Cost Model of Mode Division Multiplexing Bidirectional Transmission System

Mohamed, Ahmed S. and Udvary, Eszter (2025) Cost Model of Mode Division Multiplexing Bidirectional Transmission System. INFOCOMMUNICATIONS JOURNAL, 17 (3). pp. 30-36. ISSN 2061-2079

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Abstract

This paper presents a cost analysis and performance evaluation of a Mode Division Multiplexing (MDM) system with Power Over Fiber (PWoF) for bidirectional transmission, to support high-capacity data and centralized power distribution in mobile networks. Two configurations are proposed: an unsymmetrical Multicore Fiber (MCF) and a Double Clad Fiber (DCF). The MCF setup features separate data and power transmission cores, reducing inter-core crosstalk, while the DCF setup combines data and power within a single fiber to simplify deployment. A cost model is developed to compare the capital expenditures (CapEx) of each configuration, revealing an estimated cost of 322,000 Euros for the MCF system and 212,000 Euros for the DCF system. Given that MDM technology is still in the research phase, commercially available equipment is limited, contributing to high initial costs. However, similar to Dense Wavelength Division Multiplexing (DWDM), the price of MDM is expected to decline over time as the technology matures. Additionally, both configurations leverage PWoF to centralize power generation at the Central Office (CO), enabling the use of renewable energy sources and supporting sustainable network infrastructure. This study highlights the potential of MDM with PWoF as a cost-effective, environmentally friendly solution for future high-capacity mobile networks.

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