CPC H04L 1/1854 (2013.01) [H04L 1/1812 (2013.01); H04L 1/1832 (2013.01); H04W 74/0816 (2013.01)] | 20 Claims |
1. A method, comprising:
performing a code block group (CBG) based uplink transmission;
identifying an uplink (UL) reference burst of the CBG based uplink transmission;
determining, at a first time, a contention window size (CWS) adjustment, wherein the CWS adjustment comprises:
resetting the CWS for all priority classes at the wireless device to a minimum value if:
a UL grant is received and a new data indicator (NDI) bit for at least one of active hybrid automatic request (HARQ) processes is toggled; and
a UL grant is received and the NDI bit is not toggled and at least one or more acknowledgements (ACKs) for Y % of CBGs for at least one of the active HARQ processes are indicated, wherein for individual bits of CBG transmit information (CBGTI) in the UL grant, a value of 1 is considered a negative acknowledgement (NACK) when the NDI is not toggled and values other than 1 are considered as ACKs; or
otherwise, performing one of maintaining the CWS for all priority classes or increasing the CWS for all priority classes at the wireless device to a next higher level.
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