Methods, systems, and apparatuses for retry timeout adjustment during enhanced distributed channel access contention periods

A method comprising:

• determining, based at least upon one or more parameters associated with a plurality of frames transmitted by the apparatus in a channel as part of a first enhanced distributed channel access (EDCA) contention procedure to compete for channel access, whether the apparatus is eligible to retransmit the plurality of frames in the channel as part of a second EDCA contention procedure to compete for channel access after only waiting for a high-priority timeout (HPTO) duration following an end of the transmission of the plurality of frames and determining that the first EDCA contention procedure has failed, wherein the HPTO duration is a sum of a short inter-frame space (SIFS) duration and at least one slot duration;
• determining, based on whether the channel is sensed as being idle during each slot of the HPTO duration following the end of the transmission of the plurality of frames as part of the first EDCA contention procedure, that the first EDCA contention procedure failed;
• and
• if the first EDCA contention procedure failed and the apparatus is eligible to compete for channel access to retransmit the plurality of frames on the channel immediately following the HPTO duration, starting in a first slot immediately following the end of the HPTO duration as part of the second EDCA contention procedure.

A non-transitory computer-readable storage medium comprising program codes stored therein that, when executed by at least one processor of an apparatus, cause the apparatus to perform at least:

• determining, based at least upon one or more parameters associated with a plurality of frames transmitted by the apparatus in a channel as part of a first enhanced distributed channel access (EDCA) contention procedure to compete for channel access, whether the apparatus is eligible to retransmit the plurality of frames in the channel as part of a second EDCA contention procedure to compete for channel access after only waiting for a high-priority timeout (HPTO) duration following an end of the transmission of the plurality of frames and determining that the first EDCA contention procedure has failed, wherein the HPTO duration is a sum of a short inter-frame space (SIFS) duration and at least one slot duration;
• determining, based on whether the channel is sensed as being idle during each slot of the HPTO duration following the end of the transmission of the plurality of frames as part of the first EDCA contention procedure, that the first EDCA contention procedure failed;
• and
• if the first EDCA contention procedure failed and the apparatus is eligible to compete for channel access to retransmit the plurality of frames on the channel immediately following the HPTO duration, starting in a first slot immediately following the end of the HPTO duration as part of the second EDCA contention procedure.