ATE536666T1 - Skalierung in einem empfänger für codierte digitale datasymbole - Google Patents

Skalierung in einem empfänger für codierte digitale datasymbole

Info

Publication number
ATE536666T1
ATE536666T1 AT04388092T AT04388092T ATE536666T1 AT E536666 T1 ATE536666 T1 AT E536666T1 AT 04388092 T AT04388092 T AT 04388092T AT 04388092 T AT04388092 T AT 04388092T AT E536666 T1 ATE536666 T1 AT E536666T1
Authority
AT
Austria
Prior art keywords
calculated
scaling factor
amplitude value
receiver
digital data
Prior art date
Application number
AT04388092T
Other languages
English (en)
Inventor
Andreas Cedergren
Elias Jonsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE536666T1 publication Critical patent/ATE536666T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49936—Normalisation mentioned as feature only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • 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
    • H04B2201/70707—Efficiency-related aspects
    • 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
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709727—GRAKE type RAKE receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT04388092T 2004-12-20 2004-12-20 Skalierung in einem empfänger für codierte digitale datasymbole ATE536666T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04388092A EP1672807B1 (de) 2004-12-20 2004-12-20 Skalierung in einem Empfänger für codierte digitale Datasymbole

Publications (1)

Publication Number Publication Date
ATE536666T1 true ATE536666T1 (de) 2011-12-15

Family

ID=34931972

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04388092T ATE536666T1 (de) 2004-12-20 2004-12-20 Skalierung in einem empfänger für codierte digitale datasymbole

Country Status (5)

Country Link
US (1) US8068532B2 (de)
EP (1) EP1672807B1 (de)
JP (1) JP4917547B2 (de)
AT (1) ATE536666T1 (de)
WO (1) WO2006066648A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7916773B2 (en) * 2004-12-20 2011-03-29 Telefonaktiebolaget L M Ericsson (Publ) Scaling and truncating in a receiver for coded digital data symbols
US8295329B2 (en) * 2007-04-24 2012-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Efficient computation of soft scaling factors for linear multi-user detector
US7738535B2 (en) 2007-05-22 2010-06-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for removing pilot channel amplitude dependencies from RAKE receiver output
US8467476B2 (en) * 2007-09-17 2013-06-18 Mediatek Inc. Scaling apparatus of a receiver
JP5369884B2 (ja) * 2009-05-15 2013-12-18 富士通株式会社 無線基地局、無線基地局におけるデータ処理方法
US8374219B2 (en) * 2009-11-23 2013-02-12 Telefonaktiebolaget L M Ericsson (Publ) Blind spreading factor detection for wideband code division multiple access (WCDMA)
US12456999B2 (en) 2022-09-16 2025-10-28 Apple Inc. Electronic devices with adjustable received sample bit width

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5758257A (en) * 1994-11-29 1998-05-26 Herz; Frederick System and method for scheduling broadcast of and access to video programs and other data using customer profiles
JPH08335928A (ja) * 1995-06-07 1996-12-17 Oki Electric Ind Co Ltd 受信装置
JP2000252863A (ja) * 1999-02-25 2000-09-14 Mitsubishi Electric Corp マルチビーム合成受信装置
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
US6233273B1 (en) * 1999-06-29 2001-05-15 Intersil Americas Inc. Rake receiver with embedded decision feedback equalizer
FI107483B (fi) * 1999-10-22 2001-08-15 Nokia Mobile Phones Ltd Järjestely ja menetelmä sanan pituuden rajoittamiseksi
US6429808B1 (en) * 1999-11-12 2002-08-06 Motorola, Inc. Method and apparatus for assisted GPS integrity maintenance
JP3884218B2 (ja) * 2000-06-23 2007-02-21 三菱電機株式会社 スペクトル拡散受信装置
JP2002232302A (ja) * 2001-01-31 2002-08-16 Matsushita Electric Ind Co Ltd 復号装置及び復号方法
JP3526271B2 (ja) * 2001-02-08 2004-05-10 松下電器産業株式会社 復号装置および復号方法
JP4558225B2 (ja) * 2001-02-15 2010-10-06 株式会社日立国際電気 符号分割多重アクセス受信機
JP3679015B2 (ja) * 2001-02-27 2005-08-03 シャープ株式会社 Ｃｄｍａ方式の受信装置
JP4763908B2 (ja) * 2001-03-28 2011-08-31 富士通東芝モバイルコミュニケーションズ株式会社 無線通信端末及びその制御回路
JP3558053B2 (ja) * 2001-06-06 2004-08-25 日本電気株式会社 適応アンテナ受信装置
US7065171B1 (en) * 2001-10-22 2006-06-20 Cingular Wireless Ii, Llc Method for synchronization of received signals
US6801642B2 (en) * 2002-06-26 2004-10-05 Motorola, Inc. Method and apparatus for limiting storage or transmission of visual information
WO2004019576A1 (en) * 2002-08-14 2004-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Receiver and method for decoding of truncated data
US7260139B2 (en) * 2002-10-22 2007-08-21 Intel Corporation Method to reduce the number of bits per soft bit
US7092568B2 (en) * 2002-11-12 2006-08-15 Motorola, Inc. Limiting storage or transmission of visual information using optical character recognition
EP1443668A1 (de) * 2003-01-30 2004-08-04 Telefonaktiebolaget LM Ericsson (publ) Abkürzung und Pegelanpassung von RAKE-Ausgangssymbolen
JP4241132B2 (ja) * 2003-03-27 2009-03-18 日本電気株式会社 正規化装置及び正規化方法

Also Published As

Publication number Publication date
EP1672807B1 (de) 2011-12-07
US20080008228A1 (en) 2008-01-10
JP4917547B2 (ja) 2012-04-18
JP2008524882A (ja) 2008-07-10
WO2006066648A1 (en) 2006-06-29
US8068532B2 (en) 2011-11-29
EP1672807A1 (de) 2006-06-21

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