the larger the available total bandwidth, the larger the reciprocal reduction step in the reciprocal time interval.
  • the reciprocal reduction step size has a linear relationship with the total available bandwidth.
  • the reciprocal reduction step size and the available total bandwidth satisfy one or more of the following: if the available total bandwidth is 20 MHz, the reciprocal reduction step size is 0.5; if the available total bandwidth is 40 MHz, the reciprocal reduction step size is 1; if the available total bandwidth is 60 MHz, the reciprocal reduction step size is 1.5; if the available total bandwidth is 80 MHz, the reciprocal reduction step size is 2.
  • the reciprocal reduction step size is selected from an integer and a non-integer.
  • the reciprocal reduction step size is selected from 0.1 to 5.
  • reducing the step size according to the reciprocal of the reciprocal time interval, and obtaining the updated reciprocal value at each reciprocal time interval includes: at each reciprocal time interval, subtracting the reciprocal value obtained from the previous reciprocal time interval The reciprocal of the reciprocal time interval is reduced by the step size to obtain the updated reciprocal value.
  • an embodiment of the present invention provides a wireless data transmission device, including: an original window determining module, adapted to determine the original back-off window; an initial value determining module for the reciprocal, adapted to randomly determine the reciprocal based on the original back-off window The initial value, and the reciprocal initial value is used for the reciprocal; the available total bandwidth determining module is suitable for determining the available total bandwidth at each reciprocal time interval if the state of the main channel is idle, and determining the available total bandwidth according to the available total bandwidth Decrease the step length at the reciprocal of the reciprocal time interval; the reciprocal value determining module is adapted to reduce the step size according to the reciprocal of the reciprocal time interval, and obtain the updated reciprocal value at each reciprocal time interval; the sending module is suitable for when When the updated reciprocal value is less than or equal to zero and the control right of the TXOP is obtained, the TXOP is used to send the wireless data.
  • an embodiment of the present invention provides a storage medium on which computer instructions are stored, and the steps of the wireless data transmission method are executed when the computer instructions are executed.
  • an embodiment of the present invention provides an STA, including a memory and a processor, the memory stores computer instructions that can run on the processor, and the processor executes when the computer instructions are executed. The steps of the above-mentioned wireless data transmission method.
  • the original back-off window is determined; based on the original back-off window, the reciprocal initial value is randomly determined, and the reciprocal initial value is used for the reciprocal; at each reciprocal time interval, if the state of the main channel is idle, Then determine the available total bandwidth, and determine the reciprocal reduction step size in the reciprocal time interval according to the available total bandwidth; reduce the step size according to the reciprocal number, and obtain the updated reciprocal value at each reciprocal time interval; When the updated reciprocal value is less than or equal to zero and the control right of the TXOP is obtained, the TXOP is used to send the wireless data.
  • the solution of the embodiment of the present invention may have the opportunity to increase the larger available total bandwidth (such as 80 MHz). The probability of selection, thereby having the opportunity to use higher bandwidth transmission to improve the data transmission efficiency of the system.
  • the greater the total available bandwidth the greater the reduction step size of the reciprocal of the reciprocal time interval.
  • the larger the available total bandwidth has a larger reciprocal to reduce the step size, and improve the comparison.
  • the probability that a large available total bandwidth (such as 80MHz) is selected, so that there is an opportunity to use higher bandwidth transmission to improve the data transmission efficiency of the system.
  • the reciprocal reduction step size has a linear relationship with the total available bandwidth.
  • the probability that a larger available total bandwidth (such as 80 MHz) is selected can be uniformly increased, thereby improving the data transmission of the system. At the same time of efficiency, the stability of data transmission of the system is maintained.
  • the reciprocal reduction step size is selected from integer and non-integer. Compared with the prior art, it can only be selected from a fixed integer value.
  • the solution of the embodiment of the present invention can improve the system While improving the data transmission efficiency, it also improves the data transmission flexibility of the system.
  • Figure 1 is a flowchart of a wireless data transmission method in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the relationship between the available total bandwidth and the reciprocal reduction step size in an embodiment of the present invention
  • Fig. 3 is a schematic structural diagram of a wireless data transmission device in an embodiment of the present invention.
  • the usable bandwidth of the transmitting end or the receiving end is often limited due to the existence of interference in the use environment with interference.
  • the transmitting end and the The usable bandwidth between the receiving ends may also be different. Therefore, there are multiple bandwidth combinations, which often results in the use of smaller bandwidth to transmit data in order to meet the needs of the smaller bandwidth party, resulting in lower transmission efficiency.
  • Primary20, Primary40, Primary80 or other bandwidths can be used respectively. Among them, when the state of the primary 20MHz channel (such as channel 1) is idle and the states of the other non-primary channels are all busy, only "Primary20" can be used, and the available bandwidth at this time is 20MHz.
  • the inventor of the present invention has discovered through research that in the prior art, in a synchronous multi-link system, no matter whether the wireless data transmission bandwidth parameter (such as the latest wireless data transmission bandwidth) is too large or too small, it is based on the same backoff.
  • the window randomly determines the actual reciprocal value, so that the smaller available bandwidth (such as 20MHz) or the larger available total bandwidth (such as 80MHz) has a similar probability of being selected for sending wireless data, which in turn leads to the use of smaller available bandwidths.
  • the original back-off window is determined; based on the original back-off window, the reciprocal initial value is randomly determined, and the reciprocal initial value is used for the reciprocal; at each reciprocal time interval, if the state of the main channel is idle, Then determine the available total bandwidth, and determine the reciprocal reduction step size in the reciprocal time interval according to the available total bandwidth; reduce the step size according to the reciprocal number, and obtain the updated reciprocal value at each reciprocal time interval; When the updated reciprocal value is less than or equal to zero and the control right of the TXOP is obtained, the TXOP is used to send the wireless data.
  • the upper limit of the actual backoff window can be adjusted, so that when the actual reciprocal value is randomly determined based on the actual backoff window, there is an opportunity to set different wireless data transmission bandwidths
  • the parameters have different window upper limit offsets, and after the actual reciprocal value is randomly determined based on the actual backoff window, it helps to increase the probability that a larger available total bandwidth (such as 80MHz) is selected, so that there is a chance to adopt higher Bandwidth transmission to improve the data transmission efficiency of the system.
  • FIG. 1 is a flowchart of a wireless data transmission method in an embodiment of the present invention.
  • the wireless data transmission method may be used in a station (Station, STA), and may include step S11 to step S15:
  • Step S11 Determine the original back-off window
  • Step S12 Based on the original backoff window, randomly determine an initial value of the reciprocal, and use the initial value of the reciprocal to perform the reciprocal;
  • Step S13 In each countdown time interval, if the status of the main channel is idle, determine the total available bandwidth, and determine the reciprocal reduction step in the countdown time interval according to the total available bandwidth;
  • Step S14 Decrease the step size according to the reciprocal, and obtain an updated reciprocal value at each reciprocal time interval;
  • Step S15 When the updated reciprocal value is less than or equal to zero and the control right of the TXOP is obtained, the wireless data is sent using the TXOP.
  • step S11 an appropriate method may be adopted to determine the original backoff window.
  • the step of the STA obtaining the control right of the TXOP via the TXOP competition may include: randomly determining the reciprocal initial value from the back-off window.
  • the original back-off window may be determined by the manner of determining the back-off window in the prior art.
  • step S12 the reciprocal method in the prior art may be adopted, based on the original backoff window, the initial value of the reciprocal is randomly determined, and the initial value of the reciprocal is used for the reciprocal.
  • step S13 at each backoff interval, when the state of the main channel (for example, 20MHz) is idle, the total available bandwidth is determined, and the available total bandwidth is determined to be in the inverse
  • the reciprocal of the time interval reduces the step size.
  • the available total bandwidth (Available Total Bandwidth, ATBW) is used to indicate the available total bandwidth that can be used if the STA sends data after the countdown time interval.
  • the total available bandwidth can be regarded as the available bandwidth of a link, for example, the available bandwidth of the single link; if the wireless data transmission When the method is used for multi-link data transmission, the total available bandwidth can be regarded as the sum of the available bandwidth of multiple links.
  • the step of determining the reciprocal reduction step size in the reciprocal time interval according to the available total bandwidth may include: the larger the available total bandwidth, the larger the reciprocal reduction step size in the reciprocal time interval.
  • the step size can be reduced by having a larger total available bandwidth with a larger reciprocal, so that it is easier to count down to zero with a smaller number of reciprocals, that is, when multiple STAs with different transmission bandwidths are in When competing for channels, increase the probability that STAs with a larger total available bandwidth (such as 80 MHz) will successfully compete for the channel, so that the system has a higher chance to use higher bandwidth transmission to improve the data transmission efficiency of the system.
  • a larger total available bandwidth such as 80 MHz
  • the reciprocal reduction step size may have a linear relationship with the total available bandwidth.
  • the reciprocal reduction step size by setting the reciprocal reduction step size to have a linear relationship with the total available bandwidth, the probability that a larger total available bandwidth (such as 80MHz) is selected can be uniformly increased, thereby improving the data transmission of the system. At the same time of efficiency, the stability of data transmission of the system is maintained.
  • the reciprocal reduction step size can be selected from an integer and a non-integer.
  • the reciprocal reduction step length is fixed to 1, and in the embodiment of the present invention, the reciprocal reduction step length can be set to other values than 1, that is, it can include non-integer numbers.
  • the reciprocal reduction step size may be selected from 0.1 to 5.
  • the reciprocal reduction step size is selected from an integer and a non-integer. Compared with the prior art, it can only be selected from a fixed integer value.
  • the solution of the embodiment of the present invention can improve the data of the system. While transmitting efficiency, improve the data transmission flexibility of the system.
  • FIG. 2 is a schematic diagram of the relationship between the available total bandwidth and the reciprocal reduction step size in an embodiment of the present invention.
  • the reciprocal reduction step size and the available total bandwidth satisfy one or more of the following: if the available total bandwidth is 20 MHz, the reciprocal reduction step size is 0.5; if the available total bandwidth is 40 MHz , The reciprocal reduction step size is 1; if the available total bandwidth is 60 MHz, the reciprocal reduction step size is 1.5; if the available total bandwidth is 80 MHz, the reciprocal reduction step size is 2.
  • the specific value of the reciprocal reduction step size is not limited. For example, in another specific application, if the total available bandwidth is 20MHz, the reciprocal reduction step size is 0.4; if the total available bandwidth is 40MHz, the reciprocal reduction step size is 0.8; if the If the total available bandwidth is 60MHz, the reciprocal reduction step size is 1.2; if the total available bandwidth is 80MHz, the reciprocal reduction step size is 1.6; in another specific application, if the total available bandwidth is 20MHz, the reciprocal reduction step size is 1; if the total available bandwidth is 40MHz, the reciprocal reduction step size is 2; if the total available bandwidth is 60MHz, the reciprocal reduction step size is 3; If the total available bandwidth is 80 MHz, the reciprocal reduction step size is 4.
  • the step size may be reduced according to the reciprocal number, and the updated reciprocal value can be obtained at each reciprocal time interval.
  • the step of obtaining the updated reciprocal value at each reciprocal time interval may include: at each reciprocal time interval, subtracting the reciprocal value obtained from the previous reciprocal time interval Decrease the step size at the reciprocal of the reciprocal time interval to obtain the updated reciprocal value.
  • each reciprocal time interval when the state of the main channel (for example, 20 MHz) is idle, the reciprocal value is calculated and the current reciprocal reduction step is successively subtracted to obtain the updated reciprocal value.
  • the reciprocal reduction step is determined according to the current total available bandwidth.
  • step S15 when the updated reciprocal value is less than or equal to zero, and the control right of the TXOP is obtained, the TXOP is used to send the wireless data.
  • the control right of the TXOP is immediately obtained, and the TXOP is used to send the wireless data.
  • the TXOP can be used to send the wireless data according to an appropriate conventional manner.
  • the reciprocal reduction step size may be a non-integer or an integer greater than 1, it may happen that the updated reciprocal value is less than zero.
  • the reciprocal reduction step size is 0.5; if the available total bandwidth is 40 MHz, the reciprocal reduction step size is 1. ; It may appear that after a certain update, the reciprocal value is 0.5. In the next reciprocal time interval, if the state of the main channel is idle and the total available bandwidth is determined to be 40MHz, the reciprocal reduction step is 1 , Get -0.5, which is less than zero.
  • the updated value is obtained at each reciprocal time interval. Reciprocal value, so that there is an opportunity to use different reciprocals to reduce the step length.
  • the fixed reciprocal number is used to reduce the step length.
  • the wireless data transmission method may further include: if the updated reciprocal value is less than zero, recording the updated reciprocal value as zero.
  • the updated reciprocal value is recorded as 0, which can avoid the actual occurrence of a negative number, because in the prior art only the updated reciprocal value
  • the wireless data is sent using the TXOP, and the solution of the embodiment of the present invention is adopted to improve the consistency and adaptability with the prior art.
  • the wireless data transmission method may be executed by the user equipment. Specifically, it may be executed by the baseband chip in the user equipment, or executed by a chip module containing the baseband chip in the user equipment.
  • FIG. 3 is a schematic structural diagram of a wireless data transmission device in an embodiment of the present invention.
  • the wireless data transmission apparatus may be used for STA, and may also include:
  • the original window determining module 31 is adapted to determine the original back-off window
  • the reciprocal initial value determining module 32 is adapted to randomly determine the reciprocal initial value based on the original back-off window, and use the reciprocal initial value to perform the reciprocal;
  • the total available bandwidth determining module 33 is adapted to determine the total available bandwidth if the status of the main channel is idle at each countdown time interval, and determine the reciprocal reduction step in the countdown time interval according to the total available bandwidth;
  • the reciprocal value determining module 34 is adapted to reduce the step size according to the reciprocal of the reciprocal time interval, and obtain an updated reciprocal value at each reciprocal time interval;
  • the sending module 35 is adapted to use the TXOP to send the wireless data when the updated reciprocal value is less than or equal to zero and the control right of the TXOP is obtained.
  • the above-mentioned wireless data transmission device may correspond to a chip with data processing function in user equipment, such as a baseband chip; or correspond to a chip module including a chip with data processing function in user equipment, or correspond to a user equipment .
  • the embodiment of the present invention also provides a storage medium on which computer instructions are stored, and the steps of the above-mentioned wireless data transmission method are executed when the computer instructions are executed.
  • the storage medium may be a computer-readable storage medium, for example, it may include non-volatile memory (non-volatile) or non-transitory (non-transitory) memory, and may also include optical disks, mechanical hard drives, solid state hard drives, and the like.
  • the processor may be a central processing unit (central processing unit, CPU for short), and the processor may also be other general-purpose processors or digital signal processors (DSP for short). ), application specific integrated circuit (ASIC for short), field programmable gate array (FPGA for short) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (read-only memory, ROM for short), programmable read-only memory (programmable ROM, PROM for short), erasable PROM (EPROM for short) , Electrically Erasable Programmable Read-Only Memory (EPROM, EEPROM for short) or flash memory.
  • the volatile memory may be a random access memory (random access memory, RAM for short), which is used as an external cache.
  • random access memory random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous Dynamic random access memory
  • DDR SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM Synchronously connect dynamic random access memory
  • DRAM direct memory bus random access memory
  • DR RAM direct rambus RAM
  • An embodiment of the present invention also provides an STA, including a memory and a processor, the memory stores computer instructions that can run on the processor, and the processor executes the above wireless data transmission when the computer instructions are executed. Method steps.
  • modules/units contained in the various devices and products described in the above embodiments may be software modules/units, hardware modules/units, or part of software modules/units, and part of It is a hardware module/unit.
  • the various modules/units contained therein can be implemented in the form of hardware such as circuits, or at least part of the modules/units can be implemented in the form of software programs. Runs on the integrated processor inside the chip, and the remaining (if any) part of the modules/units can be implemented by hardware methods such as circuits; for each device and product applied to or integrated in the chip module, the modules/units contained therein can be All are implemented by hardware such as circuits. Different modules/units can be located in the same component (such as a chip, circuit module, etc.) or different components of the chip module, or at least part of the modules/units can be implemented by software programs.
  • the software program runs on the processor integrated inside the chip module, and the remaining (if any) part of the modules/units can be implemented by hardware methods such as circuits; for each device and product applied to or integrated in the terminal, the modules contained therein
  • the modules/units can all be implemented by hardware such as circuits, and different modules/units can be located in the same component (for example, chip, circuit module, etc.) or different components in the terminal, or at least part of the modules/units can be implemented in the form of software programs Implementation, the software program runs on the processor integrated inside the terminal, and the remaining (if any) part of the modules/units can be implemented by hardware such as circuits.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil de transmission de données sans fil, un support de stockage et une STA. Ledit procédé comprend les étapes consistant à : déterminer une fenêtre de repli d'origine ; sur la base de la fenêtre de repli d'origine, déterminer de manière aléatoire une valeur initiale de repli, et effectuer un repli en utilisant la valeur initiale de repli ; à chaque intervalle de repli, si l'état d'un canal primaire est au repos, déterminer une largeur de bande totale disponible, et déterminer, en fonction de la largeur de bande totale disponible, une taille d'étape de réduction de repli au niveau de l'intervalle de repli ; obtenir une valeur de repli mise à jour à chaque intervalle de repli en fonction de la taille d'étape de réduction de repli ; et lorsque la valeur de repli mise à jour est inférieure ou égale à zéro et que le droit de commande d'une TXOP est obtenu, utiliser la TXOP pour transmettre les données sans fil. La présente invention peut faciliter l'augmentation de la probabilité qu'une largeur de bande totale disponible plus grande soit sélectionnée, ce qui permet d'avoir l'opportunité d'utiliser une largeur de bande plus élevée pour une transmission pour augmenter l'efficacité de transmission de données d'un système.
PCT/CN2021/077564 2020-02-28 2021-02-24 Procédé et appareil de transmission de données sans fil, support de stockage, et sta WO2021169973A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010131978.7A CN111343729B (zh) 2020-02-28 2020-02-28 无线数据传输方法及装置、存储介质、站点
CN202010131978.7 2020-02-28

Publications (1)

Publication Number Publication Date
WO2021169973A1 true WO2021169973A1 (fr) 2021-09-02

Family

ID=71187178

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/077564 WO2021169973A1 (fr) 2020-02-28 2021-02-24 Procédé et appareil de transmission de données sans fil, support de stockage, et sta

Country Status (2)

Country Link
CN (1) CN111343729B (fr)
WO (1) WO2021169973A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111343729B (zh) * 2020-02-28 2022-04-22 展讯通信（上海）有限公司 无线数据传输方法及装置、存储介质、站点

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007103619A2 (fr) * 2006-03-01 2007-09-13 Motorola, Inc. Procédé et système pour sélectionner une fenêtre d'attente dans des réseaux de communication
CN107864698A (zh) * 2015-07-10 2018-03-30 高通股份有限公司 用于超额传输机会时间的补偿
US20180146476A1 (en) * 2015-05-20 2018-05-24 Lg Electronics Inc. Method for performing random access in wireless lan system and device for same
US20180167976A1 (en) * 2016-12-12 2018-06-14 Qualcomm Incorporated Wireless medium access operations
CN110234172A (zh) * 2019-05-08 2019-09-13 腾讯科技（深圳）有限公司 一种数据传输的方法、接入类别创建的方法及装置
CN111343729A (zh) * 2020-02-28 2020-06-26 展讯通信（上海）有限公司 无线数据传输方法及装置、存储介质、sta

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015009878A1 (fr) * 2013-07-17 2015-01-22 Mediatek Singapore Pte. Ltd. Procédés d'accès préférentiel à des canaux à large bande dans des réseaux locaux sans fil
KR102550764B1 (ko) * 2014-05-26 2023-07-04 주식회사 윌러스표준기술연구소 광대역 링크 설정을 위한 무선 통신 방법 및 무선 통신 장치
US9999069B2 (en) * 2016-03-31 2018-06-12 Qualcomm Incorporated MU-MIMO dynamic bandwidth selection

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007103619A2 (fr) * 2006-03-01 2007-09-13 Motorola, Inc. Procédé et système pour sélectionner une fenêtre d'attente dans des réseaux de communication
US20180146476A1 (en) * 2015-05-20 2018-05-24 Lg Electronics Inc. Method for performing random access in wireless lan system and device for same
CN107864698A (zh) * 2015-07-10 2018-03-30 高通股份有限公司 用于超额传输机会时间的补偿
US20180167976A1 (en) * 2016-12-12 2018-06-14 Qualcomm Incorporated Wireless medium access operations
CN110234172A (zh) * 2019-05-08 2019-09-13 腾讯科技（深圳）有限公司 一种数据传输的方法、接入类别创建的方法及装置
CN111343729A (zh) * 2020-02-28 2020-06-26 展讯通信（上海）有限公司 无线数据传输方法及装置、存储介质、sta

Also Published As

Publication number Publication date
CN111343729B (zh) 2022-04-22
CN111343729A (zh) 2020-06-26

Similar Documents

Publication Publication Date Title
US10278093B2 (en) Method, apparatus, and system for QoS parameter configuration in WLAN
US11071168B2 (en) Multi-station access method, apparatus, and system
US9560548B2 (en) Dynamic adjustment of a wireless network media access control parameter
EP3294036B1 (fr) Procédé et dispositif d'accès à un canal
US9807802B2 (en) Method and device for adjusting contention window value adaptively
US7286551B2 (en) Media access control device guaranteeing communication quality in wireless LAN for VoIP
US20100040033A1 (en) Reverse direction grant (rdg) for wireless network technologies subject to coexistence interference
US8582550B2 (en) Bounded power-save-polling (BPS)
KR20050115253A (ko) 무선 네트워크에서의 서비스 품질 차별화 방법 및 무선장치
US11937294B2 (en) Communication method, apparatus, computer-readable medium and electronic device
WO2021027822A1 (fr) Procédé et appareil destinés à utiliser la durée de traitement d'un pdsch
JP2008270854A (ja) 無線通信方法、及び無線通信システム
WO2021169973A1 (fr) Procédé et appareil de transmission de données sans fil, support de stockage, et sta
US9924407B2 (en) Contention adjustment method, apparatus, and system in wireless local area network
WO2021164628A1 (fr) Procédé et appareil de transmission sans fil de données, et support de stockage, point d'accès sans fil et station de base
JP6283879B2 (ja) 無線通信装置、ｃｗ最大値取得装置、ｃｗ最大値取得方法、及びプログラム
WO2021129330A1 (fr) Procédé et dispositif de transmission de données sans fil, support d'informations et terminal
KR20130085506A (ko) 무선 근거리통신망에서 ａ-ｍｐｄｕ 전송 방법
WO2020057623A1 (fr) Procédé d'accès aléatoire, dispositif de terminal et dispositif de réseau
CN111432501B (zh) 无线数据发送方法及装置、存储介质、sta
CN111132202B (zh) 无线数据传输方法及装置、存储介质、sta
CN110933713B (zh) 一种工业无线传感器网络的通信实现方法
WO2022134950A1 (fr) Procédé et appareil de transmission de données à plusieurs porteuses, et support de stockage, terminal, station de base et ap
WO2021013260A1 (fr) Procédé et appareil de commande de transmission de réseau
WO2022089643A1 (fr) Procédé d'ajustement d'un paramètre d'accès à un canal distribué amélioré d'une application en temps réel, et dispositif de communication

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21761242

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21761242

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 21761242

Country of ref document: EP

Kind code of ref document: A1