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IEEE 802.11 AF detection rate selection method

A rate selection and rate technology, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve problems such as lengthening the rate selection period

Active Publication Date: 2019-07-02
NANJING COLLEGE OF INFORMATION TECH
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Problems solved by technology

The agreement does not stipulate which physical rates in the IEEE 802.11AF protocol need to be counted. If the success rate and throughput of all physical rates are calculated, the cycle of rate selection will be lengthened.

Method used

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  • IEEE 802.11 AF detection rate selection method
  • IEEE 802.11 AF detection rate selection method
  • IEEE 802.11 AF detection rate selection method

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Embodiment Construction

[0073] The present invention will be further described below in conjunction with accompanying drawing.

[0074] Such as figure 1 Shown, flow process of the present invention is: 1. set rate control period T rc ②Construct the first-level rate table ③Use the speed peripheral algorithm to select the first part of the second-level rate table for investigation rate ④Use the binary algorithm and successively go through the theoretical time comparison algorithm and the skip algorithm to select the second part of the second-level rate table for investigation Rate ⑤Construct the third-level rate table ⑥Calculate the threshold for sending reconnaissance data frames ⑦Use the main sending rate to send data frames ⑧When the threshold is reached, use the reconnaissance rate to send data ⑨After the time t for sending reconnaissance data frames, resume Send data at the main sending rate ⑩ set the rate control cycle T rc At that time, make statistics on the sending situation of the reconnais...

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Abstract

The invention discloses an IEEE802.11AF (Institute of Electrical and Electronic Engineers 802.11AF) detection rate selection method. Three levels of rate table are used, wherein the matrix resource pool is formed by combining all physical rates specified by the IEEE 802.11 AF standard according to a certain mapping rule, and the matrix resource pool is a first-level rate table; a detection rate resource pool constructed by a dichotomy algorithm, a rate peripheral algorithm and a rate filtering mechanism is a second-stage rate table, and a rate resource pool to be detected selected from the second-stage rate table is a third-stage rate table finally used for detection; the method can avoid waste of channel bandwidthand performance fluctuation and reduction caused by improper detection rateselection, so as to shorten the period of dynamic rate selection, reduce the fluctuation of system throughput rate, and improve the data throughput of IEEE 802.11 AF wireless equipment in a wireless network environment.

Description

technical field [0001] The present invention relates to the wireless network transmission protocol of the IEEE 802.11AF standard, in particular to an IEEE802.11AF detection rate selection method applied to the dynamic rate selection part of the protocol, which can accurately locate the detection rate and shorten the selection period of the detection rate , to further improve the throughput and success rate of network data transmission. Background technique [0002] At present, with the rapid development of IEEE 802.11 wireless network technology, it has become a focus of attention and research due to its scalability, mobility and flexible network architecture. In the process of promoting the development of wireless network standards, the IEEE 802.11 working group successively formulated IEEE 802.11a, b, g, n, ac, ax and other standards. In recent years, on the basis of the original technology, the IEEE 802.11AF wireless network standard based on the blank frequency band not...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/02
CPCH04W28/0231H04W28/0273
Inventor 杨永鹏史律
Owner NANJING COLLEGE OF INFORMATION TECH
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