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DRSS_AOA 결합항법을 이용한 전파간섭 신호 위치추정 알고리즘 연구
Study on Interference Localization using DRSS/AOA Integrated Method

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Authors
강창호; 김선영; 양정환; 박찬국
Issue Date
2012-11-09
Publisher
한국위성항법시스템학회
Citation
2012년 한국위성항법시스템학회 정기학술대회, 제주, 2012. 11. 8~9., pp. 103-104
Keywords
DRSS/AOA methodInterference detectionInterference localization
Abstract
In localization techniques, the estimation methods used for source localization are
typically based on received signal strength (RSS), time of arrival (TOA),
time-difference-of-arrival (TDOA), angle-of arrival (AOA), or their combinations. Despite of
lower location accuracy with a small number of nodes in general, differential received signal
strength (DRSS)-based localization is a cost-effective solution with low-complexity. Specifically,
it is attractive because DRSS is readily available in most types of wireless systems, and does not
require accurate knowledge of transmitter such as the transmitted power. In this paper, a hybrid
localization method is proposed to achieve better location accuracy. The proposed localization
scheme combines DRSS from the base stations with the AOA measurement from the reference
stations. Numerical results show that the proposed DRSS/AOA integrated method gives better
location accuracy than AOA only location, when the number of base stations is small.
Language
Korean
URI
http://hdl.handle.net/10371/79296
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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