DE69943206D1 - Verfahren und Vorrichtung zur Schätzung der Empfangssignalstärke - Google Patents

Verfahren und Vorrichtung zur Schätzung der Empfangssignalstärke

Info

Publication number
DE69943206D1
DE69943206D1 DE69943206T DE69943206T DE69943206D1 DE 69943206 D1 DE69943206 D1 DE 69943206D1 DE 69943206 T DE69943206 T DE 69943206T DE 69943206 T DE69943206 T DE 69943206T DE 69943206 D1 DE69943206 D1 DE 69943206D1
Authority
DE
Germany
Prior art keywords
received signal
signal strength
estimating received
estimating
strength
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
DE69943206T
Other languages
German (de)
English (en)
Inventor
Samir Soliman
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE69943206D1 publication Critical patent/DE69943206D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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]
    • 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
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69943206T 1998-03-25 1999-03-23 Verfahren und Vorrichtung zur Schätzung der Empfangssignalstärke Expired - Lifetime DE69943206D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/048,454 US6201954B1 (en) 1998-03-25 1998-03-25 Method and system for providing an estimate of the signal strength of a received signal

Publications (1)

Publication Number Publication Date
DE69943206D1 true DE69943206D1 (de) 2011-03-31

Family

ID=21954681

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69943206T Expired - Lifetime DE69943206D1 (de) 1998-03-25 1999-03-23 Verfahren und Vorrichtung zur Schätzung der Empfangssignalstärke
DE69933924T Expired - Lifetime DE69933924T2 (de) 1998-03-25 1999-03-23 Verfahren und Vorrichtung zur Schätzung der Empfangssignalstärke

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69933924T Expired - Lifetime DE69933924T2 (de) 1998-03-25 1999-03-23 Verfahren und Vorrichtung zur Schätzung der Empfangssignalstärke

Country Status (10)

Country Link
US (1) US6201954B1 (https=)
EP (2) EP1605606B1 (https=)
JP (1) JP2002508617A (https=)
KR (1) KR100650020B1 (https=)
CN (1) CN1123989C (https=)
AR (1) AR014214A1 (https=)
AU (1) AU3361599A (https=)
DE (2) DE69943206D1 (https=)
TW (1) TW437191B (https=)
WO (1) WO1999049588A1 (https=)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6510189B1 (en) * 1997-09-10 2003-01-21 Matsushita Electric Industrial Co., Ltd. Channel switching device and channel switching method
US9118387B2 (en) 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US7184426B2 (en) 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
US6509934B1 (en) * 1998-12-22 2003-01-21 Mitsubishi Electric Research Laboratories, Inc. Directing an antenna to receive digital television signals
DE19920819C1 (de) * 1999-05-06 2000-10-26 Bosch Gmbh Robert Verfahren und Vorrichtung zur Schätzung von gedächtnisbehafteten Übertragungskanälen
US6377607B1 (en) * 1999-05-13 2002-04-23 Qualcomm Incorporated System and method for performing accurate demodulation of turbo-encoded signals via pilot assisted coherent demodulation
US6452959B1 (en) * 1999-05-28 2002-09-17 Dot Wireless, Inc. Method of and apparatus for generating data sequences for use in communications
US20020137513A1 (en) * 1999-12-13 2002-09-26 Koichi Aihara Communication terminal apparatus and radio communication method
CN101034920A (zh) * 2000-02-23 2007-09-12 Ipr特许公司 反向链路初始功率的设定
US6477162B1 (en) * 2000-03-31 2002-11-05 Qualcomm, Incorporated Dynamically adjusting integration interval based on a signal strength
US6611794B1 (en) * 2000-04-20 2003-08-26 Southwest Research Institute Signal amplitude restoration apparatus and method
JP4536319B2 (ja) * 2000-08-02 2010-09-01 パナソニック株式会社 送信装置、受信装置および無線通信システム
CN101489250B (zh) * 2000-08-02 2012-04-18 松下电器产业株式会社 通信终端装置和无线通信方法
US6952561B1 (en) * 2000-08-31 2005-10-04 Lucent Technologies Inc. Enhanced metric for bit detection on fading channels with unknown statistics
DE10050330A1 (de) * 2000-10-11 2002-04-25 Infineon Technologies Ag Signalstärkeausgleich für stark zeitvariante Mobilfunkkanäle
US7103537B2 (en) * 2000-10-13 2006-09-05 Science Applications International Corporation System and method for linear prediction
US7068683B1 (en) * 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US6973098B1 (en) 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
US9100457B2 (en) 2001-03-28 2015-08-04 Qualcomm Incorporated Method and apparatus for transmission framing in a wireless communication system
GB2377128B (en) * 2001-06-29 2004-09-08 Nokia Corp Automatic gain control
US7352868B2 (en) 2001-10-09 2008-04-01 Philip Hawkes Method and apparatus for security in a data processing system
US8082286B1 (en) 2002-04-22 2011-12-20 Science Applications International Corporation Method and system for soft-weighting a reiterative adaptive signal processor
US7190741B1 (en) 2002-10-21 2007-03-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Real-time signal-to-noise ratio (SNR) estimation for BPSK and QPSK modulation using the active communications channel
US7415065B2 (en) * 2002-10-25 2008-08-19 Science Applications International Corporation Adaptive filtering in the presence of multipath
US7599655B2 (en) 2003-01-02 2009-10-06 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
US6996763B2 (en) * 2003-01-10 2006-02-07 Qualcomm Incorporated Operation of a forward link acknowledgement channel for the reverse link data
US20040235423A1 (en) * 2003-01-14 2004-11-25 Interdigital Technology Corporation Method and apparatus for network management using perceived signal to noise and interference indicator
US7738848B2 (en) 2003-01-14 2010-06-15 Interdigital Technology Corporation Received signal to noise indicator
US8023950B2 (en) 2003-02-18 2011-09-20 Qualcomm Incorporated Systems and methods for using selectable frame durations in a wireless communication system
US7155236B2 (en) * 2003-02-18 2006-12-26 Qualcomm Incorporated Scheduled and autonomous transmission and acknowledgement
US7660282B2 (en) * 2003-02-18 2010-02-09 Qualcomm Incorporated Congestion control in a wireless data network
US8081598B2 (en) * 2003-02-18 2011-12-20 Qualcomm Incorporated Outer-loop power control for wireless communication systems
US7286846B2 (en) * 2003-02-18 2007-10-23 Qualcomm, Incorporated Systems and methods for performing outer loop power control in wireless communication systems
US20040160922A1 (en) * 2003-02-18 2004-08-19 Sanjiv Nanda Method and apparatus for controlling data rate of a reverse link in a communication system
US8150407B2 (en) * 2003-02-18 2012-04-03 Qualcomm Incorporated System and method for scheduling transmissions in a wireless communication system
US8391249B2 (en) * 2003-02-18 2013-03-05 Qualcomm Incorporated Code division multiplexing commands on a code division multiplexed channel
US7505780B2 (en) * 2003-02-18 2009-03-17 Qualcomm Incorporated Outer-loop power control for wireless communication systems
US7215930B2 (en) * 2003-03-06 2007-05-08 Qualcomm, Incorporated Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication
US8705588B2 (en) 2003-03-06 2014-04-22 Qualcomm Incorporated Systems and methods for using code space in spread-spectrum communications
SG152924A1 (en) 2003-03-12 2009-06-29 Interdigital Tech Corp System and method for received channel power indicator (rcpi) measurement
US8477592B2 (en) * 2003-05-14 2013-07-02 Qualcomm Incorporated Interference and noise estimation in an OFDM system
US8489949B2 (en) 2003-08-05 2013-07-16 Qualcomm Incorporated Combining grant, acknowledgement, and rate control commands
US7242914B2 (en) * 2004-06-16 2007-07-10 Telefonaktiebolaget Lm Ericsson (Publ) Method of automatic gain control for multiple receiver front-ends
KR100755686B1 (ko) * 2005-01-04 2007-09-05 삼성전자주식회사 신호 증폭 장치 및 방법
US8149797B2 (en) * 2006-06-30 2012-04-03 Hewlett-Packard Development Company, L.P. Visualization of RF neighbor correlation in a single view
US7894864B2 (en) * 2007-09-28 2011-02-22 Texas Instruments Incorporated Estimation of power level in a communication device
TWI379555B (en) * 2009-01-14 2012-12-11 Realtek Semiconductor Corp Wireless network connection device and method
US8068410B2 (en) * 2009-02-27 2011-11-29 Ibasis, Inc. Bias correction for scrubbing providers
JPWO2012133691A1 (ja) * 2011-03-30 2014-07-28 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 受信装置および受信方法、ならびにコンピュータプログラム
TWI565272B (zh) * 2015-01-28 2017-01-01 晨星半導體股份有限公司 通訊系統及其相位誤差估計方法
CN114465680B (zh) * 2022-02-15 2024-01-19 上海兆煊微电子有限公司 一种应用于低功耗蓝牙的高精度rssi估计方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224271A (en) * 1938-10-26 1940-12-10 Louis S Sanders Drawing and method of and medium for making the same
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
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
US5457818A (en) * 1990-06-08 1995-10-10 Butler; James A. Detection threshold adjustment method for linear matched filter receivers
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
CA2175860C (en) * 1995-06-02 2001-03-27 Randall Wayne Rich Apparatus and method for optimizing the quality of a received signal in a radio receiver
US5642377A (en) 1995-07-25 1997-06-24 Nokia Mobile Phones, Ltd. Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems
KR100321865B1 (ko) * 1996-04-12 2002-03-08 다치카와 게이지 수신sir측정방법,장치및송신전력컨트롤러
JPH09321559A (ja) * 1996-05-24 1997-12-12 Oki Electric Ind Co Ltd 自動利得制御回路
US5982811A (en) * 1996-07-12 1999-11-09 General Electric Company Method for efficient sampling in a correlator

Also Published As

Publication number Publication date
KR100650020B1 (ko) 2006-11-27
KR20010034666A (ko) 2001-04-25
CN1123989C (zh) 2003-10-08
EP1064732A1 (en) 2001-01-03
DE69933924T2 (de) 2007-12-06
EP1605606A2 (en) 2005-12-14
CN1294791A (zh) 2001-05-09
HK1034615A1 (en) 2001-10-26
AR014214A1 (es) 2001-02-07
DE69933924D1 (de) 2006-12-21
EP1605606A3 (en) 2006-09-06
AU3361599A (en) 1999-10-18
US6201954B1 (en) 2001-03-13
TW437191B (en) 2001-05-28
EP1064732B1 (en) 2006-11-08
EP1605606B1 (en) 2011-02-16
HK1086678A1 (en) 2006-09-22
WO1999049588A1 (en) 1999-09-30
JP2002508617A (ja) 2002-03-19

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