国家自然科学基金(61101145)

作品数：9被引量：29H指数：4
导出分析报告
相关作者：葛建华王勇李静朱斌孙垂强更多>>
相关机构：西安电子科技大学更多>>
相关期刊：《通信学报》《西安电子科技大学学报》《Science China(Information Sciences)》《Journal of Central South University》更多>>
相关主题：RELAYINGAMPLIFY-AND-FORWARDOFDM信号正交频分复用AF更多>>
相关领域：电子电信自动化与计算机技术更多>>
-
在结果中检索

检索结果分析

结果分析中...
共 条 记 录，以下是1-9
全选清除导出
参考文献引证文献引用追踪
视图：
排序：
联合星座扩展的预留子载波OFDM信号峰均比抑制算法被引量：5
《通信学报》2016年第3期175-181,共7页刘芳 王勇 
国家自然科学基金资助项目(No.61101145);国家科技重大专项基金资助项目(No.2012ZX03001008);111基地基金资助项目(No.B08038)~~
针对现有预留子载波TR技术对无线OFDM信号峰均比(PAPR)抑制性能效率低,且难以同时兼顾峰均比抑制、误码率(BER)性能损失及带外频谱分量扩展的问题,提出一种联合智能梯度映射主动星座扩展ACE的预留子载波峰均比抑制ACE-TR算法,能以较低...
关键词：正交频分复用 峰均比 预留子载波 主动星座扩展 
联合迭代滤波与压扩参数优化的OFDM信号峰平比抑制被引量：6
《通信学报》2015年第4期163-169,共7页杨超 王勇 葛建华 
国家自然科学基金资助项目(61101145);国家科技重大专项基金资助项目(2012ZX03001008);111基地基金资助项目(B08038)~~
针对现有基于压扩变换处理的信号峰平比抑制方法性能单一且参数固定等缺陷,提出一种联合迭代滤波与自适应压扩参数优化的OFDM信号峰平比抑制方案。该方案能够同时对信号的峰平比PAPR和接收端误码率BER性能进行联合优化,并在迭代过程中...
关键词：正交频分复用 峰平比 压扩变换 参数优化 
A novel threshold-based quadrature signaling scheme for cooperative networks被引量：3
《Science China(Information Sciences)》2014年第6期27-35,共9页SONG XinHai GE JianHua SHI JingJing LI Jing 
supported by National Basic Research Program of China(973 Program)(Grant No.2012CB316100);"111"Project(Grant No.B08038);National Natural Science Foundation of China(Grant Nos.61001207,61101144,61101145)
Presented is a novel threshold-based quadrature signaling（TQS）scheme for cooperative networks.By assigning different components of the quadrature signaling to different cooperative users and letting each user node d...
关键词：cooperative diversity digital relaying quadrature signaling THRESHOLD bit error rate 
Robust power allocation algorithm for analog network coding with imperfect CSI被引量：4
《Science China(Information Sciences)》2014年第4期120-129,共10页ZHANG ChenSi GE JianHua LI Jing HU Yun 
supported by National Basic Research Program of China(973 Program)(Grant No.2012CB316-100);"111"Project of China(Grant No.B08038);National Natural Science Foundation of China(Grant Nos.61101144,61101145);Fundamental Research Funds for the Central Universities(Grant No.K50510010017)
Power allocation promises significant benefits in wireless networks. However, these benefits depend on knowledge of the channel state information （CSI）, which is hardly perfect. Therefore, robust algorithms that tak...
关键词：analog network coding （ANC） outage probability two-way relay robust power allocation imper-fect channel state information （CSI） 
多小区干扰对齐的低复杂度发射天线选择算法被引量：7
《西安电子科技大学学报》2014年第2期9-14,共6页朱斌 葛建华 孙垂强 李静 
国家863计划资助项目(2012AA011701);国家科技重大专项基金资助项目(2012ZX03001027-004);国家重点基础研究发展计划资助项目(2012CB316100);国家111计划资助项目(B08038);国家自然科学基金资助项目(61101144和61101145)
针对多小区干扰对齐系统的下行链路,在研究基于穷搜索和分布式干扰对齐的最优发射天线选择算法的基础上,提出了一种低复杂度的发射天线选择算法.该算法采用贪心搜索策略,利用部分迭代的分布式干扰对齐方法,在保持其他基站的发射天线选...
关键词：干扰对齐 发射天线选择 低复杂度 容量 
Energy efficiency enhancement of two-way amplifier forward relaying with channel estimation error被引量：1
《Journal of Central South University》2014年第3期987-992,共6页师晓晔 葛建华 李靖 张沉思 
Project(IRT0852) supported by the Program for Changjiang Scholars and Innovative Research Team in University,China;Project(2012CB316100) supported by the National Basic Research Program of China;Projects(61101144,61101145) supported by the National Natural Science Foundation of China;Project(B08038) supported by the "111" Project,China;Project(K50510010017) supported by the Fundamental Research Funds for the Central Universities,China
In order to save energy consumption of two-way amplifier forward(AF) relaying with channel estimation error, an energy efficiency enhancement scheme is proposed in this work. Firstly, through the analysis of two-way A...
关键词：AMPLIFY-AND-FORWARD channel estimation error cooperative energy gain energy efficiency outage probability two-way relay 
Traffic-information-utilized low-complexity relay selection for two-way AF relaying networks被引量：1
《Science China(Information Sciences)》2013年第9期290-294,共5页SHI JingJing GE JianHua LI Jing GAO Yang 
supported by National Basic Research Program of China (973 Program) (Grant No. 2012CB316100);"111" Project (Grant No. B08038);National Natural Science Foundation of China (Grant Nos. 61101144,61001207,61001128, 61101145);Fundamental Research Funds for the Central Universities (Grant Nos. K50511010005, K50510010017)
This paper investigates a two-way amplify-and-forward multiple relaying network （TWMR-AF） and presents a novel relay selection scheme, which is appropriate for different traffic patterns and has very low implementat...
关键词：two-way relay AMPLIFY-AND-FORWARD relay selection traffic mode LOW-COMPLEXITY 
Traffic-knowledge-based relay selection for asymmetric two-way AF relaying networks被引量：2
《Science China(Information Sciences)》2013年第4期209-214,共6页ZHANG ChenSi GE JianHua LI Jing ZHU Bin SHI XiaoYe 
supported by Program for Changjiang Scholars and Innovative Research Team in University (Grant No. IRT0852);National Basic Research Program of China (Grant No. 2012CB316100);"111" Project (Grant No. B08038);National Natural Science Foundation of China (Grant Nos. 61101144,61101145);Fundamental Research Funds for the Central Universities (Grant No. K50510010017)
A novel relay selection criterion, in which the traffic-knowledge is utilized, is proposed for asymmetric two-way amplify-and-forward （AF） relaying networks. The system outage probability, diversity gain and coding ...
关键词：two-way relay AMPLIFY-AND-FORWARD relay selection ASYMMETRIC 
非理想Nakagami-m信道下DF协作系统的最优功率分配
《西安电子科技大学学报》2012年第2期17-23,共7页张南 葛建华 宫丰奎 高明 
国家自然科学基金资助项目(61001207,61101144,61101145);国家重点基础研究发展计划资助项目(2012CB316100);长江学者和创新团队发展计划资助项目(IRT0852);中央高校基本科研业务费专项资金资助项目(K50510010008,K50511010015);高等学校学科创新引智计划资助项目(B08038)
针对Nakagami-m衰落信道下的多中继DF协作系统,研究信道估计误差存在时功率分配对系统性能的影响.首先基于全概率公式和矩母函数(MGF)方法,给出M-QAM调制下的近似误符号率(SER)和渐进SER解析式;其次,基于简洁的渐进解析式,将功率分配问...
关键词：协作通信 译码转发 M-QAM 信道估计误差 误符号率 功率分配 
全选清除导出
共1页<1>
检索报告 对象比较 聚类工具 使用帮助 返回顶部