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Wireless data transmission method and device, storage medium and STA

A wireless data transmission and reciprocal value technology, which is applied in the field of communication, can solve the problems of low transmission efficiency and low data transmission efficiency, and achieve the effect of improving data transmission efficiency, improving data transmission flexibility, and maintaining data transmission stability

Active Publication Date: 2020-06-26
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This problem is more serious in the synchronous multi-link system, which is more prone to the problem of lower transmission efficiency
Specifically, 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, the reciprocal value is randomly determined based on the same backoff window, and then the same reciprocal Decrease the step size and perform the reciprocal, so that the smaller available bandwidth (such as 20MHz) or the larger available bandwidth (such as 80MHz) have similar probabilities to be selected for sending wireless data, resulting in the use of smaller available bandwidth , the problem of low data transmission efficiency of the system

Method used

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  • Wireless data transmission method and device, storage medium and STA
  • Wireless data transmission method and device, storage medium and STA
  • Wireless data transmission method and device, storage medium and STA

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Embodiment Construction

[0025] As mentioned above, in the single-link system of the existing wireless data transmission technology, because in the use environment with interference, the usable bandwidth of the transmitting end or the receiving end is often limited due to the existence of interference. In addition, the transmitting end and the The usable bandwidth between receiving ends may also be different. Therefore, there are various bandwidth combinations, so that data is often transmitted with a smaller bandwidth in order to meet the needs of the party with a smaller bandwidth, resulting in lower transmission efficiency. For example, 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 other non-primary channels are all busy, only "Primary20" can be used, and the available bandwidth at this time is 20MHz. When the state of the main 40MHz channel (such as channel 1, 2) i...

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Abstract

The invention discloses a wireless data transmission method and device, a storage medium and an STA. The method comprises the following steps: determining an original back-off window; randomly determining a reciprocal initial value based on the original back-off window, and performing reciprocal by adopting the reciprocal initial value; in each reciprocal time interval, if the state of the main channel is idle, determining an available total bandwidth, and determining a reciprocal reduction step length in the reciprocal time interval according to the available total bandwidth; reducing the step length according to the reciprocal, and obtaining an updated reciprocal value at each reciprocal time interval; and when the updated reciprocal value is less than or equal to zero and the control right of the TXOP is obtained, sending the wireless data by adopting the TXOP. According to the invention, the method can help to improve the probability that a larger available total bandwidth is selected, thereby having an opportunity to employ a higher bandwidth for transmission so as to improve the data transmission efficiency of the system.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a wireless data transmission method and device, storage medium, and STA. Background technique [0002] In the traditional Institute of Electrical and Electronics Engineers 802.11 (Institute of Electrical and Electronics Engineers 802.11, IEEE802.11) protocol, only a single-link system is defined, for example, a wireless local area network (Wireless Local Area Network, WLAN) protocol. With the development of technology, the transmission mode of synchronous multi-link system is discussed in 802.11be. [0003] In wireless data transmission technology, transmission opportunity (Transmission Opportunity, TXOP) competition is an important content of wireless channel access, which consists of an initial time and a maximum duration (TXOP limit). Specifically, the TXOP can be obtained through competition or allocation, and the station that obtains the TXOP can continuou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08
CPCH04W74/085
Inventor 赵育仁徐彦超余庆华
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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