Page 283 - Kaleidoscope Academic Conference Proceedings 2024
P. 283
Innovation and Digital Transformation for a Sustainable World
4. CONCLUSIONS [7] Y. Yang, Y. Hu, and M. C. Gursoy, “Energy
Efficiency of RIS-Assisted NOMA-Based MEC
In this work a qualitative analysis of the AF relaying V2V Networks in the Finite Blocklength Regime,” IEEE
NOMA model and STAR-RIS assisted V2V NOMA model Transactions on Communications, pp. 1–1, 2023,
is done. The closed form expressions for the achievable rate doi: 10.1109/tcomm.2023.3334811..
and throughput were calculated, the simulation was carried
at both low and high-power levels to validate the [8] C. Pan, H. Ren, K. Wang, W. Xu, M. Elkashlan, A.
effectiveness of the model. Both these system model have Nallanathan, and L. Hanzo, “Multicell MIMO
comparable achievable rate, sum rate and throughput at low communications relying on intelligent reflecting
SNR values, but at high SNR values the STAR-RIS surfaces,” IEEE Transactions on Wireless
outperforms the AF relay, the RIS have the spatial diversity Communications, vol. 19, no. 8, pp. 5218–5233,
and beamforming abilities which makes it more efficient 2020.
then the later. The RIS has many elements to compensate the
channel gain which makes it better performer in deep fade [9] M. Cui, G. Zhang, and R. Zhang, “Secure wireless
frequency flat channels. In order to beat the AF relaying at communication via intelligent reflecting surface,”
low SNR the number of elements in the RIS needs to be IEEE Wireless Communications Letters, vol. 8, no.
increased and this may lead to an increase in the size of 5, pp. 1410–1414, 2019.
intelligent surface.
[10] P. Wang, J. Fang, X. Yuan, Z. Chen, and H. Li,
REFERENCES “Intelligent reflecting surface-assisted millimeter
wave communications: Joint active and passive
[1] S. Jia, X. Yuan, and Y.-C. Liang, “Reconfigurable precoding design,” IEEE Transactions on Vehicular
Intelligent Surfaces for Energy Efficiency in D2D Technology, pp. 1–1, 2020.
Communication Network,” IEEE Wireless
Communications Letters, vol. 10, no. 3, pp. 683– [11] X. Yue, J. Xie, Y. Liu, Z. Han, R. Liu and Z. Ding,
687, Mar. 2021, doi: 10.1109/lwc.2020.3046358. "Simultaneously Transmitting and Reflecting
Reconfigurable Intelligent Surface Assisted
[2] M. Di Renzo et al., “Smart Radio Environments NOMA Networks," in IEEE Transactions on
Empowered by Reconfigurable Intelligent Wireless Communications, vol. 22, no. 1, pp. 189-
Surfaces: How It Works, State of Research, and The 204, Jan. 2023, doi: 10.1109/TWC.2022.3192211
Road Ahead,” IEEE Journal on Selected Areas in
Communications, vol. 38, no. 11, pp. 2450–2525, [12] C. Huang, A. Zappone, G. C. Alexandropoulos, M.
Nov. 2020, doi: 10.1109/jsac.2020.3007211. Debbah, and C. Yuen, “Reconfigurable intelligent
surfaces for energy efficiency in wireless
[3] W. Tang et al., “Wireless Communications with communication,” IEEE Transactions on Wireless
Reconfigurable Intelligent Surface: Path Loss Communications, vol. 18, no. 8, pp. 4157–4170,
Modeling and Experimental Measurement,” IEEE 2019.
Transactions on Wireless Communications, vol. 20,
no. 1, pp. 421–439, Jan. 2021, doi: [13] E. Bj ¨ornson and L. Sanguinetti, “Power scaling
10.1109/twc.2020.3024887. laws and near-field behaviors of massive mimo and
intelligent reflecting surfaces,” arXiv preprint
[4] Y. Liu et al., “Reconfigurable Intelligent Surfaces: arXiv:2002.04960, 2020.
Principles and Opportunities,” IEEE
Communications Surveys & Tutorials, vol. 23, no. [14] Z. Wang, L. Liu, and S. Cui, “Channel estimation
3, pp. 1546–1577, 2021, doi: for intelligent reflecting surface assisted multiuser
10.1109/comst.2021.3077737. communications,” in proceedings of the 2020 IEEE
Wireless Communications and Networking
[5] K. Min and M. Jung, “A power method-based user Conference (WCNC), F, IEEE, Seoul, Korea, 2020
selection for reconfigurable intelligent surface
(RIS) assisted multiuser massive MISO systems,” [15] L. Bariah, S. Muhaidat, P. C. Sofotasios, and S. W.
ICT Express, vol. 9, no. 5, pp. 783–788, Oct. 2023, H Gurugopinath, “Non-orthogonal multiple access
doi: 10.1016/j.icte.2022.08.002. in the presence of additive generalized Gaussian
noise,” IEEE Communications Letters, vol. 24, no.
[6] Q. Wu and R. Zhang, “Intelligent reflecting surface 10, pp. 2137–2141, 2020
enhanced wireless network via joint active and
passive beamforming,” IEEE Transactions on [16] K. Higuchi and A. Benjebbour, “Non-orthogonal
Wireless Communications, vol. 18, no. 11, pp. multiple access (NOMA) with successive
5394–5409, 2019. interference cancellation for future radio access,”
IEICE - Transactions on Communications, vol.
E98.B, no. 3, pp. 403–414, 2015.
– 239 –