Cognitive Radio Networks (CRNs) is mainly resulting to trim down the drawbacks of current unbalanced and inefficient spectrum utilization on licensed spectrum bands. Routing is one of the most important and fundamental mechanism in the cognitive radio networks. To overcome the limitations of existing routing mechanism, many researchers develop a routing framework which is based on Semi Structur...

Structured P2P (DHT) networks based on consistent hashing functions have an inherent load balancing problem. The problem becomes more severe due to the heterogeneity of network nodes and the non-uniform and time-varying file popularity. Existing DHT load balancing algorithms are mainly focused on the issues caused by node heterogeneity. To deal with skewed lookups, this paper presents an elasti...

Wireless power transfer via magnetic resonance coupling offers the prospect of autonomously charging connected devices. Previous work demonstrated that system deployment can be facilitated by “routing” on 2-D relay resonator arrays, using multi-hop phenomenon. Power propagates through untethered resonators in such systems, and routing strategy significantly affects efficiency. However, most pre...

mobile-ad-hoc-networks (manets) are self-configuring networks of mobile nodes, which communicate through wireless links. the infrastructure of a mobile ad hoc network (manet) has no routers for routing, and all nodes must share the same routing protocol to assist each other when transmitting messages. the main issues in manets include the mobility of the network nodes, the scarcity of computati...

Location-Routing Problem (LRP) can model several life situations. In this paper we study The Capacitated Location Routing Problem (CLRP) which is defined as a combination of two problems: the Facility Location Problem (FLP) and the Vehicle Routing problem (VRP). We propose a twophase approach to solve the CLRP. The approach is based on Simulated Annealing algorithm (SA) and Ant Colony System (A...

The aim of this thesis is to propose an algorithmic approach, which allows to treat the problems of adaptive routing (AR) in telecommunication networks with irregular traffic. The analysis of the existing approaches has lead us to base our work on the Q-Routing (QR) algorithm. This algorithm uses a reinforcement learning technique which is based on Markov models. The efficiency of these routing...

Energy efficiency and mobility robustness are two of the main performance metrics to be addressed when designing any routing protocol for underwater sensor network (UWSN). Energy efficiency leads to a prolonged network life time, while mobility robustness ensures high and stable delivery ratio. Most of the routing strategies designed for UWSN require a full knowledge of the three dimensional lo...

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 ...

Recently, wireless sensor network (WSN) is the popular scope of research. It uses too many applications such as military and non-military. WSN is a base of the Internet of Things (IoT), pervasive computing. It consists of many nodes which are deployed in a specific filed for sense and forward data to the destination node. Routing in WSN is a very important issue because of the limitation of the...

A capacitated location-routing problem (CLRP) is one of the new areas of research in distribution management. It consists of two problems; locating of facilities and routing of the vehicle with a specific capacity. The purpose of the CLRP is to open a set of stores, allocate customers to established deposits, and then design vehicle tours in order to minimize the total cost. In this paper, a ne...