Channel estimation and spatial processing for TDD mimo systems

Details for Australian Patent Application No. 2009203088 (hide)

Owner Qualcomm Incorporated

Inventors Wallace, Mark S.; Howard, Steven J.; Ketchum, John W.; Walton, Jay Rodney

Agent Madderns

Pub. Number AU-A-2009203088

Parent 2003287328

Filing date 30 July 2009

Wipo publication date 20 August 2009

International Classifications

H04B 7/005 (2006.01) Radio transmission systems, i.e. using radiation field - Control of transmission

H04B 7/04 (2006.01) Radio transmission systems, i.e. using radiation field - using a plurality of spaced independent aerials

H04B 7/06 (2006.01) Radio transmission systems, i.e. using radiation field

H04B 7/08 (2006.01) Radio transmission systems, i.e. using radiation field - at receiving station

H04L 1/00 (2006.01) Arrangements for detecting or preventing errors in the information received

H04L 1/06 (2006.01) Arrangements for detecting or preventing errors in the information received

H04L 1/08 (2006.01) Arrangements for detecting or preventing errors in the information received - by repeating transmission, e.g. Verdan system

H04L 12/28 (2006.01) Data switching networks - characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]

H04L 12/56 (2006.01) Data switching networks - Packet switching systems

H04L 25/02 (2006.01) Baseband systems - Details

H04L 25/03 (2006.01) Baseband systems - Shaping networks in transmitter or receiver, e.g. adaptive shaping networks

H04L 27/26 (2006.01) Modulated-carrier systems - Systems using multi-frequency codes

H04L 1/16 (2006.01) Arrangements for detecting or preventing errors in the information received - in which the return channel carries supervisory signals, e.g. repetition request signals

H04W 16/28 (2009.01) Network planning, e.g. coverage or traffic planning tools

H04W 52/50 (2009.01) Power management, e.g. TPC [Transmission Power Control], power saving or power classes

Event Publications

13 August 2009 Complete Application Filed

20 August 2009 Application Open to Public Inspection

  Published as AU-A-2009203088

17 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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