Support of Node Mobility between Networks

2012 ◽  
pp. 81-98
Author(s):  
F Yu ◽  
Li Ma
Keyword(s):  
Node Mobility

An Efficient Cluster-Based Flooding Using Fuzzy Logic Scheme (CBF2S) In Mobile Adhoc Networks

2020 ◽  
Vol 14 ◽  
Author(s):  
S. Mahima ◽  
N. Rajendran
Keyword(s):  
Fuzzy Logic ◽  
Ad Hoc ◽  
Link Quality ◽  
Traffic Load ◽  
Node Degree ◽  
Communication Overhead ◽  
Delivery Ratio ◽  
Node Mobility ◽  
Centralized Control ◽  
Hop Count

: Mobile ad hoc networks (MANET) hold a set of numerous mobile computing devices useful for communication with one another with no centralized control. Due to the inherent features of MANET such as dynamic topology, constrained on bandwidth, energy and computing resources, there is a need to design the routing protocols efficiently. Flooding is a directive for managing traffic since it makes use of only chosen nodes for transmitting data from one node to another. This paper intends to develop a new Cluster-Based Flooding using Fuzzy Logic Scheme (CBF2S). To construct clusters and choose proper cluster heads (CHs), thefuzzy logic approach is applied with the use of three parameters namely link quality, node mobility and node degree. The presented model considerably minimizes the number of retransmissions in the network. The presented model instructs the cluster members (CM) floods the packets inside a cluster called intra-cluster flooding and CHs floods the packets among the clusters called inter-cluster flooding. In addition, the gateway sends a packet to another gateway for minimizing unwanted data retransmissions when it comes under different CH. The presented CBF2S is simulated using NS2 tool under the presence of varying hop count. The CBF2S model exhibits maximum results over the other methods interms of overhead, communication overhead, traffic load, packet delivery ratio and the end to end delay.

scholarly journals A Novel Two-Terminal Reliability Analysis for MANET

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Xibin Zhao ◽  
Zhiyang You ◽  
Hai Wan
Keyword(s):  
Communication Network ◽  
Reliability Analysis ◽  
Ad Hoc Network ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Node Mobility ◽  
Wireless Communication Network ◽  
Detailed Evaluation ◽  
Terminal Reliability ◽  
Mobile Ad Hoc

Mobile ad hoc network (MANET) is a dynamic wireless communication network. Because of the dynamic and infrastructureless characteristics, MANET is vulnerable in reliability. This paper presents a novel reliability analysis for MANET. The node mobility effect and the node reliability based on a real MANET platform are modeled and analyzed. An effective Monte Carlo method for reliability analysis is proposed. A detailed evaluation is performed in terms of the experiment results.

scholarly journals ANT COLONY OPTIMIZED ROUTING FOR MOBILE ADHOC NETWORKS (MANET)

2013 ◽  
pp. 218-223
Author(s):  
DWEEPNA GARG ◽  
PARTH GOHIL
Keyword(s):  
Swarm Intelligence ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
Routing Algorithm ◽  
Ant Colony ◽  
Node Mobility ◽  
Mobile Nodes ◽  
Ant Colony Algorithms ◽  
Mobile Ad Hoc ◽  
Hoc Networks

A Mobile Ad-Hoc Network (MANET) is a collection of wireless mobile nodes forming a temporary network without using centralized access points, infrastructure, or centralized administration. Routing means the act of moving information across an internet work from a source to a destination. The biggest challenge in this kind of networks is to find a path between the communication end points, what is aggravated through the node mobility. In this paper we present a new routing algorithm for mobile, multi-hop ad-hoc networks. The protocol is based on swarm intelligence. Ant colony algorithms are a subset of swarm intelligence and consider the ability of simple ants to solve complex problems by cooperation. The introduced routing protocol is well adaptive, efficient and scalable. The main goal in the design of the protocol is to reduce the overhead for routing. We refer to the protocol as the Ant Colony Optimization Routing (ACOR).

scholarly journals Benefiting from the community structure in opportunistic forwarding

2013 ◽  
Vol 10 (2) ◽  
pp. 865-876
Author(s):  
Bing Bai ◽  
Zhenqian Feng ◽  
Baokang Zhao ◽  
Jinshu Su
Keyword(s):  
Community Structure ◽  
Complex Network ◽  
Single Copy ◽  
Routing Algorithms ◽  
Node Mobility ◽  
Challenging Problem ◽  
Community Based ◽  
Single Node ◽  
Inherent Structure ◽  
Delay Tolerant

In Delay Tolerant Networks (DTNs), an end-to-end connectivity cannot be assumed for node mobility and lack of infrastructure. Due to the uncertainty in nodal mobility, routing in DTNs becomes a challenging problem. To cope with this, many researchers proposed opportunistic routing algorithms based on some utilities. However, these simple metrics may only capture one facet of the single node?s mobility process, which cannot reflect the inherent structure of the networks well. Recently, some researchers introduce the Complex network analysis (CNA) to formulate and predict the future contact in DTNs. The community structure is one of the most important properties of CNA. And it reveals the inherent structure of the complex network. In this paper, we present a community-based single-copy forwarding protocol for DTNs routing, which efficiently utilizes the community structure to improve the forwarding efficiency. Simulation results are presented to support the effectiveness of our scheme.

scholarly journals Determining an optimum zone radius for zone routing protocol (ZRP) based on node mobility

2021 ◽  
Vol 21 (2) ◽  
pp. 1230
Author(s):  
Khalid W. Al-Ani ◽  
Salman Yussof ◽  
Hussein M. Haglan ◽  
Hothefa Shaker ◽  
Linda Mahdi Alani
Keyword(s):  
Routing Protocol ◽  
Routing Protocols ◽  
Ad Hoc ◽  
Node Mobility ◽  
Hybrid Routing ◽  
Zone Routing Protocol ◽  
Reactive Routing ◽  
Manet Routing ◽  
Hoc Networks ◽  
Zone Radius

Mobility is one of the important issues in Mobile Ad hoc Networks (MANET). By definition, MANET nodes are free to move around and this may cause difficulty in routing. MANET routing protocols must consider this factor when making routing decision. Zone Routing Protocol (ZRP) is a hybrid routing protocol, which utilizes the proactive and reactive routing protocols advantages. ZRP proactively maintains routing information within a routing zone, while reactively discovering routes to destinations beyond the routing zone. Since ZRP is based on the concept of routing zone, determining an optimum routing zone radius has the major impact on the performance of that protocol. In this research, we studied the effect of zone radius on the performance of ZRP with different levels of node mobility. Node mobility is defined using two different parameters: node speed and pause time. Based on the simulation results, ZRP protocol using zone radius of two provides the best packet delivery fraction, throughput and normalized routing load. However, a larger zone radius will provide a lower delay.

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