CPC H04W 74/0833 (2013.01) [H04W 40/244 (2013.01); H04W 72/121 (2013.01); H04W 74/006 (2013.01); H04W 74/0808 (2013.01)] | 9 Claims |
1. A wireless communication method in a wireless network comprising an access point and stations, the method comprising the following steps, at a station:
receiving a trigger frame from the access point, the trigger frame reserving a transmission opportunity on at least one communication channel of the wireless network, the transmission opportunity including a random resource unit that the stations may access using a contention scheme;
receiving parameters of the contention scheme in management frames from the access point, the parameters comprising a contention window range;
contending access to the random resource unit of the transmission opportunity reserved by the received trigger frame, using a contention backoff between a predetermined value and a contention window value; and
updating the contention window value based on whether a transmission over the accessed random resource unit was successful or unsuccessful, the updated contention window value remaining within the contention window range obtained from the received parameters of the contention scheme;
wherein in case the updated contention window value becomes greater than an upper boundary of the contention window range as a consequence of receiving modified parameters of the contention scheme setting the updated contention window value to the value of the upper boundary.
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