دانلود مقاله ISI انگلیسی شماره 70473
عنوان فارسی مقاله

محلی سازی بر اساس انگشت نگاری در شبکه های بی سیم ناهمگن

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
70473 2014 10 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
Fingerprinting based localization in heterogeneous wireless networks
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Expert Systems with Applications, Volume 41, Issue 15, 1 November 2014, Pages 6738–6747

کلمات کلیدی
انگشت نگاری محل؛ WLAN؛ GSM / UMTS؛ شبکه های بی سیم ناهمگن؛ محلی سازی تعاونی
پیش نمایش مقاله
پیش نمایش مقاله محلی سازی بر اساس انگشت نگاری در شبکه های بی سیم ناهمگن

چکیده انگلیسی

Due to advances in mobile technology, context-aware applications are continuously growing in importance; therefore, the ability of developing accurate and reliable localization system has become a necessity. Since methods based on received signal strength (RSS) fingerprints are today widely adopted and most of mobile devices comprise different wireless access technologies, it is feasible to use fingerprints from heterogeneous wireless networks (HWN) for localization purposes. In this paper we propose a novel approach for localization based on searching the area which best matches the test RSS fingerprint. We evaluated the proposed method in realistic environment in WLAN, GSM and UMTS networks, and compared it with other commonly used approaches. The results showed that our method compares favorably to others, and practically always achieves the lowest localization error. We also extended the proposed system using a model of cooperative positioning by combining the estimates obtained in the heterogeneous wireless network. The obtained results showed that with combined location estimate, significant improvement over any single system was achieved.

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