Patent ID: 11895712
Assignee: SONY GROUP CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. A method of performing wireless communication in a network, comprising:
(a) operating a wireless communication circuit as a WLAN station, under an IEEE 802.11 communications protocol supporting carrier sense multiple access/collision avoidance (CSMA/CA) and providing a lower latency capability for real-time application (RTA) traffic, configured to support communicating RTA packets that are sensitive to communication delays as well as non-real time application (non-RTA) packets over a network supporting carrier sense multiple access/collision avoidance (CSMA/CA) in which RTA traffic and non-RTA traffic coexist;
(b) communicating non-RTA packets under CSMA/CA between stations which contend for channel access;
(c) distinguishing RTA packets from non-RTA packets at the station's media access control (MAC) layer, which extracts information when receiving traffic from an upper layer and compares it with RTA session records created during RTA stream negotiations to determine if the packets are RTA packets;
(d) scheduling channel time for transmitting RTA traffic based on expected RTA packet arrival time as determined at the MAC layer;
(e) sharing scheduled channel time information with neighboring wireless stations;
(f) adjusting scheduled channel time based on the scheduled channel time of at least one of its neighboring wireless stations toward preventing channel contention collisions when multiple RTA traffics are contending for the channel;
(g) occupying the channel before the RTA packet arrives; and
(h) transmitting the RTA packet.