Patent ID: 8542613

Claim:
An access point (AP) comprising: a wireless receiver configured to receive, from each of a plurality of wireless transmit receive units (WTRUs), configuration information, wherein configuration information received from at least one of the plurality of WTRUs includes information regarding coexistence of a 20 MHz channel and a 40 MHz channel, green field protection information, space time block coding (STBC) information, and legacy signal field (L-SIG) transmission opportunity (TXOP) protection information; and a wireless transmitter configured to transmit, to at least one of the plurality of WTRUs, instructions for controlling operation of the at least one of the plurality of WTRUs regarding IEEE 802.11n channelization and legacy protection, wherein a content of the instructions for controlling the operation of the at least one of the plurality of WTRUs regarding IEEE 802.11n channelization and legacy protection is based at least on the configuration information from each of the plurality of WTRUs.