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In this study, we propose a novel design method to significantly reduce the volume of reflectarray antennas. Unlike the commonly used approaches, the distance (F) between a source antenna and a reflectarray is largely narrowed in this work, which is no longer than $0.3\lambda$. Accordingly, the total area occupied by the reflectarray can also be reduced with almost no decline in performance. Instead...
Reliable data transport has always been one of central issues in the area of communication networks. In this work, we investigate the possibility of enhancing reliability of selective repeat (SR) automatic repeat request (ARQ) by integrating network coding techniques into it. Through extensive simulation experiments, we analyze packet transport performance, e.g., throughput and delay, against various...
MPTCP is a promising transport technique to boost throughput of wireless multi-homed device by supporting multiple concurrent transmissions through heterogeneous wireless interfaces. As the number of concurrent subflows increase, MPTCP can achieve a linearly increasing throughput performance, but it is unclear how much improvement in the end-to-end delay performance can be attained from additional...
We attempt to bridge queuing theory and information theory by considering queue lengths as communication channels conveying information about system parameters. A toy problem is proposed and an information-theoretic lower bound is derived on the queue-length/cost tradeoff which matches (in an order sense) the performance of back-pressure algorithms. The proof is based on the idea of “communication...
According to multimedia service distribution such as High-Definition Television (HDTV), Internet Protocol Television (IPTV) and Voice Over Internet Protocol (VoIP), the networks are required to guarantee Quality of Service (QoS) and real-time performance. Power Line Communication Technology is used for data transfer as well as the transfer of electric power. However, power line communication has some...
This paper is concerned with the problem of robust Hinfin stabilization for networked control systems (NCSs) with both network-induced delay and packet dropout. To obtain a robust Hinfin stability criterion with the reduced conservatism, first, this paper presents a useful approach that can non-conservatively represent some time-varying terms encountered in the analysis and synthesis of controllers...
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