TWI320641B - Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols - Google Patents

Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols

Info

Publication number
TWI320641B
TWI320641B TW095115812A TW95115812A TWI320641B TW I320641 B TWI320641 B TW I320641B TW 095115812 A TW095115812 A TW 095115812A TW 95115812 A TW95115812 A TW 95115812A TW I320641 B TWI320641 B TW I320641B
Authority
TW
Taiwan
Prior art keywords
noise ratio
physical channel
pilot symbols
ratio based
dedicated physical
Prior art date
Application number
TW095115812A
Other languages
English (en)
Other versions
TW200642326A (en
Inventor
Li Bin
Yang Rui
S Sternberg Gregory
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200642326A publication Critical patent/TW200642326A/zh
Application granted granted Critical
Publication of TWI320641B publication Critical patent/TWI320641B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
TW095115812A 2005-05-06 2006-05-03 Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols TWI320641B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67864705P 2005-05-06 2005-05-06
US11/153,967 US7356071B2 (en) 2005-05-06 2005-06-16 Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols

Publications (2)

Publication Number Publication Date
TW200642326A TW200642326A (en) 2006-12-01
TWI320641B true TWI320641B (en) 2010-02-11

Family

ID=37394005

Family Applications (3)

Application Number Title Priority Date Filing Date
TW095115812A TWI320641B (en) 2005-05-06 2006-05-03 Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols
TW095141053A TW200735567A (en) 2005-05-06 2006-05-03 Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols
TW098118625A TWI415415B (zh) 2005-05-06 2006-05-03 以專用實體頻道導頻符號估算信噪比方法及裝置

Family Applications After (2)

Application Number Title Priority Date Filing Date
TW095141053A TW200735567A (en) 2005-05-06 2006-05-03 Method and apparatus for estimating signal-to-noise ratio based on dedicated physical channel pilot symbols
TW098118625A TWI415415B (zh) 2005-05-06 2006-05-03 以專用實體頻道導頻符號估算信噪比方法及裝置

Country Status (3)

Country Link
US (1) US7356071B2 (zh)
TW (3) TWI320641B (zh)
WO (1) WO2006121721A2 (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7852746B2 (en) * 2004-08-25 2010-12-14 Qualcomm Incorporated Transmission of signaling in an OFDM-based system
US8396141B2 (en) * 2005-11-29 2013-03-12 Telefonaktiebolaget L M Ericsson (Publ) Efficient cell selection
US7809395B2 (en) * 2006-02-15 2010-10-05 Broadcom Corporation Method and system for controlling transmit circuitry in a wide band CDMA network
US8731593B2 (en) * 2006-02-15 2014-05-20 Broadcom Corporation Method and apparatus for processing transmit power control (TPC) commands in a wideband CDMA (WCDMA) network
US7907961B2 (en) * 2006-06-07 2011-03-15 Broadcom Corporation Method and apparatus for improving noise power estimate in a WCDMA network
US7729663B2 (en) * 2006-06-30 2010-06-01 Intel Corporation Signal-to-noise ratio (SNR) determination in the frequency domain
US7484136B2 (en) * 2006-06-30 2009-01-27 Intel Corporation Signal-to-noise ratio (SNR) determination in the time domain
GB0624978D0 (en) * 2006-12-14 2007-01-24 Ttp Communications Ltd Noise/quality estimation for signals
TWI350070B (en) * 2007-06-28 2011-10-01 Sunplus Mmobile Inc Rake receiver and de-spreading method thereof
US8014438B2 (en) * 2007-08-01 2011-09-06 Broadcom Corporation Method and apparatus to compute a noise power estimate in a WCDMA network based on dedicated physical control channel (DPCCH) processing
CN101582711B (zh) * 2008-05-14 2012-08-01 电信科学技术研究院 一种天线模式选择方法、系统及装置
EP2202906B1 (en) * 2008-12-23 2015-05-20 STMicroelectronics S.r.l. Data-aided signal-to-noise ratio estimate for M-DPSK modulation systems with division of the received samples into blocks
US8750357B1 (en) * 2009-06-03 2014-06-10 Marvell International Ltd. Systems and methods for estimating signal to interference and noise power ratio in multiple domains
US9143286B2 (en) 2010-01-19 2015-09-22 Nitero Pty Limited Estimation of signal to noise ratio in receivers
US9294937B2 (en) * 2011-10-05 2016-03-22 Qualcomm Incorporated Apparatus and method for selection between receivers in a wireless communication system
US9276629B2 (en) * 2011-11-17 2016-03-01 Intel Deutschland Gmbh Rake receiver circuit and method for operating a rake receiver circuit
EP2961090B1 (en) * 2013-02-20 2019-05-01 Mitsubishi Electric Corporation Communication line quality estimation apparatus, transmitter and receiver
WO2015123844A1 (en) * 2014-02-20 2015-08-27 Telefonaktiebolaget L M Ericsson (Publ) Snr estimation method, snr estimation device, computer program and storage medium
CN105049099B (zh) * 2015-06-25 2018-05-29 北京科技大学 Lte多天线系统的多天线自适应调度方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030125040A1 (en) * 2001-11-06 2003-07-03 Walton Jay R. Multiple-access multiple-input multiple-output (MIMO) communication system
US7200190B2 (en) * 2003-06-30 2007-04-03 Motorola, Inc. Unbiased signal to interference ratio in wireless communications devices and methods therefor

Also Published As

Publication number Publication date
US20060251152A1 (en) 2006-11-09
WO2006121721A2 (en) 2006-11-16
WO2006121721A3 (en) 2007-05-18
TW201014258A (en) 2010-04-01
TW200735567A (en) 2007-09-16
TW200642326A (en) 2006-12-01
US7356071B2 (en) 2008-04-08
TWI415415B (zh) 2013-11-11

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees