روش پیشنهادی برای بهبود عملکرد سامانه DAS مبتنی بر فناوری کوانتومی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، دانشگاه صنعتی مالک اشتر،تهران، ایران

2 دانشیار،دانشگاه امام حسین (ع)، تهران، ایران

چکیده

تب زنی باانگیزه شنود از فیبر نوری همواره مورد توجه بخش‌های مختلف جنگ الکترونیک و سایبری بخش دفاعی و امنیتی بوده و خواهد بود. تلاش‌های زیادی تاکنون در سطح جهانی برای مانیتورینگ عملکرد لینک ارتباط فیبر نوری انجام شده است که حاصل آنها را می‌توان در قالب فناوری‌های DAS و OTDR بیان نمود. متأسفانه هر دو روش در مقابل تکنیک‌های پیشرفته تب زنی و شنود، ناتوان می‌باشند به عبارتی قادر به تشخیص سامانه‌های شنود از فیبر نوری نیستند. در این مقاله از خواص فناوری کوانتوم در حوزه توزیع کلید کوانتومی برای بهبود عملکرد DAS بهره گرفته می‌شود و الگوریتمی پیشنهاد می‌گردد که قادر است علاوه بر مانیتورینگ تلفات در مسیر لینک ارتباط فیبر نوری، سامانه شنود از فیبر را بادقت بالایی شناسایی و محل آن را مشخص می‌نماید. نتایج حاصل از الگوریتم پیشنهادی حاکی از این است که این الگوریتم قادر است بادقت 98 درصد وجود سامانه شنود را تشخیص، بادقت بالای 70 درصد تشخیص نفر در شعاع 2 متری، بادقت بالای 72 درصد تشخیص موتورسیکلت در شعاع 20 متری، بادقت بالای 75 درصد تشخیص خودرو سبک در شعاع 120 متری و بادقت بالای 76 درصد تشخیص خودرو سنگین در شعاع 180 متری فیبر نوری را انجام دهد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

DAS system performance improvement algorithm based on quantum technology

نویسندگان [English]

  • Ali soleimani 1
  • Ali naseri 2
1 PhD student, Malek Ashtar University of Technology, Tehran, Iran
2 Associate Professor, Imam Hossein ، University, Tehran, Iran
چکیده [English]

Fiber optic eavesdropping has always been and will be the focus of various sectors of electronic and cyber warfare in the defense and security sector. So far, many efforts have been made at the global level to monitor the performance of the fiber optic communication link, the results of which can be expressed in the form of DAS and OTDR technologies. Unfortunately, both methods are unable to distinguish the listening systems from the fiberoptics in front of the advanced fever and listening techniques.In this article, the properties of quantum technology in the field of quantum key distribution are used to improve the performance of DAS, and an algorithm is proposed that is capable of detecting the fiber listening system with high accuracy in addition to monitoring the losses in the optical fiber communication link. specifies The results of the proposed algorithm indicate that this algorithm is able to detect the presence of a listening device with 98% accuracy, detect people within a radius of 2 meters with an accuracy of over 70%, and detect a motorcycle within a radius of 20 meters with an accuracy of over 72%. More than 75% of light vehicle detection in a radius of 120 meters and more than 76% accuracy of heavy vehicle detection in a radius of 180 meters of optical fiber.

Keywords: Tapping , DAS, OTDR, VOTDR, ,Quantum key, QKD DV, QKD CV

کلیدواژه‌ها [English]

  • Keywords: Tapping
  • DAS
  • OTDR
  • VOTDR
  • Quantum key
  • QKD DV
  • QKD CV

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