CN1274205A - 码分多址蜂窝***的导频辅助业务信道估测 - Google Patents
码分多址蜂窝***的导频辅助业务信道估测 Download PDFInfo
- Publication number
- CN1274205A CN1274205A CN00106937A CN00106937A CN1274205A CN 1274205 A CN1274205 A CN 1274205A CN 00106937 A CN00106937 A CN 00106937A CN 00106937 A CN00106937 A CN 00106937A CN 1274205 A CN1274205 A CN 1274205A
- Authority
- CN
- China
- Prior art keywords
- signal
- traffic channel
- estimation
- cdma cellular
- pilot
- 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
- 230000001413 cellular effect Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000021615 conjugation Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000452 restraining effect 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
- 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
- H04B7/0848—Joint weighting
- H04B7/0851—Joint weighting using training sequences or error signal
-
- 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
-
- 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
- H04B2201/70702—Intercell-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/296,141 US6219344B1 (en) | 1999-04-21 | 1999-04-21 | Pilot aided traffic channel estimation for CDMA cellular systems |
US09/296141 | 1999-04-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1274205A true CN1274205A (zh) | 2000-11-22 |
CN1135744C CN1135744C (zh) | 2004-01-21 |
Family
ID=23140788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001069373A Expired - Lifetime CN1135744C (zh) | 1999-04-21 | 2000-04-21 | 码分多址蜂窝***的导频辅助业务信道的估测方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6219344B1 (zh) |
JP (1) | JP4502233B2 (zh) |
KR (1) | KR20000077048A (zh) |
CN (1) | CN1135744C (zh) |
DE (1) | DE10019116B4 (zh) |
GB (1) | GB2351879B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6587517B1 (en) * | 1998-12-23 | 2003-07-01 | Nortel Networks Limited | Multi-stage receiver |
US6452917B1 (en) * | 1999-04-08 | 2002-09-17 | Qualcomm Incorporated | Channel estimation in a CDMA wireless communication system |
US6304563B1 (en) * | 1999-04-23 | 2001-10-16 | Qualcomm Incorporated | Method and apparatus for processing a punctured pilot channel |
US6493329B1 (en) * | 1999-08-23 | 2002-12-10 | Qualcomm Incorporated | Adaptive channel estimation in a wireless communication system |
KR100606383B1 (ko) * | 2002-01-14 | 2006-07-28 | 주식회사 팬택앤큐리텔 | 이동통신 시스템에서의 타임-다중화된 파일롯 및 트래픽심볼을 이용한 채널 추정 장치 |
CN1323502C (zh) * | 2002-06-19 | 2007-06-27 | 上海贝尔有限公司 | 一种宽带码分多址指示信道接收器 |
CN1625066A (zh) * | 2003-12-05 | 2005-06-08 | 皇家飞利浦电子股份有限公司 | 一种用于无线通信体系的二维瑞克接收机 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5812542A (en) * | 1996-03-18 | 1998-09-22 | Motorola, Inc. | Method for determining weighting coefficients in a CDMA radio receiver |
US5809020A (en) * | 1996-03-18 | 1998-09-15 | Motorola, Inc. | Method for adaptively adjusting weighting coefficients in a cDMA radio receiver |
JP2820919B2 (ja) * | 1996-03-25 | 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 | Cdma移動体通信システムおよび送受信機 |
US5737327A (en) * | 1996-03-29 | 1998-04-07 | Motorola, Inc. | Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system |
US5754583A (en) * | 1996-05-06 | 1998-05-19 | Motorola, Inc. | Communication device and method for determining finger lock status in a radio receiver |
US5930288A (en) * | 1996-05-06 | 1999-07-27 | Motorola, Inc. | Time-shared lock indicator circuit and method for power control and traffic channel decoding in a radio receiver |
JP3305639B2 (ja) | 1997-12-24 | 2002-07-24 | 株式会社エヌ・ティ・ティ・ドコモ | 直接拡散cdma伝送方式におけるrake受信機 |
JPH11239080A (ja) * | 1998-02-23 | 1999-08-31 | Nippon Telegr & Teleph Corp <Ntt> | スペクトル拡散受信装置 |
JP3406831B2 (ja) | 1998-03-19 | 2003-05-19 | 富士通株式会社 | 無線基地局のアレーアンテナシステム |
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 |
US6931050B1 (en) * | 1998-12-03 | 2005-08-16 | Ericsson Inc. | Digital receivers and receiving methods that scale for relative strengths of traffic and pilot channels during soft handoff |
CA2298273A1 (en) * | 1999-02-22 | 2000-08-22 | Lucent Technologies Inc. | Method and system for compensation of channel distortion using lagrange polynomial interpolation |
WO2000054418A1 (en) * | 1999-03-10 | 2000-09-14 | Nokia Mobile Phones Ltd. | Unsupervised adaptive chip separation filter for cdma terminal |
-
1999
- 1999-04-21 US US09/296,141 patent/US6219344B1/en not_active Expired - Lifetime
-
2000
- 2000-04-10 GB GB0008777A patent/GB2351879B/en not_active Expired - Lifetime
- 2000-04-18 DE DE10019116A patent/DE10019116B4/de not_active Expired - Lifetime
- 2000-04-19 KR KR1020000020614A patent/KR20000077048A/ko not_active Application Discontinuation
- 2000-04-21 CN CNB001069373A patent/CN1135744C/zh not_active Expired - Lifetime
- 2000-04-21 JP JP2000121293A patent/JP4502233B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2351879A8 (en) | 2001-02-14 |
US6219344B1 (en) | 2001-04-17 |
GB2351879B (en) | 2003-10-08 |
CN1135744C (zh) | 2004-01-21 |
JP4502233B2 (ja) | 2010-07-14 |
DE10019116B4 (de) | 2007-05-24 |
KR20000077048A (ko) | 2000-12-26 |
DE10019116A1 (de) | 2000-12-14 |
GB2351879A (en) | 2001-01-10 |
GB0008777D0 (en) | 2000-05-31 |
JP2000332652A (ja) | 2000-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CI03 | Correction of invention patent |
Correction item: Denomination of Invention Correct: Method for estimating pilot assisted service channel of CDMA cellular system False: Estimation method for pilot frequency auxiliary service channel of CDMA cellular system Number: 3 Page: The title page Volume: 20 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTION NAME; FROM: CDMA CELLULAR SYSTEM PILOT-ASSISTED SERVICE APPRAISAL SURVEY METHOD OF THE RADIO CHANNEL TO: CDMA CELLULAR SYSTEM'S PILOT-ASSISTED SERVICE APPRAISAL SURVEY METHOD OF THE RADIO CHANNEL |
|
ASS | Succession or assignment of patent right |
Owner name: LSI LOGIC CO.,LTD. Effective date: 20050826 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20050826 Address after: California, USA Co-patentee after: LSI Logic Co. Patentee after: INFINEON TECHNOLOGIES NORTH AMERICA Corp. Address before: California, USA Patentee before: INFINEON TECHNOLOGIES NORTH AMERICA Corp. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160913 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Patentee after: LSI Logic Co. Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications Technology Co.,Ltd. Patentee before: LSI Logic Co. Effective date of registration: 20160913 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications Technology Co.,Ltd. Patentee after: LSI Logic Co. Address before: Neubiberg, Germany Patentee before: Infineon Technologies AG Patentee before: LSI Logic Co. Effective date of registration: 20160913 Address after: Neubiberg, Germany Patentee after: Infineon Technologies AG Patentee after: LSI Logic Co. Address before: California, USA Patentee before: INFINEON TECHNOLOGIES NORTH AMERICA Corp. Patentee before: LSI Logic Co. |
|
CX01 | Expiry of patent term |
Granted publication date: 20040121 |
|
CX01 | Expiry of patent term |