|Total results: 562||
|Game Theory Applications in Network Design
The use of game theoretic techniques is playing an increasingly important role in the network design domain. Understanding the background, concepts, and principles in using game theory approaches is necessary for engineers in network design.
Game Theory Applications in Network Design provides the...
Network Topology in Command and Control: Organization, Operation, and Evolution
T. J. Grant, R. H. P. Janssen, H. Monsuur.
Over the past decade, the Command and Control (C2) field has been making a transformation from top-down, directive command to Network Centric Operations (NCO), peer-to-peer negation, self-synchronization, and agility. As the terms NCO and NEC suggest, C2 systems are regarded as networks, rather than a...
Network and Traffic Engineering in Emerging Distributed Computing Applications
Jemal H. Abawajy, Mukaddim Pathan, Mustafizur Rahman, Al-Sakib Khan Pathan, Mustafa Mat Deris.
Advances such as cloud computing and streaming multimedia are steadily increasing the demand on network resources, and telecommunications providers must ensure that their networks are managed effectively in order to ensure that Internet and mobile users remain satisfied with their quality of...
Cognitive Radio and Interference Management: Technology and Strategy
Meng-Lin Ku, Jia-Chin Lin.
Broadcast spectrum is scarce, both in terms of our ability to access existing spectrum and as a result of access rules created by governments. An emerging paradigm called cognitive radio, however, has the potential to allow different systems to dynamically access and opportunistically exploit the same...
Distributed Computing Innovations for Business, Engineering, and Science
Alfred Waising Loo.
In recent years, distributed systems and computing applications continue to increase its approaches towards business, engineering, and science.Distributed Computing Innovations for Business, Engineering, and Science is a collection of widespread research providing relevant theoretical frameworks and...
Multimedia Networking and Coding
Reuben A. Farrugia, Carl J Debono.
Advances in multimedia communication systems have enhanced the need for improved video coding standards. Due to the inherent nature of video content, large bandwidths and reliable communication links are required to ensure a satisfactory level of quality experience; inspiring industry and research...
Opportunistic Spectrum Sensing and Transmissions
S. S. Alam, L. Marcenaro, C. S. Regazzoni.
Nowadays, cognitive radio is one of the most promising paradigms in the arena of wireless communications, as it aims at the proficient use of radio resources. Proper utilization of the radio spectrum requires dynamic spectrum accessing. To this end, spectrum sensing is undoubtedly necessary. In this...
Spectrum Sensing in Cognitive Radio: Aspects of Fading and Cooperation
The cognitive radio has been widely investigated to support modern wireless applications. To exploit the spectrum vacancies in cognitive radios, the chapter considers the collaborative spectrum sensing by multiple sensor nodes in the likelihood ratio test (LRT) frameworks. In this chapter, the...
Robust Performance of Spectrum Sensing in Cognitive Radio Networks
Shimin Gong, Ping Wang, Jianwei Huang.
Harmonic coexistence of cognitive radio systems and licensed systems requires the secondary users to have the capability of sensing and keeping track of primary users’ transmissions. While existing spectrum sensing methods usually assume known distributions of the primary signals, such an assumption is...
Throughput Modeling, Analysis, and Optimization in Cognitive Wireless Networks
Alireza Babaei, Prathima Agrawal, Bijan Jabbari.
In cognitive wireless networks, secondary nodes are required to sense the spectrum and to be cognizant of their interference on the primary receiving nodes. In this chapter, the authors show that the throughputs in the primary and the secondary networks have an entangled relationship and need to be...
Distributed Multicell Precoding for Network MIMO
Winston W. L. Ho, Tony Q. S. Quek, Robert W. Heath.
Interference is a performance limiting factor in dense cellular networks with aggressive frequency reuse. Cooperation among base stations (BSs) is a promising approach for improving data rates by eliminating or mitigating interference. For the downlink, the highest spectral efficiency gains are...
Application of Fuzzy Logic Power Control for Cognitive Radio Networks
Abbas Mohammed, Elisabeth Rakus-Andersson, Wlodek Kulesza.
In this chapter, the authors present the application of fuzzy logic for power control in spectrum sharing cognitive radio network. The investigated network consists of a pair of primary users (PUs) and a pair of cognitive radio users (CRs). In order to compute an optimal power scale for the CR link, a...
Game Theory for Cognitive Radio
Hany Kamal, Abbas Mohammed.
Demands on high data rate applications are increasing and consequently demands on spectral resources are increasing as well. Although electromagnetic spectrum is recently said to be in a scarcity situation, several studies have shown that this scarcity is mainly due to the legacy command-and-control...
Distributed Coalition Formation and Resource Allocation in Cognitive LTE Femto-cells
Omid Namvar Gharehshiran, Alireza Attar, Vikram Krishnamurthy.
This chapter investigates resource allocation in a Universal Mobile Telecommunication System (UMTS) Long Term Evolution (LTE) network. Users form coalitions, each exploiting resources in a particular femto-cell, while occupying optimal resources in the sense that total network throughput is maximized....
QoS Scheduling with Opportunistic Spectrum Access for Multimedia
Pavol Polacek, Chih-Wei Huang.
Thanks to the advances of multimedia application, mobile computing platform, and wireless communication technology, the research area has attracted serious attention in order to seamlessly provide interactive and ubiquitous user experience. To make it happen, the pursuit of higher system capacity in...
Cognitive Cooperation in Wireless Networks
Eng Hwee Ong, Jamil Y. Khan.
In recent years, vertical handover (VHO) has been identified as the primary vehicle to provision seamless mobility and quality of service (QoS) transparency for end-user in composite network. This allows end-user to enjoy ubiquitous connectivity in the most efficient way, irrespective of time and...
Fuzzy Systems for Spectrum Access, Mobility and Management for Cognitive Radios
Prabhjot Kaur, Moin Uddin, Arun Khosla.
This chapter addresses the issues in air interface designs for Cognitive Radios. Fuzzy logic system is used as one of the soft computing techniques to learn to sub optimality and vagueness. Many good, simple, and quick fuzzy based solutions have been developed since few decades in many diverse domains....
Cross-Layer Design for Cognitive Radio Networks
M. Ayyash, Y. Al-Sbou.
Nowadays, due to the tremendous growth of wireless communications technologies and multimedia applications, the radio spectrum is starting to be crowded and scarce to meet the continuous growth of frequency requirements. Additionally, interference management is one of the key issues in wireless...
Security for Cognitive Radio Networks
Rajni Dubey, Sanjeev Sharma, Lokesh Chouhan.
Most of the frequency spectrum bands have already been licensed, and the licensed spectrum is not being utilized efficiently. Cognitive Radio Networks (CRNs) are the kind of full duplex radio that automatically altered its transmission or reception parameters, in such a way that the entire wireless...
Channel State Prediction in Cognitive Radio
Spectrum sensing is the cornerstone of cognitive radio, which detects the availability of a spectrum band for the current time. In theory, the result of spectrum sensing reflects the current channel state, which is the ideal case. However, according to the author’s measurements, hardware platforms can...
Intelligent Multimedia Technologies for Networking Applications: Techniques and Tools
As ubiquitous multimedia applications benefit from the rapid development of intelligent multimedia technologies, there is an inherent need to present frameworks, techniques and tools that adopt these technologies to a range of networking applications.Intelligent Multimedia Technologies for Networking...
Intelligent Systems for Optical Networks Design: Advancing Techniques
Yousef S. Kavian, Z. Ghassemlooy.
As the increased demand for high-speed communication creates an interest in the development of optical networks, intelligent all optical networks have emerged as the next generation for reliable and fast connections.Intelligent Systems for Optical Networks Design: Advancing Techniques is a...
Evolution of Cognitive Networks and Self-Adaptive Communication Systems
Thomas D. Lagkas, Panagiotis Sarigiannidis, Malamati Louta, Periklis Chatzimisios.
Cognitive networks can be crucial for the evolution of future communication systems; however, current trends have indicated major movement in other relevant fields towards the integration of different techniques for the realization of self-aware and self-adaptive communication systems.Evolution of...