This paper proposes a new mixed-integer model for the multi-skill resource-constrained project scheduling problem (MSRCPSP). The interactions between workers are represented as undirected networks. Therefore, for each required skill, an undirected network is formed which shows the relations of human resources. In this paper, community detection in networks is used to find the most compatible wo...

In this paper, we propose to apply Contention-Based Forwarding (CBF) to Vehicular Ad Hoc Networks (VANETs). CBF is a greedy positionbased forwarding algorithm that does not require proactive transmission of beacon messages. CBF performance is analyzed using realistic movement patterns of vehicles on a highway. We show by means of simulation that CBF as well as traditional position-based routing...

In this paper, the sparse sensor placement problem for least-squares estimation is considered, and previous novel approach of selection algorithm extended. The maximization determinant matrix which appears in pseudo-inverse operations employed as an objective function present extended approach. procedure corresponding proved to be mathematically same that previously proposed QR method when numb...

Orthogonal frequency division multiplexing is a promising technology for high data rate transmission in wide band wireless system for achieving high downlink capabilities in a future cellular system. This paper demonstrate, how to improve the capacity of the system and transmission quality of orthogonal frequency-division multiplexed (OFDM) along with multi-input multi-output (MIMO) used with a...

For the emerging wireless mesh networks with multiple radios and directional antennas, this paper first proposes a position-based deployment and routing strategy, and then gives a concrete approach under this strategy. The main idea of this strategy is to deploy the network in certain kind of geometric graph and then design a position-based routing protocol accordingly, so as to achieve efficie...

Data delivery of packets in broad cast using wireless medium is the main intention of this paper, this will be done through a MANETS and should achieve reliable delivery. To do this various protocols are available in the networks world with in that efficient protocol called Position based opportunistic routing protocol which holds stateless property of geographic routing. When a data packet is ...

The unique anywhere, anytime wireless communication support offers, tremendous potential for the next generation of applications in a Mobile Ad-hoc Network (MANET). The Quality of Service (QoS) has been the ever demanding task of wireless communication to satisfy the application requirements. Geographical routing employs a greedy forwarding technique to deliver the packets to the destination an...

Routing plays a very significant role in multi hop data dissemination in Vehicular Ad-Hoc Networks (VANETs). Wehave proposed a Position based Adaptive Routing (PAR) protocol which is scalable for different network densities in VANETs. This scheme uses Preferred Group Broadcasting (PGB) for route discovery. In this mode, after broadcasting the request for route discovery the source node starts l...

Geographic (or geometric) routing is known for routing messages in greedy manner. It means that the current node selects a neighbor node that is closest to the destination and forwards the message to it. Despite its simplicity and general efficiency, this strategy alone does not guarantee delivery of message due to the existence of local minima (or dead ends). If we want to overcome local minim...