Throughput and transmission capacity of ad hoc networks with channel state information
作者： Nihar Jindal , Steven Weber , Jeffrey G Andrews
DOI:
关键词: Optimized Link State Routing Protocol 、 Vehicular ad hoc network 、 Aloha 、 Channel state information 、 Fading 、 Communication channel 、 Mobile ad hoc network 、 Wireless ad hoc network 、 Computer network 、 Computer science
摘要: This paper develops a general framework for deriving the spatial throughput and transmission capacity of spatially Poisson distributed ad hoc networks (i) random (e.g., fading) channels, (ii) distances. In both these scenarios randomness channels ranges invariably lowers assuming that users randomly elect to transmit with some probability (i.e., Aloha). Assuming each node knows channel state information (CSI, e.g., gain and/or distance) just its intended receiver, we propose simple threshold-based scheduling rule derive threshold optimizes throughput. The gains are surprisingly large: factor three increase in over Aloha is typical even no further coordination between nodes network.
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