ATE536666T1 - Skalierung in einem empfänger für codierte digitale datasymbole - Google Patents
Skalierung in einem empfänger für codierte digitale datasymboleInfo
- 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
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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)
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 (6)
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) |
Family Cites Families (21)
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 |
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 |
JP2002232302A (ja) * | 2001-01-31 | 2002-08-16 | Matsushita Electric Ind Co Ltd | 復号装置及び復号方法 |
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 |
-
2004
- 2004-12-20 AT AT04388092T patent/ATE536666T1/de active
- 2004-12-20 EP EP04388092A patent/EP1672807B1/de not_active Not-in-force
-
2005
- 2005-10-21 JP JP2007545850A patent/JP4917547B2/ja not_active Expired - Fee Related
- 2005-10-21 WO PCT/EP2005/011379 patent/WO2006066648A1/en not_active Application Discontinuation
- 2005-10-21 US US11/721,582 patent/US8068532B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1672807A1 (de) | 2006-06-21 |
US8068532B2 (en) | 2011-11-29 |
US20080008228A1 (en) | 2008-01-10 |
EP1672807B1 (de) | 2011-12-07 |
JP4917547B2 (ja) | 2012-04-18 |
JP2008524882A (ja) | 2008-07-10 |
WO2006066648A1 (en) | 2006-06-29 |
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