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Data transmission method and STA (station)

A data transmission method and quantitative technology, applied in the field of communication, can solve problems such as enhancing network throughput, distinguishing, and being unable to effectively improve the efficiency of channel resource usage

Inactive Publication Date: 2017-09-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the above method, the first STA judges whether it can participate in concurrent transmission through the interference threshold value, that is, the probability value of the first STA’s participation in concurrent transmission is only 0 and 1, and it is impossible to finely distinguish the STA according to the interference intensity. The probability value of the first STA’s participation in concurrent transmission, resulting in the inability to effectively improve the use efficiency of channel resources and enhance network throughput

Method used

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  • Data transmission method and STA (station)
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  • Data transmission method and STA (station)

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Embodiment Construction

[0068] Embodiments of the present application provide a data transmission method and a station, which are used to effectively increase the probability that stations with low interference intensity participate in concurrent transmission, thereby effectively improving the use efficiency of channel resources and enhancing network throughput.

[0069] The current access control mode of wireless medium resources mainly adopts the DCF mode. In the DCF mode, the occupancy of the wireless medium, that is, the wireless channel, adopts a competition mechanism based on CSMA / CA. Before sending data, the STA first monitors the channel status. If the channel continues to be idle for a period of time, it will perform random backoff. If the channel is still idle after the backoff, it will finally start data transmission.

[0070] see figure 1 In the concurrent transmission mode shown, in the prior art, the second STA that is communicating sets the interference threshold and broadcasts it to ...

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Abstract

The embodiment of the present application discloses a data transmission method and a station STA, which are used to effectively increase the probability that stations with low interference degree participate in concurrent transmission, thereby effectively improving the use efficiency of channel resources and enhancing network throughput. The method in the embodiment of the present application includes: the first STA obtains its received signal strength for the second STA, and the first STA is a potential concurrent station of the second STA; the first STA obtains its participation in concurrent transmission according to the received signal strength A probability value of , the received signal strength is negatively correlated with the probability value, and the probability value is greater than or equal to 0 and less than or equal to 1; when the probability value is greater than or equal to a reference value, the first STA participates in concurrent transmission.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data transmission method and an STA. Background technique [0002] In the Wireless Fidelity (English full name: Wireless-Fidelity, referred to as: WiFi) local area network based on the Institute of Electrical and Electronics Engineers (English full name: Institute of Electrical and Electronics Engineers, referred to as: IEEE) 802.11 protocol, the access control mode of wireless medium resources is mainly Adopt distributed coordination function (English full name: Distributed Coordination Function, abbreviation: DCF). In the DCF mode, the occupancy of the wireless medium, that is, the wireless channel, is based on a competition mechanism based on Carrier Sense Multiple Access with Collision Avoidance (English full name: Carrier Sense Multiple Access with Collision Avoidance, referred to as CSMA / CA). The station (English full name: Station, abbreviation: STA) (including the acc...

Claims

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Application Information

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IPC IPC(8): H04W74/08
CPCH04W74/0816
Inventor 庞继勇朱俊罗俊马驰翔
Owner HUAWEI TECH CO LTD
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