CA2286417C - Methods and apparatus for wireless communication using code division duplex time-slotted cdma - Google Patents

Methods and apparatus for wireless communication using code division duplex time-slotted cdma Download PDF

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Publication number
CA2286417C
CA2286417C CA002286417A CA2286417A CA2286417C CA 2286417 C CA2286417 C CA 2286417C CA 002286417 A CA002286417 A CA 002286417A CA 2286417 A CA2286417 A CA 2286417A CA 2286417 C CA2286417 C CA 2286417C
Authority
CA
Canada
Prior art keywords
uplink
downlink
base station
subscriber units
code division
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
CA002286417A
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English (en)
French (fr)
Other versions
CA2286417A1 (en
Inventor
Syed Aon Mujtaba
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of CA2286417A1 publication Critical patent/CA2286417A1/en
Application granted granted Critical
Publication of CA2286417C publication Critical patent/CA2286417C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Bidirectional Digital Transmission (AREA)
CA002286417A 1998-11-25 1999-10-18 Methods and apparatus for wireless communication using code division duplex time-slotted cdma Expired - Lifetime CA2286417C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/200,521 US6813254B1 (en) 1998-11-25 1998-11-25 Methods and apparatus for wireless communication using code division duplex time-slotted CDMA
US09/200,521 1998-11-25

Publications (2)

Publication Number Publication Date
CA2286417A1 CA2286417A1 (en) 2000-05-25
CA2286417C true CA2286417C (en) 2006-01-03

Family

ID=22742063

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002286417A Expired - Lifetime CA2286417C (en) 1998-11-25 1999-10-18 Methods and apparatus for wireless communication using code division duplex time-slotted cdma

Country Status (5)

Country Link
US (1) US6813254B1 (https=)
EP (1) EP1005180B1 (https=)
JP (2) JP2000165940A (https=)
CA (1) CA2286417C (https=)
DE (1) DE69943180D1 (https=)

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EP1089512A1 (en) * 1999-09-30 2001-04-04 Sony International (Europe) GmbH Telecommunication device with analog fourier transformation unit
US7227850B2 (en) * 2001-04-04 2007-06-05 Telefonaktiebolaget Lm Ericsson (Publ) Cellular radio communication system with frequency reuse
US20040004951A1 (en) 2002-07-05 2004-01-08 Interdigital Technology Corporation Method for performing wireless switching
KR100474849B1 (ko) * 2002-11-01 2005-03-11 삼성전자주식회사 어레이 안테나를 이용한 빔포밍 방법에 의한코드분할다중접속 이동통신 시스템에서 코드를 재사용하는방법 및 장치
US7493133B2 (en) * 2004-02-05 2009-02-17 Qualcomm, Incorporated Power control in ad-hoc wireless networks
US20060289439A1 (en) * 2005-03-21 2006-12-28 Samantha Dreimann Food steamer with plurality of compartments
US7957327B2 (en) 2005-05-18 2011-06-07 Qualcomm Incorporated Efficient support for TDD beamforming via constrained hopping and on-demand pilot
JP2008017341A (ja) * 2006-07-07 2008-01-24 Ntt Docomo Inc 無線通信装置および無線通信方法
CN100594689C (zh) * 2006-09-20 2010-03-17 北京大学 一种码分双工的通信方法
US9681455B2 (en) * 2010-01-28 2017-06-13 Alcatel Lucent Methods for reducing interference in a communication system
US9086472B2 (en) * 2012-09-26 2015-07-21 Gennadii Ivtsenkov Multi-transceiver RF alert system for preventing hunting accidents
KR101817014B1 (ko) * 2015-09-18 2018-01-10 한국과학기술원 다중 빔 코드 분할 다중 접속 통신 방법 및 이를 수행하는 장치

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US5627880A (en) * 1992-11-02 1997-05-06 Motorola, Inc. MAHO method for SFH-CDMA/TDMA using punctured frames
SE9203384L (sv) 1992-11-13 1993-10-25 Televerket Förfarande och anordning för dynamisk allokering av multipla bärvågskanaler för multipelaccess genom frekvensmultiplexering
US5420851A (en) * 1993-11-24 1995-05-30 At&T Corp. Method of multiple access
SG48266A1 (en) 1993-12-22 1998-04-17 Philips Electronics Nv Multicarrier frequency hopping communications system
JPH07226978A (ja) * 1994-02-14 1995-08-22 Matsushita Electric Ind Co Ltd 多重通信装置
WO1995024086A2 (en) 1994-02-25 1995-09-08 Philips Electronics N.V. A multiple access digital transmission system and a radio base station and a receiver for use in such a system
US6018528A (en) * 1994-04-28 2000-01-25 At&T Corp System and method for optimizing spectral efficiency using time-frequency-code slicing
US5596333A (en) * 1994-08-31 1997-01-21 Motorola, Inc. Method and apparatus for conveying a communication signal between a communication unit and a base site
US5614914A (en) 1994-09-06 1997-03-25 Interdigital Technology Corporation Wireless telephone distribution system with time and space diversity transmission for determining receiver location
JP3480761B2 (ja) * 1995-03-30 2003-12-22 株式会社東芝 無線通信方法
US6049535A (en) * 1996-06-27 2000-04-11 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
GB2307621B (en) * 1995-11-21 1997-12-03 At & T Corp Cdma air interface for radio local loop system
CA2216761C (en) * 1996-11-08 2002-01-01 Lucent Technologies Inc. Tdm-based fixed wireless loop system
JPH10190616A (ja) * 1996-12-20 1998-07-21 Oki Electric Ind Co Ltd ハンドオーバ制御装置
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US6122266A (en) * 1997-02-19 2000-09-19 Lucent Technologies Inc. Multi-level sectorized CDMA communications
JP3392704B2 (ja) * 1997-05-09 2003-03-31 株式会社東芝 無線通信システム及び無線基地局
US6005854A (en) * 1997-08-08 1999-12-21 Cwill Telecommunication, Inc. Synchronous wireless access protocol method and apparatus
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US6542485B1 (en) * 1998-11-25 2003-04-01 Lucent Technologies Inc. Methods and apparatus for wireless communication using time division duplex time-slotted CDMA
US6091757A (en) * 1998-12-03 2000-07-18 Motorola, Inc. Data transmission within a spread-spectrum communication system
AU2001238646A1 (en) * 2000-02-24 2001-09-03 Tantivy Communications, Inc. Method and system for economical beam forming in a radio communication system

Also Published As

Publication number Publication date
EP1005180B1 (en) 2011-02-09
JP2000165940A (ja) 2000-06-16
CA2286417A1 (en) 2000-05-25
EP1005180A3 (en) 2006-03-15
JP2009135953A (ja) 2009-06-18
US6813254B1 (en) 2004-11-02
EP1005180A2 (en) 2000-05-31
DE69943180D1 (de) 2011-03-24
JP4598132B2 (ja) 2010-12-15

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Effective date: 20191018