Time Multiplexed Optical-OFDMA for Uplink Transmission in LiFi-based IoT Networks
Md. Jahid Hasan,
Oussama Haddad,
Ikenna Chinazaekpere Ijeh
et al.
Abstract:The transfer of data from multiple internet of things (IoT) devices requires the use of a robust and efficient multiple access (MA) solution. This paper considers the orthogonal frequency division MA (OFDMA) technique for the light-fidelity (LiFi)-based IoT uplink using infrared to transmit data from multiple mobile users to a fixed access point. The conventional schemes based on orthogonal frequency allocate distinct subcarriers to each user sharing the same time slot. We consider a new approach by allocating… Show more
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