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A scheme of all-optical multilevel phase quantization with high accuracy based on multiwave interference is proposed. The influences of the amplitude ratios of the conjugate (N − 1)th and (N + 1)th harmonics to the signal on phase quantization accuracy are researched. The characteristics of the phase quantization output with the amplitude ratios variation are discovered. By using the proposed scheme,...
Our previous work about millimeter-wave (mm-wave) network spectrum sharing showed that the proposed link-specific coordination context scheme has gains over both traditional orthogonal and blind full reuse schemes [1]. However, in order to coordinate an individual coordination context for each interfering link pair, a lot of messages need to be exchanged, which causes too much overhead thus makes...
Spectrum sharing is particularly promising for 5G-oriented millimeter-wave (MMW) networks, since MMW network deployments are predominantly expected to be only partially overlapping or adjacent islands, and it would not make sense to assign a dedicated sub-band to each operator in this case. However, inter-network interference may degrade the performance of both networks. Therefore coordination is...
This paper investigates joint power and subcarrier allocation issues for cellular OFDM-relay networks. Two novel decentralized schemes, namely semi-distributed method and distributed method based on multihop equilibrium are proposed, which aims to exploit the radio resource management (RRM) function for relay nodes (RNs) and decrease the amount of feedback information for RN-MS links. In decentralized...
In this paper, three centralized packet scheduling schemes with fairness-oriented feature are proposed for OFDMA multihop relaying networks, namely Greedy polling with novel starvation restrained (SR-GP), enhanced proportional fairness with SR (SR-EPF) and novel subcarrier pairing with hop balance (HB-SP) scheduling algorithms. SR-GP can bring better fairness than traditional throughput-oriented algorithms...
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