Preamble allocation scheme using trajectory information for mobile relay stations

Authors:
Hanjin Lee;Dongwook Kim;Hyunsoo Yoon
Affiliations:
Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Republic of Korea;Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Republic of Korea;Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Republic of Korea
Venue:
IEEE Communications Letters
Year:
2009

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Abstract

We propose a novel preamble allocation scheme for mobile relay stations (MRS) in order to reduce the occurrence of preamble collision. We calculate the probability of preamble collision based on trajectory information of MRSs. Then, we select a preamble considering not only the probability of preamble collision but also interference from other base stations (BS) and relay stations (RS). Simulation results show that the proposed scheme significantly reduces the occurrence of preamble collision.