FI932403A - Foerbaettringar i eller vid radiokommunikationssystem - Google Patents

Foerbaettringar i eller vid radiokommunikationssystem Download PDF

Info

Publication number
FI932403A
FI932403A FI932403A FI932403A FI932403A FI 932403 A FI932403 A FI 932403A FI 932403 A FI932403 A FI 932403A FI 932403 A FI932403 A FI 932403A FI 932403 A FI932403 A FI 932403A
Authority
FI
Finland
Prior art keywords
radiokommunikationssystem
foerbaettringar
eller
vid
eller vid
Prior art date
Application number
FI932403A
Other languages
English (en)
Other versions
FI932403A0 (fi
Inventor
Anthony Peter Hulbert
Original Assignee
Roke Manor Research
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 Roke Manor Research filed Critical Roke Manor Research
Publication of FI932403A0 publication Critical patent/FI932403A0/fi
Publication of FI932403A publication Critical patent/FI932403A/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/2631—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for broadband transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FI932403A 1992-05-27 1993-05-26 Foerbaettringar i eller vid radiokommunikationssystem FI932403A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9211178A GB2267627B (en) 1992-05-27 1992-05-27 Improvements in or relating to radio communication systems

Publications (2)

Publication Number Publication Date
FI932403A0 FI932403A0 (fi) 1993-05-26
FI932403A true FI932403A (fi) 1993-11-28

Family

ID=10716064

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932403A FI932403A (fi) 1992-05-27 1993-05-26 Foerbaettringar i eller vid radiokommunikationssystem

Country Status (8)

Country Link
US (1) US5471463A (fi)
EP (1) EP0571745B1 (fi)
JP (1) JPH06120879A (fi)
CA (1) CA2094535C (fi)
DE (1) DE69322123T2 (fi)
FI (1) FI932403A (fi)
GB (1) GB2267627B (fi)
RU (1) RU2110892C1 (fi)

Families Citing this family (38)

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US5796772A (en) 1991-05-13 1998-08-18 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5815525A (en) 1991-05-13 1998-09-29 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5790587A (en) 1991-05-13 1998-08-04 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5887020A (en) 1991-05-13 1999-03-23 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
FI94819C (fi) * 1993-06-10 1995-10-25 Nokia Telecommunications Oy Tiedonsiirtomenetelmä ja CDMA/FDMA-radiojärjestelmä
US6018528A (en) * 1994-04-28 2000-01-25 At&T Corp System and method for optimizing spectral efficiency using time-frequency-code slicing
US5592470A (en) * 1994-12-21 1997-01-07 At&T Broadband wireless system and network architecture providing broadband/narrowband service with optimal static and dynamic bandwidth/channel allocation
DE19645433C2 (de) * 1996-11-04 2002-10-10 Ericsson Telefon Ab L M Kommunikationssystem, Mobilvermittlungszentrum und Verfahren zum Herstellen einer Mehrdialog-Kommunikation zwischen Teilnehmerstationen
GB2320661B (en) * 1996-12-20 2001-10-03 Dsc Telecom Lp Processing data transmitted and received over a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications system
GB2320660A (en) 1996-12-20 1998-06-24 Dsc Telecom Lp Processing data transmitted and received over a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunication system
ATE304755T1 (de) * 1997-05-02 2005-09-15 Siemens Ag Tdma/cdma nachrichtenübertragungssystem mit anpassbarer datenrate
GB2325816B (en) * 1997-05-30 1999-06-23 Lucent Technologies Inc Packet data option for circuit switched wireless DS-CDMA systems
US6542481B2 (en) 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
US6081536A (en) 1997-06-20 2000-06-27 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US6151332A (en) 1997-06-20 2000-11-21 Tantivy Communications, Inc. Protocol conversion and bandwidth reduction technique providing multiple nB+D ISDN basic rate interface links over a wireless code division multiple access communication system
US6510147B1 (en) * 1997-07-15 2003-01-21 Hughes Electronics Corporation Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals
US6285669B1 (en) * 1997-07-17 2001-09-04 Nortel Networks Limited CDMA direct spread overlay system and method of operation
US6377809B1 (en) 1997-09-16 2002-04-23 Qualcomm Incorporated Channel structure for communication systems
US8175120B2 (en) 2000-02-07 2012-05-08 Ipr Licensing, Inc. Minimal maintenance link to support synchronization
US7496072B2 (en) 1997-12-17 2009-02-24 Interdigital Technology Corporation System and method for controlling signal strength over a reverse link of a CDMA wireless communication system
US7936728B2 (en) 1997-12-17 2011-05-03 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US6222832B1 (en) 1998-06-01 2001-04-24 Tantivy Communications, Inc. Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US8134980B2 (en) 1998-06-01 2012-03-13 Ipr Licensing, Inc. Transmittal of heartbeat signal at a lower level than heartbeat request
US7773566B2 (en) 1998-06-01 2010-08-10 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US7221664B2 (en) 1998-06-01 2007-05-22 Interdigital Technology Corporation Transmittal of heartbeat signal at a lower level than heartbeat request
FR2779605B1 (fr) * 1998-06-04 2000-07-13 Alsthom Cge Alcatel Systeme d'allocation de ressources radio dans un systeme cellulaire de radiocommunications mobiles multiservices
US6882631B1 (en) * 1999-09-13 2005-04-19 Qualcomm Incorporated Method and apparatus for overlaying two CDMA systems on the same frequency bandwidth
US6526034B1 (en) 1999-09-21 2003-02-25 Tantivy Communications, Inc. Dual mode subscriber unit for short range, high rate and long range, lower rate data communications
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US20020077152A1 (en) * 2000-12-15 2002-06-20 Johnson Thomas J. Wireless communication methods and systems using multiple overlapping sectored cells
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
US6954448B2 (en) 2001-02-01 2005-10-11 Ipr Licensing, Inc. Alternate channel for carrying selected message types
EP2479905B1 (en) 2001-06-13 2017-03-15 Intel Corporation Method and apparatuses for transmittal of heartbeat signal at a lower level than heartbeat request
US7353004B2 (en) * 2001-11-01 2008-04-01 Broadlogic Network Technologies, Inc. Multi-channel broadband content distribution system
JP2005516472A (ja) * 2002-01-23 2005-06-02 華為技術有限公司 移動体通信ネットワークにおいてリアルタイムのブロードキャストサービスを提供する方法
KR100830163B1 (ko) * 2005-04-20 2008-05-20 삼성전자주식회사 주파수 오버레이 통신 시스템에서 신호 송수신 장치 및 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3447107A1 (de) * 1984-12-22 1986-06-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur nachrichtenuebertragung in einem digitalen funkuebertragungssystem
WO1991003892A1 (en) * 1987-01-27 1991-03-21 Advanced Systems Research Pty Limited Improvements in a spread-spectrum multiplexed transmission system
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5025452A (en) * 1990-03-20 1991-06-18 Andrew Corporation Full-duplex, sub-band spread spectrum communications system
US5150377A (en) * 1990-11-02 1992-09-22 At&T Bell Laboratories Direct sequence spread spectrum (dsss) communications system with frequency modulation utilized to achieve spectral spreading
US5218618A (en) * 1990-11-07 1993-06-08 Hughes Aircraft Company Cellular telephone service using spread spectrum transmission
US5161168A (en) * 1991-05-15 1992-11-03 Scs Mobilecom, Inc. Spread spectrum CDMA communications system microwave overlay

Also Published As

Publication number Publication date
RU2110892C1 (ru) 1998-05-10
JPH06120879A (ja) 1994-04-28
CA2094535A1 (en) 1993-11-28
US5471463A (en) 1995-11-28
GB9211178D0 (en) 1992-07-08
EP0571745A1 (en) 1993-12-01
CA2094535C (en) 2001-02-13
EP0571745B1 (en) 1998-11-18
DE69322123T2 (de) 1999-04-15
GB2267627B (en) 1996-01-03
GB2267627A (en) 1993-12-08
FI932403A0 (fi) 1993-05-26
DE69322123D1 (de) 1998-12-24

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