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 |
---|---|---|---|
JP310345/2001 | 2001-10-05 | ||
JP2001310345A JP3871540B2 (ja) | 2001-10-05 | 2001-10-05 | 受信装置および半導体装置 |
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 |
US20040071199A1 (en) * | 2002-07-03 | 2004-04-15 | Commasic, Inc. | Virtual finger method and apparatus for processing digital communication signals |
JP5312040B2 (ja) * | 2005-12-14 | 2013-10-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | スペクトル拡散受信機において使用されるオンデマンド逆拡散処理 |
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 |
WO2002011387A1 (en) * | 2000-07-31 | 2002-02-07 | Morphics Technology, Inc. | 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 |
---|---|
US20030067965A1 (en) | 2003-04-10 |
CN1208919C (zh) | 2005-06-29 |
JP3871540B2 (ja) | 2007-01-24 |
US7035318B2 (en) | 2006-04-25 |
JP2003115821A (ja) | 2003-04-18 |
EP1300961A3 (en) | 2004-12-01 |
EP1300961A2 (en) | 2003-04-09 |
EP1300961B1 (en) | 2014-08-13 |
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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 | ||
PB01 | 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 |