This paper investigates achievable rates of a multi- user mode-division multiplexing (MDM) system using orbital angular momentum (OAM), where multiple transceivers exploit the same OAM modes. In general, multiple independent signals with different OAM modes are mutually orthogonal between perfectly aligned transmitter and receiver antennas, but the OAM signals among multiple users may interfere with each other. Note that we analyze the achievable rate of multi-user MDM system that utilizes the microwave OAM for the first time. Through extensive computer simulations, we analyze the achievable rate of the multi-user OAM-MDM system by considering the multi-user interference. It is worth noting that the communication scenario we consider in this paper has not been investigated in literature so far.
Achievable Rate of Multi-User Mode-Division Multiplexing Using Orbital Angular Momentum
2019-09-01
158380 byte
Conference paper
Electronic Resource
English
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