Performance Analysis of Relay-Aided NOMA in Underwater Optical Wireless Communication System under Ocean Turbulence | IEEE Conference Publication | IEEE Xplore

Performance Analysis of Relay-Aided NOMA in Underwater Optical Wireless Communication System under Ocean Turbulence


Abstract:

Non-orthogonal multiple access (NOMA) is a promising technique to improve the spectral efficiency. To exploit the benefits of NOMA in underwater optical wireless communic...Show More

Abstract:

Non-orthogonal multiple access (NOMA) is a promising technique to improve the spectral efficiency. To exploit the benefits of NOMA in underwater optical wireless communication systems (UOWC) sufficiently, this paper considers a relay-aided NOMA network for UOWC. Specifically, a UOWC model including ocean turbulence and solar radiation noise is established. On this basis, the relay selection and user paring of relay-assisted NOMA are modeled as one problem. Additionally, in order to maximize the overall sum rates, we design a stepwise optimization power allocation scheme (SOPA) that takes the primary link and relay link into account simultaneously, the effectiveness of the proposed scheme is strictly evaluated in the relay-aided NOMA UOWC model.
Date of Conference: 13-16 February 2022
Date Added to IEEE Xplore: 11 March 2022
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Conference Location: PyeongChang Kwangwoon_Do, Korea, Republic of

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