CN1929353A - 同频小区信道估计方法及装置 - Google Patents
同频小区信道估计方法及装置 Download PDFInfo
- Publication number
- CN1929353A CN1929353A CNA2005100295352A CN200510029535A CN1929353A CN 1929353 A CN1929353 A CN 1929353A CN A2005100295352 A CNA2005100295352 A CN A2005100295352A CN 200510029535 A CN200510029535 A CN 200510029535A CN 1929353 A CN1929353 A CN 1929353A
- Authority
- CN
- China
- Prior art keywords
- sub
- district
- interference cancellation
- channel
- cell
- 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
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
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
-
- 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)
- Noise Elimination (AREA)
Abstract
Description
3 | [0,0.9,0.9] | [0.9,0,0.9] | [0.9,0.9,0] |
4 | [0,1,1] | [1,0,1] | [1,1,0] |
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005100295352A CN1929353B (zh) | 2005-09-09 | 2005-09-09 | 同频小区信道估计方法及装置 |
US11/518,395 US7738532B2 (en) | 2005-09-09 | 2006-09-08 | Method and apparatus of channel estimation in an intra-frequency cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005100295352A CN1929353B (zh) | 2005-09-09 | 2005-09-09 | 同频小区信道估计方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1929353A true CN1929353A (zh) | 2007-03-14 |
CN1929353B CN1929353B (zh) | 2012-04-25 |
Family
ID=37859162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005100295352A Active CN1929353B (zh) | 2005-09-09 | 2005-09-09 | 同频小区信道估计方法及装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7738532B2 (zh) |
CN (1) | CN1929353B (zh) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101426269B (zh) * | 2007-11-02 | 2010-06-09 | 大唐移动通信设备有限公司 | 导频资源分配方法、系统和设备 |
CN101902249A (zh) * | 2009-05-25 | 2010-12-01 | 中兴通讯股份有限公司 | 一种频偏估计装置和方法 |
CN102291161A (zh) * | 2010-06-21 | 2011-12-21 | 中兴通讯股份有限公司 | Td-scdma系统中进行同频测量的方法及装置 |
CN101651900B (zh) * | 2008-08-11 | 2012-04-18 | 中兴通讯股份有限公司 | 一种在频域内干扰消除的信道估计方法和装置 |
CN101938294B (zh) * | 2009-06-30 | 2012-07-18 | 联芯科技有限公司 | 一种同频多小区信道估计方法、装置及系统 |
CN101742600B (zh) * | 2009-12-09 | 2012-08-29 | 北京天碁科技有限公司 | 同频小区的选择方法和移动终端 |
CN104168230A (zh) * | 2014-08-06 | 2014-11-26 | 无锡高联信息技术有限公司 | Lte中具有相同rs偏置的同频小区信道估计的并行计算方法 |
CN104219179A (zh) * | 2014-08-06 | 2014-12-17 | 无锡高联信息技术有限公司 | Lte中具有不同rs偏置的同频小区信道估计的并行计算方法 |
CN107294881A (zh) * | 2016-04-08 | 2017-10-24 | 深圳超级数据链技术有限公司 | 信道估计方法和装置 |
CN110048814A (zh) * | 2019-04-22 | 2019-07-23 | 重庆邮电大学 | 一种基于混合迭代功率分配的稀疏叠加码设计方案 |
CN112311704A (zh) * | 2020-11-02 | 2021-02-02 | 上海微波技术研究所(中国电子科技集团公司第五十研究所) | 干扰抵消式信道估计优化方法及系统 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009107071A2 (en) * | 2008-02-25 | 2009-09-03 | Nxp B.V. | An inter-cell td-scdma channel estimation method and apparatus |
WO2012136286A1 (en) * | 2011-04-05 | 2012-10-11 | Research In Motion Limited | Method of interference cancellation and method of detection of erroneous neighbour cell measurements |
KR102259333B1 (ko) | 2015-01-02 | 2021-06-02 | 삼성전자주식회사 | 무선통신 시스템에서 동기검출을 위한 방법 및 장치 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6501788B1 (en) * | 1999-01-22 | 2002-12-31 | Ericsson Inc. | Apparatus and methods for intereference cancellation in spread spectrum communications systems |
US6665288B1 (en) * | 1999-11-08 | 2003-12-16 | Ericsson Inc. | Method and apparatus for reducing synchronization code interference in CDMA communications systems |
CN1108071C (zh) * | 2000-04-11 | 2003-05-07 | 信息产业部电信科学技术研究院 | 码分多址移动通信系统中终端设备端的一种信号处理方法 |
CN1131615C (zh) * | 2002-02-26 | 2003-12-17 | 东南大学 | 码分多址系统导频干扰抵消方法和装置 |
CN1242577C (zh) * | 2002-04-26 | 2006-02-15 | 上海贝尔有限公司 | 一种宽带码分多址系统上行信道的部分干扰抵消方法及装置 |
CN1283110C (zh) * | 2002-07-10 | 2006-11-01 | 西门子(中国)有限公司 | 干扰功率估计设备及其方法、及干扰功率检测系统 |
CN1255964C (zh) * | 2002-11-19 | 2006-05-10 | 电子科技大学 | 一种利用信道估计优化部分干扰抵消权值的方法 |
CN100492949C (zh) * | 2003-01-21 | 2009-05-27 | 大唐移动通信设备有限公司 | 时隙码分多址系统多码集信道估计方法 |
EP1668786B1 (en) * | 2003-09-23 | 2012-08-22 | Nxp B.V. | Initial synchronization for receivers |
CN100401646C (zh) * | 2004-09-24 | 2008-07-09 | 大唐移动通信设备有限公司 | 时隙码分多址系统多小区联合检测方法 |
US7489732B2 (en) * | 2004-10-26 | 2009-02-10 | Jian Cheng | Decreasing computational complexity of TD-SCDMA measurement process |
CN101232323B (zh) * | 2007-01-26 | 2012-03-14 | 展讯通信(上海)有限公司 | 一种基于td-scdma网络的手机电视广播系统 |
-
2005
- 2005-09-09 CN CN2005100295352A patent/CN1929353B/zh active Active
-
2006
- 2006-09-08 US US11/518,395 patent/US7738532B2/en active Active
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101426269B (zh) * | 2007-11-02 | 2010-06-09 | 大唐移动通信设备有限公司 | 导频资源分配方法、系统和设备 |
CN101651900B (zh) * | 2008-08-11 | 2012-04-18 | 中兴通讯股份有限公司 | 一种在频域内干扰消除的信道估计方法和装置 |
CN101902249A (zh) * | 2009-05-25 | 2010-12-01 | 中兴通讯股份有限公司 | 一种频偏估计装置和方法 |
CN101902249B (zh) * | 2009-05-25 | 2014-04-09 | 中兴通讯股份有限公司 | 一种频偏估计装置和方法 |
CN101938294B (zh) * | 2009-06-30 | 2012-07-18 | 联芯科技有限公司 | 一种同频多小区信道估计方法、装置及系统 |
CN101742600B (zh) * | 2009-12-09 | 2012-08-29 | 北京天碁科技有限公司 | 同频小区的选择方法和移动终端 |
CN102291161B (zh) * | 2010-06-21 | 2014-03-19 | 中兴通讯股份有限公司 | Td-scdma系统中进行同频测量的方法及装置 |
CN102291161A (zh) * | 2010-06-21 | 2011-12-21 | 中兴通讯股份有限公司 | Td-scdma系统中进行同频测量的方法及装置 |
CN104168230A (zh) * | 2014-08-06 | 2014-11-26 | 无锡高联信息技术有限公司 | Lte中具有相同rs偏置的同频小区信道估计的并行计算方法 |
CN104219179A (zh) * | 2014-08-06 | 2014-12-17 | 无锡高联信息技术有限公司 | Lte中具有不同rs偏置的同频小区信道估计的并行计算方法 |
CN107294881A (zh) * | 2016-04-08 | 2017-10-24 | 深圳超级数据链技术有限公司 | 信道估计方法和装置 |
CN107294881B (zh) * | 2016-04-08 | 2021-07-06 | 南京博洛米通信技术有限公司 | 信道估计方法和装置 |
CN110048814A (zh) * | 2019-04-22 | 2019-07-23 | 重庆邮电大学 | 一种基于混合迭代功率分配的稀疏叠加码设计方案 |
CN112311704A (zh) * | 2020-11-02 | 2021-02-02 | 上海微波技术研究所(中国电子科技集团公司第五十研究所) | 干扰抵消式信道估计优化方法及系统 |
CN112311704B (zh) * | 2020-11-02 | 2022-07-26 | 上海微波技术研究所(中国电子科技集团公司第五十研究所) | 干扰抵消式信道估计优化方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
CN1929353B (zh) | 2012-04-25 |
US20070058697A1 (en) | 2007-03-15 |
US7738532B2 (en) | 2010-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1929353A (zh) | 同频小区信道估计方法及装置 | |
CN1172472C (zh) | 移动通信系统中接收处理方法以及接收装置 | |
CN1684450A (zh) | 接收机、发送机和无线通信系统及信道估计方法 | |
CN1502173A (zh) | 单个用户检测 | |
CN101048949A (zh) | 在通用rake接收机中用于参数估计的方法和设备 | |
CN1723669A (zh) | 相位/增益不平衡估计或补偿 | |
CN1446409A (zh) | 一族线性多用户检测器(muds) | |
CN1929464A (zh) | 用于wcdma射频收发器的基带处理模块 | |
CN1552129A (zh) | 一种用于高比特率cdma传输系统的较佳迭代接收方法和系统 | |
CN1764094A (zh) | 一种降低td-scdma测量的计算复杂性的方法 | |
CN1675630A (zh) | 高效联合侦测 | |
CN1949682A (zh) | 基于串行干扰抵消消除同频小区信号干扰的方法和装置 | |
CN1572064A (zh) | 信号干扰比测量的装置和方法 | |
CN100347967C (zh) | 针对直接序列-码分多址信号的周期自适应接收器 | |
CN1165128C (zh) | 同步捕获装置和同步捕获方法 | |
CN1283110C (zh) | 干扰功率估计设备及其方法、及干扰功率检测系统 | |
CN1155189C (zh) | 双层加权并行干扰对消方法的简化方法 | |
CN1905383A (zh) | 一种同频小区信道估计装置及方法 | |
CN1595835A (zh) | 一种提高同步检测精度的方法与装置 | |
CN1913390A (zh) | 一种基于Cholesky分解实现干扰消除的方法 | |
CN1845483A (zh) | Td-scdma系统中接收机的联合检测系统及其数据处理方法 | |
CN101047422A (zh) | 时分-同步码分多址系统实现码片级以下同步的方法 | |
CN1595837A (zh) | 通信系统、发送局及接收局 | |
CN1874329A (zh) | 时隙码分多址系统多码集信号估计方法 | |
CN1503494A (zh) | 多用户检测方法和多用户接收机 |
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190311 Address after: 101399 Building 8-07, Ronghui Garden 6, Shunyi Airport Economic Core Area, Beijing Patentee after: Xin Xin finance leasing (Beijing) Co.,Ltd. Address before: 201203 3-4 Floor, 696 Songtao Road, Pudong, Shanghai Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20070314 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Beijing) Co.,Ltd. Contract record no.: X2021110000008 Denomination of invention: Channel estimation method and device of same frequency cell Granted publication date: 20120425 License type: Exclusive License Record date: 20210317 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221012 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 101399 Building 8-07, Ronghui Garden 6, Shunyi Airport Economic Core Area, Beijing Patentee before: Xin Xin finance leasing (Beijing) Co.,Ltd. |
|
TR01 | Transfer of patent right |