Cost Benefit Analysis: Evaluation among the Millimetre Wavebands and SHF Bands of Small Cell 5G Networks
This article discusses the benefit cost analysis aspects of millimetre wavebands (mmWaves) and Super High Frequency (SHF). The devaluation along the distance of the carrier-to-noise-plus-interference ratio with the coverage distance is assessed by considering two different path loss models, the two-slope urban micro Line-of-Sight (UMiLoS) for the SHF band and the modified Friis propagation model, for frequencies above 24 GHz. The equivalent supported throughput is estimated at the 5.62, 28, 38, 60 and 73 GHz frequency bands and the influence of carrier-to-noise-plus-interference ratio in the radio and network optimization process is explored. Mostly owing to the lessening caused by the behaviour of the two-slope propagation model for SHF band, the supported throughput at this band is higher than at the millimetre wavebands only for the longest cell lengths. The benefit cost analysis of these pico-cellular networks was analysed for regular cellular topologies, by considering the unlicensed spectrum. For shortest distances, we can distinguish an optimal of the revenue in percentage terms for values of the cell length, R ≈ 10 m for the millimeter wavebands and for longest distances an optimal of the revenue can be observed at R ≈ 550 m for the 5.62 GHz. It is possible to observe that, for the 5.62 GHz band, the profit is slightly inferior than for millimetre wavebands, for the shortest Rs, and starts to increase for cell lengths approximately equal to the ratio between the break-point distance and the co-channel reuse factor, achieving a maximum for values of R approximately equal to 550 m.Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 613
 E. Teixeira and F. J. Velez, "Cost/Revenue Trade-Off of Small Cell Networks in the Millimetre Wavebands," in Proc. of IEEE 87th Vehicular Technology Conference: VTC2018-Spring 2018, Porto, Portugal, 3-6 June 2018.
 H. Xia, H. L. Bertoni, L. R. Maciel, A. Lindsay-Stewart and R. Rowe, “Radio propagation characteristics for line-of-sight microcellular and personal communications,” IEEE Transactions on Antennas and Propagation, vol. 41, no. 10, pp. 1439-1447, Oct. 1993.
 3GPP, “3GPP TR 21.915, ”technical specification group services and system aspects; release 15 description; summary of Rel-15 work items (release15)”, https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3389,accessed:2019-03-11.
 3GPP, TS 36.212, V11.3.0. Technical Speciﬁcation Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Multiplexing and channel coding, 3GPP Std., June 2013.
 C.-P. Li, J. Jiang, W. Chen, T. Jee and J. Smee, “5G ultra-reliable and low-latency systems design,” in Proc. of 2017 European Conference on Networks and Communications (EuCNC), June 2017, pp. 1–5.
 3GPP, “5G; NR; Physical layer; General description (3GPP TS 38.201 version 15.0.0 Release 15)”. Available online: https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3211, acessed: 2019-25-04.
 S. Min and H. L. Bertoni, “Effect of path loss model on CDMA system design for highway microcells,” in Proc. of IEEE 48th IEEE Vehicular Technology Conference, VTC' 98, Pathway to Global Wireless Revolution, Ottawa, Ontario, Canada, 1998, pp. 1009-1013, vol.2.
 T.S. Rappaport, S. Sun, R. Mayzus, H. Zhao, Y. Azar, K. Wang, G. N. Wong, J. K. Schulz, M. Samimi and F. Gutierrez, “Millimeter Wave Mobile Communications for 5G Cellular: It Will Work!” IEEE Access, vol. 1. no., pp. 335-349, 2013.
 M. K. Samimi, T. S. Rappaport, and G. R. MacCartney, “Probabilistic omnidirectional path loss models for millimeter-wave outdoor communications,” IEEE Wireless Communications Letters, vol. 4, no. 4, Aug. 2015, pp. 357-360.
 R. Prasad and F. J. Velez, WiMAX Networks: Techno-economic Vision and Challenges, Springer, Dordrecht, The Netherlands, 2010.
 F. J. Velez, L. M. Correia and J. M. Brázio, “Frequency Reuse and System Capacity in Mobile Broadband Systems: Comparison between the 40 and 60 GHz Bands,” Wireless Personal Communications, vol.19, no. 1, Aug. 2001, pp.1-24.
 F. J. Velez, O. Cabral, F. Merca and V. Vasiliou, “Service characterization for cost/benefit optimization of enhanced UMTS,” Telecommunication Systems,” Springer, vol. 50, no. 1, Apr. 2012, pp. 31-45.
 Senza Consulting, “Report The economics of small cells and Wi-Fi offload”. (2019, April).
[Online]. Available: https://docplayer.net/9842331-Report-the-economics-of-small-cells-and-wi-fi-offload-the-economics-of-small-cells-and-wi-fi-offload-by-monica-paolini-senza-consulting.html.
 E. Teixeira, F. J. Velez and J. M. Peha, "Economic Trade-off of Small Cell Networks: Comparison between the Millimetre Wavebands and UHF/SHF