$\mathcal {f}$ fading; Channel capacity; Energy efficienc; Energy efficiency; Ergodic capacity; Fading channels; Fadings channels; Fisher-snedecor
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Grant support

This work was supported in part by the Project PRESECREL under Grant PID2021-124502OB-C43, and in part by the Ministerio de Ciencia e Investigacion (Spain), in relation to the Plan Estatal de Investigacion Cientifica y Tecnica y de Innovacion 2017-2020.

Analysis of institutional authors

Martin De Andres, DiegoAuthorMartin DAuthorMartin, DiegoCorresponding Author

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June 24, 2024
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Performance Analysis of RIS/STAR-IOS-Aided V2V NOMA/OMA Communications Over Composite Fading Channels

Publicated to:Ieee Transactions On Intelligent Vehicles. 9 (1): 279-286 - 2024-01-01 9(1), DOI: 10.1109/TIV.2023.3337898

Authors: Ghadi, FR; Kaveh, M; Martín, D

Affiliations

Aalto Univ, Dept Informat & Commun Engn, Espoo 02150, Finland - Author
UCL, Dept Elect & Elect Engn, London WC1E 6BT, England - Author
Univ Politecn Madrid, ETSI Telecomunicac, Madrid 28040, Spain - Author

Abstract

In this article, we explore the communication performance of vehicle-to-vehicle (V2V) networks assisted by a reconfigurable intelligent surface (RIS) and a simultaneous transmitting and reflecting intelligent omni-surface (STAR-IOS) under non-orthogonal multiple access (NOMA) and orthogonal multiple access (OMA) schemes. In particular, we consider that the RIS is close to the transmitter vehicle while the STAR-IOS is near the receiver vehicles. In addition, it is assumed that the STAR-IOS exploits the energy-splitting (ES) protocol for communication and the fading channels between the RIS and STAR-IOS follow composite Fisher-Snedecor F distribution. Under such assumptions, we first use the central limit theorem (CLT) to derive the PDF and the CDF of equivalent channels at receiver vehicles, and then, we derive the closed-form expression of outage probability (OP) under NOMA/OMA scenarios. Additionally, by exploiting Jensen's inequality, we propose an upper bound of the ergodic capacity (EC) and subsequently develop an analytical expression of the energy efficiency (EE) for both NOMA and OMA cases. Further, our analytical results, which are double-checked with the Monte-Carlo simulation, reveal that applying RIS/STAR-RIS in V2V communications significantly enhances the communication performance of intelligent transportation systems (ITS). Besides, the results indicate that considering the NOMA scheme provides better performance in terms of the OP, EC, and EE as compared with theOMAcase for the considered V2V communication system.

Keywords

> <tex-math notation="latex">$\mathcal {f}$</tex-math> </inline-formula> fadingChannel capacityEnergy efficiencEnergy efficiencyErgodic capacityFading channelsFadings channelsFisher-snedecor <inline-formula xmlns:ali="Fisher-snedecor f fadingIntelligent systemsLatexesMonte carlo methodsMultiple accessNetworksNomaNon-orthogonalNon-orthogonal multiple accessOutage probabilityReceiverReceiversReconfigurableReconfigurable intelligent surfaceRelaResource managementRisSecrecy performanceSignal receiversSignal to noise ratioSimultaneous transmitting and reflecting intelligent omni-surfaceStar-iosStarsTransmittersV2v communicationsVehicle to vehicle communicationsVehicle-to-everythingVehiclesXmlns:mml="Xmlns:xlink="Xmlns:xsi="

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Ieee Transactions On Intelligent Vehicles due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 2/72, thus managing to position itself as a Q1 (Primer Cuartil), in the category Computer Science, Artificial Intelligence. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 15.96, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-16, the following number of citations:

  • WoS: 12
  • Scopus: 24
  • Google Scholar: 10

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-16:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 8.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 11 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 0.25.
  • The number of mentions on the social network X (formerly Twitter): 1 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Finland; United Kingdom.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: Last Author (MARTÍN MARTÍN, DIEGO).

the author responsible for correspondence tasks has been MARTÍN MARTÍN, DIEGO.