DE60235300D1 - Stungssteuerbit - Google Patents

Stungssteuerbit

Info

Publication number
DE60235300D1
DE60235300D1 DE60235300T DE60235300T DE60235300D1 DE 60235300 D1 DE60235300 D1 DE 60235300D1 DE 60235300 T DE60235300 T DE 60235300T DE 60235300 T DE60235300 T DE 60235300T DE 60235300 D1 DE60235300 D1 DE 60235300D1
Authority
DE
Germany
Prior art keywords
power
sub
signal
noise
noise variance
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
DE60235300T
Other languages
English (en)
Inventor
Debarag N Banerjee
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.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Application granted granted Critical
Publication of DE60235300D1 publication Critical patent/DE60235300D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/143—Downlink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • 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
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • 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
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/225—Calculation of statistics, e.g. average, variance
    • 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)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE60235300T 2001-06-26 2002-06-21 Stungssteuerbit Expired - Lifetime DE60235300D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/891,798 US7228146B2 (en) 2001-06-26 2001-06-26 Estimating Eb/Nt in a CDMA system using power control bits
PCT/IB2002/002460 WO2003001700A1 (en) 2001-06-26 2002-06-21 Estimating eb/nt in a cdma system using power control bits

Publications (1)

Publication Number Publication Date
DE60235300D1 true DE60235300D1 (de) 2010-03-25

Family

ID=25398840

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60235300T Expired - Lifetime DE60235300D1 (de) 2001-06-26 2002-06-21 Stungssteuerbit

Country Status (8)

Country Link
US (1) US7228146B2 (de)
EP (1) EP1405437B1 (de)
JP (1) JP4717348B2 (de)
KR (1) KR100990572B1 (de)
CN (1) CN1276593C (de)
AT (1) ATE457557T1 (de)
DE (1) DE60235300D1 (de)
WO (1) WO2003001700A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101005653B1 (ko) * 2003-03-17 2011-01-05 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 수신기 성능 제어
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
KR100863791B1 (ko) * 2005-10-12 2008-10-17 삼성전자주식회사 주파수분할 다중접속 방식의 통신시스템에서 패킷 데이터 제어 채널을 이용하여 채널을 추정하기 위한 송수신 장치 및 방법과 그 시스템
US7693231B2 (en) * 2006-05-15 2010-04-06 Qualcomm Incorporated System and method of calculating noise variance
US8326339B2 (en) 2006-08-04 2012-12-04 Broadcom Corporation Method and apparatus to compute a noise power estimate in a WCDMA network
KR101337181B1 (ko) * 2007-08-30 2013-12-05 삼성전자주식회사 이동 통신 시스템에서 이동 단말의 전력을 제어하는 장치 및 방법
JP4875642B2 (ja) 2008-02-27 2012-02-15 株式会社日立製作所 雑音電力推定装置及び方法
US8477888B2 (en) * 2008-06-24 2013-07-02 Qualcomm Incorporated Phase-noise resilient generation of a channel quality indicator
GB0905357D0 (en) 2009-03-27 2009-05-13 Icera Inc Estimation of signal and interference power
US9001795B2 (en) * 2010-01-26 2015-04-07 Telefonaktiebolaget L M Ericsson (Publ) Power control loop for a CDMA system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0366159A1 (de) 1986-01-18 1990-05-02 Hewlett-Packard Limited Beeinflussungsfreier Analysator zur Erfassung von Kanalstörungen
US5870393A (en) * 1995-01-20 1999-02-09 Hitachi, Ltd. Spread spectrum communication system and transmission power control method therefor
US5383219A (en) * 1993-11-22 1995-01-17 Qualcomm Incorporated Fast forward link power control in a code division multiple access system
US5603096A (en) * 1994-07-11 1997-02-11 Qualcomm Incorporated Reverse link, closed loop power control in a code division multiple access system
US5634195A (en) * 1995-03-27 1997-05-27 Telefonaktiebolaget Lm Ericsson System and method for setting of output power parameters in a cellular mobile telecommunication system
US5987326A (en) * 1997-02-11 1999-11-16 Qualcomm Incorporated Transmit power reduction for a high speed CDMA link in soft handoff
US6073025A (en) * 1997-03-26 2000-06-06 Nortel Networks Corporation Base station power control during a soft hand-off
US5963870A (en) * 1997-03-26 1999-10-05 Nortel Networks Corporation Process for switching between IS-95 forward power control and fast forward power control
US6304562B1 (en) * 1997-06-26 2001-10-16 Samsung Electronics Co., Ltd. Asymmetric forward power control in a CDMA communication
KR100243425B1 (ko) * 1997-07-10 2000-02-01 곽치영 씨디엠에이 무선가입자망 시스템의 순방향 트래픽 채널 전력제어 방법 및 장치
US6075815A (en) * 1997-09-17 2000-06-13 Nortel Networks Corporation Symbol-energy-to-noise-density estimation in a QPSK modulated communication system
US5946346A (en) * 1997-10-07 1999-08-31 Motorola, Inc. Method and system for generating a power control command in a wireless communication system
US6154659A (en) * 1997-12-24 2000-11-28 Nortel Networks Limited Fast forward link power control in a code division multiple access system
CA2264125C (en) * 1998-03-03 2003-05-06 Nec Corporation Method of controlling transmission power in a cellular type mobile communication system
KR100339034B1 (ko) 1998-08-25 2002-10-11 삼성전자 주식회사 부호분할다중접속통신시스템의제어유지상태에서역방향폐루프전력제어장치및방법
KR100401191B1 (ko) * 1999-02-13 2003-10-10 삼성전자주식회사 이동통신시스템의 역방향 링크 송신제어장치 및 방법
US6571104B1 (en) * 1999-09-07 2003-05-27 Lucent Technologies Inc. Power control with effective Eb/N0

Also Published As

Publication number Publication date
ATE457557T1 (de) 2010-02-15
KR100990572B1 (ko) 2010-10-29
WO2003001700A1 (en) 2003-01-03
CN1520649A (zh) 2004-08-11
US20030003939A1 (en) 2003-01-02
CN1276593C (zh) 2006-09-20
EP1405437A1 (de) 2004-04-07
EP1405437B1 (de) 2010-02-10
JP4717348B2 (ja) 2011-07-06
KR20030025300A (ko) 2003-03-28
JP2004533783A (ja) 2004-11-04
US7228146B2 (en) 2007-06-05

Similar Documents

Publication Publication Date Title
KR101107375B1 (ko) 무선 통신 시스템에서 업링크 신호-대-잡음비(ｓｎｒ) 추정을 제공하기 위한 방법 및 장치
KR970068220A (ko) 확산 스펙트럼 통신 시스템에서의 복조 및 전력 제어 비트 검출 방법 및 장치
FR2863812B1 (fr) Terminal bi-mode d'acces a un premier reseau de radiocommunication et un deuxieme reseau de communication local
WO1999049588A1 (en) Method and system for providing an estimate of the signal strength of a received signal
DE60235300D1 (de) Stungssteuerbit
BR0212765A (pt) Cessar transmissão de informações de controle de taxa de dados em um sistema de comunicação cdma quando a estação móvel transitar para o estado aberto ocioso
RU2005108988A (ru) Система мобильной связи, использующая информацию определения местоположения
TWI263448B (en) Wireless communication system having adaptive threshold for timing deviation measurement and method
NO20020965L (no) Reduksjon av söketid for söking etter pilotsignaler i et kommunikasjonsnett
KR20010012067A (ko) Ｎｔ／Ｉｏ값을 사용한 셀룰라 시스템의 순방향 링크 전력 제어 시스템 및 방법
BR0212236A (pt) Método e equipamento para confirmar recebimento de uma recepção de um pacote de dados em um sistema de comunicação cdma
TW200616476A (en) Method and apparatus for estimating and reporting the quality of a wireless communication channel
DE60124069D1 (de) Diagnostische verfahren und systeme für mehrträgermodems
ATE303681T1 (de) Dopplerspreizschätzungssystem
ATE387764T1 (de) Sir-schätzung in einem drahtlosen empfanger
JPS60116239A (ja) 無線通信装置
ES2186333T3 (es) Estimacion de la compensacion del desplazamiento doppier en un sistema de comunicaciones movil.
DE60220449D1 (de) Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung
BR0116620A (pt) Método de estimar a potência de interferência em um receptor de um sistema de comunicação, receptor de um sistema de comunicação, e, sistema w-cdma
EP1475932A3 (de) Interferenzsignalerkennung und Kanalschätzung für drahtlose Kommunikationsnetze
JPH08163080A (ja) スペクトラム拡散受信機
TW200419957A (en) Method and apparatus for pilot estimation using prediction error method
ATE294478T1 (de) Verfahren zur schätzung von kanalparametern von funkkanälen eines w-cdma-mobilfunksystems
ATE418246T1 (de) Verfahren zur abschätzung eines abwärtskanals
ATE288650T1 (de) Verfahren und system zur frequenzoffsetschätzung für trägermodulierte digitale kommunikationssysteme

Legal Events

Date Code Title Description
8364 No opposition during term of opposition