In this Paper, we focus on proactive protocol called OLSR (Optimize Link State Routing Protocol), where the routes are always maintained by interchanging control overhead, namely HELLO and TC (Topology Control) messages. However, the resource is very wasteful and this causes the performance degradation. We propose the method to reduce the control overhead while maintaining the throughput of OLS...

The unique characteristics of mobile ad hoc networks, such as shared wireless channels, dynamic topologies and a reliance on cooperative behavior, makes routing protocols employed by these networks more vulnerable to attacks than routing protocols employed within traditional wired networks. We propose a specification-based intrusion-detection model for ad hoc routing protocols in which network ...

A Quality-of-Service (QoS) routing protocol is developed for mobile Ad Hoc Networks. We perform the proposed QoS-based routing in the Optimized Link State Routing (OLSR) protocol, introducing more appropriate metric than the hop distance. In our simulations the QoS routing protocol produces better performance comparing with the besteffort OLSR protocol.

mobile ad hoc networks (manet) are constructed by mobile nodes without access point. since manet has certain constraints, including power shortages, an unstable wireless environment and node mobility, more power-efficient and reliable routing protocols are needed. the olsr protocol is an optimization of the classical link state algorithm. olsr introduces an interesting concept, the multipoint r...

Orthogonal Least Squares Regression (OLSR) selects each regressor by repeated weighted boosting search (RWBS). This kind of OLSR is known to be capable of producing a much sparser model than many other kernel methods. With the aid of tree structure search, this paper is to construct an even sparser regression model in the framework of OLSR with RWBS. When RWBS being used to solve the optimizati...

ABSTACT Vehicular Ad-Hoc network is a type of Mobile ad-hoc Networks, vanet help in developing communication between near vehicles and between vehicles and roadside equipment. The paper aims to investigate the performance of the routing protocol in vanet by using tcp variants that is tcp reno, tcp new reno and tcp tahoe.In the performance evaluation two different routing protocols On-Demand Dis...

Self-organizing ad hoc networks need development of efficient routing protocols in terms of reliable routing and energy conservation. For dense ad hoc networks, Optimized Link State Routing (OLSR) protocol is suitable due to its multipoint relaying (MPR) feature. We have tried to make the OLSR energy efficient by making effective neighbor selection based on residual battery energy of a node and...

In this paper analysis and performance of AODV, DSR, GRP and OLSR is done for 1 mbps data rate. We used OPNET Simulation tool we created a network containing 30 mobile nodes with data rate 1 Mbps with transmission power 0.005 watts and buffer size 1024000 bits each node moves randomly in the network and simulation time was 1500 sec. Routing protocols are compared in terms of WLAN Load, WLAN Med...

In this proposition, we present a link management technique for pro-active routing protocols for ad-hoc networks. This new mechanism is based on signal strength hence cross layer approach is used. The hysteresis mechanism provided by OLSR is improved upon by using signal strength in combination with the hello loss based hysteresis. The signal power is used to determine if the link-quality is im...

Nowadays, with the development of networked technologies and the great expansion of video games industry, almost all video games propose a multi-player mode. Development of portables consoles which integrate 802.11 technology offers to people the opportunity to play anywhere, at any time and with anybody. However, wireless networked conditions are not always optimal and directly impact the qual...