Patent ID: 8804644
Filing Date: 2014-08-12
Classification: H04W

Abstract:
1. A method of communicating in a wireless communication network, comprising: transmitting, during a polling period, a first poll request frame addressed to a first device, wherein the first poll request frame includes a first time offset value for the first device to send a first poll response frame; transmitting, during the polling period, a second poll request frame addressed to a second device, wherein the second poll request frame includes a second time offset value for the second device to send a second poll response frame; receiving, during the polling period and at a time based on the first time offset value, the first poll response frame from the first device, the first poll response frame including a first time allocation request from the first device; receiving, during the polling period and at a time based on the second time offset value, the second poll response frame from the second device, the second poll response frame including a second time allocation request from the second device; transmitting, during a grant period subsequent to the polling period, a first grant frame to the first device granting a first scheduled period for communication by the first device based on the first time allocation request; and transmitting, during the grant period, a second grant frame to the second device granting a second scheduled period for communication by the second device based on the second time allocation request.