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    Performance Comparison Among Reactive And Proactive Routing Protocols in Vehicular Networks with Low Vehicular Density

    مقارنة أداء بروتوكولات التوجيه الاستباقية و التفاعلية في شبكات العربات ذات الكثافة المنخفضة

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     Added by Tishreen University ورقة بحثية
     Publication date 2015
    and research's language is العربية
     Created by Shamra Editor


    ‎Shamra Academia - شمرا أكاديميا‎


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    Abstract in Arabic Abstract in English

    Vehicular Ad Hoc Network (VANET) is a form of Mobile Ad Hoc Networks, but the nodes of this network are vehicles with special equipment to enable them to communicate with each other. These networks need to implement protocols to ensure that messages are reached to their destinations and achieve the desired goal of the application. In this paper, we present an analysis of the performance of a number of major routing protocols used in these networks which protocols AODV (Ad hoc On-Demand Distance Vector), DSR (Dynamic Source Routing), and OLSR (Optimized link state routing). This analysis is based on various parameters such as packet delivery ratio and end-to-end delay, in order to find the best protocol can be used in the network with low density. To achieve this purpose, we used a simulator OPNET_17.5. Depending on the simulation results we have obtained and the analysis and comparison of these protocols at different low density contract .We found that the protocol AODV is the best among the studied protocols under the conditions set out in this study.

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    Research summary
    تتناول هذه الدراسة تحليل أداء بروتوكولات التوجيه المختلفة في شبكات العربات ذات الكثافة المنخفضة، وهي نوع من الشبكات اللاسلكية المتنقلة (VANET). يتم التركيز على ثلاثة بروتوكولات رئيسية: AODV (Ad hoc On-Demand Distance Vector)، DSR (Dynamic Source Routing)، وOLSR (Optimized Link State Routing). الهدف من الدراسة هو تحديد البروتوكول الأمثل للاستخدام في شبكات العربات ذات الكثافة المنخفضة من حيث معدل تسليم الرزم والتأخير الزمني من البداية إلى النهاية. تم استخدام المحاكي OPNET_17.5 لإجراء المحاكاة وتحليل النتائج. أظهرت النتائج أن بروتوكول AODV هو الأفضل من بين البروتوكولات المدروسة في ظل الشروط المحددة، حيث يقدم أداءً متفوقًا من حيث التأخير الزمني ومعدل تسليم الرزم. توصي الدراسة باستخدام بروتوكول AODV كاستراتيجية توجيه موثوقة في البيئات ذات الكثافة المنخفضة للعربات، خاصة في التطبيقات التي تتطلب تأخيرًا زمنيًا منخفضًا.
    Critical review
    دراسة نقدية: على الرغم من أن الدراسة تقدم تحليلًا شاملاً لأداء بروتوكولات التوجيه في شبكات العربات ذات الكثافة المنخفضة، إلا أن هناك بعض النقاط التي يمكن تحسينها. أولاً، الدراسة تعتمد بشكل كبير على المحاكاة باستخدام برنامج OPNET_17.5، وهو ما قد لا يعكس تمامًا الأداء الفعلي للبروتوكولات في بيئات حقيقية. ثانياً، تم التركيز على عدد محدود من البروتوكولات، وكان من الممكن توسيع الدراسة لتشمل بروتوكولات أخرى قد تكون أكثر فعالية في بعض السيناريوهات. ثالثاً، لم يتم التطرق بشكل كافٍ إلى تأثير العوامل البيئية مثل الطقس والتضاريس على أداء البروتوكولات، وهو ما يمكن أن يكون له تأثير كبير في البيئات الحقيقية. وأخيرًا، كان من الممكن تقديم توصيات أكثر تفصيلية حول كيفية تحسين أداء البروتوكولات المدروسة بناءً على النتائج المستخلصة.
    Questions related to the research
    1. ما هو الهدف الرئيسي من الدراسة؟

      الهدف الرئيسي من الدراسة هو تحديد البروتوكول الأمثل للاستخدام في شبكات العربات ذات الكثافة المنخفضة من حيث معدل تسليم الرزم والتأخير الزمني من البداية إلى النهاية.

    2. ما هي البروتوكولات التي تم تحليلها في الدراسة؟

      تم تحليل ثلاثة بروتوكولات رئيسية في الدراسة: AODV، DSR، وOLSR.

    3. ما هو المحاكي الذي تم استخدامه لإجراء المحاكاة وتحليل النتائج؟

      تم استخدام المحاكي OPNET_17.5 لإجراء المحاكاة وتحليل النتائج.

    4. ما هي التوصية الرئيسية التي توصلت إليها الدراسة؟

      توصي الدراسة باستخدام بروتوكول AODV كاستراتيجية توجيه موثوقة في البيئات ذات الكثافة المنخفضة للعربات، خاصة في التطبيقات التي تتطلب تأخيرًا زمنيًا منخفضًا.

    Keywords
    شبكات العربات بروتوكولات التوجيه كثافة العقد AODV DSR OLSR محاكاة الشبكات
    References used
    SHARMA, Y. and MUKHERJEE, S. Routing Protocol in VANET. International Journal of Computer Applications . Vol. 50, No.21, July 2012
    SI-HO, C. and MIN-WOO, R. A Survey of Greedy Routing Protocols for Vehicular Ad Hoc Networks. Smart Computing Review. vol.2, No.2, April 2012
    SAINI, P. and BHAGCHANDANI, K . Modern Investigation of Issues and Ad-Hoc Routing Protocols Applied To VANET. International Journal of Engineering and Advanced Technology (IJEAT), Vol.2, No.2, December 2012, 2249 – 8958
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