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Abstract
The high speed railway (HSR) provides more convenience to people, so the main attention is given to provide the reliable communication inside the train. It is the challenging task due to the high mobility of train and frequent need of handoff to each communicating users. In this paper, the individual handoff problem is solved by group handoff by using moving relays (MR) through cooperative communication. The system model for non-cooperative and cooperative communication in multi-tier heterogeneous network is proposed. Two different scenario for HSR communication i.e. without MR or direct communication and with MR, are discussed. Moreover, effect of interference, noise signal and power control factor are also considered in this paper. The performance of system model is analyzed by handoff probability, outage probability, coverage probability and transmission capacity. The results show that the outage probability and handoff probability decreases and coverage probability and transmission capacity increases as the number of MR increases due to cooperative communication. The analytical results are also verified by the Monte-Carlo simulation.
Published Version
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