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METHOD FOR TRANSMITTING AND RECEIVING PHYSICAL LAYER CONVERGENCE PROCEDURE PROTOCOL DATA UNIT IN WIRELESS LOCAL AREA NETWORK SYSTEM SUPPORTING POWER SAVE MODE OPERATION AND APPARATUS FOR THE SAME

  • US 20140086131A1
  • Filed: 11/23/2011
  • Published: 03/27/2014
  • Est. Priority Date: 05/31/2011
  • Status: Active Grant
First Claim
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1. A method of transmitting a data frame in a wireless local area network (WLAN), the method comprising:

  • transmitting, by an access point (AP), a scheduling information element including information on a time period for data frame transmission to a first station (STA) and a second STA, wherein the scheduling information element includes an offset field indicating a start time point of the time period; and

    transmitting, by the AP, the data frame to the first STA and the second STA by using a multi user-multiple input multiple output (MU-MIMO) transmission scheme after the start time point indicated by the offset field.

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