DE60141343D1 - Verfahren zur erzielung einer grossen kapazität ei - Google Patents

Verfahren zur erzielung einer grossen kapazität ei

Info

Publication number
DE60141343D1
DE60141343D1 DE60141343T DE60141343T DE60141343D1 DE 60141343 D1 DE60141343 D1 DE 60141343D1 DE 60141343 T DE60141343 T DE 60141343T DE 60141343 T DE60141343 T DE 60141343T DE 60141343 D1 DE60141343 D1 DE 60141343D1
Authority
DE
Germany
Prior art keywords
antenna
processing unit
sets
spectrum communication
demodulation processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60141343T
Other languages
English (en)
Inventor
Zhaohui Cai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Application granted granted Critical
Publication of DE60141343D1 publication Critical patent/DE60141343D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/102—Combining codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Secondary Cells (AREA)
DE60141343T 2000-11-24 2001-05-18 Verfahren zur erzielung einer grossen kapazität ei Expired - Lifetime DE60141343D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB00134627XA CN1146171C (zh) 2000-11-24 2000-11-24 大容量同步码分多址扩频通信系统的实现方法
PCT/CN2001/000806 WO2002069537A1 (fr) 2000-11-24 2001-05-18 Procede permettant d'obtenir un systeme de communication a etalement du spectre amcrs a grande capacite

Publications (1)

Publication Number Publication Date
DE60141343D1 true DE60141343D1 (de) 2010-04-01

Family

ID=4596322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60141343T Expired - Lifetime DE60141343D1 (de) 2000-11-24 2001-05-18 Verfahren zur erzielung einer grossen kapazität ei

Country Status (6)

Country Link
US (1) US6980582B2 (de)
EP (1) EP1337059B1 (de)
CN (1) CN1146171C (de)
AT (1) ATE458322T1 (de)
DE (1) DE60141343D1 (de)
WO (1) WO2002069537A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248698B2 (en) * 2001-04-06 2007-07-24 Interdigital Technology Corporation System for generating pseudorandom sequences
JP3700933B2 (ja) * 2001-07-27 2005-09-28 松下電器産業株式会社 受信機および通信端末
US8204149B2 (en) 2003-12-17 2012-06-19 Qualcomm Incorporated Spatial spreading in a multi-antenna communication system
US8004959B2 (en) * 2004-07-06 2011-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Different orthogonal code sets with members in common
US7551680B2 (en) * 2004-10-28 2009-06-23 Interdigital Technology Corporation Wireless communication method and apparatus for forming, steering and selectively receiving a sufficient number of usable beam paths in both azimuth and elevation
US20060176966A1 (en) * 2005-02-07 2006-08-10 Stewart Kenneth A Variable cyclic prefix in mixed-mode wireless communication systems
US20070058595A1 (en) * 2005-03-30 2007-03-15 Motorola, Inc. Method and apparatus for reducing round trip latency and overhead within a communication system
US8031583B2 (en) * 2005-03-30 2011-10-04 Motorola Mobility, Inc. Method and apparatus for reducing round trip latency and overhead within a communication system
CN1874202B (zh) * 2005-06-02 2010-07-21 北京信威通信技术股份有限公司 智能天线系统中干扰抑制的方法
CN1937449A (zh) * 2005-09-20 2007-03-28 展讯通信（上海）有限公司 一种可变长度的prach帧结构及其实现方法
US8498238B2 (en) * 2006-04-13 2013-07-30 Globalstar, Inc. Satellite communication system employing a combination of time division multiplexing and non-orthogonal pseudorandom noise codes and time slots
US7787569B2 (en) * 2006-07-26 2010-08-31 Broadcom Corporation Radio frequency integrated circuit having frequency dependent noise mitigation with spectrum spreading
US8400998B2 (en) 2006-08-23 2013-03-19 Motorola Mobility Llc Downlink control channel signaling in wireless communication systems
CN101355400A (zh) * 2007-07-23 2009-01-28 大唐移动通信设备有限公司 多媒体广播组播业务发送、接收方法及设备
ES2743770T3 (es) * 2007-10-29 2020-02-20 Panasonic Corp Dispositivo de comunicación por radio y método de control de constelación
US7860125B2 (en) * 2008-01-28 2010-12-28 Cisco Techology, Inc. Flexible time stamping
US8537724B2 (en) * 2009-03-17 2013-09-17 Motorola Mobility Llc Relay operation in a wireless communication system
US8831156B2 (en) 2009-11-27 2014-09-09 Qualcomm Incorporated Interference cancellation for non-orthogonal channel sets
US20120147942A1 (en) * 2010-12-10 2012-06-14 Futurewei Technologies, Inc. System and Method for Signaling and Detecting in Wireless Communications Systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351269A (en) * 1990-12-05 1994-09-27 Scs Mobilecom, Inc. Overlaying spread spectrum CDMA personal communications system
US6404732B1 (en) 1996-07-30 2002-06-11 Agere Systems Guardian Corp. Digital modulation system using modified orthogonal codes to reduce autocorrelation
CN1205584A (zh) * 1997-05-29 1999-01-20 松下电器产业株式会社 Cdma通信装置和cdma通信方法
US6005854A (en) * 1997-08-08 1999-12-21 Cwill Telecommunication, Inc. Synchronous wireless access protocol method and apparatus
DE69832589T2 (de) 1998-05-15 2006-08-10 Sony Deutschland Gmbh Sender und Übertragungsverfahren, die die Flexibilität der Zuordnung von Koden erhöhen
US6556634B1 (en) * 1999-02-10 2003-04-29 Ericsson, Inc. Maximum likelihood rake receiver for use in a code division, multiple access wireless communication system
US7103026B2 (en) * 2000-10-27 2006-09-05 L-3 Communications Corporation Use of chip repetition to produce a flexible bandwidth DS-CDMA system
KR100913883B1 (ko) * 2002-04-19 2009-08-26 삼성전자주식회사 스마트 안테나의 출력 신호 왜곡 측정 및 보상 장치 및 방법

Also Published As

Publication number Publication date
ATE458322T1 (de) 2010-03-15
EP1337059B1 (de) 2010-02-17
EP1337059A4 (de) 2006-12-06
CN1355629A (zh) 2002-06-26
EP1337059A1 (de) 2003-08-20
US20030202562A1 (en) 2003-10-30
US6980582B2 (en) 2005-12-27
WO2002069537A1 (fr) 2002-09-06
CN1146171C (zh) 2004-04-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition