Archive:: International Journal of Sensors and Sensor Networks:: Science Publishing Group

Volume 2, Issue 4, August 2014

Estimation of Errors Caused by Spherical Approximation of Earth Shape in Radio Emitters Position Fixing Process Using Direction Finding

Viacheslav Volodymyrovych Kalugin, Anatoliy Heorhievych Kochergin, Olexandr Volodymyrovych Chebotov

Issue: Volume 2, Issue 4, August 2014

Pages: 31-36

Received: 13 August 2014

Accepted: 13 September 2014

Published: 30 September 2014

DOI: 10.11648/j.ijssn.20140204.11

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Abstract: Accuracy improving of radio emitter position fixing is sufficient in the field of radiomonitoring, communication intelligence, radionavigation and radiogeodesy. This paper represents results of errors estimation in radio emitter position fixing process applying spherical approximation of the Earth surface obtained by means of numerical simulation. ... Show More

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Minimizing Power Consumption through Swinging Power Mode in Wireless Sensor Networks

Harish Kumar, Prashant Singh, Jai Prakash Gupta

Issue: Volume 2, Issue 4, August 2014

Pages: 37-41

Received: 18 October 2014

Accepted: 27 October 2014

Published: 30 October 2014

DOI: 10.11648/j.ijssn.20140204.12

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Abstract: Wireless Sensor Networks have predefined objectives which require them to connect and communicate with other nodes. During communication these nodes transmit and receive data and other control packets. This paper proposes Swing-MAC, a Medium Access Control protocol for energy efficiency designed for wireless sensor networks. It adjusts transmission... Show More

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