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| تعداد مقالات | 10,218 |
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An Efficient Data Collection Algorithm to Estimate Unknown Target Parameter in Wireless Sensor Networks | ||
| Control and Optimization in Applied Mathematics | ||
| دوره 5، شماره 1، فروردین 2020، صفحه 81-101 اصل مقاله (830.57 K) | ||
| نوع مقاله: Applied Article | ||
| شناسه دیجیتال (DOI): 10.30473/coam.2020.50322.1131 | ||
| نویسندگان | ||
| Amir Hosein Mohajerzadeh1؛ Abbas Ali Rezaee* 2؛ Morteza Bigdeli3 | ||
| 1Computer Department, Ferdowsi University of Mashhad, Mashhad, Iran. | ||
| 2Department of Computer Engineering and Information Technology, Payame Noor University, Tehran, Iran. | ||
| 3Electrical Engineering Department, Ferdowsi University of Mashhad, Mashhad, Iran. | ||
| چکیده | ||
| Estimating the target parameter while the prior distribution function is known, and several observations which are provided by the sensor node is the main goal in this paper. In wireless sensor networks (WSN), nodes sense the environment and send data to a sink node called Fusion Center (FC). FC collects data and estimates the observed parameter with user-defined precision. The proposed algorithm increases network lifetime and has an efficient estimation process. For this purpose, the proposed algorithm schedules node’s activity and determines the multihop path between nodes and FC. Simulation and performance analysis demonstrates proposed algorithm fulfills its goals. | ||
| کلیدواژه‌ها | ||
| Estimation؛ Optimization problem؛ Random variable؛ Scheduling؛ Wireless sensor networks | ||
| عنوان مقاله [English] | ||
| زمانبندی ارسال داده بهینه شده و تخمین زننده پارامتر هدف در شبکه‌های حسگر بی‌سیم | ||
| نویسندگان [English] | ||
| امیر حسین مهاجرزاده1؛ عباسعلی رضایی2؛ مرتضی بیگدلی3 | ||
| 1ایران، مشهد، دانشکده کامپیوتر، دانشگاه فردوسی مشهد | ||
| 2ایران، تهران، دانشکده مهندسی کامپیوتر و فناوری اطلاعات، دانشگاه پیام‌نور | ||
| 3ایران، مشهد، دانشکده مهندسی برق، دانشگاه فردوسی مشهد | ||
| چکیده [English] | ||
| در این مقاله تخمین پارامتر هدف با تابع توزیع مشخص با استفاده از مشاهدات گره حسگر انجام می‌شود. در شبکه‌های حسگر گره‌ها داده‌های واقعی را از محیط دریافت و آنها را به یک مرکز ارسال می‌کنند. این مرکز داده‌ها را جمع‌آوری و پارامتر مشاهده شده را با دقت تعریف شده کاربرد تخمین می‌زند. هدف اصلی الگوریتم پیشنهادی افزایش طول عمر شبکه در کنار بهبود کارایی فرایند تخمین است. برای نیل به این هدف الگوریتم پیشنهادی فعالیت گره را زمانبندی کرده و یک مسیر چند پرشی بین گره‌ها و مرکز مشخص می‌کند. نتایج شبیه‌سازی نشان می‌دهد که الگوریتم پیشنهادی، اهداف مورد انتظار را برآورده کرده است. | ||
| کلیدواژه‌ها [English] | ||
| تخمین, مسئله بهینه‌سازی, متغیر تصادفی, زمانبندی, شبکه‌های حسگر بی‌سیم | ||
| مراجع | ||
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