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Applying A Spectrum Estimation Algorithm for Time Estimating to Determine User Location in UMTS Network
ISSN: 2348 - 2273
Publisher: author
Applying A Spectrum Estimation Algorithm for Time Estimating to Determine User Location in UMTS Network
Indexed in
Technology and Engineering
ARTICLE-FACTOR
1.3
Article Basics Score: 2
Article Transparency Score: 3
Article Operation Score: 2
Article Articles Score: 3
Article Accessibility Score: 3
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International Category Code (ICC):
ICC-1802
Publisher: International Journal Of Electrical Electronics & Computer..
International Journal Address (IAA):
IAA.ZONE/234856862273
eISSN
:
2348 - 2273
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Abstract
Geo-location techniques have recently become more important since Location Aware Wireless Systems are spreading all over the world and Location Based Services have now become a kind of necessity for users. TOA and TDOA are the most useful methods of geo-locating but the resolution of location estimation is dependent on the accuracy of TOA/TDOA estimation of received signals. The accuracy of TOA/TDOA estimation in usual methods such as correlation in different types of propagation environment is not precise enough especially when there is no line of sight signal between transmitter and receiver or the LOS signal is not the strongest received signal compared with the others. Therefore, in these cases it is necessary to find and apply methods to distinguish the LOS signal from other signals and extract the TOA of LOS signal so that reasonable resolution for the estimation process can be achieved. In this paper one of the spectrum estimat...
