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J. Low Power Electron. Appl. 2017, 7(4), 30; https://doi.org/10.3390/jlpea7040030

Modified Hermite Pulse-Based Wideband Communication for High-Speed Data Transfer in Wireless Sensor Applications

Department of Electrical and Computer Engineering, University of Alabama at Birmingham (UAB), Birmingham, AL 35294, USA
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Received: 2 October 2017 / Revised: 20 November 2017 / Accepted: 28 November 2017 / Published: 1 December 2017
(This article belongs to the Special Issue Low-Power Electronic Circuits for Monolithic Smart Wireless Sensors)
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Abstract

With technological advances in the field of communication, the need for reliable high-speed data transfer is increasing. The deployment of large number of wireless sensors for remote monitoring and control and streaming of high definition video, voice and image data, etc. are imposing a challenge to the existing network bandwidth allocation for reliable communication. Two novel schemes for ultra-wide band (UWB) communication technology have been proposed in this paper with the key objective of intensifying the data rate by taking advantage of the orthogonal properties of the modified Hermite pulse (MHP). In the first scheme, a composite pulse is transmitted and in the second scheme, a sequence of multi-order orthogonal pulses is transmitted in the place of a single UWB pulse. The MHP pulses exhibit a mutually orthogonal property between different ordered pulses and due to this property, simultaneous transmission is achieved without collision in the UWB system, resulting in an increase in transmission capacity or improved bit error rate. The proposed schemes for enhanced data rate will offer high volume data monitoring, assessment, and control of wireless devices without overburdening the network bandwidth and pave the way for new platforms for future high-speed wireless sensor applications. View Full-Text
Keywords: UWB; modified hermite pulse; orthogonal pulse; correlation; bit error rate UWB; modified hermite pulse; orthogonal pulse; correlation; bit error rate
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Pradhan, K.P.; Li, Y.-G.; Arifuzzman, A.K.M.; Haider, M.R. Modified Hermite Pulse-Based Wideband Communication for High-Speed Data Transfer in Wireless Sensor Applications. J. Low Power Electron. Appl. 2017, 7, 30.

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