In cognitive radio adhoc networks the utilization of spectrum without spectrum sensing is a difficult task because of the fluctuations of the availability of spectrum holes. Hence the location awareness is must for concurrent transmission area where both primary users and secondary users can exists. In this paper we examine the data rate control effects on the working of cognitive radio adhoc n...

The Terabyte Track explores how retrieval and evaluation techniques can scale to terabyte-sized collections, examining both efficiency and effectiveness issues. TREC 2005 is the second year for the track. The track was introduced as part of TREC 2004, with a single adhoc retrieval task. That year, 17 groups submitted 70 runs in total. This year, the track consisted of three experimental tasks: ...

Adhoc networks are part of IEEE 802.11 Wireless LAN Standard also called Independent Basic Service Set (IBSS) and work as Peer to Peer network by default. These work without the requirement of an Infrastructure (such as an Access Point) and demands specific routing requirements to work as a multihop network. There are various Adhoc network routing protocols which are categorized as Proactive, R...

Mobile ad hoc networks is the future wireless communication systems have recently emerged as an important trend. Mobile adhoc network is self-configurable and adaptive. Due to the mobility of nodes, the network congestion occurs and it is difficult to predict load on the network which leads to congestion. Mobile adhoc network suffers from a severe congestion controlling problem due to the natur...

ENERGY-EFFICIENT DESIGN OF ADHOC AND SENSOR NETWORKS

The Terabyte Track explores how adhoc retrieval and evaluation techniques can scale to terabyte-sized collections. For TREC 2004, our first year, 50 new adhoc topics were created and evaluated over a a 426GB collection of 25 million documents taken from the .gov Web domain. A total of 70 runs were submitted by 17 groups. Along with the top documents, each group reported average query times, ind...

Mobile ad hoc networks are formed dynamically by an autonomous system of mobile nodes that are connected via wireless links without using an existing network infrastructure or centralized administration . As network is created on temporary basis that's why it is called adhoc network . In such network nodes have various limitation due to its adhoc nature. Hence resources like power , comput...

Open systems are becoming increasingly important in a variety of distributed, networked computer applications. Their characteristics, such as agent diversity, heterogeneity and fluctuation, confront multiagent learning with new challenges. This paper presents the interaction learning meta-architecture InFFrA as one possible answer to these challenges, and introduces the opponent classification ...

In this paper we analyze the performance of ADHOC MAC, a new MAC protocol proposed within CarTALK200, a European research project with the purpose to design novel solutions for inter-vehicle communications. ADHOC MAC has been devised to provide a reliable single hop broadcast channel overcoming the hidden terminal problem, and an effective multi hop broadcast service by exploiting the connectiv...

During the past few years the emergence of Mobile adhoc networks (MANETS) and its various uses in different fields of communication has been observed. It has led to an instant growth in wireless technology. Many routing protocols have been designed and implemented for proper functioning of mobile adhoc networks. The prime objective of these routing protocols is to provide a specific and much ef...