Abstract
Routing Protocol in Underwater Wireless Acoustic Communication Using Non Orthogonal Multiple Access
Highlights
The broadcast channel description of single source communicating to several receivers are challenging in wireless communication
Connecting several sensors to sink based on its depth region of deployment has been achieved using Underwater Sensor Transmission with Attenuation Calculation using Non Orthogonal Multiple Access (UWSTACNOMA)
The limitation is the channel gain difference that occurs among communicating sensors should be subsequently high to provision simultaneous transmissions in NOMA
Summary
The broadcast channel description of single source communicating to several receivers are challenging in wireless communication. The receiver section uses Successive Interference Cancellation (SIC) where individual user signals are successively decoded. Improving the throughput via simultaneous transmissions at the receiver using SIC (Successive Interference Cancellation) incorporates spatial and temporal estimates. The protocol developed in this work does not estimate the channel capacity but uses simultaneous transmission of underwater sensors increasing the data transfer rate. The main contribution to this work is that the Non Orthogonal Multiple Access (NOMA) has been incorporated in underwater sensor nodes. The limitation is the channel gain difference that occurs among communicating sensors should be subsequently high to provision simultaneous transmissions in NOMA. The numerical estimates provide appropriate transmit power to be assigned in simulation to increase transmission time from sensors to sink.
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