A High Capacity Hybrid WDM-MDM-Ro-FSO System Using LG00 and HG00 Modes For Broadband Services in Hospitals
Researchers have been working on next-generation communication systems to meet rising need for high-speed communication as a result of the explosive growth of subscribers each year. Millimeter waves, which operate in the 30 GHz to 300 GHz range, have the potential to be used as a data carrier. However, because to the direct influence on patients' health and severe interference with other medical devices, these radio waves are subjected to rigorous controls in hospital settings, posing a significant challenge to patients. As a result, providing communication/broadband services for transmission of such sensitive biological sensor data at hospital sites is a difficulty for the researchers. Radio over Free Space (Ro-FSO) devices would become an appealing option for delivering millimetre waves via a high-speed free space link. In addition to the wavelength division multiplexing (WDM) scheme, mode division multiplexing (MDM) plays an important role in increasing the capacity of Ro-FSO systems. In this paper, we show how the MDM-WDM system can support four channels, each with a capacity of 10 Gbps, which can be upconverted to 40 GHz through an FSO link and used to provide internet and communication services within the hospital. Furthermore, the proposed system is investigated for different modulation formats such as Non return to zero (NRZ), Compressed spectrum RZ (CSRZ) and Duo-binary RZ (DRZ) in various fog circumstances. It is observed that DRZ surpasses the performance of CSRZ and NRZ due to better spectral efficiency and greater tolerance to nonlinear effects and pulse width broadening.
Article Details
Unique Paper ID: 154843

Publication Volume & Issue: Volume 8, Issue 12

Page(s): 363 - 369
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