Patent ID: 8687546
Filing Date: 2014-04-01
Classification: H04B,H04L,H04W

Abstract:
1. A computer-implemented method comprising: receiving, at a first wireless device, a polling frame including a transmission right granted to each of a plurality of wireless devices belonging to a first group, the first group including the first wireless device; transmitting, by the first wireless device, a first acknowledgement frame during a period determined based on the transmission right, wherein the same period is assigned for transmission to each of the plurality of wireless devices belonging to the first group; and receiving, at a second wireless device, another polling frame including another transmission right granted to each of a plurality of wireless devices belonging to a second group, the second group including the second wireless device, wherein the other transmission right defines another same period assigned for transmission to each of the plurality of wireless devices belonging to the second group, wherein the period assigned to the wireless devices belonging to the first group is different than the other period assigned to the wireless devices belonging to the second group.