Patent ID: 7660274
Filing Date: 2010-02-09
Classification: H04B,H04L,H04W,Y02D

Abstract:
1. A method of allocating a transmission period in a frame period in a wireless network system, the method comprising: transmitting a power save multi-poll (PSMP) frame allocating a downlink period and an uplink period in the frame period to a station (STA); transmitting data to the STA during the downlink period and receiving data from the STA during the uplink period; transmitting a subsequent PSMP frame allocating at least one of an additional downlink period and an additional uplink period in the frame period to the STA after the downlink and uplink periods; and transmitting data to the STA during the additional downlink period in response to there being additional data to be transmitted, and receiving data from the STA during the additional uplink period in response to there being additional data to be received.