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relay networks
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channel capacity
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interference
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indoor positioning
reinforcement learning
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smart factory
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estimated position overlapping
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estimated position updating
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control overhead
hybrid
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frame structure
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user fairness
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non-orthogonal multiple access
dynamic HetNet
spectrum partitioning
and 5G networks.
massive connectivity
non-orthogonal multiple access (NOMA)
overloading
DQN
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distributed mode
Communication range
resource selection
maximum likelihood method
Resource sharing
Power allocation
packet delay
Incheol Hwang, Hyunsoo Kim, Taehyung Kim, and Daesik Hong, "A New Hybrid Resource Allocation Scheme in C-V2V Systems" IEEE VTC Fall 2020
[IEEE VTC]
조회 11079
Status : | Presented |
---|---|
Date : | 2020-05 |
Title : | A New Hybrid Resource Allocation Scheme in C-V2V Systems |
Authors : | Incheol Hwang, Hyunsoo Kim, Taehyung Kim, and Daesik Hong |
Conference : | IEEE VTC Fall 2020 |
Abstract : | In the centralized mode of the cellular-based vehicleto-vehicle (C-V2V) system, the base station performs resource allocation based on location information from the vehicle user equipments (VUEs). To implement this location-based resource allocation, the base station and VUEs frequently exchange driving information with each other. This causes serious control overhead which includes the signaling that occurs between the base station and VUEs and the computing power needed to perform locationbased resource allocation. In this paper, we propose a new hybrid resource allocation scheme designed to reduce control overhead while satisfying high communication reliability. The proposed scheme is composed of two phases, a centralized phase and a distributed phase. In the centralized phase, the base station performs location-based resource allocation. In the distributed phase, VUEs autonomously select the resource occupied by the VUE in front of them. This procedure fixes the geographical locations of the resources to specific locations and consequently reduces the frequency with which the base station performs resource allocation. Simulation results show that the proposed resource allocation scheme reduces the control overhead of the conventional resource allocation with centralized mode. |
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