CN101836407A - 终端射频性能的优化方法 - Google Patents
终端射频性能的优化方法 Download PDFInfo
- Publication number
- CN101836407A CN101836407A CN200780101181A CN200780101181A CN101836407A CN 101836407 A CN101836407 A CN 101836407A CN 200780101181 A CN200780101181 A CN 200780101181A CN 200780101181 A CN200780101181 A CN 200780101181A CN 101836407 A CN101836407 A CN 101836407A
- Authority
- CN
- China
- Prior art keywords
- training sequence
- radio frequency
- signal
- frequency performance
- initial signal
- 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 abstract description 26
- 238000012549 training Methods 0.000 claims abstract description 49
- 238000005457 optimization Methods 0.000 claims description 14
- 108010003272 Hyaluronate lyase Proteins 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
- H04L25/03133—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03592—Adaptation methods
- H04L2025/03745—Timing of adaptation
- H04L2025/03764—Timing of adaptation only during predefined intervals
- H04L2025/0377—Timing of adaptation only during predefined intervals during the reception of training signals
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (1)
- 权 利 要 求 书 一种终端射频性能的优化方法, 其特征在于, 包括以下步骤:在原始信号的时隙中增加训练序列, 得到初始信号;将初始信号通过通信信道传输后输入均衡器, 然后输入到判决器, 得到输入信号, 并将初始信号的训练序列直接提供给所述判决器;所述判决器将所述输入信号的训练序列和初始信号的训练序列进 行比较, 得到它们的差值, 并将所述差值反馈给所述均衡器; 以及所述均衡器利用所述差值修正所述初始信号,并将修正后的信号通 过判决器输出。 根据权利要求 1所述的终端射频性能的优化方法, 其特征在于, 在初始 信号的时隙中加入训练序列是通过将所述训练序列置于时隙开头来实现 的, 或通过增加时隙中的原始训练序列的长度来实现的。 根据权利要求 2所述的终端射频性能的优化方法, 其特征在于, 增加的 训练序列的长度为扩频因子的整数倍。 根据权利要求 1所述的终端射频性能的优化方法, 其特征在于, 所述均 衡器为反向滤波器。 根据权利要求 1所述的终端射频性能的优化方法, 其特征在于, 所述判 决器包括加法器。 根据权利要求 1所述的终端射频性能的优化方法, 其特征在于, 所述差 值包含偏移的相位。 根据权利要求 6所述的终端射频性能的优化方法, 其特征在于, 所述均 衡器利用所述偏移的相位, 修正所述输入信号的相位。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2007/003514 WO2009079815A1 (fr) | 2007-12-10 | 2007-12-10 | Procédé pour optimiser la performance radiofréquence du terminal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101836407A true CN101836407A (zh) | 2010-09-15 |
CN101836407B CN101836407B (zh) | 2013-03-27 |
Family
ID=40800640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200780101181.5A Expired - Fee Related CN101836407B (zh) | 2007-12-10 | 2007-12-10 | 终端射频性能的优化方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101836407B (zh) |
WO (1) | WO2009079815A1 (zh) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0998083A1 (de) * | 1998-10-30 | 2000-05-03 | Ascom Systec AG | Verfahren zum Entzerren, insbesondere für Offset-Modulationsarten |
KR20020096041A (ko) * | 2000-09-11 | 2002-12-28 | 폭스 디지털 | 적응형 채널 등화기의 타겟 가중치 벡터들의 희박성을이용하는 적응형 알고리즘을 이용하는 장치 및 방법 |
US7016405B2 (en) * | 2002-02-14 | 2006-03-21 | Mitsubishi Electric Research Laboratories, Inc. | Signal circulation for adaptive signal equalization in digital communication systems |
US20040001539A1 (en) * | 2002-06-26 | 2004-01-01 | Sankaran Sundar G. | Training using overhead data in a wireless communications network |
KR100510861B1 (ko) * | 2003-01-18 | 2005-08-31 | 디지피아(주) | 직교 주파수 분할 다중 전송 시스템에서의 훈련 신호 결정방법 및 그 훈련 신호를 이용한 직교 주파수 분할 다중수신기와 수신 방법 |
CN1688146A (zh) * | 2005-04-28 | 2005-10-26 | 上海微科集成电路有限公司 | 适用于高阶qam的自适应均衡与载波恢复方法及其电路 |
GB0521641D0 (en) * | 2005-10-24 | 2005-11-30 | Nokia Corp | A receiver and a receiving method |
CN101052025B (zh) * | 2006-04-03 | 2011-06-15 | 世意法(北京)半导体研发有限责任公司 | 消除训练序列干扰的方法和基于均衡器的接收器 |
CN100521665C (zh) * | 2007-04-20 | 2009-07-29 | 清华大学 | 一种用于固定训练序列填充调制系统的迭代分解方法 |
-
2007
- 2007-12-10 WO PCT/CN2007/003514 patent/WO2009079815A1/zh active Application Filing
- 2007-12-10 CN CN200780101181.5A patent/CN101836407B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2009079815A1 (fr) | 2009-07-02 |
CN101836407B (zh) | 2013-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8743835B2 (en) | Communication system of selectively feeding back information about interference channels for interference alignment and method for operating the system | |
US9608738B2 (en) | System and method for broadband doppler compensation | |
US8159274B2 (en) | Signaling with superimposed clock and data signals | |
CN101510778B (zh) | 用于实现数字锁相环的系统和方法 | |
CN1954528A (zh) | 正交频分复用接收装置及正交频分复用接收方法 | |
CN101742723A (zh) | 信息处理设备和双工传输方法 | |
US20150029876A1 (en) | Transmitting circuit, communication system, and communication method | |
WO2017190354A1 (zh) | 优化波束的方法和通信设备 | |
US8242811B2 (en) | High-bandwidth on-chip communication | |
CN101116298B (zh) | 用于信道均衡的方法和系统 | |
US8644371B2 (en) | Transmitter control in communication systems | |
US9420594B1 (en) | Methods and apparatus for adaptively selecting a communications mode in high frequency systems | |
CN102227098A (zh) | 一种多模mimo-scfde自适应传输系统频域承载点选取方法 | |
US20150256230A1 (en) | Inductive-coupling system and method with compensation to prevent interference | |
WO2018204010A1 (en) | Apparatus and method for cancelling pre-cursor inter-symbol-interference | |
EP2962413B1 (en) | A method and apparatus for cancellating interference in a wireless communication system | |
CN102065039B (zh) | 一种高速接口电路自适应均衡方法及电路 | |
CN104052706A (zh) | 噪声加干扰空间协方差矩阵确定装置、干扰抑制合并装置 | |
CN101836407A (zh) | 终端射频性能的优化方法 | |
WO2001006695A1 (en) | Method and apparatus for channel estimation with transmit diversity | |
CN103457887A (zh) | 基于仿射投影算法构建超宽带信道均衡器模型 | |
CN110162854A (zh) | 一种高速自适应判决反馈均衡器 | |
WO2009065050A1 (en) | Data-dependet voltage regulator | |
Yuminaka et al. | Equalization techniques for multiple-valued data transmission and their application | |
US7760797B2 (en) | Method of reducing a number of computations in an equalization process and apparatus for performing the same |
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170830 Address after: 061000, No. 5, No. 46, Qingshui village, Jinniu Town, Jinniu Town, Cangzhou, Hebei, Qingxian County Patentee after: Yang Shubo Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong high tech Industrial Park, ZTE building Patentee before: ZTE Corporation |
|
CB03 | Change of inventor or designer information |
Inventor after: Yang Shubo Inventor before: Wang Man |
|
CB03 | Change of inventor or designer information | ||
CP02 | Change in the address of a patent holder |
Address after: 541002 Diecai District, Guilin City, the Guangxi Zhuang Autonomous Region, No. 147 Zhongshan North Road Patentee after: Yang Shubo Address before: 061000, No. 5, No. 46, Qingshui village, Jinniu Town, Jinniu Town, Cangzhou, Hebei, Qingxian County Patentee before: Yang Shubo |
|
CP02 | Change in the address of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20171210 |
|
CF01 | Termination of patent right due to non-payment of annual fee |