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In this paper, we analyze a compact vector sensor receiver using angle of arrival (AoA) framework which was recently proposed by Fauziya et. al. We demonstrate that this receiver performs better than a scalar receiver at no extra computational cost. The receiver exploits the inherent capability of a vector sensor to provide spatial diversity without the use of a sensor array. The paper also discuss...
Underwater acoustic (UWA) communication has always been a challenging area of research where noise arising from impulsive sources is one of the major issues in establishing a reliable communication link. Most communication and signal processing techniques rely on the fact that channel noise is Gaussian distributed. But the impulsive noise samples make the overall noise PDF leptokurtic and restrict...
Underwater communication channel put various kind of challenges like extended delay spread, large Doppler shift and low coherence bandwidth. As a result of which communication at higher data rate becomes difficult, moreover it enhances the complexity in receiver design. Researchers working in this area have suggested many techniques to combat the problems asso-ciated with underwater channel. One of...
Vector sensor has had a very positive impact on the performance of underwater acoustic communication systems. Feasibility of using vector sensor for designing and underwater communication system has been recently demonstrated. In this paper, we propose a novel architecture for single vector transducer based multiple input multiple output underwater communications system. We exploit the ability of...
In this paper, we present a simple yet effective underwater communications receiver that exploits the ability of a vector sensor to measure the non-scalar components of the acoustic field. A single vector sensor based multi-channel receiver outperforms even a scalar sensor array. In this paper, we demonstrate that only a single channel of the vector sensor can be effectively utilized to obtain a computationally...
With the advent of Vector Sensors in underwater communications, it has now become possible to exploit the benefits of MIMO using even a single sensor (vector sensor) as receiver. Recent literature has demonstrated this capability by analyzing the performance of such communication systems [1]. Attempts at obtaining the capacity of such systems have also been made [2]. That analysis however treats low...
Acoustic Vector Sensors (AVS) measure acoustic pressure as well as the acoustic particle velocity to estimate the acoustic intensity. The acoustic intensity, which is a vector quantity, represents the magnitude and direction of the active or propagating part of an acoustic field thus indicating the Direction of Arrival (DOA) of a received signal. This paper concerns with the feasibility of DOA estimation...
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