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Closed loop link adjustment method based on a Request To Send-Clear To Send channel access scheme for transmit power control and link adaptation techniques.
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
2001 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

NOVELTY - The method involves designating a station as an originating station. An RTS frame is transmitted with predetermined transmit power from an originating station, prior to an intended DATA transmission, sounding the channel such that reception characteristics can be evaluated at a designated receiving station. A CTS frame with a predetermined transmit power is transmitted, in response to the originating station, from the receiving station. A DATA frame is transmitted from the originating station to the receiving station. An acknowledge frame is transmitted in response to the originating stations from the receiving station. USE - For transmit power control and link adaptation techniques. ADVANTAGE - Improves overall system performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (a) a method for open loop group transmit power control in a wireless system; (b) a method for interference mitigation. DESCRIPTION OF DRAWING(S) - The figure shows a tiered TPC in an IBSS-like system.

Place, publisher, year, edition, pages
Keyword [en]
802.11, rts-cts, power control, rate control, link mode
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-74308ISI: 2002723943OAI: diva2:489377
EP 1386419-B1 (2006-08-02)

CN 1327635-C (2007-07-18); US 7885680-B2 (2011-02-08)

Available from: 2012-02-02 Created: 2012-02-02 Last updated: 2013-08-07Bibliographically approved

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Larsson, Peter
Communication Systems

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