Cooperative Coverage Extension in Vehicular Land Mobile Satellite Networks
作者： Giuseppe Cocco , Nader Alagha , Christian Ibars
关键词: Linear network coding 、 Packet loss 、 Computer network 、 Broadcasting 、 Physical layer 、 Distributed computing 、 Digital Video Broadcasting 、 Communication channel 、 Vehicular ad hoc network 、 Repeater 、 Computer science
摘要: We study the application of random linear network coding (RLNC) for cooperative coverage extension in land mobile satellite (LMS) vehicular networks. perform an analytical assessment limits cooperation presence both a and terrestrial repeater (gap filler). Using max-flow min-cut theorem, we derive exact expressions closed-form lower bounds on setup practical interest. Furthermore, propose implementation RLNC approach Digital Video Broadcasting—Satellite services to Handheld (DVB-SH) standard. evaluate numerically performance proposed protocol using simulator based physical-layer abstraction (PLA) widely adopted propagation channel models segments. Our simulation results show that scheme extends with respect system which simple relaying is used, making more efficient use resources. In addition, solution can help keep relatively low outage probability while limiting number required gap fillers.
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