Global Patent Index - EP 1512256 A4

EP 1512256 A4 20091202 - NON-ZERO COMPLEX WEIGHTED SPACE-TIME CODE FOR MULTIPLE ANTENNA TRANSMISSION

Title (en)

NON-ZERO COMPLEX WEIGHTED SPACE-TIME CODE FOR MULTIPLE ANTENNA TRANSMISSION

Title (de)

RAUM-ZEIT-KODE MIT VON NULL VERSCHIEDENER KOMPLEXER GEWICHTUNG ZUR MEHRFACH-ANTENNENÜBERTRAGUNG

Title (fr)

CODE SPATIO-TEMPOREL DE PONDERATION COMPLEXE NON NULLE DESTINE A UNE TRANSMISSION PAR ANTENNE A USAGE MULTIPLE

Publication

EP 1512256 A4 20091202 (EN)

Application

EP 02720328 A 20020326

Priority

  • IB 0200939 W 20020326
  • US 81957301 A 20010328
  • US 7884002 A 20020220

Abstract (en)

[origin: WO02080375A2] The present invention presents a method and apparatus for phase hopping and space-time coding signals for transmission on multiple antennas (160,162,164,166). The method and apparatus provides expansion of a N x N' space time block code to a M x M' space time block code, where M>N, by using phase hopping on the symbols within the N x N' space time block code to allow transmission of the space time block code on a number of diversity antennas greater than N'. A result of M antenna diversity may be achieved for M transmit antennas.

IPC 1-7

H04L 27/04

IPC 8 full level

H04B 1/69 (2011.01); H04B 1/707 (2011.01); H04B 7/00 (2006.01); H04B 7/02 (2006.01); H04B 7/06 (2006.01); H04B 7/26 (2006.01); H04J 15/00 (2006.01); H04J 99/00 (2009.01); H04L 1/06 (2006.01); H04J 13/00 (2011.01)

CPC (source: EP)

H04B 7/0669 (2013.01); H04B 7/0682 (2013.01); H04L 1/0618 (2013.01); H04J 13/0048 (2013.01); H04J 13/0074 (2013.01)

Citation (search report)

  • [XI] EP 1047218 A2 20001025 - LUCENT TECHNOLOGIES INC [US]
  • [X] WO 0051265 A1 20000831 - MOTOROLA INC [US]
  • [X] EP 0993130 A2 20000412 - TEXAS INSTRUMENTS INC [US]
  • [X] WO 0014921 A1 20000316 - AT & T CORP [US]
  • [XP] WO 0191318 A1 20011129 - SAMSUNG ELECTRONICS CO LTD [KR]
  • [X] DATABASE INSPEC [online] THE INSTITUTION OF ELECTRICAL ENGINEERS, STEVENAGE, GB; 1999, JALLOUL L M A; ROHANI K; KUCHI K; CHEN J: "Performance analysis of CDMA transmit diversity methods", XP002545213, Database accession no. 6520785
  • [AD] DATABASE INSPEC [online] THE INSTITUTION OF ELECTRICAL ENGINEERS, STEVENAGE, GB; 2000, TIRKKONEN O; BOARIU A; HOTTINEN A: "Minimal non-orthogonality rate 1 space-time block code for 3+ Tx antennas", XP002545214, Database accession no. 6838606
  • [AD] DATABASE INSPEC [online] THE INSTITUTION OF ELECTRICAL ENGINEERS, STEVENAGE, GB; October 1998 (1998-10-01), ALAMOUTI S M: "A simple transmit diversity technique for wireless communications", XP002545215, Database accession no. 6098420
  • See references of WO 02080375A2

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 02080375 A2 20021010; WO 02080375 A3 20050113; AU 2002251395 A1 20021015; BR 0208208 A 20061212; CA 2440033 A1 20021010; CA 2440033 C 20070109; CN 100536450 C 20090902; CN 1611047 A 20050427; EP 1512256 A2 20050309; EP 1512256 A4 20091202; JP 2005503045 A 20050127; MX PA03008030 A 20050429; RU 2003131399 A 20050527; RU 2276463 C2 20060510

DOCDB simple family (application)

IB 0200939 W 20020326; AU 2002251395 A 20020326; BR 0208208 A 20020326; CA 2440033 A 20020326; CN 02807290 A 20020326; EP 02720328 A 20020326; JP 2002578663 A 20020326; MX PA03008030 A 20020326; RU 2003131399 A 20020326