CN100401646C - 时隙码分多址系统多小区联合检测方法 - Google Patents
时隙码分多址系统多小区联合检测方法 Download PDFInfo
- Publication number
- CN100401646C CN100401646C CNB2004100801966A CN200410080196A CN100401646C CN 100401646 C CN100401646 C CN 100401646C CN B2004100801966 A CNB2004100801966 A CN B2004100801966A CN 200410080196 A CN200410080196 A CN 200410080196A CN 100401646 C CN100401646 C CN 100401646C
- Authority
- CN
- China
- Prior art keywords
- code channel
- code
- channel
- detection
- grouping
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 claims abstract description 98
- 239000011159 matrix material Substances 0.000 claims description 53
- 230000005540 biological transmission Effects 0.000 claims description 42
- 238000005516 engineering process Methods 0.000 claims description 32
- 230000004044 response Effects 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 22
- 230000003213 activating effect Effects 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 13
- 230000009897 systematic effect Effects 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 4
- 230000006855 networking Effects 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 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
- H04B1/7103—Interference-related aspects the interference being multiple access interference
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04B1/7107—Subtractive interference cancellation
-
- 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)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (12)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100801966A CN100401646C (zh) | 2004-09-24 | 2004-09-24 | 时隙码分多址系统多小区联合检测方法 |
EP05791531A EP1793518A4 (en) | 2004-09-24 | 2005-09-22 | MULTI-CABLE CONNECTION DETECTION METHOD IN A SLOT CODEMULTIPLEX MULTIPLE ACCESS SYSTEM |
JP2007532750A JP4866357B2 (ja) | 2004-09-24 | 2005-09-22 | タイムスロットcdmaシステムのマルチセル結合検出方法 |
PCT/CN2005/001539 WO2006032211A1 (en) | 2004-09-24 | 2005-09-22 | Multicell joint detection method in slotted code division multiple access system |
KR1020077008939A KR100874507B1 (ko) | 2004-09-24 | 2005-09-22 | 슬롯 코드분할 다중접속 시스템의 멀티 셀 결합 검출방법 |
EP13163779.5A EP2618507A1 (en) | 2004-09-24 | 2005-09-22 | Multi-cell Joint Detection Method for Slot CDMA System |
US11/663,789 US8023486B2 (en) | 2004-09-24 | 2005-09-22 | Multicell joint detection method in slotted code division multiple access system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100801966A CN100401646C (zh) | 2004-09-24 | 2004-09-24 | 时隙码分多址系统多小区联合检测方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1753322A CN1753322A (zh) | 2006-03-29 |
CN100401646C true CN100401646C (zh) | 2008-07-09 |
Family
ID=36089856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100801966A Active CN100401646C (zh) | 2004-09-24 | 2004-09-24 | 时隙码分多址系统多小区联合检测方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8023486B2 (zh) |
EP (2) | EP1793518A4 (zh) |
JP (1) | JP4866357B2 (zh) |
KR (1) | KR100874507B1 (zh) |
CN (1) | CN100401646C (zh) |
WO (1) | WO2006032211A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104660300A (zh) * | 2011-04-21 | 2015-05-27 | 联发科技(新加坡)私人有限公司 | 时分同步码分多址接收机及联合检测方法 |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100409588C (zh) | 2005-06-03 | 2008-08-06 | 上海原动力通信科技有限公司 | 时隙码分多址系统多小区联合检测方法 |
CN100464603C (zh) * | 2005-06-16 | 2009-02-25 | 上海原动力通信科技有限公司 | 一种采用同频组网的数字蜂窝通信系统中越区切换的方法 |
CN1929323B (zh) | 2005-09-07 | 2011-04-06 | 大唐移动通信设备有限公司 | 时隙cdma系统抑制交叉时隙干扰的方法 |
CN1929353B (zh) * | 2005-09-09 | 2012-04-25 | 展讯通信(上海)有限公司 | 同频小区信道估计方法及装置 |
WO2007115434A1 (fr) * | 2006-04-12 | 2007-10-18 | Zte Corporation | Procédé de suppression d'interférences importantes pour les cellules avoisinantes au moyen de la même fréquence dans un système cdma |
CN101056285B (zh) * | 2006-04-14 | 2011-01-19 | 鼎桥通信技术有限公司 | 无线移动通信系统中的并行干扰消除信道估计方法与装置 |
CN101060505B (zh) * | 2006-04-19 | 2011-06-01 | 鼎桥通信技术有限公司 | 无线移动通信系统中的联合信道估计方法与估计装置 |
CN101075843B (zh) * | 2006-05-18 | 2010-05-12 | 大唐移动通信设备有限公司 | 一种用于联合检测的同频相邻小区选择的方法及装置 |
CN101098184B (zh) * | 2006-06-26 | 2012-04-25 | 上海原动力通信科技有限公司 | 一种消除相邻小区干扰的方法及装置 |
CN100405865C (zh) * | 2006-07-19 | 2008-07-23 | 北京天碁科技有限公司 | Td-scdma终端及其同频小区时延和功率检测方法 |
CN101154959B (zh) * | 2006-09-25 | 2010-12-08 | 中兴通讯股份有限公司 | 一种检测时分双工无线蜂窝通讯网络中系统自干扰的方法 |
CN101170366B (zh) * | 2006-10-24 | 2010-12-22 | 普天信息技术研究院 | 基于最小均方差线性块均衡实现信号联合检测的方法 |
CN101175296B (zh) * | 2006-10-30 | 2010-08-25 | 大唐移动通信设备有限公司 | 一种上行多码集联合检测方法及系统 |
CN1949683B (zh) * | 2006-11-03 | 2011-11-16 | 上海宣普实业有限公司 | 基于串行干扰抵消消除同频小区信号干扰的方法和装置 |
CN1949682B (zh) * | 2006-11-03 | 2011-09-07 | 上海宣普实业有限公司 | 基于串行干扰抵消消除同频小区信号干扰的方法和装置 |
CN101207401B (zh) * | 2006-12-22 | 2012-07-18 | 联芯科技有限公司 | 一种获取信噪比和幅噪比的方法、装置、基站和终端设备 |
CN101282553B (zh) * | 2007-04-05 | 2011-05-18 | 大唐移动通信设备有限公司 | 改进联合检测性能的方法、基带信号处理器及基站 |
CN101286786B (zh) * | 2007-04-11 | 2013-03-20 | 中兴通讯股份有限公司 | 一种通过调度进行同频组网干扰抑制的方法 |
CN101296463B (zh) * | 2007-04-23 | 2011-08-31 | 电信科学技术研究院 | 利用多小区联合检测方法的宏分集方法、系统及设备 |
WO2008138262A1 (fr) * | 2007-05-09 | 2008-11-20 | Huawei Technologies Co., Ltd. | Procédé de détection mutuelle, système de détection, terminal d'utilisateur et station de base |
CN101304587B (zh) * | 2007-05-09 | 2012-11-21 | 华为技术有限公司 | 认知系统及其联合检测方法、认知系统用户终端及基站 |
CN101312359B (zh) * | 2007-05-23 | 2012-02-29 | 鼎桥通信技术有限公司 | 多小区联合信道估计、多小区联合检测装置及方法 |
CN101359927B (zh) * | 2007-07-31 | 2012-09-05 | 鼎桥通信技术有限公司 | 一种多小区联合信道估计中选择强径的方法 |
CN101785208A (zh) * | 2007-09-18 | 2010-07-21 | Lm爱立信电话有限公司 | 在使能mbms的系统中降低干扰 |
CN101128056B (zh) * | 2007-09-19 | 2012-01-18 | 中兴通讯股份有限公司 | 一种协作式小区间干扰消除方法 |
CN101399803B (zh) * | 2007-09-27 | 2011-04-13 | 大唐移动通信设备有限公司 | 正交频分复用传输信号的多用户检测方法及装置 |
CN101409573B (zh) * | 2007-10-12 | 2012-05-09 | 中兴通讯股份有限公司 | 一种降低联合检测消息传输量的方法及其装置 |
US7995641B2 (en) * | 2007-11-06 | 2011-08-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for code power parameter estimation for received signal processing |
US8306012B2 (en) | 2007-11-07 | 2012-11-06 | Telefonaktiebolaget L M Ericsson (Publ) | Channel estimation for synchronized cells in a cellular communication system |
CN101933239A (zh) * | 2007-12-18 | 2010-12-29 | 中兴通讯股份有限公司 | 一种时分同步码分多址系统中上行多小区联合检测的方法 |
KR100966018B1 (ko) * | 2008-02-04 | 2010-06-24 | 에스케이 텔레콤주식회사 | 이동 통신망의 상향 링크에서의 다중셀 결합 채널 추정방법 및 시스템 |
KR101457690B1 (ko) * | 2008-03-05 | 2014-11-04 | 삼성전자주식회사 | 통신 시스템에서 간섭 신호를 제거하기 위한 수신 장치 및 방법 |
CN101340206B (zh) * | 2008-07-04 | 2013-01-23 | 重庆重邮信科通信技术有限公司 | 判决反馈多小区联合信道估计方法及装置 |
CN101630960B (zh) * | 2008-07-18 | 2014-06-18 | 俊茂微电子(上海)有限公司 | 用于通信设备的联合检测方法和装置以及通信设备 |
CN101667898B (zh) * | 2008-09-05 | 2013-07-03 | 中兴通讯股份有限公司 | 上行harq反馈信道资源的划分和实现方法 |
CN101959208B (zh) * | 2009-07-15 | 2013-04-24 | 电信科学技术研究院 | 一种同频组网移动通信系统中的抗干扰方法和装置 |
CN102149111B (zh) * | 2010-02-08 | 2015-09-16 | 中兴通讯股份有限公司 | 一种邻区信息管理方法及系统 |
CN102202328B (zh) * | 2010-03-24 | 2013-11-20 | 电信科学技术研究院 | 一种多子小区下的数据检测处理方法及基站 |
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 |
CN101969657B (zh) * | 2010-10-26 | 2012-10-24 | 东南大学 | 一种fdd-lte系统的同频小区检测方法 |
US20120127923A1 (en) * | 2010-11-23 | 2012-05-24 | Wanlun Zhao | Method and Apparatus for Enabling a Low Complexity Receiver |
CN102739283A (zh) * | 2011-04-07 | 2012-10-17 | 联发科技(新加坡)私人有限公司 | 时分同步码分多址接收机中基于激活码道选择的联合检测方法 |
CN102185631B (zh) | 2011-04-28 | 2014-05-14 | 意法·爱立信半导体(北京)有限公司 | 一种码道激活方法及装置 |
CN102158892B (zh) * | 2011-05-25 | 2013-07-24 | 哈尔滨工业大学 | 测试ism频段无线产品抗多址干扰能力的系统及测试方法 |
CN102158242B (zh) * | 2011-05-25 | 2013-07-24 | 哈尔滨工业大学 | 测试ism频段无线通信产品抗干扰能力的系统及测试方法 |
CN102201833B (zh) * | 2011-05-26 | 2013-09-25 | 南京邮电大学 | 时分同步码分多址集群系统中的终端多小区联合检测方法 |
WO2013040754A1 (en) * | 2011-09-20 | 2013-03-28 | St-Ericsson Sa | Method, apparatus, receiver, computer program and storage medium for joint detection |
WO2013044447A1 (en) * | 2011-09-27 | 2013-04-04 | St-Ericsson Sa | Method and apparatus for code activation, computer program and storage medium thereof |
CN103905086B (zh) * | 2012-12-26 | 2016-07-20 | 联芯科技有限公司 | 联合检测方法及系统 |
EP2787652B1 (en) * | 2013-04-04 | 2018-08-01 | Telefonaktiebolaget LM Ericsson (publ) | Blind code allocation detection |
CN103701735B (zh) * | 2013-12-26 | 2017-02-08 | 大唐移动通信设备有限公司 | 基于多个小区的同频联检方法及装置 |
US11503609B2 (en) * | 2019-09-27 | 2022-11-15 | Qualcomm Incorporated | PUCCH repetition before RRC connection setup |
CN113572661B (zh) * | 2021-07-28 | 2022-12-27 | 迈普通信技术股份有限公司 | 一种测试多激活检测性能的系统和方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1264415A2 (en) * | 2000-03-15 | 2002-12-11 | Interdigital Technology Corporation | Multi-user detection using an adaptive combination of joint detection and successive interference cancellation |
WO2003017511A1 (fr) * | 2001-08-09 | 2003-02-27 | Matsushita Electric Industrial Co., Ltd. | Appareil et procede d'elimination d'interference |
CN1520077A (zh) * | 2003-01-21 | 2004-08-11 | 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 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003174431A (ja) * | 2001-09-26 | 2003-06-20 | Matsushita Electric Ind Co Ltd | 無線通信装置及び無線通信方法 |
JP2003174400A (ja) * | 2001-12-06 | 2003-06-20 | Ntt Docomo Inc | 移動通信端末、干渉除去システム、干渉除去方法、及び基地局 |
CN1170374C (zh) * | 2002-06-20 | 2004-10-06 | 大唐移动通信设备有限公司 | 一种适用于频率选择性衰落信道的空时编译码方法 |
AU2003261194A1 (en) * | 2002-07-19 | 2004-02-09 | Interdigital Technology Corporation | Groupwise successive interference cancellation for block transmission with reception diversity |
KR100557102B1 (ko) * | 2002-09-07 | 2006-03-03 | 삼성전자주식회사 | 이동통신 시스템에서 직교부호의 길이에 상관없는 공동검출 수신 장치 및 방법 |
US20040116122A1 (en) * | 2002-09-20 | 2004-06-17 | Interdigital Technology Corporation | Enhancing reception using intercellular interference cancellation |
US20050111408A1 (en) * | 2003-11-25 | 2005-05-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Selective interference cancellation |
-
2004
- 2004-09-24 CN CNB2004100801966A patent/CN100401646C/zh active Active
-
2005
- 2005-09-22 EP EP05791531A patent/EP1793518A4/en not_active Withdrawn
- 2005-09-22 EP EP13163779.5A patent/EP2618507A1/en not_active Withdrawn
- 2005-09-22 US US11/663,789 patent/US8023486B2/en active Active
- 2005-09-22 KR KR1020077008939A patent/KR100874507B1/ko active IP Right Grant
- 2005-09-22 WO PCT/CN2005/001539 patent/WO2006032211A1/zh active Application Filing
- 2005-09-22 JP JP2007532750A patent/JP4866357B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1264415A2 (en) * | 2000-03-15 | 2002-12-11 | Interdigital Technology Corporation | Multi-user detection using an adaptive combination of joint detection and successive interference cancellation |
WO2003017511A1 (fr) * | 2001-08-09 | 2003-02-27 | Matsushita Electric Industrial Co., Ltd. | Appareil et procede d'elimination d'interference |
CN1520077A (zh) * | 2003-01-21 | 2004-08-11 | 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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104660300A (zh) * | 2011-04-21 | 2015-05-27 | 联发科技(新加坡)私人有限公司 | 时分同步码分多址接收机及联合检测方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2008515252A (ja) | 2008-05-08 |
JP4866357B2 (ja) | 2012-02-01 |
WO2006032211A1 (en) | 2006-03-30 |
KR20070072882A (ko) | 2007-07-06 |
EP2618507A1 (en) | 2013-07-24 |
KR100874507B1 (ko) | 2008-12-18 |
US20080123611A1 (en) | 2008-05-29 |
CN1753322A (zh) | 2006-03-29 |
US8023486B2 (en) | 2011-09-20 |
EP1793518A1 (en) | 2007-06-06 |
EP1793518A4 (en) | 2011-07-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100401646C (zh) | 时隙码分多址系统多小区联合检测方法 | |
CN1929323B (zh) | 时隙cdma系统抑制交叉时隙干扰的方法 | |
CN1280997C (zh) | 采用联合检测与串行干扰消除的自适应组合进行多用户检测 | |
CN101103554B (zh) | 无线传输/接收单元中估算信道化编码方法 | |
US7944903B2 (en) | Multi-cell joint-detection method in time-slotted CDMA system | |
KR20080016695A (ko) | 일반화된 레이크 수신을 통한 적응형 타이밍 회복 | |
JP2003510884A (ja) | 可変拡散因子に関するマルチユーザ検出器 | |
CN101133562B (zh) | 邻小区用户信号干扰抑制方法 | |
US20030091100A1 (en) | Method and device for radio signal reception | |
CN101075843B (zh) | 一种用于联合检测的同频相邻小区选择的方法及装置 | |
KR20060089165A (ko) | 이동통신 시스템에서 시공간 다중 사용자 검파기 및 검파방법 | |
CN101395812B (zh) | Cdma系统同频邻小区强干扰消除的方法 | |
CN102201833B (zh) | 时分同步码分多址集群系统中的终端多小区联合检测方法 | |
Guo et al. | An effective multiuser receiver for DS/CDMA systems | |
CN100373836C (zh) | 一种并行干扰对消方法及其装置 | |
CN100382469C (zh) | 一种wcdma系统中上行专用物理信道的多用户接收装置 | |
Sengupta et al. | Maximum likelihood multipath channel parameter estimation in CDMA systems | |
CN103067311B (zh) | 盲信道冲激响应合并方法和系统 | |
CN100370699C (zh) | 一种自适应天线数调整方法 | |
Chen et al. | Space-time dynamic signature assignment for the reverse link of DS-CDMA systems | |
Shao-li et al. | Performance of active codes detection algorithms for the downlink of TD-SCDMA system | |
Pelletier et al. | Group-based space-time multiuser detection with user sharing | |
CN1816026A (zh) | 信道估计方法及装置 | |
CN100492932C (zh) | 采用联合检测与串行干扰消除的自适应组合进行多用户检测 | |
CN100370709C (zh) | 一种多输入多输出系统的多码接收机 |
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 | ||
ASS | Succession or assignment of patent right |
Owner name: INST OF TELECOMMUNICATION SCIENCE AND TECHNOLGOY Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD. Effective date: 20110707 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100083 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING TO: 100191 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110707 Address after: 100191 Haidian District, Xueyuan Road, No. 40, Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210604 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
TR01 | Transfer of patent right |