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The nature of the different types of end-to-end mobile devices in wireless networks where congestion is one of the biggest challenge is been addressed. This paper proposes a congestion aware routing strategy based on an evaluation of the weight value as a link index. The evaluation link cost considers the evaluation of the buffer delay, data rate, the MAC overhead and link quality. This approach uses...
Wireless data transfer between mobile users has become more popular nowadays. In Mobile Ad-hoc Network, mobile nodes communicate with each other through the wireless medium, within the transmission range. If we use the data access applications in the wired network, the physical cabling in the wired network is restricting the connection topology and the bandwidth. But there is no such a restriction...
The purpose of a hash function is to produce a "fingerprint" of a message or data for authentication. The strength of the Hash code against brute-force attacks depends on the length of the hash code produced by the algorithm. Constructing the Message Authentication Codes (MAC) from Cryptographic hash functions (SHA-256) gives faster execution in software than symmetric block ciphers like...
AODV protocol is a comparatively more popular on demand routing protocol in mobile ad hoc networks. However, reliability in terms of data communication is not much satisfactory in traditional AODV. This paper presents an AODV with end to end reliability (AODV-EER). The main idea of proposed modification in AODV is to find the route with lowest drop rate from source to destination. We also propose...
In Mobile Ad-hoc Networks (MANETs), mobile node act as router themselves and keeping the route information to reach other mobile nodes and helps to forward data packets from one mobile to another mobile node. The performance of the different mobility models such as Random Walk (RW), Random Waypoint (RWP), Manhattan Mobility (MM), Reference Point Group Mobility (RPGM) are widely analyzed in the environment...
The traditional Ad Hoc routing protocols do not scale well in heterogeneous networks, since they have not been designed to exploit different communication capabilities of network nodes. Building a heterogeneous hierarchical structure is a promising approach to achieve higher scalability in heterogeneous Ad Hoc networks. In this paper, we propose a novel heterogonous routing protocol based on DSDV,...
This paper reports the studies related to scalability of network size on our newly proposed routing protocol, genetic zone routing protocol (GZRP) for mobile ad hoc networks (MANETs). This protocol applies genetic algorithms (GA) to zone routing protocol (ZRP) for finding a limited set of multiple alternative routes to the destinations, in order to provide load balancing and fault tolerance during...
Wearable computers need networking by using wireless ad hoc network in order to utilize them more effectively, routing protocol becomes an important research field for its significance in wireless ad hoc network. In Ad Hoc network, there are mainly two kinds of routing protocols: proactive routing protocol and on-demand routing protocol, to evaluate the performance of two kinds of protocols, we choose...
Wireless mesh networks (WMNs) have recently gained a lot of popularity due to their rapid deployment and instant communication capabilities. However, as a key technology for next-generation wireless networking, WMNs lack suitable routing metrics and protocol for new features. Currently, AODV is the routing protocol used in WMNs. This paper proposes an ants-in-mesh (AIM) routing protocol for wireless...
For mobile ad-hoc wireless network, the route protocol is very important. This paper proposes a modified CBRP scheme based on the cloud model to improve the performance. And some experiments are conducted, the results show that the ad-hoc network will be lower average end-to-end delay and higher packet delivery ratio with the proposed scheme.
Providing high quality communications service among mobile wireless devices is basically a challenging task in wireless ad hoc networks. In this paper, we propose a route stability based multipath quality of service (QoS) routing (SMQR) protocol for mobile ad hoc networks (MANETs) to support throughput and delay sensitive real-time applications in MANETs. Reliability of QoS-aware path is improved...
Wireless vehicular communications are attracting more and more interests for applied research in industries. Most of the efforts are spent in deploying Vehicular Mobile Ad-Hoc Networks (VANETs) for applications such as active safety and Internet services. This paper addresses routing problem in VANETs for applications related to comfort and infotainment for users where an unicast routing protocol...
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