CN1640000A - 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
- Publication number
- CN1640000A CN1640000A CNA038049929A CN03804992A CN1640000A CN 1640000 A CN1640000 A CN 1640000A CN A038049929 A CNA038049929 A CN A038049929A CN 03804992 A CN03804992 A CN 03804992A CN 1640000 A CN1640000 A CN 1640000A
- Authority
- CN
- China
- Prior art keywords
- path
- new route
- ahead
- midamble
- particular channel
- 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
- 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
- 238000003672 processing method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 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
-
- 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 true CN1640000A (zh) | 2005-07-13 |
CN100353677C 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 |
Family Cites Families (9)
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 |
JP3930187B2 (ja) * | 1999-03-03 | 2007-06-13 | 株式会社日立コミュニケーションテクノロジー | 同期制御方法、受信機、基地局及び移動端末 |
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 |
JP3672808B2 (ja) * | 2000-09-06 | 2005-07-20 | 松下電器産業株式会社 | 無線通信端末装置及び干渉キャンセル方法 |
JP3522678B2 (ja) | 2000-09-27 | 2004-04-26 | 松下電器産業株式会社 | 通信端末装置及び復調方法 |
CN1140075C (zh) * | 2000-12-18 | 2004-02-25 | 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 |
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
Also Published As
Publication number | Publication date |
---|---|
CN100353677C (zh) | 2007-12-05 |
AU2003234922A1 (en) | 2003-12-02 |
JPWO2003098827A1 (ja) | 2005-09-22 |
US7254125B2 (en) | 2007-08-07 |
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1164046C (zh) | 用于接收由基站发送的信号的移动台的装置和方法 | |
CN1275485C (zh) | 一种用于检测用户终端随机接入的方法 | |
CN1846359A (zh) | 瑞克接收机中的分支放置的方法和设备 | |
CN1863355A (zh) | Td-scdma终端及其在同频网络下的小区搜索方法 | |
CN1553586A (zh) | Td-scdma系统中的下行同步校准方法和装置 | |
CN1586046A (zh) | 用于在无线通信系统中执行信号检测和分配的方法和装置 | |
CN1476684A (zh) | 生成任意相位pn序列的方法和装置 | |
CN1862981A (zh) | 一种多径搜索方法、装置及接收机 | |
CN1691564A (zh) | 信道质量估计方法和接收设备 | |
CN1291021A (zh) | 通信终端装置及无线接收方法 | |
CN1198405C (zh) | 无线接收装置和无线接收方法 | |
CN1859019A (zh) | 一种实现自动频率控制的方法及装置 | |
CN1640000A (zh) | 接收装置和延迟分布中先头路径的检测方法 | |
CN1574688A (zh) | 直接序列码分多址移动通信系统中的瑞克接收设备和方法 | |
CN1486106A (zh) | 智能天线自适应波束形成装置和方法 | |
CN1286534A (zh) | 一种应用于wcdma接收机中的信道估计方法 | |
CN1124715C (zh) | 码分多址通信系统的多径搜索方法及其装置 | |
CN1794602A (zh) | 接收设备、接收方法及其程序 | |
CN1734958A (zh) | 新型高集成度可嵌入Rake接收机系统 | |
CN1870451A (zh) | 一种rake接收方法及应用该方法的rake接收机 | |
CN1557056A (zh) | 通信终端装置和扩频码估计方法 | |
CN1526206A (zh) | 搜索比特流中预定的代码 | |
CN1848697A (zh) | 时分双工同步码分多址系统中用于初始同步的方法和装置 | |
CN1253420A (zh) | 瑞克接收机及速度检测电路 | |
CN1575014A (zh) | 适合初始及目标基站区域搜寻的基站区域搜寻方法 |
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 | ||
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 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
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. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
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 |
|
CX01 | Expiry of patent term |
Granted publication date: 20071205 |
|
CX01 | Expiry of patent term |