US2016156491A1PendingUtilityA1

Multi-mode indication in subfield in a signal field of a wireless local area network data unit

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Assignee: MARVELL WORLD TRADE LTDPriority: Aug 3, 2012Filed: Jan 25, 2016Published: Jun 2, 2016
Est. expiryAug 3, 2032(~6 yrs left)· nominal 20-yr term from priority
Inventors:Hongyuan Zhang
H04L 27/2602H04W 84/12H04L 69/22H04L 5/0007H04L 27/26136H04L 27/2613H04L 27/2603H04L 5/0023H04B 7/0669H04B 7/0891H04L 1/0025H04B 7/0689H04L 5/0092H04L 5/0044H04L 1/0618
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Claims

Abstract

In a method for generating an orthogonal frequency division multiplexing (OFDM) physical layer (PHY) data unit, a signal field of the data unit is generated. The signal field includes a first subfield to indicate a configuration used for transmission of the data unit and a second subfield to indicate information regarding one of a plurality of modes for the data unit. When the configuration is a first configuration, the second subfield indicates information regarding a first mode of the plurality of modes. When the configuration is a second configuration, the second subfield indicates information regarding a second mode of the plurality of modes. The data unit is generated to include a preamble and a data portion. The signal field is included in the preamble. The data portion is generated according to one of i) the information regarding the first mode or ii) the information regarding the second mode.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method for generating an orthogonal frequency division multiplexing (OFDM) physical layer (PHY) data unit for transmission via a communication channel, the method comprising:
 generating a signal field of the data unit to include
 a first subfield to indicate a configuration used for transmission of the data unit, and 
 a second subfield to indicate information regarding one of a plurality of modes for the data unit, including:
 when the configuration is a first configuration, generating the second subfield to indicate information regarding a first mode of the plurality of modes, and 
 when the configuration is a second configuration, generating the second subfield to indicate information regarding a second mode of the plurality of modes; and 
 
   generating the data unit to include a preamble and a data portion, wherein the signal field is included in the preamble, and wherein the data portion is generated according to one of i) the information regarding the first mode or ii) the information regarding the second mode.

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