supported by National Natural Science Foundation of China(Grant No.60832007);National High-Tech Research & Development Program of China(Grant No.2009AA011801);National Key Laboratory Foundation of China(Grant No.9140C5303030803)
To address the problem that long-range communication capability in ad hoc networks using directional antenna is not generally utilized, a directional media access control (DMAC) protocol with long-range communicati...
supported by the National 863 High Technology Development Project (2009AA01Z236);National Natural Science Foundation of China (60902027, 60832007 and 60901018);the Funds (9140A21030209DZ02);the Fundamental Research Funds for the Central Universities (ZYGX2009J008 and ZYGX2009J010)~~
This work is supported in part by the National Natural Science Foundation (No.60832007, No.60901018, No.60902027, No.U1035002/L05), 863 Hi-Tech Research and Development Project of China (No.2009AA01Z236), Key Project (No.2009ZX03003-008-01), and the Fundamental Research Funds for the Central Universities of China (No.ZYGX2009J008, No.ZYGX2009J010).
In the coverage region of Distributed antenna systems (DAS), two Remote antennas (RA) are as- sumed at the Base station (BS) for receiving the signal transmitted from the Mobile station (MS) with a single ante...
This work is supported in part by the National Natural Science Foundation of China (No.60832007, No.60901018, No.609002027, No.60602009), "863" Project (No.2009AA01Z236) and Key Project of China (No.2009ZX03003-008-01, No.2008BAH30B11).
In the fiat Rayleigh channels, two remote antennas are assumed at the base station for receiving the signal transmitted from the mobile station with a single antenna. By utilizing the coverage range of each remote ant...
supported by the National Natural Science Foundation of China (Grant No. 60832007);National Hi-Tech Research and Development Program of China (Grant No. 2006AA01Z262)
In this paper, a novel method for constructing quasi-cyclic LDPC codes with low complexity is proposed. By choosing each circulant permutation matrix sequentially, the proposed method ensures that the current circulan...
supported by the Key Laboratory of Universal Wireless Communication in Beijing University of Posts and Telecommunications, Ministry of Education (Grant No. 2007101);the National High-Tech Research & Development Program of China (Grant No. 2009AA011801);the National Natural Science Foundation of China (Grant No. 60832007)
Traditional equalization algorithms for multiple input multiple output (MIMO) systems suffer from high complexity and low convergence rate. So an improved adaptive reduced-rank joint detection algorithm of multistag...
Supported by the National Natural Science Foundation of China (No. 60832007);the National Hi-Tech Research and Development Plan of China (No. 2009AA011801)
Channel assignment is a challenge for distributed cognitive networks due to spectrum mobility and lack of centralized entity.We present a dynamic and efficient algorithm via conflict shifting,referred as Shifting-base...