Detection and elimination method for deception jamming based on an antenna array

Shuyan Ni, Jianhua Cui, Naiping Cheng and Yurong Liao

International Journal of Distributed Sensor Networks, 2018, vol. 14, issue 5, 1550147718774466

Abstract: A global positioning system is an important way of locating an aircraft, while deception jamming can affect the positioning accuracy of such navigation. Considering this, a detection and elimination method for deception jamming is proposed based on a specially designed array for the aircraft. The jamming is detected by comparing the double-difference observation of the carrier phases of two different signals to a certain threshold derived according to the measurement errors of the receiver. To estimate the jamming direction with high accuracy, meanwhile considering the feasibility of airborne installation, a novel configurated array combining medium-length baseline with short baseline is designed, and a fast method to solve the integer ambiguity is discussed. After jamming detection, the nulling of the array beam is pointed to the jamming source through the orthogonal vector weighting to suppress jamming. The validity of the method is verified by computer simulations.

Keywords: Deception jamming; antenna array; carrier phase; double difference; integer ambiguity (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:sae:intdis:v:14:y:2018:i:5:p:1550147718774466

DOI: 10.1177/1550147718774466

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