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Energy harvesting techniques and non-orthogonal multiple access for UASNs

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Title Energy harvesting techniques and non-orthogonal multiple access for UASNs
 
Creator Kumar, T N Sreedhar
Goutham, Veerapu
Harigovindan, VP
 
Subject Non-orthogonal multiple access
Underwater acoustic sensor networks (UASN)
Underwater sensor networks (USN)
Piezoelectric transducer
Microbial fuel cell
Energy efficiency
 
Description 80-83
Underwater sensor networks (USNs) play a key role for applications such as underwater defense, underwater imaging,
internet of underwater things, underwater navigation and so on. In USNs, acoustic waves have been referred over the radio
frequency (RF) waves or optical waves to communicate between sensor nodes, buoys, and autonomous underwater vehicles
(AUVs). The acoustic waves in underwater acoustic sensor networks (UASNs) have a much lower bandwidth of up to a few
kHz, resulting in a lower achievable data rate. Generally, the sensor nodes have been deployed on the beds of the oceans. So,
it is very difficult to recharge or replace them, once the batteries of the sensor nodes are drain off. Hence, achievable data
rate and energy efficiency (EE) has to be improved simultaneously in UASNs. In this paper, we have presented different nonorthogonal
multiple access techniques to improve data rate and various energy harvesting techniques proposed for UASNs to
improve the EE.
 
Date 2021-12-28T09:39:09Z
2021-12-28T09:39:09Z
2021-06
 
Type Article
 
Identifier 0975-105X (Online); 0367-8393 (Print)
http://nopr.niscair.res.in/handle/123456789/58757
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJRSP Vol.50(2) [June 2021]