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Conference Paper
Enhanced Resource Allocation Method for 5G V2X Communications
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- Authors
- Taehyoung Kim, Gosan Noh, Junhyeong Kim, Heesang Chung, Ilgyu Kim
- Issue Date
- 2021-10
- Citation
- International Conference on Information and Communication Technology Convergence (ICTC) 2021, pp.621-623
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- 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 Keywords
- Channel decoding, Communication system, Control channel, Frequency selective, Power Consumption, Resource Pool, Resource allocation method, Resource selection, Resource sensing, Sub-channels, User equipment(UE)