Resource Allocation Algorithm for V2X communications based on SCMA
Wei Wu, Linglin Kong

TL;DR
This paper introduces a resource allocation algorithm for V2X communications utilizing SCMA, enhancing system throughput and user access compared to traditional OFDMA methods.
Contribution
The paper presents a novel resource allocation algorithm based on SCMA and graph coloring for V2X, improving throughput and user access.
Findings
SCMA outperforms OFDMA in throughput
Proposed algorithm increases system throughput
Algorithm enhances number of access users
Abstract
In this paper, we propose a resource allocation algorithm for V2X communications based on Sparse Code Multiple Access(SCMA). By analyzing the interference model in the V2X scenario, we formulate the problem which deals with resource allocation to maximize the system throughput. A graph color-based user cluster algorithm combined with resource allocation algorithm based on both result of clustering and SINR is presented to solve the problem. The simulation results indicate that the throughput performance of system based on SCMA is superior to which based on OFDMA, and the proposed algorithm can improve the system throughput and the number of access users.
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