PROTECTION FOR DIRECT LINK SETUP (DLS) TRANSMISSIONS IN WIRELESS COMMUNICATION SYSTEMS Russian patent published in 2012 - IPC H04L12/56 

Abstract RU 2461138 C2

FIELD: information technology.

SUBSTANCE: method for establishing a direct link setup (DLS) connection between stations in a wireless local area network, comprising: sending a ready-to-send (RTS) frame by a first station, directed to an access point (AP) within a basic service set (BSS); receiving, by the first station, a clear-to-send (CTS) frame sent from the AP, sent in response to the RTS, wherein at least one of the RTS and CTS frames have duration fields set to accommodate expected data frame transmissions from the first station to a second station in the BSS on the DLS connection; and exchanging, by the first station, data frames directly with the second station on the DLS connection, wherein a source address of the RTS is set to a media access control (MAC) address of the second station.

EFFECT: creating connections so as to avoid collisions with transmissions from concealed stations.

12 cl, 15 dwg

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RU 2 461 138 C2

Authors

Surineni Shravan K.

Nanda Sandzhiv

Dates

2012-09-10Published

2008-11-14Filed