ATE458322T1 - Verfahren zur erzielung einer grossen kapazität eines scdma-spreizkommunikationssystems - Google Patents

Verfahren zur erzielung einer grossen kapazität eines scdma-spreizkommunikationssystems

Info

Publication number
ATE458322T1
ATE458322T1 AT01966976T AT01966976T ATE458322T1 AT E458322 T1 ATE458322 T1 AT E458322T1 AT 01966976 T AT01966976 T AT 01966976T AT 01966976 T AT01966976 T AT 01966976T AT E458322 T1 ATE458322 T1 AT E458322T1
Authority
AT
Austria
Prior art keywords
large capacity
antenna
communications system
processing unit
sets
Prior art date
Application number
AT01966976T
Other languages
English (en)
Inventor
Zhaohui Cai
Original Assignee
Huawei Tech 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 Tech Co Ltd filed Critical Huawei Tech Co Ltd
Application granted granted Critical
Publication of ATE458322T1 publication Critical patent/ATE458322T1/de

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)
AT01966976T 2000-11-24 2001-05-18 Verfahren zur erzielung einer grossen kapazität eines scdma-spreizkommunikationssystems ATE458322T1 (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 (en) 2000-11-24 2001-05-18 Method for achieving a large capacity of scdma spread communication system

Publications (1)

Publication Number Publication Date
ATE458322T1 true ATE458322T1 (de) 2010-03-15

Family

ID=4596322

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01966976T ATE458322T1 (de) 2000-11-24 2001-05-18 Verfahren zur erzielung einer grossen kapazität eines scdma-spreizkommunikationssystems

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)

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US8204149B2 (en) 2003-12-17 2012-06-19 Qualcomm Incorporated Spatial spreading in a multi-antenna communication system
EP1763933B1 (de) * 2004-07-06 2018-03-14 Telefonaktiebolaget LM Ericsson (publ) Verschiedene orthogonale codesätze mit gemeinsamen elementen
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
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
US20070058595A1 (en) * 2005-03-30 2007-03-15 Motorola, 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
CN103546255B (zh) * 2007-10-29 2016-11-02 松下电器产业株式会社 集成电路
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
WO2011063567A1 (en) 2009-11-27 2011-06-03 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
CN112615686B (zh) * 2019-09-18 2025-02-11 罗德施瓦兹两合股份有限公司 提供至少一个信号的方法和系统以及用于信号接收器的鲁棒性测试的测试和测量系统

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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
EP0957604B1 (de) 1998-05-15 2005-11-30 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
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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
WO2002069537A1 (en) 2002-09-06
US20030202562A1 (en) 2003-10-30
EP1337059A4 (de) 2006-12-06
EP1337059B1 (de) 2010-02-17
CN1146171C (zh) 2004-04-14
US6980582B2 (en) 2005-12-27
CN1355629A (zh) 2002-06-26
EP1337059A1 (de) 2003-08-20
DE60141343D1 (de) 2010-04-01

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