CN1123989C - 对接收到的信号的信号强度提供估计的方法和系统 - Google Patents

对接收到的信号的信号强度提供估计的方法和系统 Download PDF

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Publication number
CN1123989C
CN1123989C CN99804371A CN99804371A CN1123989C CN 1123989 C CN1123989 C CN 1123989C CN 99804371 A CN99804371 A CN 99804371A CN 99804371 A CN99804371 A CN 99804371A CN 1123989 C CN1123989 C CN 1123989C
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China
Prior art keywords
signal
energy
signal strength
records
estimation
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Expired - Lifetime
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CN99804371A
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Chinese (zh)
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CN1294791A (zh
Inventor
S·S·索利曼
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Qualcomm Inc
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Qualcomm Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/16Performing reselection for specific purposes
    • H04W36/18Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data

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  • 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)
CN99804371A 1998-03-25 1999-03-23 对接收到的信号的信号强度提供估计的方法和系统 Expired - Lifetime CN1123989C (zh)

Applications Claiming Priority (2)

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
US09/048,454 1998-03-25

Publications (2)

Publication Number Publication Date
CN1294791A CN1294791A (zh) 2001-05-09
CN1123989C true CN1123989C (zh) 2003-10-08

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ID=21954681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99804371A Expired - Lifetime CN1123989C (zh) 1998-03-25 1999-03-23 对接收到的信号的信号强度提供估计的方法和系统

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=)

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US9100457B2 (en) 2001-03-28 2015-08-04 Qualcomm Incorporated Method and apparatus for transmission framing in a wireless communication system
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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
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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
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Also Published As

Publication number Publication date
KR100650020B1 (ko) 2006-11-27
KR20010034666A (ko) 2001-04-25
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
DE69943206D1 (de) 2011-03-31

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BB1A Publication of application
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Holy land, California, Egypt

Patentee after: Qualcomm Inc.

Address before: Holy land, California, Egypt

Patentee before: Qualcomm Inc.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20031008