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Xiaomeng Chai
Researcher at University of Science and Technology Beijing
Publications - 12
Citations - 806
Xiaomeng Chai is an academic researcher from University of Science and Technology Beijing. The author has contributed to research in topics: Relay & Macrocell. The author has an hindex of 7, co-authored 12 publications receiving 686 citations.
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Full duplex techniques for 5G networks: self-interference cancellation, protocol design, and relay selection
TL;DR: It is shown that numerous open challenges, such as efficient SI suppression, high-performance FD MAC-layer protocol design, low power consumption, and hybrid FD/HD designs, have to be tackled before successfully implementing FD-based systems.
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Performance Analysis for Opportunistic Full-Duplex Relay Selection in Underlay Cognitive Networks
TL;DR: Numerical results show that, in the presence of multiple candidate relays, an optimum relay-selection solution in terms of outage probability can always be achievable within the SNR range of (10 dB, 15 dB).
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Throughput Improvement in Cellular Networks via Full-Duplex Based Device-to-Device Communications
TL;DR: Numerical results show that the proposed DCLP mechanism is capable of substantially improving the throughput of the underlaying cellular networks without seriously eroding the capacity of the conventional cellular links.
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Joint Spectrum-Sharing and Base Station Sleep Model for Improving Energy Efficiency of Heterogeneous Networks
TL;DR: The coverage probabilities for both the macrotier and microtier networks are derived, followed by maximizing the coverage probability of the HetNets conceived for optimizing both the PSR factor and macro–microbase station's (BS) active probability ratio (APR).
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Self-organization approaches for optimization in cognitive radio networks
TL;DR: Fundamental aspects of CR, including spectrum sensing, spectrum management, spectrum mobility and spectrum sharing, have been surveyed, with their paradigms of self-organization being emphasized and critical functionalities of Media Access Control and network-layer operations are surveyed and compared.