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Recently, Operation and Asset Management Department pays more and more attention to the accumulation and analysis of operation data. To support the OAMD with decision making and lead the asset management transit from “experience dependence” to “data support”, this paper analyzes the defect data of circuit-breaker with voltage level above 110kV from the perspective of voltage level, operation department,...
Different from the previous studies on distributed-antenna (DA) systems (DASs) that mostly focused on the enhancement of downlink or uplink performance of cellular systems through cooperation of DAs, this paper proposes and investigates the performance of a novel fiber-connected DA relay system (DARS) that employs radio-over-fiber (RoF) techniques to interconnect a DAS to a central processor, which...
We propose two scheduling protocols which are applicable to two-hop relay networks based on mobile WiMAX system: the first protocol adopts a persistent scheduling (PS) scheme in both hops, called the PS-PS protocol, while the second protocol adopts the PS scheme only in the first hop and the dynamic scheduling (DS) scheme in the second hop, called the PS-DS protocol. We optimize the above two protocols...
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