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Author : Iordanis Koutsopoulos
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.:/5 (732 download)
Download or read book Resource Allocation Issues in Broadband Wireless Networks with OFDM Signaling written by Iordanis Koutsopoulos and published by . This book was released on 2002 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chen Chen
Publisher : Springer
ISBN 13 : 3030193926
Total Pages : 132 pages
Book Rating : 4.0/5 (31 download)
Download or read book Resource Allocation for OFDMA Systems written by Chen Chen and published by Springer. This book was released on 2019-06-29 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the sources and historic collection campaigns of resource allocation in wireless communication systems. The unique characteristics of MIMO-OFDMA systems are thoroughly studied and summarized. Remarks on resource allocation and spectrum sharing are also presented, which demonstrate the great value of resource allocation techniques, but also introduce distinct challenges of resource allocation in MIMO-OFDMA systems. Novel resource allocation techniques for OFDMA Systems are surveyed from various applications (e.g., for unicast, or multicast with Guaranteed BER and Rate, subcarrier and power allocation with various detectors, low-complexity energyefficient resource allocation, etc.) in this book. Due to the high mobility and low latency requirements of 5G wireless communications, this book discusses how to deal with the imperfect CSI. It also discusses how to deal with e.g., throughput maximization, outage probabilities maximization and guarantee, energy efficiency, physical-layer security issues with feedback channel capacity constraints, in order to characterize and understand the applications of practical scenes. This book will target professionals & researchers working in the fields of Wireless Communications and Networking, Resource Allocation and Transmissions. Advanced-level students in electrical engineering and computer science will also find this book useful as a secondary textbook.
Author : Man-On Pun
Publisher : World Scientific
ISBN 13 : 1860949460
Total Pages : 272 pages
Book Rating : 4.8/5 (69 download)
Download or read book Multi-carrier Techniques for Broadband Wireless Communications written by Man-On Pun and published by World Scientific. This book was released on 2007 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multi-Carrier Techniques for Broadband Wireless Communications provides an accessible introduction to OFDM-based systems from a signal processing perspective. The first part presents a concise treatment of some fundamental concepts related to wireless communications and multicarrier systems, while the second offers a comprehensive survey of recent developments on a variety of critical design issues. These include synchronization techniques, channel estimation methods, adaptive resource allocation and practical schemes for reducing the peak-to-average power ratio of the transmitted waveform.
Author : Elias Yaacoub
Publisher : John Wiley & Sons
ISBN 13 : 1118074505
Total Pages : 298 pages
Book Rating : 4.1/5 (18 download)
Download or read book Resource Allocation in Uplink OFDMA Wireless Systems written by Elias Yaacoub and published by John Wiley & Sons. This book was released on 2012-03-13 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tackling problems from the least complicated to the most, Resource Allocation in Uplink OFDMA Wireless Systems provides readers with a comprehensive look at resource allocation and scheduling techniques (for both single and multi-cell deployments) in uplink OFDMA wireless networks relying on convex optimization and game theory to thoroughly analyze performance. Inside, readers will find topics and discussions on: Formulating and solving the uplink ergodic sum-rate maximization problem Proposing suboptimal algorithms that achieve a close performance to the optimal case at a considerably reduced complexity and lead to fairness when the appropriate utility is used Investigating the performance and extensions of the proposed suboptimal algorithms in a distributed base station scenario Studying distributed resource allocation where users take part in the scheduling process, and considering scenarios with and without user collaboration Formulating the sum-rate maximization problem in a multi-cell scenario, and proposing efficient centralized and distributed algorithms for intercell interference mitigation Discussing the applicability of the proposed techniques to state-of-the-art wireless technologies, LTE and WiMAX, and proposing relevant extensions Along with schematics and figures featuring simulation results, Resource Allocation in Uplink OFDMA Wireless Systems is a valuable book for?wireless communications and cellular systems professionals and students.
Author : Singhal, Chetna
Publisher : IGI Global
ISBN 13 : 1522520244
Total Pages : 354 pages
Book Rating : 4.5/5 (225 download)
Download or read book Resource Allocation in Next-Generation Broadband Wireless Access Networks written by Singhal, Chetna and published by IGI Global. This book was released on 2017-02-14 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the growing popularity of wireless networks in recent years, the need to increase network capacity and efficiency has become more prominent in society. This has led to the development and implementation of heterogeneous networks. Resource Allocation in Next-Generation Broadband Wireless Access Networks is a comprehensive reference source for the latest scholarly research on upcoming 5G technologies for next generation mobile networks, examining the various features, solutions, and challenges associated with such advances. Highlighting relevant coverage across topics such as energy efficiency, user support, and adaptive multimedia services, this book is ideally designed for academics, professionals, graduate students, and professionals interested in novel research for wireless innovations.
Author : Hui Liu
Publisher : John Wiley & Sons
ISBN 13 : 0471757187
Total Pages : 265 pages
Book Rating : 4.4/5 (717 download)
Download or read book OFDM-Based Broadband Wireless Networks written by Hui Liu and published by John Wiley & Sons. This book was released on 2005-11-22 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: OFDM-based Broadband Wireless Networks covers the latest technological advances in digital broadcasting, wireless LAN, and mobile networks to achieve high spectral efficiency, and to meet peak requirements for multimedia traffic. The book emphasizes the OFDM modem, air-interface, medium access-control (MAC), radio link protocols, and radio network planning. An Instructor Support FTP site is available from the Wiley editorial department.
Author : K. Sumathi
Publisher : Grin Publishing
ISBN 13 : 9783668359345
Total Pages : 64 pages
Book Rating : 4.3/5 (593 download)
Download or read book Optimization Techniques in Resource Allocation of Wireless Communication Systems written by K. Sumathi and published by Grin Publishing. This book was released on 2016-12-13 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific Study from the year 2016 in the subject Engineering - Communication Technology, Mahalingam College of Engineering and Technology, language: English, abstract: The future Wireless Communication Systems (WCS) are supposed to provide high data rate to support personal and multimedia communications irrespective of the users' mobility and location. These services include heterogeneous classes of traffics such as voice, file transfer, web browsing, wireless multimedia, teleconferencing, and interactive games. In recent years, data and multimedia services have become important in wireless communications. As a result, bandwidth requirement and number of users become delicate problems. To support high data rate requirement for future WCS, it is essential to efficiently allocate the limited resources. The major challenges are the dynamic nature of wireless channel, limited resources such as power, frequency spectrum, and diversified Quality of Service (QoS) requirements. Orthogonal Frequency Division Multiplexing (OFDM) is a special case of multicarrier transmission that supports high data rate operation. OFDM is a modulation and multiplexing technique appropriate for current and future wireless networks. OFDM divides the available bandwidth into a number of parallel independent orthogonal subchannels and their bandwidth is much less than the coherence bandwidth of the channel. The wide band frequency selective fading channel is converted into several narrow band flat fading channels. OFDM is an excellent method to overcome multipath fading effects. One of the goals of WCS is to enhance the capacity of the channel. Multiple Access Technique (MAT) permits several mobile users to share the given bandwidth in an effective way. Basically there are four multiple access techniques available namely, Time Division Multiple Access (TDMA), Frequency Division Multiple access (FDMA), Code Division Multiple Access (CDMA) and Space Division Multiple Access (SDMA). MAT is employ
Download or read book Adaptive Multiple Access and Resource Allocation with Guaranteed QoS for Broadband OFDM Wireless Networks written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: HKUST Call Number: Thesis ELEC 2004 Zhang.
Author : Nikolas Mitrou
Publisher : Springer
ISBN 13 : 3540246932
Total Pages : 1553 pages
Book Rating : 4.5/5 (42 download)
Download or read book NETWORKING 2004: Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications written by Nikolas Mitrou and published by Springer. This book was released on 2004-04-08 with total page 1553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the refereed proceedings of the 3rd International IFIP-TC6 Networking Conference, Networking 2004. Conferences in the Networking series span the interests of several distinct, but related, TC6 working groups, including Working Groups 6.2, 6.3, and 6.8. Re?ecting this, the conference was structured with three Special Tracks: (i) Networking Technologies, Services, and Protocols; (ii) Performance of Computer and Communication Networks; and (iii) Mobile and Wireless Communications. However, beyond providing a forum for the presentation of high-quality - search in various complementary aspects of networking, the conference was also targetedtocontributingtoauni?edviewofthe?eldandtofosteringtheinter- tion and exchange of fruitful ideas between the various related (and overlapping) specialized subcommunities therein. Towards this second objective, more than a few conference sessions (and thematic sections in this book) ‘cut across’ the Special Tracks, along more generic or fundamental concepts. Networking 2004 was fortunate to attract very high interest among the c- munity, and the conference received 539 submissions from 44 countries in all ?ve continents. These ?gures correspond to a remarkable increase in subm- sions from the previous very successful events (roughly, a 156% increase over Networking 2000 and 71% over Networking 2002), and indicate that Netw- king conferences are progressively becoming established as worldwide reference events in the ?eld.
Author : Sajal Kumar Das
Publisher : John Wiley & Sons
ISBN 13 : 1118684575
Total Pages : 512 pages
Book Rating : 4.1/5 (186 download)
Download or read book Mobile Handset Design written by Sajal Kumar Das and published by John Wiley & Sons. This book was released on 2013-05-29 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: The evolution of mobile communication standards presents numerouschallenges in mobile handset design. Designers must continue toturn out handsets that maintain high device performance and airinterface compatibility, while at the same time shrink powerconsumption, form factors, and costs. Mobile Handset Design is uniquely written to equipprofessionals and students with a complete understanding of how amobile phone works, and teaches the skills to design the latestmobile handsets. Das walks readers through mobile phone operatingprinciples, system infrastructure, TDMA-FDMA-CDMA-OFDMA techniques,hardware anatomy, software and protocols, and internal modules,components, and circuits. He presents all problems associated withmobile wireless channels and recommends corresponding designsolutions to overcome those issues. Mobile RF front-end, digitalbaseband design techniques, and associated trade-offs are alsocovered. Das also discusses the productization aspects and reviewsnew research developments for different mobile phone systems overgenerations. Teaches basic working principles of legacy and 4G mobilesystems Vividly illustrates and explains all key components and theanatomy of mobile phones Explains all hardware and software blocks, from principle topractice to product Discusses key design attributes such as low power consumptionand slim form factors Moves through all topics in a systematic fashion for easycomprehension Presentation files with lecture notes available for instructoruse This book is essential for practicing software, hardware and RFdesign engineers and product managers working to create innovate,competitive handsets. Mobile Handset Design is also idealfor fresh graduates or experienced engineers who are new to themobile industry, and is well-suited for industry veterans as ahandy reference. Lecture materials for instructors available at ahref="http://www.wiley.com/go/dasmobile"www.wiley.com/go/dasmobile/a
Author : Mehri Mehrjoo
Publisher :
ISBN 13 :
Total Pages : 117 pages
Book Rating : 4.:/5 (613 download)
Download or read book Resource Allocation in OFDMA Wireless Networks written by Mehri Mehrjoo and published by . This book was released on 2008 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Orthogonal frequency division multiple access (OFDMA) is becoming a widely deployed mechanism in broadband wireless networks due to its capability to combat the channel impairments and support high data rate. Besides, dealing with small units of spectrum, named sub-carriers, instead of whole spectrum, results in enhanced flexibility and efficiency of the resource allocation for OFDMA networks. Resource allocation and scheduling in the downlink of OFDMA networks supporting heterogeneous traffic will be considered in this thesis. The purpose of resource allocation is to allocate sub-carriers and power to users to meet their service requirements while maintaining fairness among users and maximizes resource utilization. To achieve these objectives, utility-based resource allocation schemes along with some state-of-the-art resource allocation paradigms such as power control, adaptive modulation and coding, sub-carrier assignment, and scheduling are adopted. On one hand, a utility-based resource allocation scheme improves resource utilization by allocating enough resources based on users' quality of service (QoS) satisfaction. On the other hand, resource allocation based on utilities is not trivial when users demand different traffic types with convex and nonconvex utilities.
Author : Abdallah Shami
Publisher : Springer Science & Business Media
ISBN 13 : 0387921311
Total Pages : 385 pages
Book Rating : 4.3/5 (879 download)
Download or read book Broadband Access Networks written by Abdallah Shami and published by Springer Science & Business Media. This book was released on 2010-01-23 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considering the key evolutions within the access network technologies as well as the unprecedented levels of bandwidth demands by end users, this book condenses the relentless research, design, and deployment experience of state-of-the-art access networks. Furthermore, it shares the critical steps and details of the developments and deployment of these emergent technologies; which is very crucial particularly as telecommunications vendors and carriers are looking for cost-effective ultra-broadband “last-mile” access solutions to stay competitive in the “post bubble” era. The book is written to provide a comprehensive overview of the major broadband access technologies and deployments involving internationally recognized authors and key players. Due to its scope and depth, the proposed book is able to fill an important gap of today’s available literature.
Author : Hermann Rohling
Publisher : Springer Science & Business Media
ISBN 13 : 3642174965
Total Pages : 261 pages
Book Rating : 4.6/5 (421 download)
Download or read book OFDM written by Hermann Rohling and published by Springer Science & Business Media. This book was released on 2011-03-22 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Preliminary): The Orthogonal Frequency Division Multiplexing (OFDM) digital transmission technique has several advantages in broadcast and mobile communications applications. The main objective of this book is to give a good insight into these efforts, and provide the reader with a comprehensive overview of the scientific progress which was achieved in the last decade. Besides topics of the physical layer, such as coding, modulation and non-linearities, a special emphasis is put on system aspects and concepts, in particular regarding cellular networks and using multiple antenna techniques. The work extensively addresses challenges of link adaptation, adaptive resource allocation and interference mitigation in such systems. Moreover, the domain of cross-layer design, i.e. the combination of physical layer aspects and issues of higher layers, are considered in detail. These results will facilitate and stimulate further innovation and development in the design of modern communication systems, based on the powerful OFDM transmission technique.
Author :
Publisher :
ISBN 13 :
Total Pages : 730 pages
Book Rating : 4.E/5 ( download)
Download or read book Proceedings written by and published by . This book was released on 2002 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 960 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2007 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Morteza Ibrahimi
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (234 download)
Download or read book Power Allocation in Cooperative OFDM Wireless Systems with Imperfect Implementation written by Morteza Ibrahimi and published by . This book was released on 2007 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cooperative communication is emerging as an effective tool for realizing efficient wireless networks. Performance of these systems has been shown to be enhanced significantly by dynamic resource allocation especially in orthogonal frequency division multiplexing (OFDM) systems. On the other hand, dynamic resource allocation imposes signalling and computational overhead on the system. In this thesis we investigate the relation between overhead and performance improvement. A multi-relay OFDM system is considered, where cooperation gain of distributed antenna array is exploited. We investigate into the optimal power allocation and discuss signaling implementation for the optimal solution. We propose suboptimal schemes with considerably less overhead. Further we investigate how imperfect implementation of these scheme results in performance degradation. We also analyze how much feedback is needed to implement this scheme.
Author : Ekram Hossain
Publisher : Cambridge University Press
ISBN 13 : 1107102499
Total Pages : 433 pages
Book Rating : 4.1/5 (71 download)
Download or read book Radio Resource Management in Wireless Networks written by Ekram Hossain and published by Cambridge University Press. This book was released on 2017-04-27 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book allows readers to gain an in-depth understanding of resource allocation problems in wireless networks and the techniques used to solve them.
