NDLI: Hybrid RSSD/AOA cooperative localization for 4G wireless networks with uncooperative emitters

Content Provider	IEEE Xplore Digital Library
Author	Gazzah, L. Najjar, L. Besbes, H.
Copyright Year	2015
Description	Author affiliation: Higher Sch. of Commun. of Tunis, Carthage Univ., Tunis, Tunisia (Gazzah, L.; Najjar, L.; Besbes, H.)
Abstract	This paper considers cooperative localization where the additional information from short-range communication among the mobile stations (MSs) in fourth generation (4G) cellular networks is used in the purpose of improving the localization accuracy. The problem of localization of MS in non-line-of-sight (NLOS) environment with uncooperative emitters is investigated. In our framework, a given MS must be localized, whose transmission is received on 2 base stations (BS) through AOA measurements and on a set of neighbor nodes (MS or anchors) with known positions through RSS (Radio Signal Strength) measurements. Uncooperative transmission implies that the MS transmission power is unknown. Our localization approach is then based on relative RSS measurements denoted as RSSD, combined with AOAs. For NLOS effect mitigation, we first use a selective aspect where only the best 4 RSS are considered. Second, a weighting procedure (in both range and angle) corrects at a certain level the effect of NLOS and allows its mitigation by reducing the set of possible locations of the MS. Using numerical results, we demonstrate the impact of (1) the proposed selective hybrid RSSD/AOA weighting strategy with uncooperative emitters on the accuracy of localization in mixed NLOS/LOS (line-of-sight) environment, (2) the cooperation between MS on the localization accuracy.
Starting Page	874
Ending Page	879
File Size	625896
Page Count	6
File Format	PDF
e-ISBN	9781479953448
DOI	10.1109/IWCMC.2015.7289198
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-24
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Weight measurement cooperative MSs NLOS Standards P2P uncooperative emitters Q measurement angular beam Accuracy range weighting AOA RSSD Position measurement Peer-to-peer computing Mathematical model
Content Type	Text
Resource Type	Article

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