Fixed deterministic post-backoff for cyclic prioritized multiple access (CPMA) contention-free sessions

A wireless communications system having reduced interference between overlapping first and second wireless local area network cells in a medium, each of the first and second wireless local area network cells including a respective plurality of member stations, comprising:

• a first access point station comprising a processor;
• and
• a computer-readable medium storing a plurality of instructions which, when executed by the processor, cause the processor to perform operations, the operations comprising:
• coordinating in the first wireless local area network cell a first contention-free session, the first contention-free session including multiple bursts with other member stations in the first wireless local area network cell, and retaining a control of the medium by the first access point station by using interframe spaces between the multiple bursts such that the multiple bursts appear to contending stations as being a single instance of activity in the medium;
• setting a backoff timer in the first access point station to a fixed deterministic post-backoff delay, wherein the fixed deterministic post-backoff delay has a value of Bkoff times a fixed number of idle time slots, the value of Bkoff being greater than a number of overlapping cells;
• and
• counting down the backoff timer for the fixed deterministic post-backoff delay.

A non-transitory computer-readable medium storing a plurality of instructions which, when executed by a processor of a first member station of a first wireless local area network cell in a medium, cause the processor to perform operations for reducing interference between overlapping of the first wireless local area network cell in the medium and a second wireless local area network cell in the medium, each of the first and the second wireless local area network cells including a respective plurality of member stations, the operations comprising:

• coordinating a first contention-free session, the first contention-free session including multiple bursts with other member stations in the first wireless local area network cell, and retaining a control of the medium by the first member station by using interframe spaces between the multiple bursts such that the multiple bursts appear to contending stations as being a single instance of activity in the medium;
• setting a backoff timer to a fixed deterministic post-backoff delay, wherein the fixed deterministic post-backoff delay has a value of Bkoff times a fixed number of idle time slots, the value of Bkoff being greater than a number of overlapping cells;
• and
• counting down the backoff timer.