METHODS AND SYSTEMS FOR PROVIDING RELIABLE MULTICAST SERVICE IN A WLAN SYSTEM

摘要

A method for acknowledged multicast operation in a wireless network having a base station and at least one wireless transmit/receive unit (WTRU) includes the base station transmitting a first multicast signal during a first scheduled interval, the at least one WTRU receiving the first multicast signal during the first scheduled interval, and the at least one WTRU transmitting an acknowledgement signal to the base station during a second scheduled interval.