CN1159858C - Cdma接收器 - Google Patents
Cdma接收器 Download PDFInfo
- Publication number
- CN1159858C CN1159858C CNB01800248XA CN01800248A CN1159858C CN 1159858 C CN1159858 C CN 1159858C CN B01800248X A CNB01800248X A CN B01800248XA CN 01800248 A CN01800248 A CN 01800248A CN 1159858 C CN1159858 C CN 1159858C
- Authority
- CN
- China
- Prior art keywords
- signal
- cdma
- circuit
- cdma receiver
- passage
- 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
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
- 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
- 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
- H04B1/7103—Interference-related aspects the interference being multiple access interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
- H04J13/0044—OVSF [orthogonal variable spreading factor]
-
- 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
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Surgical Instruments (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10001649.9 | 2000-01-17 | ||
DE10001649A DE10001649A1 (de) | 2000-01-17 | 2000-01-17 | CDMA-Empfänger |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1363145A CN1363145A (zh) | 2002-08-07 |
CN1159858C true CN1159858C (zh) | 2004-07-28 |
Family
ID=7627716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01800248XA Expired - Fee Related CN1159858C (zh) | 2000-01-17 | 2001-01-17 | Cdma接收器 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6888877B2 (zh) |
EP (1) | EP1181780B1 (zh) |
JP (1) | JP2003521148A (zh) |
KR (1) | KR20010111278A (zh) |
CN (1) | CN1159858C (zh) |
AT (1) | ATE395752T1 (zh) |
DE (2) | DE10001649A1 (zh) |
WO (1) | WO2001054322A2 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3031354B1 (ja) * | 1998-09-30 | 2000-04-10 | 日本電気株式会社 | Cdma受信装置及びそのマルチパスのフィンガ割り当て方法並びにその制御プログラムを記録した記録媒体 |
KR20020031667A (ko) * | 2000-10-23 | 2002-05-03 | 류하영 | 순차 다중경로 신호합침을 이용한 무선 이동통신 시스템의다중경로 수신기 및 다중경로 수신방법 |
US7423976B2 (en) | 2002-09-24 | 2008-09-09 | Interdigital Technology Corporation | Block error rate estimate reporting for target signal to interference ratio adjustment |
JP3943062B2 (ja) * | 2003-08-25 | 2007-07-11 | シャープ株式会社 | Cdma受信装置、cdma受信方法、cdma受信プログラム、及び、プログラム記録媒体 |
US7738534B2 (en) * | 2003-11-24 | 2010-06-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-transmitter interference suppression using code-specific combining |
US8432952B2 (en) * | 2003-11-24 | 2013-04-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for DS-CDMA interference suppression using code-specific combining |
US7310394B2 (en) * | 2004-01-09 | 2007-12-18 | Wang Xiao-An | LMMSE-based RAKE receiver with channel tap assignment |
MXPA06010082A (es) * | 2004-03-05 | 2006-12-15 | Qualcomm Inc | Metodo y aparato para control de diversidad de recepcion en comunicaciones inalambricas. |
JP4482026B2 (ja) * | 2004-03-05 | 2010-06-16 | クゥアルコム・インコーポレイテッド | 無線通信におけるマルチアンテナ受信ダイバーシティ制御 |
US7916681B2 (en) * | 2005-05-20 | 2011-03-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for communication channel error rate estimation |
EP1927198A2 (en) * | 2005-09-21 | 2008-06-04 | Mobile Peak Holdings Ltd. | Flexible and monolithic rake receiver |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9023605D0 (en) * | 1990-10-30 | 1990-12-12 | British Telecomm | Digital radio |
US5812542A (en) * | 1996-03-18 | 1998-09-22 | Motorola, Inc. | Method for determining weighting coefficients in a CDMA radio receiver |
FI940692A (fi) * | 1994-02-14 | 1995-08-15 | Nokia Mobile Phones Ltd | Menetelmä impulssivasteen huippukohtien etsimiseksi sekä vastaanotin |
EP1361687B1 (en) * | 1994-06-23 | 2006-05-10 | NTT DoCoMo, Inc. | CDMA demodulation circuit and demodulation method |
US5648983A (en) * | 1995-04-24 | 1997-07-15 | Lucent Technologies Inc. | CDMA rake receiver with sub-chip resolution |
US5671221A (en) * | 1995-06-14 | 1997-09-23 | Sharp Microelectronics Technology, Inc. | Receiving method and apparatus for use in a spread-spectrum communication system |
DE19736624C1 (de) * | 1997-08-22 | 1999-01-14 | Siemens Ag | Einrichtung zur Signalverarbeitung für ein Funk-Kommunikationssystem |
JP3441638B2 (ja) * | 1997-12-18 | 2003-09-02 | 株式会社エヌ・ティ・ティ・ドコモ | チャネル推定値を求める装置および方法 |
-
2000
- 2000-01-17 DE DE10001649A patent/DE10001649A1/de not_active Ceased
-
2001
- 2001-01-17 US US09/936,771 patent/US6888877B2/en not_active Expired - Fee Related
- 2001-01-17 KR KR1020017011798A patent/KR20010111278A/ko active IP Right Grant
- 2001-01-17 WO PCT/EP2001/000494 patent/WO2001054322A2/de active IP Right Grant
- 2001-01-17 DE DE50113964T patent/DE50113964D1/de not_active Expired - Lifetime
- 2001-01-17 JP JP2001553694A patent/JP2003521148A/ja not_active Withdrawn
- 2001-01-17 AT AT01915142T patent/ATE395752T1/de not_active IP Right Cessation
- 2001-01-17 CN CNB01800248XA patent/CN1159858C/zh not_active Expired - Fee Related
- 2001-01-17 EP EP01915142A patent/EP1181780B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1181780B1 (de) | 2008-05-14 |
JP2003521148A (ja) | 2003-07-08 |
US6888877B2 (en) | 2005-05-03 |
EP1181780A2 (de) | 2002-02-27 |
DE10001649A1 (de) | 2001-08-02 |
US20040213332A1 (en) | 2004-10-28 |
KR20010111278A (ko) | 2001-12-17 |
DE50113964D1 (de) | 2008-06-26 |
ATE395752T1 (de) | 2008-05-15 |
CN1363145A (zh) | 2002-08-07 |
WO2001054322A2 (de) | 2001-07-26 |
WO2001054322A3 (de) | 2001-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGY DELTA CO., LTD. Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG Effective date: 20111028 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFINEON TECH AG |
|
CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
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TR01 | Transfer of patent right |
Effective date of registration: 20111028 Address after: Neubiberg, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
|
ASS | Succession or assignment of patent right |
Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Free format text: FORMER OWNER: INFINEON TECHNOLOGY DELTA AG Effective date: 20120614 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INTEL MOBILE COMMUNICATIONS LTD. Free format text: FORMER NAME: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120614 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Infineon Technologies AG |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040728 Termination date: 20170117 |