国家自然科学基金(BK2006701)

作品数：6被引量：8H指数：2
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Power allocation for non-orthogonal decode-andforward cooperation protocol被引量：3
《Science in China(Series F)》2009年第6期1037-1042,共6页ZHANG Yong XU YouYun CAI YueMing 
Supported by the Project of Natural Science Foundation of Jiangsu Province (Grant No BK2006701);the National Natural Science Foundation of China (Grant No 60672079);the National High-Tech Research & Development Program of China (Grant No 2007AA01Z267)
This paper studies the power allocation problem for the non-orthogonal decode-and-forward （NDF） cooperation protocol with selection relaying.With the availability of the magnitudes of all channel gains at the source...
关键词：non-orthogonal DECODE-AND-FORWARD power allocation RELAYING 
Cooperative multiple access channels: Achievable rates and optimal resource allocation
《Science in China(Series F)》2009年第8期1428-1438,共11页PAN ChengKang CAI YueMing XU YouYun 
Supported partially by the National Natural Science Foundation of China (Grant No. 60672079);the Natural Science Foundation of Jiangsu Province (Grant No. BK2006701);the Natinoal High-Tech Research & Development Program of China (Grant No. 2007AA01Z267)
We investigate the multiple access channels （MAC） where sources can cooperate via half-duplex relaying and refer to it as cooperative MAC channels （CMAC）. Assuming perfect channel state information （CSI） at the ...
关键词：multiple access channel cooperative communication rate region resource allocation 
Channel-aware multi-user uplink transmission scheme for SIMO-OFDM systems被引量：2
《Science in China(Series F)》2009年第9期1678-1687,共10页PAN ChengKang CAI YueMing XU YouYun 
the Natural Science Foundation of Jiangsu Province (Grant No. BK2006701);the National Natural Science Foundation of China (Grant No. 60672079);the National High-Tech Research & Development Program of China (Grant No. 2007AA01Z267)
The problem of medium access control （MAC） in wireless single-input multiple-output-orthogonal frequency division multiplexing （SIMO-OFDM） systems is addressed. Traditional random access protocols have low overhea...
关键词：SIMO-OFDM medium access control signal processing receive beamforming 
A COLLABORATIVE SPECTRUM SENSING SCHEME USING FUZZY COMPREHENSIVE EVALUATION IN COGNITIVE RADIO被引量：3
《Journal of Electronics(China)》2009年第3期326-331,共6页Yang Wendong Ye Yuhuang Cai Yueming Xu Youyun 
Supported by the National Natural Science Foundation of China (No.60672079);the Natural Science Foundation of Jiangsu Province (No.BK2006701 and No. BK2007002)
Cognitive Radio(CR) is a promising technology to solve the challenging spectrum scarcity problem.However, to implement CR, spectrum sensing is the groundwork and the precondition.In this paper, a collaborative spectru...
关键词：Cognitive Radio （CR） Collaborative spectrum sensing Fuzzy comprehensive evaluation 
Performance analysis and code recognition for dual N-ary orthogonal hybrid modulation systems
《High Technology Letters》2008年第2期113-117,共5页乔晓强 Zhao Hangsheng Cai Yueming 
the National Basic Research Program of China(No5130601);Jiangsu Provincial Natural Science Foundation(NoBK2006701)
A dual N-ary orthogonal hybrid modulation system is introduced in this paper, which can increase the data rate greatly compared with conventional N-ary orthogonal spread spectrum system, so it can be used for high rat...
关键词：code recognition N-ary orthogonal spread spectrum hybrid modulation MAP （maxi-mum a posteriori） algorithm 
A NOVEL SEMI-BLIND TIME-FREQUENCY DOMAIN TRACKING ALGORITHM SUITABLE FOR MPSK-OFDM
《Journal of Electronics(China)》2008年第2期150-156,共7页Wei Li Xu Youyun Cai Yueming Pan Xiaofei 
the Natural Science Foundation of Jiangsu Province (BK2006701);the National Natural Science Foundation of China (No.60672079).
This paper presents a semi-blind tracking algorithm used for Multiple Phase Shift Keying based Orthogonal Frequency Division Multiplexing(MPSK-OFDM) system. By using special pream-bles to assist the decision of a feed...
关键词：Phase ambiguity Multiple Phase Shift Keying based Orthogonal Frequency Division Multiplexing （MPSK-OFDM） SEMI-BLIND TRACKING 
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