Index Coded - NOMA in Vehicular Ad Hoc Networks
Sreelakshmi P., Jesy Pachat, Anjana A. Mahesh, Deepthi P. P., and B., Sundar Rajan

TL;DR
This paper introduces IC-NOMA, a novel approach combining index coding and NOMA to enhance spectral efficiency and reduce transmissions in vehicular ad hoc networks, validated through analytical studies.
Contribution
The paper proposes a new IC-NOMA technique that integrates index coding with NOMA, optimizing spectral efficiency and power savings in VANETs.
Findings
Improved spectral efficiency over conventional index coding.
Reduced number of transmissions with IC-NOMA.
Validated power savings through analytical analysis.
Abstract
The demand for multimedia services is growing day by day in vehicular ad-hoc networks (VANETs), resulting in high spectral usage and network congestion. Non-orthogonal multiple access (NOMA) is a promising wireless communication technique to solve the problems related to spectral efficiency effectively. The index coding (IC) is a powerful method to improve spectral utilization, where a sender aims to satisfy the needs of multiple receivers with a minimum number of transmissions. By combining these two approaches, in this work, we propose a novel technique called index coded NOMA (IC-NOMA), where we apply NOMA techniques on index coded data to reduce the number of transmissions further. This work shows that the IC-NOMA system demands a specific design for index codes to reap the advantages of NOMA. We have done the feasibility analysis of the proposed method in a general scenario and…
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Taxonomy
TopicsAdvanced Wireless Communication Technologies · Cooperative Communication and Network Coding · Vehicular Ad Hoc Networks (VANETs)
