Performance Evaluation of Packet Radios with Finite Population under Multipath Interference
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This paper proposes a three-dimensional Markov model to study the effect of multipath interference on packet radios with a finite population. With this Markov model and minislot approximation, the system performance in terms of throughput and delay is evaluated. Computer simulations are performed to verify the correctness of the analytical method. In addition, an extended-slot method is also proposed to reduce the multipath interference triggered by line-of-sight packets in the preceding slot. Numerical results show that the proposed method remarkably enhances system performance.
Abstract
This paper proposes a three-dimensional Markov model to study the effect of multipath interference on packet radios with a finite population. With this Markov model and minislot approximation, the system performance in terms of throughput and delay is evaluated. Computer simulations are performed to verify the correctness of the analytical method. In addition, an extended-slot method is also proposed to reduce the multipath interference triggered by line-of-sight packets in the preceding slot. Numerical results show that the proposed method remarkably enhances system performance.