DE60135813D1 - CDMA Empfangsgerät und -verfahren - Google Patents
CDMA Empfangsgerät und -verfahrenInfo
- Publication number
- DE60135813D1 DE60135813D1 DE60135813T DE60135813T DE60135813D1 DE 60135813 D1 DE60135813 D1 DE 60135813D1 DE 60135813 T DE60135813 T DE 60135813T DE 60135813 T DE60135813 T DE 60135813T DE 60135813 D1 DE60135813 D1 DE 60135813D1
- Authority
- DE
- Germany
- Prior art keywords
- cdma receiver
- cdma
- receiver
- 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.)
- Expired - Fee Related
Links
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
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- 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
- H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000233841A JP3730842B2 (ja) | 2000-08-02 | 2000-08-02 | Cdma受信装置及びその方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60135813D1 true DE60135813D1 (de) | 2008-10-30 |
Family
ID=18726308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60135813T Expired - Fee Related DE60135813D1 (de) | 2000-08-02 | 2001-07-31 | CDMA Empfangsgerät und -verfahren |
Country Status (4)
Country | Link |
---|---|
US (1) | US7233614B2 (de) |
EP (1) | EP1178614B1 (de) |
JP (1) | JP3730842B2 (de) |
DE (1) | DE60135813D1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003023371A (ja) | 2001-07-06 | 2003-01-24 | Nec Corp | Cdma受信機、その受信方法及びプログラム |
US6856646B2 (en) * | 2002-03-19 | 2005-02-15 | Nokia Corporation | T-spaced equalization for 1xEV systems |
DE10220906A1 (de) * | 2002-05-10 | 2003-12-24 | Infineon Technologies Ag | Rake-Demodulator mit Multicode-Finger |
JP3665322B2 (ja) * | 2003-10-24 | 2005-06-29 | 松下電器産業株式会社 | 無線受信装置およびフィンガ割り当て方法 |
US7856071B2 (en) * | 2005-07-26 | 2010-12-21 | Alcatel-Lucent Usa Inc. | Multi-path acquisition in the presence of very high data rate users |
US8085786B2 (en) * | 2007-03-16 | 2011-12-27 | Qualcomm Incorporated | H-ARQ throughput optimization by prioritized decoding |
CN102523140A (zh) * | 2012-01-12 | 2012-06-27 | 江苏电力信息技术有限公司 | 一种用于电力客户服务系统运维的实时监测装置 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2960199B2 (ja) | 1991-05-14 | 1999-10-06 | 株式会社東芝 | 無線データ伝送装置 |
JPH08125577A (ja) | 1994-10-20 | 1996-05-17 | Fujitsu General Ltd | スペクトラム拡散通信システム |
GB2309865A (en) * | 1996-01-30 | 1997-08-06 | Sony Corp | Radio receiver with Doppler frequency shift correction |
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 |
JPH09312881A (ja) | 1996-05-22 | 1997-12-02 | N T T Ido Tsushinmo Kk | Cdma移動通信システムにおける無線回線の構成方法 |
US5859840A (en) * | 1996-05-31 | 1999-01-12 | Qualcomm Incorporated | Spread spectrum communication system which defines channel groups comprising selected channels that are additional to a primary channel and transmits group messages during call set up |
JP3720141B2 (ja) * | 1996-10-01 | 2005-11-24 | 松下電器産業株式会社 | 移動体通信方法およびその装置 |
JPH10209919A (ja) * | 1997-01-21 | 1998-08-07 | Sony Corp | 受信装置及び受信方法、並びに携帯電話システムの端末装置 |
US5946344A (en) * | 1997-04-07 | 1999-08-31 | Intermec Ip Corp. | Multiple-rate direct sequence architecture utilizing a fixed chipping rate and variable spreading code lengths |
KR100369794B1 (ko) * | 1997-08-18 | 2003-04-11 | 삼성전자 주식회사 | 이동통신시스템의송신장치의대역확산신호발생장치및방법 |
JP3400310B2 (ja) | 1997-09-05 | 2003-04-28 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信のチャネル構成方法および移動通信システム |
US6407998B1 (en) | 1997-10-02 | 2002-06-18 | Thomson Licensing S.A. | Multimedia decoder for prioritized bi-directional communication in a broadcast system |
JPH11251959A (ja) | 1998-03-05 | 1999-09-17 | Fujitsu Ltd | 干渉キャンセラ装置及び無線通信装置 |
JPH11261440A (ja) * | 1998-03-11 | 1999-09-24 | Oki Electric Ind Co Ltd | 合成受信装置 |
JP4355448B2 (ja) | 1998-04-29 | 2009-11-04 | 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) | リソースの割り当て |
JP3028800B2 (ja) * | 1998-05-01 | 2000-04-04 | 日本電気株式会社 | Cdmaセルラシステム及びcdmaセルラシステムにおける拡散符号検出方法 |
JP2928776B1 (ja) | 1998-05-22 | 1999-08-03 | 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 |
JP3097664B2 (ja) | 1998-06-09 | 2000-10-10 | 日本電気株式会社 | Cdma通信のベ−スバンド処理回路 |
JP3279524B2 (ja) | 1998-07-17 | 2002-04-30 | 松下電器産業株式会社 | 基地局装置及び送受信回路割り当て方法 |
US5991285A (en) * | 1998-08-10 | 1999-11-23 | Motorola, Inc. | Method and apparatus for communicating signals of various channel types in CDMA communication system |
JP3031350B2 (ja) * | 1998-09-14 | 2000-04-10 | 日本電気株式会社 | スペクトラム拡散復調装置および方法 |
JP3031352B1 (ja) * | 1998-09-29 | 2000-04-10 | 日本電気株式会社 | 受信回路及びこれを有する移動端末 |
JP3447579B2 (ja) * | 1998-10-07 | 2003-09-16 | 松下電器産業株式会社 | 無線通信装置及び無線通信方法 |
CN1333957A (zh) * | 1998-11-23 | 2002-01-30 | 高通股份有限公司 | 不同数据速率下的信号处理 |
EP1142414B1 (de) | 1998-12-18 | 2008-02-13 | Telefonaktiebolaget LM Ericsson (publ) | Verfahren und vorrichtung zur reservierung von netzresourcen in einem mobilen funkkommunikationssystem |
KR100353338B1 (ko) * | 1999-03-17 | 2002-09-18 | 소니 가부시끼 가이샤 | 확산 스펙트럼 통신 장치 |
JP2000308120A (ja) * | 1999-04-15 | 2000-11-02 | Hitachi Ltd | チャネル割当制御方法 |
JP4568399B2 (ja) * | 1999-06-19 | 2010-10-27 | トランスパシフィック・ブルートゥース,リミテッド・ライアビリティ・カンパニー | 低速回線データ及び高速パケットデータ処理装置及びその方法 |
JP2001094472A (ja) | 1999-09-24 | 2001-04-06 | Toshiba Corp | 無線通信端末装置 |
JP2001197554A (ja) | 2000-01-05 | 2001-07-19 | Mitsubishi Electric Corp | 携帯通信システム及びこれに用いる通信方法 |
-
2000
- 2000-08-02 JP JP2000233841A patent/JP3730842B2/ja not_active Expired - Fee Related
-
2001
- 2001-07-31 DE DE60135813T patent/DE60135813D1/de not_active Expired - Fee Related
- 2001-07-31 EP EP20010117765 patent/EP1178614B1/de not_active Expired - Lifetime
- 2001-08-01 US US09/918,497 patent/US7233614B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20020018485A1 (en) | 2002-02-14 |
US7233614B2 (en) | 2007-06-19 |
JP2002050982A (ja) | 2002-02-15 |
EP1178614A2 (de) | 2002-02-06 |
EP1178614B1 (de) | 2008-09-17 |
EP1178614A3 (de) | 2004-12-01 |
JP3730842B2 (ja) | 2006-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |