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Optimization Techniques in Resource Allocation of Wireless Communication Systems

2016-12-13
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Release : 2016-12-13
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Book Rating : 345/5 ( reviews)

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Book Synopsis Optimization Techniques in Resource Allocation of Wireless Communication Systems by : K. Sumathi

Download or read book Optimization Techniques in Resource Allocation of Wireless Communication Systems written by K. Sumathi. This book was released on 2016-12-13. 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

Resource Allocation Optimization for Future Wireless Communication Systems

2020
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Release : 2020
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Book Synopsis Resource Allocation Optimization for Future Wireless Communication Systems by : Binbin Su

Download or read book Resource Allocation Optimization for Future Wireless Communication Systems written by Binbin Su. This book was released on 2020. Available in PDF, EPUB and Kindle. Book excerpt:

Optimizing Wireless Communication Systems

2009-07-31 Technology & Engineering
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Release : 2009-07-31
Genre : Technology & Engineering
Kind : eBook
Book Rating : 558/5 ( reviews)

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Book Synopsis Optimizing Wireless Communication Systems by : Francisco Rodrigo Porto Cavalcanti

Download or read book Optimizing Wireless Communication Systems written by Francisco Rodrigo Porto Cavalcanti. This book was released on 2009-07-31. Available in PDF, EPUB and Kindle. Book excerpt: In June 2000, GTEL (Wireless Telecommunications Research Group) at the F- eral University of Ceara ́ was founded by Professor Rodrigo Cavalcanti and his c- leagues with the mission of developing wireless communications technology and impact the development of the Brazilian telecommunications sector. From the start, this research effort has been supported by Ericsson Research providing a dynamic environment where academia and industry together can address timely and relevant research challenges. This book summarized much of the research output that has resulted from GTEL’s efforts. It provides a comprehensive treatment of the physical and multiple access layers in mobile communication systems describing different generations of systems but with a focus on 3G systems. The team of Professor C- alcanti has contributed scienti cally to the development of this eld and built up an impressive expertise. In the chapters that follow, they share their views and kno- edge on the underlying principles and technical trade-offs when designing the air interface of 3G systems. The complexity of 3G systems and the interaction between the physical and m- tiple access layers present a tremendous challenge when modeling, designing, and analyzing the mobile communication system. Herein, the authors tackle this pr- lem in an impressive manner. Their work is very much in line with the developments in 3GPP providing a deeper understanding of the evolution of 3G and also future enhancements.

Resource Allocation in Multiuser Multicarrier Wireless Systems

2007-11-15 Technology & Engineering
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Release : 2007-11-15
Genre : Technology & Engineering
Kind : eBook
Book Rating : 454/5 ( reviews)

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Book Synopsis Resource Allocation in Multiuser Multicarrier Wireless Systems by : Ian C. Wong

Download or read book Resource Allocation in Multiuser Multicarrier Wireless Systems written by Ian C. Wong. This book was released on 2007-11-15. Available in PDF, EPUB and Kindle. Book excerpt: This book proposes a unified algorithmic framework based on dual optimization techniques that have complexities that are linear in the number of subcarriers and users, and that achieve negligible optimality gaps in standards-based numerical simulations. Adaptive algorithms based on stochastic approximation techniques are also proposed, which are shown to achieve similar performance with even much lower complexity. All the algorithms proposed are clearly presented in concise block diagrams allowing the reader to implement these algorithms in the software of their choice. This book is an accessible reference for researchers and industry practitioners alike.

Resource Allocation for Wireless Networks

2008-04-14 Technology & Engineering
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Release : 2008-04-14
Genre : Technology & Engineering
Kind : eBook
Book Rating : 857/5 ( reviews)

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Book Synopsis Resource Allocation for Wireless Networks by : Zhu Han

Download or read book Resource Allocation for Wireless Networks written by Zhu Han. This book was released on 2008-04-14. Available in PDF, EPUB and Kindle. Book excerpt: Merging the fundamental principles of resource allocation with the state-of-the-art in research and application examples, Han and Liu present a novel and comprehensive perspective for improving wireless systems performance. Cross-layer multiuser optimization in wireless networks is described systematically. Starting from the basic principles, such as power control and multiple access, coverage moves to the optimization techniques for resource allocation, including formulation and analysis, and game theory. Advanced topics such as dynamic resource allocation and resource allocation in antenna array processing, and in cooperative, sensor, personal area, and ultrawideband networks, are then discussed. Unique in its scope, timeliness, and innovative author insights, this invaluable work will help graduate students and researchers to understand the basics of wireless resource allocation whilst highlighting modern research topics, and will help industrial engineers to improve system optimization.

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