نتایج جستجو برای: routing protocol

تعداد نتایج: 287777  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی برق 1385

شبکه های حسگری بی سیم در سالهای اخیر توجه بسیاری از پژوهشگران را به خود جلب کرده است. این شبکه ها با استفاده از یک گیرنده و فرستنده کم توان می توانند داده های جمع آوری شده را برای کاربر بیرونی ارسال کنند. پیش بینی می شود این شبکه ها کیفیت زندگی را در آینده نزدیک بهبود بخشند. برای کاربردهای متداول شبکه های حسگری بی سیم، گره ها باید اندازه کوچکی داشته باشند. اندازه کوچک این گره ها باعث می شود انر...

Vehicular Ad-Hoc Networks (VANETs) is a novel technology that has recently emerged and due to its swift changing topology and high mobility nature, it has become problematic to design an efficient routing protocol in VANETs’ amongst both moving and stationary units. Also, the existing routing algorithms are not very effective to satisfy all requirements of VANETs. This paper explores the need o...

Journal: :CoRR 2013
Gurpreet Singh Saini Ashish Kots Manoj Kumar

This paper lays down a proposal of protocol named DREAM_OLSR. The protocol has been developed so as to effect current OLSR (RFC 3626) [4] protocol. The protocol establishes an optimized solution hence the name has been manipulated from Open Link State Routing to DREAM Optimized Link State Routing. DREAM specifies Distance Routing Effective Algorithm for Mobility wherein it implements the Distan...

2012
Anand Pandya Mrudang Mehta

In the past many years different types of routing protocols, single-path and Multipath, have been designed for wireless sensor network. We have also found various multipath routing protocols available that send similar data to base station via multiple paths to increase reliability. We have found that a new simulation environment Castalia is developed based on OMNET++. They have provided implem...

2011
Ashish K. Maurya Ashish Kumar Dinesh Singh

Mobile Ad hoc NETwork (MANET) is a collection of mobile nodes that are arbitrarily located such that the interconnections between nodes are dynamically changing. In MANET, mobile nodes form a temporary network without using any kind of existing network infrastructure or centralized administration. A routing protocol is used to find routes between mobile nodes to facilitate communication within ...

Mobile Ad Hoc Networks (MANET) can be considered as a class of unstructured networks created by a number of autonomous wireless and sensor nodes. The inherent characteristics of such networks have made specific applications, such as multimedia transfer and challenging. Basically, the functionality of a node and very few resources directly affect the delivery of packets which depends on the ...

Vehicular Ad-Hoc Networks can enhance road safety and enable drivers to avoid different threats. Safety applications, mobile commerce, and other information services are among different available services that are affected by dynamic topology, vehicle’s speed and node misbehaving. Dynamic topology makes the route unstable and unreliable. So, improving the throughput and performance of VANET thr...

Journal: :IEICE Transactions 2014
Hyun-Ho Choi Hyun-Gyu Lee Jung-Ryun Lee

In this letter, we propose an energy-aware source routing protocol for maximizing the network lifetime in mobile ad hoc networks. We define a new routing cost by considering both transmit and receive power consumption and remaining battery level in each node simultaneously and present an efficient route discovery procedure to investigate the proposed routing cost. Intensive simulation verifies ...

2016

Mobile Ad hoc Networks (MANETs) are autonomous mobile node systems connected by wireless links. A node operates as an end system and as a router, to forward packets. MANET routing is challenging and has received tremendous attention from researchers. Dynamic Source Routing (DSR) protocol was accepted as a dominant routing protocol for MANETs. Performance analysis and results show that DSR as an...

2010
Sultan Almotiri Irfan Awan

In this paper, we describe a new authentication service and trust level attached in every packet to make the routing in Mobile Ad Hoc Network secure. Efficient operation of Ad Hoc networks is dependent on maintaining appropriate routing information in a distributed fashion. The routing protocol is vulnerable to attacks from malicious nodes. Therefore, our prime focus is on securing the routing ...

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