国家自然科学基金(60873190)

作品数：16被引量：16H指数：3
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相关作者：张健刘元安谢刚毛峻岭刘芳更多>>
相关机构：北京邮电大学更多>>
相关期刊：《The Journal of China Universities of Posts and Telecommunications》《电子科技大学学报》《Science China(Information Sciences)》更多>>
相关主题：RESOURCE_ALLOCATIONDOWNLINKOFDMANETWORK_CODINGRELAY更多>>
相关领域：电子电信自动化与计算机技术理学经济管理更多>>
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Resource allocation for MIMO-OFDMA downlink based cognitive radio systems with imperfect channel learning
《Science China(Information Sciences)》2013年第10期67-80,共14页LI XiuWen GAO JinChun LIU YuanAn XIE Gang MAO JunLing DENG PanLiang 
supported in part by Canada-China Scientifc and Technological Cooperation(Grant No.2010DFA11320);the Fundamental Research Funds for the Central Universities(Grant Nos.G470209,2009RC0308);the National Natural Science Foundation of China(Grant Nos.60802033,60873190)
This paper is concerned with the resource allocation for multiple input multiple output and orthogo- nal frequency division multiplexing access （MIMO-OFDMA） downlink cognitive radio systems where a cognitive radio M...
关键词：cognitive radio MIMO OFDMA imperfect channel learning resource allocation 
Robust multiuser MIMO scheduling algorithms with imperfect CSI被引量：4
《Science China(Information Sciences)》2012年第4期815-826,共12页MAO JunLing GAO JinChun LIU YuanAn XIE Gang ZHANG Jian 
supported in part by Sino-Swedish IMT-Advanced Cooperation Project (Grant No. 2008DFA11780);Canada-China Scientific and Technological Cooperation (Grant No. 2010DFA11320);National Natural Science Foundation of China (Grant Nos. 60802033,60873190);Fundamental Research Funds for the Central Universities(Grant Nos. 2009RC0308,G470209);Project ZRJJ-2010-1 by Key Lab of Universal Wireless Communications,Ministry of Education
Robust multiuser multiple-input-multiple-output （MIMO） scheduling algorithms are proposed in this paper. With imperfect channel state information （CSI）, traditional scheduling algorithms for the multiuser MIMO sys...
关键词：multiuser MIMO （MU-MIMO） SCHEDULING ROBUST imperfect CSI 
AAA authentication for network mobility
《The Journal of China Universities of Posts and Telecommunications》2012年第2期81-86,共6页ZHANG Jie LIU Yuan-an MA Xiao-lei JIA Jin-tao 
supported by the National Nature Science Foundation of China (60873190,60973111,61003279);the National Science and Technology Major Project (2009ZX03005-002-02,2010ZX03007-003-04,2010ZX03006-005-02)
Network mobility （NEMO） is a protocol proposed for the mobility management of a whole network. It offers seamless Internet connectivity to the mobile end users. However, the NEMO protocol has not been widely used in...
关键词：NEMO AAA AUTHENTICATION access control 
Resource scheduling in downlink LTE-advanced system with carrier aggregation被引量：3
《The Journal of China Universities of Posts and Telecommunications》2012年第1期44-49,123,共7页LIN Le-xiang LIU Yuan-an LIU Fang XIE Gang LIU Kai-ming GE Xin-yang 
supported by the National Natural Science Foundation of China (60873190,60973111);the Undamental Research Funds for the Central Universities (G470216,2009RC0308,G470427,G470209);the Technology Specific Projects (2010ZX03005-001-03)
In this paper, we focus on the resource scheduling in the downlink of long term evolution advanced （LTE-A） assuming equal power allocation among subcarriers. Considering the backward compatibility, the LTE-A system ...
关键词：LTE-advanced system resource allocation cartier aggregation proportional fairness 
Error exponents for two-hop Gaussian multiple source-destination relay channels
《Science China(Information Sciences)》2012年第2期348-359,共12页DENG PanLiang LIU YuanAn XIE Gang WANG XiaoYu TANG BiHua SUN JianFeng 
supported in part by Sino-Swedish IMT-Advanced Cooperation Project(Grant No.2008DFA11780);Canada-China Scientific and Technological Cooperation(Grant No.2010DFA11320);National Natural Science Foundation of China(Grant Nos.60802033,60873190);National High Technology Research and Development Program of China(Grant No.2008AA01Z211);Fundamental Research Funds for the Central Universities(Grant Nos.2009RC0308,G470209)
We investigate the two-hop multiple source-destination relay channels using the rate splitting trans- mission scheme where each source can split its message into private and public parts. We determine the system error...
关键词：error exponent error exponent region rate splitting multiple source-destination relay channel 
Efficient wireless multicast retransmission using network coding被引量：2
《The Journal of China Universities of Posts and Telecommunications》2011年第6期59-67,88,共10页CAO Zhen TANG Bi-hua LIU Yuan-an XIE Gang LIU Fang DENG Pan-liang 
supported by the Canada-China Scientific and Technological Cooperation (2010DFA11320);the Fundamental Research Funds for the Central Universities (G470209, 2009RC0308);the National Natural Science Foundation of China (60802033, 60873190);the Important National Science and Technology Specific Projects (2010ZX03007-003-04, 2010ZX03005-001-03)
In wireless multicast, network coding has recently attracted attentions as a substantial improvement to packet retransmission schemes. However, the problem of finding the optimal network code which minimizes the retra...
关键词：reliable multicast network coding （NC） RETRANSMISSION improved Vandermonde matrix 
低复杂度的多用户MIMO下行链路块对角化算法被引量：2
《电子科技大学学报》2011年第5期662-666,共5页张健 刘元安 谢刚 毛峻岭 刘芳 
中加国际科学与技术合作项目(2010DFA11320);国家自然科学基金(60802033,60873190);中央高校基本科研业务费专项资金(2009RC0308,G470209);国家科技重大专项(2010ZX03005-001-03,2010ZX03007-003-04)
提出了一种低复杂度的多用户多输入多输出(MIMO)下行链路块对角化预编码算法,证明了该算法能够实现与传统块对角化算法完全相同的系统总容量。算法基于迫零方法进行改造,通过对迫零向量实施格拉姆-施密特正交,可以快速实现等效下行链路...
关键词：块对角化 计算复杂度 多输入多输出 预编码 
Joint relay selection and power allocation algorithm in two-way relay networks with proportional fair constraint
《The Journal of China Universities of Posts and Telecommunications》2011年第4期45-51,共7页DING Yi LIU Yuan-an XIE Gang DENG Pan-liang LI Xing-zheng 
supported by the Sino-Swedish IMT-Advanced Cooperation Project (2008DFA11780);the Canada-China Scientific and Technological Cooperation (2010DFA11320);the National Natural Science Foundation of China (60802033, 60873190);the Hi-Tech Research and Development Program of China (2008AA01Z211);the Fundamental Research Funds for the Central Universities (2009RC0308, G470209);the Important National Science and Technology Specific Projects (2010ZX03007-003-04,2010ZX03005-001-03)
In this paper, we consider the joint relay selection and power allocation problem for two-way relay systems with multiple relay nodes. Traditionally, relay selection schemes are primarily focused on selecting one rela...
关键词：relay selection power allocation two-way relay network amplify-and-forward relay proportional fair scheduling 
Power control for two-way amplify-and-forward relaying over Rayleigh fading channels
《Journal of Zhejiang University-Science C(Computers and Electronics)》2011年第4期280-287,共8页Xing-zheng LI Yuan-an LIU Gang XIE Pan-liang DENG Fang LIU 
supported by the Sino-Swedish IMT-Advanced Cooperation Project (No.2008DFA11780);the Canada-China Scientific and Technological Cooperation (No.2010DFA11320);the National Natural Science Foundation of China (Nos.60802033 and 60873190);the National High-Tech R&D Program (863) of China (No.2008AA01Z211)
We propose two novel power control policies for a two-way amplify-and-forward (AF) relaying system,in which each node (two sources and one relay) is assumed to operate under bothminimum and peak power constraints.Thro...
关键词：Amplify-and-forward (AF) relaying Power control Two-way relay channel Bidirectional relaying Cooperative communication 
Distributed interference suppression scheme for multi-cell uplink OFDMA system based on non-cooperative game
《The Journal of China Universities of Posts and Telecommunications》2011年第2期65-71,共7页CHANG Ling-jun TANG Bi-hua XIE Gang ZENG Ling-kang LIU Kai-ming 
supported by the Sino-Swedish IMT-Advanced Cooperation Project (2008DFA11780);the Canada-China Scientific and Technological Cooperation (2010DFA11320);the National Natural Science Foundation of China (60802033, 60873190);the Hi-Tech Research and Development Program of China (2008AA01Z211);the Fundamental Research Funds for the Central Universities (2009RC0308)
In this paper,a distributed interference suppression scheme is proposed for multi-cell uplink orthogonal frequency division multiple access（OFDMA） system.Firstly,we model resource allocation process as a non-coopera...
关键词：MULTI-CELL non-cooperative game OFDMA uplink ICI 
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