IL136646A0 - Waveform and frame structure for a fixed wireless loop synchronous cdma communications system - Google Patents

Waveform and frame structure for a fixed wireless loop synchronous cdma communications system

Info

Publication number
IL136646A0
IL136646A0 IL13664698A IL13664698A IL136646A0 IL 136646 A0 IL136646 A0 IL 136646A0 IL 13664698 A IL13664698 A IL 13664698A IL 13664698 A IL13664698 A IL 13664698A IL 136646 A0 IL136646 A0 IL 136646A0
Authority
IL
Israel
Prior art keywords
waveform
frame structure
communications system
fixed wireless
synchronous cdma
Prior art date
Application number
IL13664698A
Other languages
English (en)
Original Assignee
L 3 Comm Corp
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 L 3 Comm Corp filed Critical L 3 Comm Corp
Publication of IL136646A0 publication Critical patent/IL136646A0/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
IL13664698A 1997-12-10 1998-11-16 Waveform and frame structure for a fixed wireless loop synchronous cdma communications system IL136646A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/988,026 US5966373A (en) 1997-12-10 1997-12-10 Waveform and frame structure for a fixed wireless loop synchronous CDMA communications system
PCT/US1998/024472 WO1999030234A1 (en) 1997-12-10 1998-11-16 Waveform and frame structure for a fixed wireless loop synchronous cdma communications system

Publications (1)

Publication Number Publication Date
IL136646A0 true IL136646A0 (en) 2001-06-14

Family

ID=25533782

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13664698A IL136646A0 (en) 1997-12-10 1998-11-16 Waveform and frame structure for a fixed wireless loop synchronous cdma communications system

Country Status (9)

Country Link
US (1) US5966373A (ja)
EP (1) EP1038222A1 (ja)
JP (1) JP2001526472A (ja)
KR (1) KR20010032655A (ja)
CN (1) CN1281561A (ja)
AU (1) AU1588199A (ja)
BR (1) BR9813498A (ja)
IL (1) IL136646A0 (ja)
WO (1) WO1999030234A1 (ja)

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US6091703A (en) * 1997-10-10 2000-07-18 Trw Inc. Bulk despreading of multiple independent CDMA sources
US6486967B1 (en) * 1998-05-09 2002-11-26 Intel Corporation Recovery of bit-rotated frames during facsimile transmissions in a global system for mobile communications (GSM) network
JP3480313B2 (ja) * 1998-05-26 2003-12-15 富士通株式会社 ディジタル加入者線伝送方法及びｘＤＳＬ装置
JP2968794B1 (ja) * 1998-09-29 1999-11-02 静岡日本電気株式会社 ワイヤレスローカルループ用システム端末
US7443906B1 (en) * 1999-05-31 2008-10-28 Electronics And Telecommunications Research Institute Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system
US6732302B1 (en) 1999-09-30 2004-05-04 Telefonaktiebolaget Lm Ericcson (Publ) Blind rate detection in a multiplexed transmission system
US8285292B1 (en) 2000-02-11 2012-10-09 At&T Mobility Ii Llc Detection of cross-connection between a wireless loop network and another loop network at a subscriber's premises
US6847997B1 (en) 2000-04-19 2005-01-25 Motorola, Inc. Communications network utilizing transmitter and channel diversity to mitigate path impairments
AU2002249851A1 (en) * 2000-10-27 2002-08-12 L-3 Communications Corporation Adaptive, multi-rate waveform and frame structure for a synchronous ds-cdma system
US7099372B2 (en) * 2000-10-27 2006-08-29 L-3 Communications Corporation Spreading code hopping for synchronous DS-CDMA system to mitigate interference effects
US6769093B1 (en) * 2000-12-15 2004-07-27 Conexant Systems, Inc. Synchronization of a communications system
US8121296B2 (en) 2001-03-28 2012-02-21 Qualcomm Incorporated Method and apparatus for security in a data processing system
US9100457B2 (en) 2001-03-28 2015-08-04 Qualcomm Incorporated Method and apparatus for transmission framing in a wireless communication system
US7352868B2 (en) 2001-10-09 2008-04-01 Philip Hawkes Method and apparatus for security in a data processing system
US7649829B2 (en) 2001-10-12 2010-01-19 Qualcomm Incorporated Method and system for reduction of decoding complexity in a communication system
US7599655B2 (en) 2003-01-02 2009-10-06 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
US7301985B1 (en) 2003-06-30 2007-11-27 L-3 Communications Corporation Pseudo-noise code hopping method and apparatus
US8098818B2 (en) 2003-07-07 2012-01-17 Qualcomm Incorporated Secure registration for a multicast-broadcast-multimedia system (MBMS)
US8718279B2 (en) 2003-07-08 2014-05-06 Qualcomm Incorporated Apparatus and method for a secure broadcast system
US8724803B2 (en) 2003-09-02 2014-05-13 Qualcomm Incorporated Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system
DE10344765A1 (de) * 2003-09-26 2005-04-14 Siemens Ag Verfahren zum Übertragen von Kontrolldaten
US8325591B2 (en) * 2004-02-26 2012-12-04 Qualcomm Incorporated Suppressing cross-polarization interference in an orthogonal communication link
CN102664667B (zh) 2004-05-04 2018-04-06 索尼公司 一种移动终端、方法和基站
US7892472B2 (en) * 2004-08-12 2011-02-22 United States Gypsum Company Method of making water-resistant gypsum-based article
WO2008041110A2 (en) 2006-10-04 2008-04-10 Nokia Corporation Method for symbol multiplexing control and data channel
KR100856196B1 (ko) * 2007-01-03 2008-09-03 삼성전자주식회사 Ｔｄｄ 방식의 광중계기에서 리모트 제어 방법 및 시스템
KR101347424B1 (ko) * 2007-10-17 2014-01-07 삼성전자주식회사 통신 시스템에서 신호 송수신 방법 및 장치
US8023530B1 (en) * 2009-01-07 2011-09-20 L-3 Communications Corp. Physical layer quality of service for wireless communications

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US5357541A (en) * 1989-03-23 1994-10-18 Echelon Corporation Transceiver providing selectable frequencies and spreading sequences
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
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US5258995A (en) * 1991-11-08 1993-11-02 Teknekron Communications Systems, Inc. Wireless communication system
US5267244A (en) * 1991-11-08 1993-11-30 Teknekron Communications Systems, Inc. Method and an apparatus for establishing the functional capabilities for wireless communications between a base unit and a remote unit
US5844922A (en) * 1993-02-22 1998-12-01 Qualcomm Incorporated High rate trellis coding and decoding method and apparatus
US5396518A (en) * 1993-05-05 1995-03-07 Gi Corporation Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes
US5297162A (en) * 1993-06-04 1994-03-22 Motorola, Inc. System and method for bit timing synchronization in an adaptive direct sequence CDMA communication system
US5359624A (en) * 1993-06-07 1994-10-25 Motorola, Inc. System and method for chip timing synchronization in an adaptive direct sequence CDMA communication system
FR2706709B1 (fr) * 1993-06-16 1995-08-25 Matra Communication Procédé de synchronisation pour des communications radiotéléphoniques à accès multiple à répartition par codes.
MY112371A (en) * 1993-07-20 2001-05-31 Qualcomm Inc System and method for orthogonal spread spectrum sequence generation in variable data rate systems
US5410538A (en) * 1993-11-09 1995-04-25 At&T Corp. Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system
KR100217715B1 (ko) * 1993-12-31 1999-09-01 윤종용 직접확산/부호분할 다중접근 시스템에서의 업-링크 접근 시스템
US5499236A (en) * 1994-08-16 1996-03-12 Unisys Corporation Synchronous multipoint-to-point CDMA communication system
US5568473A (en) * 1994-12-08 1996-10-22 Comsat Corporation Method and apparatus for simple and efficient interference cancellation for chip synchronized CDMA
US5757767A (en) * 1995-04-18 1998-05-26 Qualcomm Incorporated Method and apparatus for joint transmission of multiple data signals in spread spectrum communication systems
US5577025A (en) * 1995-06-30 1996-11-19 Qualcomm Incorporated Signal acquisition in a multi-user communication system using multiple walsh channels

Also Published As

Publication number Publication date
CN1281561A (zh) 2001-01-24
KR20010032655A (ko) 2001-04-25
BR9813498A (pt) 2000-10-10
US5966373A (en) 1999-10-12
EP1038222A1 (en) 2000-09-27
AU1588199A (en) 1999-06-28
WO1999030234A1 (en) 1999-06-17
JP2001526472A (ja) 2001-12-18

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