EP 2452445 A2 20120516 - BEAMFORMING USING BASE AND DIFFERENTIAL CODEBOOKS
Title (en)
BEAMFORMING USING BASE AND DIFFERENTIAL CODEBOOKS
Title (de)
STRAHLFORMUNG ÜBER BASIS- UND DIFFERENTIAL-CODEBÜCHER
Title (fr)
FORMATION DE FAISCEAU À L'AIDE DE LIVRES DE CODES DE BASE ET DIFFÉRENTIEL
Publication
Application
Priority
- US 2010040887 W 20100702
- US 22336009 P 20090706
- US 63964009 A 20091216
Abstract (en)
[origin: WO2011005677A2] Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may include the use of a base codebook and a differential codebook. Additional variants and embodiments are also disclosed.
IPC 8 full level
H04L 25/03 (2006.01); H04B 7/04 (2017.01); H04L 12/66 (2006.01); H04W 16/28 (2009.01); H04W 48/16 (2009.01); H04W 52/10 (2009.01); H04W 52/14 (2009.01); H04W 72/00 (2009.01); H04W 84/04 (2009.01)
CPC (source: BR EP KR)
H04B 7/0617 (2013.01 - KR); H04B 7/0634 (2013.01 - KR); H04B 7/0639 (2013.01 - KR); H04B 7/086 (2013.01 - KR); H04L 12/66 (2013.01 - BR EP KR); H04L 25/021 (2013.01 - BR EP); H04L 25/0248 (2013.01 - BR EP); H04L 25/03343 (2013.01 - BR EP); H04L 25/03936 (2013.01 - BR EP); H04W 16/28 (2013.01 - BR KR); H04W 48/16 (2013.01 - BR KR); H04W 52/10 (2013.01 - BR EP KR); H04W 52/146 (2013.01 - KR); H04W 72/00 (2013.01 - KR); H04W 84/045 (2013.01 - KR); H04W 16/28 (2013.01 - EP); H04W 48/16 (2013.01 - EP); H04W 52/146 (2013.01 - EP); H04W 72/00 (2013.01 - EP); H04W 84/045 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
WO 2011005677 A2 20110113; WO 2011005677 A3 20110505; BR 112012000427 A2 20180410; BR 112012000427 B1 20210601; CN 102474320 A 20120523; CN 102474320 B 20141015; EP 2452445 A2 20120516; EP 2452445 A4 20170215; JP 2012532567 A 20121213; JP 5536884 B2 20140702; KR 101345950 B1 20140102; KR 101442452 B1 20140923; KR 20120033348 A 20120406; KR 20130116366 A 20131023
DOCDB simple family (application)
US 2010040887 W 20100702; BR 112012000427 A 20100702; CN 201080034784 A 20100702; EP 10797665 A 20100702; JP 2012519617 A 20100702; KR 20127003254 A 20100702; KR 20137024181 A 20100702