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国家自然科学基金(60496311): 作品数：113被引量：253H指数：8; 导出分析报告; 相关作者：尤肖虎赵春明毕光国陈明蒋占军更多>>; 相关机构：东南大学清华大学南京理工大学西安电子科技大学更多>>; 相关期刊：《Journal of Southeast University(English Edition)》《电子技术（上海）》《广东通信技术》《中国工程科学》更多>>; 相关主题：MIMOOFDM正交频分复用MIMO-OFDM系统移动通信更多>>; 相关领域：电子电信自动化与计算机技术理学天文地球更多>>

Unifying eigen-mode MIMO transmission被引量：4: 《Science in China(Series F)》2009年第12期2269-2278,共10页GAO XiQi YOU XiaoHu JIANG Bin WANG WenJin JIN Shi; Supported by the National Natural Science Foundation of China (Grant Nos. 60572072, 60496311);the National High-Tech Research & Devel-opment Program of China (Grant No. 2006AA01Z264);the National Basic Research Program of China (Grant No. 2007CB310603);the DoctorSubject Foundation of China (Grant No. 20060286016);the National Science and Technology Major Project of China (Grant Nos. 2009ZX03003-005, 2008ZX03003-005);the International Science and Technology Cooperation Program of China (Grant No. 2008DFA12090); Multiple-input multiple-output （MIMO） technique plays a key role in improving the spectrum and power efficiency in future mobile communication systems. Exploiting a unified MIMO transmission scheme that can adapt wi...; 关键词：MIMO eigen-mode closed-loop MIMO transmission

FEATURE EXTRACTION AND RECOGNITION FOR ECHOES OF HRR RADAR: 《Journal of Electronics(China)》2009年第6期788-793,共6页Xie Deguang Zhang Xianda; Supported by the Basic Research Foundation of Tsinghua National Laboratory for Information Science and Technology (TNList);the Major Program of the National Natural Science Foundation of Foundation of China (No. 60496311); This paper describes a novel target recognition scheme using High Range Resolution (HRR) radar signatures. AutoRegressive (AR) method is used to extract features from HRR radar echoes based on scattering center model ...; 关键词：Radar target recognition Feature extraction AutoregRessive （AR） model Densityfunction estimation Stochastic Information Gradient （SIG）

HIGH SNR SUM CAPACITY ANALYSIS OF BD MIMO BC SYSTEMS WITH IMPERFECT CSI: 《Journal of Electronics(China)》2009年第2期145-151,共7页Wang Jing Liu Zhanli Wang Yan You Xiaohu; Supported by Chinese 863 Program (2006AA01Z268);the National Natural Science Foundation of China (No. 60496311); We investigate the sum capacity of Block Diagonalization precoding Multiple Input Mul-tiple Output Broadcast Channels(BD MIMO BC) with imperfect Channel State Information(CSI) at the base station.Since it is difficult...; 关键词：Block Diagonalization（BD） Multiple Input Multiple Output Broadcast Channels（MIMO BC） Imperfect Channel State Information（CSI） Sum capacity Multiplexing gain

SUC检测下的新型VBLAST调制方案性能分析与研究: 《通信学报》2009年第2期47-51,共5页蒋占军潘文王炎尤肖虎; 国家自然科学基金资助项目(60496311)~~; 设计了一种应用于VBLAST系统的新型调制方案,来改善系统接收端作连续干扰抵消(SUC)检测时出现错误传播导致系统传输可靠性下降的问题。在该调制方案中对先检测的信号选用抗噪声性能高的调制方式(例如二进制相移键控调制),而对后续检测...; 关键词：MIMO BLAST 连续干扰抵消调制

Blind Carrier Frequency Offset Estimation via Power Spectrum Analysis in MIMO OFDM Systems: 《Tsinghua Science and Technology》2009年第1期146-150,共5页武露张贤达; Supported by the National Natural Science Foundation of China(Nos. 60675002 and 60496311);the Basic Research Foundation of Tsinghua National Laboratory for Information Science and Technology (TNList); As a generalization of orthogonal frequency-division multiplexing （OFDM） systems, multi-input multi-output （MIMO） OFDM systems are very sensitive to carrier frequency offset （CFO）. This paper proposes a blind CF...; 关键词：carrier frequency offset （CFO） multi-input multi-output orthogonal frequency-division multiplexing （MIMO OFDM） power spectrum analysis （PSA）

Universal Distributed Estimation Scheme for a Bandwidth Constrained Ad Hoc Sensor Network: 《Tsinghua Science and Technology》2009年第1期121-125,共5页张莉张贤达高秋彬; Supported by the Basic Research Foundation of Tsinghua National Laboratory for Information Science and Technology (TNList);the Major Program of the National Natural Science Foundation of China (No. 60496311); This paper describes a distributed estimation scheme （DES） for a bandwidth constrained ad hoc sensor network. The DES is universal in the sense that operations on all sensors are identical and independent of noise d...; 关键词：distributed estimation QUANTIZATION sensor networks distributed signal processing

Analysis of a reduced-ML algorithm in BLAST被引量：6: 《Science in China(Series F)》2008年第12期2094-2100,共7页PAN Wen JIANG ZhanJun DU ZhengFeng WANG Yan YOU XiaoHu; the National Natural Science Foundation of China (Grant No. 60496311); The performance of ML algorithm is much better than other algorithms in the MIMO wireless communication system. However, it is based on the expense of an increase in the complexity. A reduced maximum likelihood （RML...; 关键词：MIMO BLAST ML

基于PAST盲信号分离方法的仿真结果分析被引量：2: 《微计算机信息》2008年第13期215-217,共3页张玲; 国家自然科学基金重大项目:未来移动通信系统关键理论与技术研究(60496311); 盲信号分离问题在信号处理领域中是一个值得深入研究的很重要的方向。因此关于这个问题已经提出了很多分离算法,能够在一定程度上解决越来越复杂的实际问题。投影逼近子空间跟踪(PAST)是一种很重要的盲信号分离方法。本文就PAST方法用...; 关键词：盲信号分离投影逼近子空间跟踪(PAST) 主分量分析(PCA) 串音误差仿真分析

块对角化预编码MIMO系统多用户调度: 《应用科学学报》2008年第6期551-555,共5页孙欢王新宇王炎尤肖虎; 国家自然科学基金(No.60496311);国家"863"高技术研究发展计划(No.2006AA01Z268)资助项目; 研究了在多用户、多输入多输出(MU-MIMO)系统中发射端块对角化(BD)预编码方案的实现算法,以及基于该预编码方案的多用户调度算法.利用子空间分解技术设计了发端的预编码矩阵.通过该预编码矩阵,系统可以实现与多个用户同时进行多码流、...; 关键词：多用户调度预编码矩阵多输入多输出子空间分解

一种基于MPLS的无线接入网微移动方案被引量：1: 《电路与系统学报》2008年第5期39-43,共5页王树军毕光国; 国家自然科学基金重大项目(60496311); 将MPLS技术应用到基于IP的无线接入网络是近年越来越受到关注的新课题。本文提出了一种基于MPLS的微移动方案,方案采用在基站进行缓冲的方法降低切换时的分组丢失。最后对方案的性能从算法所产生的网络开销、切换时延与分组丢失几个方...; 关键词：MPLS 微移动切换无线接入网

国家自然科学基金(60496311)