CN1411193A - 接收装置和半导体装置 - Google Patents
接收装置和半导体装置 Download PDFInfo
- Publication number
- CN1411193A CN1411193A CN02105968A CN02105968A CN1411193A CN 1411193 A CN1411193 A CN 1411193A CN 02105968 A CN02105968 A CN 02105968A CN 02105968 A CN02105968 A CN 02105968A CN 1411193 A CN1411193 A CN 1411193A
- Authority
- CN
- China
- Prior art keywords
- signal
- demodulation
- storage area
- receiving system
- demodulation part
- 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title claims description 11
- 238000003860 storage Methods 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000005070 sampling Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000000872 buffer Substances 0.000 description 38
- 238000010586 diagram Methods 0.000 description 8
- 230000002123 temporal effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001310345A JP3871540B2 (ja) | 2001-10-05 | 2001-10-05 | 受信装置および半導体装置 |
JP310345/2001 | 2001-10-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1411193A true CN1411193A (zh) | 2003-04-16 |
CN1208919C CN1208919C (zh) | 2005-06-29 |
Family
ID=19129334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021059683A Expired - Fee Related CN1208919C (zh) | 2001-10-05 | 2002-04-12 | 接收装置和半导体装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7035318B2 (zh) |
EP (1) | EP1300961B1 (zh) |
JP (1) | JP3871540B2 (zh) |
CN (1) | CN1208919C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101127973B (zh) * | 2006-12-18 | 2011-11-02 | 浙江华立通信集团有限公司 | Td-scdma/3g/4g终端多径接收合并器 |
US8125973B2 (en) | 2007-03-30 | 2012-02-28 | Mediatek Inc. | Time shared rake fingers and path searcher |
CN103546193A (zh) * | 2012-07-09 | 2014-01-29 | 中兴通讯股份有限公司 | 重构处理方法及装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6771693B2 (en) | 2001-12-27 | 2004-08-03 | Interdigital Technology Corporation | Enhanced rake structure |
US7103091B2 (en) * | 2002-05-07 | 2006-09-05 | Stmicroelectronics, Inc. | Common data path rake receiver for a CDMA demodulator circuit |
US7596134B2 (en) * | 2002-07-03 | 2009-09-29 | Freescale Semiconductor, Inc. | Flexible method and apparatus for performing digital modulation and demodulation |
EP1961135B1 (en) * | 2005-12-14 | 2018-02-28 | Telefonaktiebolaget LM Ericsson (publ) | Despreading-on-demand for use in spread spectrum receivers |
JP5320811B2 (ja) * | 2008-05-13 | 2013-10-23 | 富士通株式会社 | Rake受信機、基地局装置、受信制御方法および受信制御プログラム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5682403A (en) * | 1995-05-04 | 1997-10-28 | Wavelink Communications | Spread spectrum communication network signal processor |
FR2737362B1 (fr) * | 1995-07-25 | 1997-10-10 | Matra Communication | Procede de selection des retards de propagation retenus pour recevoir des messages transmis par radiocommunication a etalement de spectre |
JP2820918B2 (ja) * | 1996-03-08 | 1998-11-05 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | スペクトル拡散通信装置 |
US5903550A (en) * | 1997-01-02 | 1999-05-11 | Motorola, Inc. | Method and system for parallel demodulation of multiple chips of a CDMA signal |
JP3680592B2 (ja) | 1998-10-30 | 2005-08-10 | 株式会社日立製作所 | 通信装置 |
EP1107471B1 (en) * | 1999-12-10 | 2006-03-08 | Lucent Technologies Inc. | Time division multiplexed rake finger for W-CDMA |
JP3414353B2 (ja) * | 2000-03-15 | 2003-06-09 | 日本電気株式会社 | Cdma復調装置及びその方法 |
EP1317833B1 (en) * | 2000-07-31 | 2013-04-17 | Intel Mobile Communications GmbH | Apparatus and methods for sample selection and reuse of rake fingers in spread spectrum systems |
-
2001
- 2001-10-05 JP JP2001310345A patent/JP3871540B2/ja not_active Expired - Fee Related
-
2002
- 2002-03-20 EP EP20020251992 patent/EP1300961B1/en not_active Expired - Fee Related
- 2002-03-26 US US10/105,191 patent/US7035318B2/en not_active Expired - Lifetime
- 2002-04-12 CN CNB021059683A patent/CN1208919C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101127973B (zh) * | 2006-12-18 | 2011-11-02 | 浙江华立通信集团有限公司 | Td-scdma/3g/4g终端多径接收合并器 |
US8125973B2 (en) | 2007-03-30 | 2012-02-28 | Mediatek Inc. | Time shared rake fingers and path searcher |
CN103546193A (zh) * | 2012-07-09 | 2014-01-29 | 中兴通讯股份有限公司 | 重构处理方法及装置 |
CN103546193B (zh) * | 2012-07-09 | 2017-02-08 | 中兴通讯股份有限公司 | 重构处理方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US7035318B2 (en) | 2006-04-25 |
US20030067965A1 (en) | 2003-04-10 |
JP3871540B2 (ja) | 2007-01-24 |
JP2003115821A (ja) | 2003-04-18 |
EP1300961A2 (en) | 2003-04-09 |
EP1300961B1 (en) | 2014-08-13 |
CN1208919C (zh) | 2005-06-29 |
EP1300961A3 (en) | 2004-12-01 |
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Legal Events
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090206 Address after: Tokyo, Japan Patentee after: FUJITSU MICROELECTRONICS Ltd. Address before: Kanagawa, Japan Patentee before: Fujitsu Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: FUJITSU MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20090206 |
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C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Kanagawa Patentee after: Fujitsu Microelectronics Ltd. Address before: Tokyo, Japan Patentee before: Fujitsu Microelectronics Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: SUOSI FUTURE CO., LTD. Free format text: FORMER OWNER: FUJITSU SEMICONDUCTOR CO., LTD. Effective date: 20150611 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: FUJITSU SEMICONDUCTOR CO., LTD. Free format text: FORMER NAME: FUJITSU MICROELECTRON CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Kanagawa Patentee after: FUJITSU MICROELECTRONICS Ltd. Address before: Kanagawa Patentee before: Fujitsu Microelectronics Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20150611 Address after: Kanagawa Patentee after: SOCIONEXT Inc. Address before: Kanagawa Patentee before: FUJITSU MICROELECTRONICS Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050629 Termination date: 20190412 |
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CF01 | Termination of patent right due to non-payment of annual fee |