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학술대회 Enhanced Resource Allocation Method for 5G V2X Communications
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김태형, 노고산, 김준형, 정희상, 김일규
International Conference on Information and Communication Technology Convergence (ICTC) 2021, pp.621-623
21HH1300, [사회문제] 통신비 부담 경감을 위한 대중교통수단에서의 공공와이파이 체감 품질 개선, 정희상
In this paper, we propose an enhanced resource allocation to reduce user equipment (UE) power consumption for 5G vehicular-to-everything (V2X) communication systems. The V2X UE operating in resource allocation mode 2 performs resource sensing to select proper resources to be used. For this procedure, the UE needs to keep monitoring and decode sidelink control channel in a resource pool, so that it leads in a lot of power consumption at the UE side. To reduce the power consumption, frequency selective partial sensing (FS-PS) is proposed. In the FS-PS, the UE performs sidelink control channel decoding for a part of sub-channels in the resource pool. After initial resource selection, the UE performs re-evaluation for the remaining part of sub-channels in order to avoid potential resource collision. It has been shown that the FS-PS can achieve 18 % of power saving gain compared to the legacy full resource sensing.
KSP 제안 키워드
Channel decoding, Communication system, Control channel, Frequency selective, Power Consumption, Resource Pool, Resource allocation method, Resource selection, Resource sensing, Sub-channels, User equipment(UE)