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Wireless communication method using enhanced distributed channel access, and wireless communication terminal using same

專利號(hào)
US11516879B2
公開日期
2022-11-29
申請(qǐng)人
WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.; SK TELECOM CO., LTD.（KR Gyeonggi-do KR Seoul）
發(fā)明人
Woojin Ahn; Juhyung Son; Geonjung Ko; Jinsam Kwak
IPC分類
H04W80/02; H04W74/00; H04W84/12; H04W74/08; H04L5/00; H04W28/02; H04W40/24; H04W72/04
技術(shù)領(lǐng)域
edca,wireless,mu,terminal,cw,parameter,ppdu,ac,mpdu,backoff
地域： Gyeonggi-do

摘要

Provided is a wireless communication terminal that communicates wirelessly. The wireless communication terminal includes a transceiver and a processor for processing a radio signal received through the transceiver or a radio signal to be transmitted through the transceiver. The processor accesses a channel according to according to a priority of data to be transmitted to the base communication terminal by the wireless communication terminal.

說明書

Further, the wireless communication terminal may access the channel according to the priority of the data to be transmitted. Specifically, the wireless communication terminal may use the CW determined according to the priority of the data to be transmitted. At this time, the minimum value CWmin and the maximum value CWmax of CW are determined according to the priority of data to be transmitted by the wireless communication terminal. In addition, the predetermined time at which the wireless communication terminal waits to start the backoff procedure is determined according to the priority of the data to be transmitted by the wireless communication terminal. Also, the wireless communication terminal may wait for a designated time according to the priority of the data to be transmitted, and then start the backoff procedure. The designated time according to the priority is referred to as arbitration interframe space (AIFS). This operation is referred to as enhanced distributed channel access (EDCA). In addition, the priority of data may be determined according to an access category (AC).

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