KR960009470A - Cdma 통신시스템 - Google Patents

Cdma 통신시스템 Download PDF

Info

Publication number
KR960009470A
KR960009470A KR1019950025230A KR19950025230A KR960009470A KR 960009470 A KR960009470 A KR 960009470A KR 1019950025230 A KR1019950025230 A KR 1019950025230A KR 19950025230 A KR19950025230 A KR 19950025230A KR 960009470 A KR960009470 A KR 960009470A
Authority
KR
South Korea
Prior art keywords
communication system
cdma communication
cdma
communication
Prior art date
Application number
KR1019950025230A
Other languages
English (en)
Other versions
KR100199785B1 (ko
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 filed Critical
Publication of KR960009470A publication Critical patent/KR960009470A/ko
Application granted granted Critical
Publication of KR100199785B1 publication Critical patent/KR100199785B1/ko

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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1019950025230A 1994-08-18 1995-08-17 시디엠에이통신시스템 KR100199785B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19346094A JP3037564B2 (ja) 1994-08-18 1994-08-18 Ｃｄｍａシステム
JP94-193460 1994-08-18

Publications (2)

Publication Number Publication Date
KR960009470A true KR960009470A (ko) 1996-03-22
KR100199785B1 KR100199785B1 (ko) 1999-06-15

Family

ID=16308379

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950025230A KR100199785B1 (ko) 1994-08-18 1995-08-17 시디엠에이통신시스템

Country Status (5)

Country Link
US (1) US5646937A (ko)
EP (1) EP0697799A3 (ko)
JP (1) JP3037564B2 (ko)
KR (1) KR100199785B1 (ko)
CA (1) CA2156454C (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69637911D1 (de) * 1995-07-19 2009-06-04 Nec Corp Diversity-Übertragungssystem mit Kodevielfachzugriff
EP0908023B1 (en) * 1996-06-21 2004-08-04 XIRCOM Wireless, Inc. Communication protocol for spread spectrum wireless communication system
JPH10136439A (ja) * 1996-10-30 1998-05-22 Fujitsu Ltd 移動体通信システム及び移動体端末及び基地局及び移動体交換局及び移動体通信制御方法
EP0930845B1 (en) * 1997-06-27 2009-10-14 The Trustees Of Columbia University In The City Of New York Apparatus for circulatory valve repair
JP3013822B2 (ja) * 1997-11-20 2000-02-28 日本電気株式会社 スペクトラム拡散通信システム
US6539226B1 (en) * 1998-02-16 2003-03-25 Nec Corporation Base station transmission power control system mobile station and base station
US6341124B1 (en) 1998-03-13 2002-01-22 Telefonaktiebolaget Lm Ericsson Accommodating packet data loss at base stations interfacing between a packet switched network and a CDMA macrodiversity network
US6445684B1 (en) 1998-12-01 2002-09-03 Qwest Communications International Inc. Method and system for dynamic adjustment of CDMA wireless device power levels
JP3750390B2 (ja) * 1999-01-08 2006-03-01 日本電気株式会社 移動体通信における呼制御方法及びそのシステム
US6515975B1 (en) * 1999-04-22 2003-02-04 Nortel Networks Limited Fast forward power control during soft handoff
JP3331331B2 (ja) 1999-06-03 2002-10-07 松下電器産業株式会社 通信端末装置及び過干渉防止方法
US7139274B2 (en) * 2002-08-23 2006-11-21 Qualcomm, Incorporated Method and system for a data transmission in a communication system
US8179833B2 (en) * 2002-12-06 2012-05-15 Qualcomm Incorporated Hybrid TDM/OFDM/CDM reverse link transmission

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202485B1 (en) * 1985-04-22 1993-11-18 Nec Corporation Method of determining optimal transmission channel in multistation communications system
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5327577A (en) * 1988-06-14 1994-07-05 Telefonaktiebolaget L M Ericsson Handover method for mobile radio system
US5101501A (en) 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5047762A (en) * 1989-12-06 1991-09-10 Motorola, Inc. Method and apparatus for increasing co-channel utilization in a multi-station data communications network with overlapping coverage
US5299226A (en) * 1990-11-16 1994-03-29 Interdigital Technology Corporation Adaptive power control for a spread spectrum communications system and method
US5228056A (en) * 1990-12-14 1993-07-13 Interdigital Technology Corporation Synchronous spread-spectrum communications system and method
US5367533A (en) * 1990-12-05 1994-11-22 Interdigital Technology Corporation Dynamic capacity allocation CDMA spread spectrum communications
US5365544A (en) * 1990-12-05 1994-11-15 Interdigital Technology Corporation CDMA communications and geolocation system and method
US5224120A (en) * 1990-12-05 1993-06-29 Interdigital Technology Corporation Dynamic capacity allocation CDMA spread spectrum communications
US5166951A (en) * 1991-05-15 1992-11-24 Scs Mobilecom, Inc. High capacity spread spectrum channel
US5228053A (en) * 1991-05-15 1993-07-13 Interdigital Technology Corporation Spread spectrum cellular overlay CDMA communications system
US5179571A (en) * 1991-07-10 1993-01-12 Scs Mobilecom, Inc. Spread spectrum cellular handoff apparatus and method
US5345467A (en) * 1991-07-10 1994-09-06 Interdigital Technology Corp. CDMA cellular hand-off apparatus and method
IT1261365B (it) * 1993-12-02 1996-05-20 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per il controllo di potenza nella tratta stazione base-mezzo mobile di un sistema radiomobile con accesso a divisione di codice

Also Published As

Publication number Publication date
CA2156454A1 (en) 1996-02-19
EP0697799A2 (en) 1996-02-21
JPH0865265A (ja) 1996-03-08
EP0697799A3 (en) 1999-10-27
US5646937A (en) 1997-07-08
JP3037564B2 (ja) 2000-04-24
KR100199785B1 (ko) 1999-06-15
CA2156454C (en) 2001-05-08

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