tailieunhanh - Báo cáo hóa học: " Editorial Adaptive Cross-Layer Strategies for Fourth Generation Wireless Communications"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Editorial Adaptive Cross-Layer Strategies for Fourth Generation Wireless Communications | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2010 Article ID 420426 2 pages doi 2010 420426 Editorial Adaptive Cross-Layer Strategies for Fourth Generation Wireless Communications Mohammad Shikh-Bahaei 1 Hyunggon Park 2 Dilip Krishnaswamy 3 and Deepak Turaga4 1 Center for Telecommunication Research King s College London Room 245 Strand London WC2R 2LS UK 2 Department of Electronics Engineering College of Engineering Ewha Womans University Seoul 120-750 Republic of Korea 3 Qualcomm Research Center 5775 Morehouse Drive QRC-603U San Diego CA 92121 USA 4 Thomas J. Watson Research Center IBM Research Hawthorne NY 10532 USA Correspondence should be addressed to Mohammad Shikh-Bahaei Received 30 December 2010 Accepted 30 December 2010 Copyright 2010 Mohammad Shikh-Bahaei et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Ubiquitous support of heterogeneous services with prescribed QoS requirements is an ever-increasing demand in the fourth generation of wireless communication systems. Unpredictable and variable nature of environment and scarcity of resources necessitate exploiting efficient adaptive resource allocation strategies in operating the emerging networks. Recent growth in popularity of high-data rateapplications and the need for larger bandwidths for transmission of multimedia content have also made the ideas of resource sharing and cognitive radio very attractive. Again sharing or allocation of resources should be dynamic and adapted to the network condition. On the other hand for attaining the optimal perceived quality QoS requirements and the respective resource allocation techniques for the new wireless applications should be considered across the open system interconnection OSI layers. For example quality of video .

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