Patent ID: 8879458

Claim:
A wireless network device implemented method for transmission in a network, the method comprising: transmitting a multicast packet a first time with a sequence number at a first data rate using a multicast address in response to an active wireless client of a group of clients being associated with the wireless network device at a particular time, wherein a sleeping wireless client of the group of clients is also associated with the wireless network device at the particular time; transmitting the multicast packet a second time, after the first time, with the sequence number at a second data rate less than the first data rate using the multicast address; transmitting the multicast packet a third time, after the second time, at a third data rate using the multicast address in response to the sleeping wireless client of the group of clients being associated with the wireless network device at the particular time and in response to a delivery traffic indication message (DTIM) count expiring; and transmitting the multicast packet a fourth time, after the third time, at a fourth data rate less than the third data rate using the multicast address.