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A Low-Complexity Location-Based Hybrid Multiple Access and Relay Selection in V2X Multicast Communications

Published 20 Jan 2022 in cs.IT, eess.SP, and math.IT | (2201.07950v1)

Abstract: This study investigated relay-assisted mode 1 sidelink (SL) multicast transmission, which encounters interference from mode 2 SL transmission, for use in low-latency vehicle-to-everything communications. To accommodate mode 1--mode 2 SL traffic, we use the hybrid multiple access (MA) approach, which combines orthogonal MA (OMA) and nonorthogonal MA (NOMA) schemes. We introduce a low-complexity location-based hybrid MA algorithm and its associated relay selection that can be used when SL channel state information is unavailable.

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Authors (2)

  1. Chun-Yi Wei 
  2. Yung Kai Wang 

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