TW474073B - Radio communication system - Google Patents

Radio communication system Download PDF

Info

Publication number
TW474073B
TW474073B TW089108913A TW89108913A TW474073B TW 474073 B TW474073 B TW 474073B TW 089108913 A TW089108913 A TW 089108913A TW 89108913 A TW89108913 A TW 89108913A TW 474073 B TW474073 B TW 474073B
Authority
TW
Taiwan
Prior art keywords
station
power control
size
step size
power
Prior art date
Application number
TW089108913A
Other languages
English (en)
Chinese (zh)
Inventor
Timothy J Moulsley
Bernard Hunt
Matthew P J Baker
Original Assignee
Koninkl Philips Electronics Nv
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
Priority claimed from GBGB9912289.7A external-priority patent/GB9912289D0/en
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of TW474073B publication Critical patent/TW474073B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/221—TPC being performed according to specific parameters taking into account previous information or commands using past power control commands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/362—Aspects of the step size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H04W52/60—Signalisation aspects of the TPC commands, e.g. frame structure using different transmission rates for TPC commands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
TW089108913A 1999-05-26 2000-05-10 Radio communication system TW474073B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9912289.7A GB9912289D0 (en) 1999-05-26 1999-05-26 Radio communication system
GBGB9915571.5A GB9915571D0 (en) 1999-05-26 1999-07-02 Radio communication system

Publications (1)

Publication Number Publication Date
TW474073B true TW474073B (en) 2002-01-21

Family

ID=26315595

Family Applications (1)

Application Number Title Priority Date Filing Date
TW089108913A TW474073B (en) 1999-05-26 2000-05-10 Radio communication system

Country Status (7)

Country Link
US (3) US6611690B1 (enExample)
EP (1) EP1101292B1 (enExample)
JP (1) JP4033674B2 (enExample)
CN (1) CN1183695C (enExample)
GB (1) GB0011007D0 (enExample)
TW (1) TW474073B (enExample)
WO (1) WO2000074260A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
JP3360053B2 (ja) * 1999-11-19 2002-12-24 埼玉日本電気株式会社 移動通信端末
GB9927995D0 (en) * 1999-11-27 2000-01-26 Koninkl Philips Electronics Nv Method for conformance testing of radio communication equipment
GB0008020D0 (en) 2000-03-31 2000-05-17 Koninkl Philips Electronics Nv Radio comunication system
EP1232576B1 (en) 2000-07-26 2011-10-26 Koninklijke Philips Electronics N.V. Power control in a radio communication system
KR20020093497A (ko) * 2001-06-09 2002-12-16 주식회사 하이닉스반도체 아이에스-2000 코드 분할 다중 접속 방식 시스템에서역방향 전력 제어 방법
US7177658B2 (en) * 2002-05-06 2007-02-13 Qualcomm, Incorporated Multi-media broadcast and multicast service (MBMS) in a wireless communications system
KR100666061B1 (ko) * 2002-08-30 2007-01-10 유티스타콤코리아 유한회사 이동통신 시스템에서 전력제어 방법
US8804761B2 (en) 2003-08-21 2014-08-12 Qualcomm Incorporated Methods for seamless delivery of broadcast and multicast content across cell borders and/or between different transmission schemes and related apparatus
US7318187B2 (en) * 2003-08-21 2008-01-08 Qualcomm Incorporated Outer coding methods for broadcast/multicast content and related apparatus
US8694869B2 (en) 2003-08-21 2014-04-08 QUALCIMM Incorporated Methods for forward error correction coding above a radio link control layer and related apparatus
US20050221816A1 (en) * 2004-03-31 2005-10-06 Hall Thomas M System for and method of operating a radio station in a broadcast network
CN102014474B (zh) * 2010-12-23 2013-11-06 重庆邮电大学 一种td-scdma集群下行共享信道的闭环功率控制方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5056109A (en) 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5038399A (en) 1990-05-21 1991-08-06 Motorola, Inc. Method for assigning channel reuse levels in a multi-level cellular system
US6088590A (en) * 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
JP2904335B2 (ja) 1994-04-27 1999-06-14 エヌ・ティ・ティ移動通信網株式会社 送信電力制御方法および移動局装置
JP2980156B2 (ja) * 1994-05-12 1999-11-22 エヌ・ティ・ティ移動通信網株式会社 送信電力制御方法および該制御方法を用いたスペクトル拡散通信装置
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
FI100072B (fi) * 1996-01-19 1997-09-15 Nokia Mobile Phones Ltd Menetelmä lähetystehon säätämiseksi sekä radiojärjestelmä
US5844894A (en) 1996-02-29 1998-12-01 Ericsson Inc. Time-reuse partitioning system and methods for cellular radio telephone systems
US5859838A (en) * 1996-07-30 1999-01-12 Qualcomm Incorporated Load monitoring and management in a CDMA wireless communication system
US5884894A (en) * 1996-08-20 1999-03-23 Valtek, Inc. Inner-loop valve spool positioning control apparatus
US5946625A (en) 1996-10-10 1999-08-31 Ericsson, Inc. Method for improving co-channel interference in a cellular system
JP3254390B2 (ja) * 1996-10-18 2002-02-04 三菱電機株式会社 送信電力制御装置
JPH10224294A (ja) 1997-02-05 1998-08-21 N T T Ido Tsushinmo Kk 状態遷移による適応送信電力制御方法および装置
JPH11178050A (ja) * 1997-12-10 1999-07-02 Sony Corp 制御情報伝送方法及び送信装置並びに送受信装置
CA2264125C (en) * 1998-03-03 2003-05-06 Nec Corporation Method of controlling transmission power in a cellular type mobile communication system
US6337876B1 (en) * 1998-08-26 2002-01-08 Telefonaktiebolaget Lm Ericsson (Publ) Control of power ratios for in-phase and quadrature channels in a communications system
US6311070B1 (en) * 1999-03-22 2001-10-30 Nortel Networks Limited Variable step size for power control bits to protect against power overshoot
US6334047B1 (en) * 1999-04-09 2001-12-25 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive power control in a mobile radio communications system
GB9927995D0 (en) * 1999-11-27 2000-01-26 Koninkl Philips Electronics Nv Method for conformance testing of radio communication equipment
US6603797B1 (en) * 2000-03-22 2003-08-05 Interdigital Technology Corporation Outer loop/weighted open loop power control in a time division duplex communication system
GB0008020D0 (en) * 2000-03-31 2000-05-17 Koninkl Philips Electronics Nv Radio comunication system

Also Published As

Publication number Publication date
JP4033674B2 (ja) 2008-01-16
CN1183695C (zh) 2005-01-05
US20060183494A1 (en) 2006-08-17
GB0011007D0 (en) 2000-06-28
US20100099452A1 (en) 2010-04-22
EP1101292B1 (en) 2010-01-13
US8433358B2 (en) 2013-04-30
WO2000074260A1 (en) 2000-12-07
US7606589B2 (en) 2009-10-20
JP2003501866A (ja) 2003-01-14
EP1101292A1 (en) 2001-05-23
CN1316137A (zh) 2001-10-03
US6611690B1 (en) 2003-08-26

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