CN100353677C - 接收装置和延迟分布中先头路径的检测方法 - Google Patents
接收装置和延迟分布中先头路径的检测方法 Download PDFInfo
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- CN100353677C CN100353677C CNB038049929A CN03804992A CN100353677C CN 100353677 C CN100353677 C CN 100353677C CN B038049929 A CNB038049929 A CN B038049929A CN 03804992 A CN03804992 A CN 03804992A CN 100353677 C CN100353677 C CN 100353677C
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- 238000000034 method Methods 0.000 title claims description 21
- 238000004891 communication Methods 0.000 claims description 22
- 238000004364 calculation method Methods 0.000 claims description 21
- 238000001228 spectrum Methods 0.000 description 21
- 238000005070 sampling Methods 0.000 description 15
- 238000006073 displacement reaction Methods 0.000 description 10
- 230000033228 biological regulation Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000003672 processing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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- 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
- H04B1/7113—Determination of path profile
-
- 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
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
-
- 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
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked 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
- H04B1/711—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP148267/2002 | 2002-05-22 | ||
JP2002148267 | 2002-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1640000A CN1640000A (zh) | 2005-07-13 |
CN100353677C true CN100353677C (zh) | 2007-12-05 |
Family
ID=29545228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038049929A Expired - Lifetime CN100353677C (zh) | 2002-05-22 | 2003-05-16 | 接收装置和延迟分布中先头路径的检测方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7254125B2 (zh) |
EP (1) | EP1507338B1 (zh) |
JP (1) | JP4220962B2 (zh) |
CN (1) | CN100353677C (zh) |
AU (1) | AU2003234922A1 (zh) |
DE (1) | DE60321565D1 (zh) |
WO (1) | WO2003098827A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1404034B1 (en) * | 2000-04-04 | 2008-11-26 | Mitsubishi Electric Information Technology Centre Europe B.V. | Base station for transmitting a word representative of the number of spreading codes allocated to the mobile stations in communication with the base station |
US7006840B2 (en) * | 2003-09-30 | 2006-02-28 | Interdigital Technology Corporation | Efficient frame tracking in mobile receivers |
EP1895693B1 (en) * | 2003-09-30 | 2012-05-30 | Interdigital Technology Corporation | Efficient frame tracking in mobile receivers |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1033823A1 (en) * | 1999-03-03 | 2000-09-06 | Hitachi, Ltd. | Synchronization control of spread spectrum receiver in mobile station, base station, and correspondent method |
CN1318921A (zh) * | 2000-12-18 | 2001-10-24 | 信息产业部电信传输研究所 | 基于多径能量窗的码分多址系统初始同步与小区搜索装置 |
WO2002027957A1 (fr) * | 2000-09-27 | 2002-04-04 | Matsushita Electric Industrial Co., Ltd. | Appareil de terminal de communication et procede de demodulation |
CN1389040A (zh) * | 2000-09-06 | 2003-01-01 | 松下电器产业株式会社 | 无线通信终端装置和干扰消除方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0750408B1 (en) | 1995-01-05 | 2005-06-15 | NTT DoCoMo, Inc. | Device and method for coherent-tracking of a signal for use in a cdma receiver |
JP2000307470A (ja) | 1999-04-16 | 2000-11-02 | Matsushita Electric Ind Co Ltd | 受信装置 |
US6775521B1 (en) * | 1999-08-09 | 2004-08-10 | Broadcom Corporation | Bad frame indicator for radio telephone receivers |
JP2001326584A (ja) * | 2000-05-18 | 2001-11-22 | Nec Corp | パス検出方式と受信装置 |
CN1579050A (zh) * | 2002-05-23 | 2005-02-09 | 松下电器产业株式会社 | 接收设备和接收方法 |
-
2003
- 2003-05-16 CN CNB038049929A patent/CN100353677C/zh not_active Expired - Lifetime
- 2003-05-16 JP JP2004506203A patent/JP4220962B2/ja not_active Expired - Lifetime
- 2003-05-16 WO PCT/JP2003/006101 patent/WO2003098827A1/ja active IP Right Grant
- 2003-05-16 US US10/491,573 patent/US7254125B2/en active Active
- 2003-05-16 EP EP20030752906 patent/EP1507338B1/en not_active Expired - Lifetime
- 2003-05-16 AU AU2003234922A patent/AU2003234922A1/en not_active Abandoned
- 2003-05-16 DE DE60321565T patent/DE60321565D1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1033823A1 (en) * | 1999-03-03 | 2000-09-06 | Hitachi, Ltd. | Synchronization control of spread spectrum receiver in mobile station, base station, and correspondent method |
CN1389040A (zh) * | 2000-09-06 | 2003-01-01 | 松下电器产业株式会社 | 无线通信终端装置和干扰消除方法 |
WO2002027957A1 (fr) * | 2000-09-27 | 2002-04-04 | Matsushita Electric Industrial Co., Ltd. | Appareil de terminal de communication et procede de demodulation |
CN1318921A (zh) * | 2000-12-18 | 2001-10-24 | 信息产业部电信传输研究所 | 基于多径能量窗的码分多址系统初始同步与小区搜索装置 |
Also Published As
Publication number | Publication date |
---|---|
AU2003234922A1 (en) | 2003-12-02 |
JPWO2003098827A1 (ja) | 2005-09-22 |
US7254125B2 (en) | 2007-08-07 |
CN1640000A (zh) | 2005-07-13 |
JP4220962B2 (ja) | 2009-02-04 |
DE60321565D1 (de) | 2008-07-24 |
EP1507338B1 (en) | 2008-06-11 |
WO2003098827A1 (fr) | 2003-11-27 |
US20040264415A1 (en) | 2004-12-30 |
EP1507338A4 (en) | 2007-05-23 |
EP1507338A1 (en) | 2005-02-16 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MATSUSHITA ELECTRIC (AMERICA) INTELLECTUAL PROPERT Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20140717 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20140717 Address after: California, USA Patentee after: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |
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Effective date of registration: 20210427 Address after: California, USA Patentee after: APPLE Inc. Address before: California, USA Patentee before: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA |
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Granted publication date: 20071205 |
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