Patent ID: 8953510
Filing Date: 2015-02-10
Classification: H04B,H04L,H04W,Y02D

Abstract:
1. A method for power saving in a wireless local area network, the method comprising; acquiring, by a wireless device, a transmission opportunity (TXOP) from an access point (AP), the TXOP indicating an interval of time when the AP has a right to transmit at least one data block for a multiple input multiple output (MIMO) transmission; receiving, by the wireless device, a signal field from the AP, the signal field including a group identifier, a number indicator and a power saving indicator, the group identifier indicating a single user-MIMO (SU-MIMO) transmission or a multi user-MIMO (MU-MIMO) transmission, the number indicator indicating a number of spatial streams for a corresponding recipient, the power saving indicator indicating whether the AP allows the wireless device to enter a doze state during the TXOP; when the group identifier indicates the MU-MIMO transmission, entering, by the wireless device, the doze state until the end of the TXOP if: when the group identifier indicates the SU-MIMO transmission, entering, by the wireless device, the doze state until the end of the TXOP if: