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检索条件"作者=3.national Mobile Communications Research laboratory, Southeast University, Nanjing 210096, {3."
14607 条 记 录,以下是1-10 订阅
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Blind estimation of multipath delays in OFDM systems
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Science China(Information Sciences) 2012年 第6期55卷 1397-1401页
作者: SHENG Bin & YOU XiaoHu national mobile communications{3. laboratory,southeast university,nanjing 210096,China 1. national mobile communications{3. laboratory Southeast University Nanjing 210096 China
In order to coherently detect the transmitted data symbols,an orthogonal frequency division multi-plexing (OFDM) receiver requires reliable identification and equalization of the experienced wireless multipath fading ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Multi-user MIMO downlink eigen-mode transmission over jointly correlated MIMO channels
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Science China(Information Sciences) 2011年 第10期54卷 2124-2137页
作者: LI Xiao ,JIN Shi & GAO XiQi national mobile communications{3. laboratory,southeast university,nanjing 210096,China 1. national mobile communications{3. laboratory Southeast University Nanjing 210096 China
The study of multi-user multiple-input multiple-output (MU-MIMO) systems has emerged recently as an important research topic because such systems have the potential to combine the high capacity that can be achieved th... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Spectral Estimation based on Filter Bank and Cepstrum Thresholding for Cognitive Radios
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China communications 2009年 第1期6卷 92-98页
作者: Cao Zhiping, Bi Guangguo, Zhang Zaichen national mobile Communication research{3., School of Information Science and Engineering, southeast university, nanjing 210096, China national mobile Communication research{3. School of Information Science and Engineering Southeast University Nanjing 210096 China
Spectrum sensing plays an important role in cognitive radio (CR). Nonparametric spectrum estimation is considered as a feasible candidate for CR. Some filter bank based periodogram algorithms, such as Thomson’s multi... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
SQUARE attack on block ciphers with low algebraic degree
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Science China(Information Sciences) 2010年 第10期53卷 1988-1995页
作者: SUN Bing 1 , LI RuiLin 1 , QU LongJiang 1,3.& LI Chao 1,2,3.1 Science College of national university of Defense Technology, Changsha 410073. China 2 State Key laboratory of Information Security, Graduate university of Chinese Academy of Sciences, Beijing 100049, China 3.national mobile communications research laboratory, southeast university, nanjing 210096, China 1. Science College of national university of Defense Technology Changsha 410073 China3. National Mobile Communications Research Laboratory Southeast University Nanjing 210096 China2. State Key Laboratory of Information Security Graduate University of Chinese Academy of Sciences Beijing 100049 China
By using an algebraic method, the mathematical foundation of SQUARE attack is studied in this paper. We point out that a SQUARE distinguisher exists if and only if the degree of the polynomial function between n-bit i... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
On the number of rotation symmetric Boolean functions
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Science China(Information Sciences) 2010年 第3期53卷 537-545页
作者: FU ShaoJing1, LI Chao1,2 & QU LongJiang1,3.1Science College of national university of Defense Technology, Changsha 410073. China 2State Key laboratory of Information Security, Beijing 10003., China 3.0} mobile communications research laboratory, southeast university, nanjing 210096, China 1. Science College of national university of Defense Technology Changsha 410073 China2. State Key Laboratory of Information Security Beijing 100039 China3. National Mobile Communications Research Laboratory Southeast University Nanjing 210096 China
Rotation symmetric Boolean functions (RSBFs) have been used as components of different cryptosystems. This class of functions are invariant under circular translation of indices. In this paper, we investigated balance... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Performance analysis of variable-power adaptive modulation in space-time block coded MIMO diversity systems
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Science China(Information Sciences) 2010年 第10期53卷 2106-2115页
作者: YU XiangBin 1,2 & SHI HuiBin 1 1 College of Information Science and Technology, nanjing university of Aeronautics and Astronautics, nanjing 210016, China 2{3. mobile communications research laboratory, southeast university, nanjing 210096, China 1. College of Information Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 China2. National Mobile Communications Research Laboratory Southeast University Nanjing 210096 China
In this paper, the performance analysis of multi-antenna MIMO systems with variable-power (VP) adaptive modulation and space-time coding is presented. The fading gain value is partitioned into a number of regions by w... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Joint subcarrier and power allocation in uplink OFDMA systems based on stochastic game
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Science China(Information Sciences) 2010年 第12期53卷 2557-2566页
作者: WU Dan 1,CAI YueMing 1,2 & SHENG YanMing 1 1 Institute of communications Engineering,PLA university of Science and Technology,nanjing 210007,China 2{3. mobile communications research laboratory,southeast university,nanjing 210096,China 1. Institute of communications Engineering PLA University of Science and Technology Nanjing 210007 China2. National Mobile Communications Research Laboratory Southeast University Nanjing 210096 China
In uplink orthogonal frequency division multiplexing access(OFDMA) systems,efficient resource allocation can greatly improve system ***,in this paper,we present a game-theoretical approach to achieve a joint subcarrie... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Negacyclic codes over Galois rings of characteristic 2a
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Science China Mathematics 2012年 第4期55卷 869-879页
作者: ZHU ShiXin 1,2,& KAI XiaoShan 1,2 1 School of Mathematics,Hefei university of Technology,Hefei 23.009,China 2 national mobile{3. research laboratory,southeast university,nanjing 210096,China 1. School of Mathematics Hefei University of Technology Hefei 230009 China2. National Mobile Communications Research Laboratory Southeast University Nanjing 210096 China
Abstract We investigate negacyclic codes over the Galois ring GR(2a,m) of length N = 2kn, where n is odd and k≥0. We first determine the structure of u-constacyclic codes of length n over the finite chain ring GR(... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
A sub-block orthogonal single carrier frequency domain equalization system in fast Rayleigh fading channel
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Science China(Information Sciences) 2010年 第9期53卷 1833-1847页
作者: LIU Rui*,GAO XiQi* & WANG WenJin national Communication research laboratory,{3. university,nanjing 210096,China 1. national Communication research laboratory Southeast University Nanjing 210096 China
In this paper,we analyze the frequency domain linear equalization(FDLE) of single carrier block transmission(SCBT) systems under fast fading ***,we propose a new approximating model in which the channel is assumed to ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Nonlinear codes with asymptotic parameters better than the Gilbert-Varshamov and the Xing Bounds
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Science China Mathematics 2006年 第6期49卷 852-864页
作者: HU Wanbao Department of Mathematics, Anqing Teachers College, Anqing 246011, China national mobile communications{3., Southest university, nanjing 210096, China 1. Department of Mathematics Anqing Teachers College Anqing 246011 China 2. national mobile communications{3. Southest University Nanjing 210096 China
In this paper, we show that the Gilbert-Varshamov and the Xing bounds can be improved significantly around two points where these two bounds intersect by nonlinear codes from algebraic curves over finite fields.
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论