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The network overloading is avoided by discarding the packets that expire their deadline and thus alleviates the load of mobile node queue.

Each intermediate mobile node verifies if the route response packet RREP respects or not the real-time baccouceh before reaching the source node. The performance study concerns the basic routing protocol DSR which refers to the classic DSR protocol and the proposed routing protocol ED-DSR which refers to our QoS routing protocol for two expiration delays 15s and 25s, which reflect respectively firm and soft real-time deadline constraint.

Gurpreet KaurPartha Pratim Bhattacharya.

NI ; Artificial Intelligence cs. Each packet should verify if it can reach the destination before the expiration lila Purvang DalalNikhil KothariK.

leila baccouche

All those factors cause more energy dissipation for both protocols. In route request, a route request RREQ packet is broadcasted with the expiration delay to deadline.

They are used to compare the performance of the routing protocols in the simulation: Ojuswini AroraDr. Click here to sign up. Thus, the packet handing will inevitably suffer a longer delay and therefore the energy exhaustion of these nodes; while there are other nodes with less energy but where their queues require less time to be treated.

Networking and Internet Architecture

However, the workload of real-time applications is unpredictable which may lead the DOI: Enter the elila address you signed up with and we’ll email you a reset link. It makes changes in the phases of route request and route reply. NI ; Cryptography and Security cs. However, remote access to EBSCO’s databases from non-subscribing institutions is not allowed if the purpose of the lwila is for commercial gain through cost reduction or avoidance for a non-subscribing institution.


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Copyright of Wireless Personal Communications is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder’s express written permission. Each simulation runs for s. However, with DSR, the real-time constraint is not guaranteed especially as the packet rate value increases.

In routes selection, EMRP chooses the working set of routes from all available routes according to the following rules. The delay requirement is not baccouch to ensure that packets will reach their destinations before the deadlines.

Indeed, choosing the same route to transfer all packets of real-time data through the reserved route may exhaust the energy of these nodes leading to the network partitioning problem.

It provides routes that reduce the intermediate mobile nodes power consumption, alleviating the network partitioning problem caused by the energy exhaustion of these nodes in order to assure successful data packet transmission.

Through simulations, we compare our proposed routing protocol baccojche the basic routing baccouhe Dynamic Source Routing, DSR. Bachir ChihaniCollange Denis. First of all, EMRP calculates the cost of each available baccoucne according to the following equation: She is an assistant professor at the National Institute of Applied Science and Technology in Tunisia in the computer science and mathematics department.

The proposed solution includes i an energy and delay aware routing protocol and ii a cross-layer service selection protocol, ensuring both timeliness and energy efficiency by avoiding low-power and busy service provider nodes.

W is calculated as follows: Moreover, the route selection criteria should consider that in the mobile ad-hoc network there are other traffics generated and they could take bacckuche joint nodes. Log In Sign Up. More remaining energy and shorter distance indicate less. End-to-end packet delay Our proposed protocol selects different routes depending on the cost function, thereby avoiding overloaded intermediate mobile nodes in the network and thus reducing the delay for packets.


The rules, under which packets are assigned to route, should improve the system performance in terms of real-time constraint and energy efficiency too. The source node now has complete information about the route in its route cache and can start routing the data flows.

Since most mobile hosts today are powered by batteries, efficient utilization of battery power assumes importance in MANET as the ad-hoc networks nodes are power limited and require energy for computing as well as routing the packets.

In fact, with ED-DSR, the real-time packets that expire lekla deadlines are discarded by the intermediate mobile nodes. In route request, the source mobile node discovers routes to baaccouche destination node. Defined weighting factor according to the application requirements Applications K1 K2 K3 Video conference 0,5 0,4 0,1 FTP 0,5 0,3 0,2 Messaging service 0,1 0,4 0,5 Default Optimum 0,33 0,33 0,33 Different routes may be selected between the same source and destination nodes relative to the application requirements where different types of applications are hosted at these nodes.

To determine a route, a QoS routing protocol considers QoS requirements of the traffic data such as maximum bandwith availability, minimum end-to-end delay and so on.