The Potential of Moving Relays - A Performance Analysis

In this paper, the authors show the potential of Moving Relay Nodes (MRNs), i.e., relays mounted on top of public transportation vehicles, to improve capacity, reliability and coverage for vehicular users in future wireless networks. To this end, they study and compare the performance of dual-hop MRN assisted transmission, dual-hop transmission assisted by a Fixed Relay Node (FRN) deployed on the street, as well as of the baseline single-hop direct transmission. For an accurate comparison, they optimize the FRN position in terms of Outage Probability (OP). This position is a function of the path-loss, transmit power and Vehicle Penetration Loss (VPL). The problem is investigated for Rayleigh fading under fixed cell coverage.

Provided by: Institute of Electrical & Electronic Engineers Topic: Mobility Date Added: Mar 2012 Format: PDF

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