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We provide an improved bound for the expectation of the stationary delay under the maximum weight scheduling (MWS) policy in one-hop wireless networks. In the model, the interference of the links is characterized by an interference graph G=(V, E). For a vector μ ∊ R|V|+, let χf (G, μ) be the weighted fractional coloring number for the graph G under the weight vector μ. For an arrival rate vector λ...
Recent studies on queue-length-based randomized link scheduling algorithms have shown their throughput-optimality. But simulation results indicate that the packet delay in such algorithms can be quite large, even when the traffic intensity is low compared with the network capacity. The reason can be traced to the fact that these algorithms need the queues to be sufficiently large before the links...
We provide bounds for the expectations of the stationary delay and the sum of the stationary queue sizes under the approximate maximum weight scheduling (MWS) policy and under the longest-queue-first (LQF) policy in one-hop wireless networks. For MWS, our results improves the previously provided bounds; for LQF, the results are new. In the derivation of the new bounds, a connection with certain graph...
The most important limiting factor of conventional D-InSAR method is strongly atmospheric wet delay during monitoring small landslides located at rainy and mountainous area. The wet delay phase could even cover deformation field of test site sometimes. In this paper, we found the wet delay phase over Shuping landslide was not only closely related with elevation, but also was a function of distance...
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