EURASIP Journal on Wireless Communications and Networking Fairness in Radio Resource Management for Wireless Networks Guest Editors: Mohamed Hossam Ahmed, Alagan Anpalagan, Kwang-Cheng Chen, Zhu Han, and Ekram Hossain Fairness in Radio Resource Management for Wireless Networks EURASIP Journal on Wireless Communications and Networking Fairness in Radio Resource Management for Wireless Networks Guest Editors: Mohamed Hossam Ahmed, Alagan Anpalagan, Kwang-Cheng Chen, Zhu Han, and Ekram Hossain Copyright © 2009 Hindawi Publishing Corporation. All rights reserved. This is a special issue published in volume 2009 of “EURASIP Journal on Wireless Communications and Networking.” All articles are open access articles distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Editor-in-Chief Luc Vandendorpe, Universite´ catholique de Louvain, Belgium Associate Editors Thushara Abhayapala, Australia Christian Hartmann, Germany Sayandev Mukherjee, USA Mohamed H. Ahmed, Canada Stefan Kaiser, Germany Kameswara Rao Namuduri, USA Farid Ahmed, USA George K. Karagiannidis, Greece AmiyaNayak,Canada Carles Anton-Haro,´ Spain Chi Chung Ko, Singapore Claude Oestges, Belgium Anthony C. Boucouvalas, Greece Visa Koivunen, Finland A. Pandharipande, The Netherlands Lin Cai, Canada Nicholas Kolokotronis, Greece Phillip Regalia, France Yuh-Shyan Chen, Taiwan Richard Kozick, USA A. Lee Swindlehurst, USA Pascal Chevalier, France Sangarapillai Lambotharan, UK George S. Tombras, Greece Chia-Chin Chong, South Korea Vincent Lau, Hong Kong Lang Tong, USA Soura Dasgupta, USA DavidI.Laurenson,UK Athanasios Vasilakos, Greece Ibrahim Develi, Turkey Tho Le-Ngoc, Canada Ping Wang, Canada Petar M. Djuric,´ USA Wei Li, USA Weidong Xiang, USA Mischa Dohler, Spain Tongtong Li, USA Yang Xiao, USA Abraham O. Fapojuwo, Canada Zhiqiang Liu, USA Xueshi Yang, USA Michael Gastpar, USA Steve McLaughlin, UK Lawrence Yeung, Hong Kong Alex Gershman, Germany Sudip Misra, India Dongmei Zhao, Canada Wolfgang Gerstacker, Germany Ingrid Moerman, Belgium Weihua Zhuang, Canada David Gesbert, France Marc Moonen, Belgium Fary Ghassemlooy, UK Eric Moulines, France Contents Fairness in Radio Resource Management for Wireless Networks, Mohamed Hossam Ahmed, Alagan Anpalagan, Kwang-Cheng Chen, Zhu Han, and Ekram Hossain Volume 2009, Article ID 642878, 3 pages Fair Adaptive Bandwidth and Subchannel Allocation in the WiMAX Uplink, Antoni Morell, Gonzalo Seco-Granados, and JoseL´ opez´ Vicario Volume 2009, Article ID 918261, 13 pages Fairness and QoS Guarantees of WiMAX OFDMA Scheduling with Fuzzy Controls, Chao-Lieh Chen, Jeng-Wei Lee, Chi-Yuan Wu, and Yau-Hwang Kuo Volume 2009, Article ID 512507, 14 pages CDIT-Based Constrained Resource Allocation for Mobile WiMAX Systems, Felix Brah, Jerome Louveaux, and Luc Vandendorpe Volume 2009, Article ID 425367, 8 pages Cross-Layer Resource Scheduling for Video Traffic in the Downlink of OFDMA-Based Wireless 4G Networks, Feroz A. Bokhari, Halim Yanikomeroglu, William K. Wong, and Mahmudur Rahman Volume 2009, Article ID 212783, 10 pages Busy Bursts for Trading off Throughput and Fairness in Cellular OFDMA-TDD, Birendra Ghimire, Gunther Auer, and Harald Haas Volume 2009, Article ID 462396, 14 pages A Fair Opportunistic Access Scheme for Multiuser OFDM Wireless Networks,Cedric´ Gueguen and Sebastien´ Baey Volume 2009, Article ID 726495, 14 pages Decentralized Utility Maximization in Heterogeneous Multicell Scenarios with Interference Limited and Orthogonal Air Interfaces, Ingmar Blau, Gerhard Wunder, Ingo Karla, and Rolf Sigle Volume 2009, Article ID 104548, 12 pages Joint Throughput Maximization and Fair Uplink Transmission Scheduling in CDMA Systems, Symeon Papavassiliou and Chengzhou Li Volume 2009, Article ID 564692, 15 pages Spatial and Temporal Fairness in Heterogeneous HSDPA-Enabled UMTS Networks, Andreas Mader¨ and Dirk Staehle Volume 2009, Article ID 682368, 12 pages Outage Probability versus Fairness Trade-off in Opportunistic Relay Selection with Outdated CSI, Jose Lopez Vicario, Albert Bel, Antoni Morell, and Gonzalo Seco-Granados Volume 2009, Article ID 412837, 10 pages Cross-Layer Optimal Rate Allocation for Heterogeneous Wireless Multicast, Amr Mohamed and Hussein Alnuweiri Volume 2009, Article ID 467182, 16 pages A Novel Approach to Fair Routing in Wireless Mesh Networks,JuhoMa¨att¨ aandTimoBr¨ aysy¨ Volume 2009, Article ID 379059, 13 pages On Throughput-Fairness Tradeoff in Virtual MIMO Systems with Limited Feedback, Alexis A. Dowhuszko, Graciela Corral-Briones, Jyri Ham¨ al¨ ainen,¨ and Risto Wichman Volume 2009, Article ID 102064, 17 pages Throughput versus Fairness: Channel-Aware Scheduling in Multiple Antenna Downlink, Eduard A. Jorswieck, Aydin Sezgin, and Xi Zhang Volume 2009, Article ID 271540, 13 pages Optimal and Fair Resource Allocation for Multiuser Wireless Multimedia Transmissions, Zhangyu Guan, Dongfeng Yuan, and Haixia Zhang Volume 2009, Article ID 801613, 10 pages Performance Analysis of SNR-Based Scheduling Policies in Asymmetric Broadcast Ergodic Fading Channel,Jesus´ Perez,´ Jesus´ Iba´nez,˜ Javier V´ıa, and Ignacio Santamar´ıa Volume 2009, Article ID 163826, 6 pages Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2009, Article ID 642878, 3 pages doi:10.1155/2009/642878 Editorial Fairness in Radio Resource Management for Wireless Networks Mohamed Hossam Ahmed,1 Alagan Anpalagan,2 Kwang-Cheng Chen, 3 Zhu Han,4 and Ekram Hossain5 1 Electrical and Computer Engineering, Memorial University of Newfoundland, St. John’s, NL, Canada A1C 5S7 2 Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada M5B 2K3 3 Electrical Engineering department, National Taiwan University, Taipei 10617, Taiwan 4 Electrical and Computer Engineering, University of Houston, Houston, TX, 77004, USA 5 Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB, Canada R3T 2N2 Correspondence should be addressed to Mohamed Hossam Ahmed, [email protected] Received 31 December 2008; Accepted 31 December 2008 Copyright © 2009 Mohamed Hossam Ahmed 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. Radio resource management (RRM) techniques such as The first paper titled “Fair adaptive bandwidth and admission control, scheduling, subcarrier allocation, channel subchannel allocation in the WiMAX uplink” by A. Morell, assignment, power allocation, and rate control are essen- G. S. Granados, and J. L. Vicario proposes an uplink tial for maximizing the resource utilization and providing scheduling mechanism for mobile WiMAX networks. The quality of service (QoS) in wireless networks. In many scheduling mechanism implements a dynamic bandwidth cases, the performance metrics (e.g., overall throughput) allocation solution in a network utility maximization frame- can be optimized if opportunistic algorithms are employed. work. The problem is decomposed into two subproblems, However, opportunistic RRM techniques always favor advan- namely, a flow allocation subproblem and a subchannel taged users who have good channel conditions and/or low allocation subproblem. To solve the optimization problem, interference levels. The problem becomes even worse when the authors apply the mean value cross-decomposition the wireless terminals have low mobility since the channel method, which results in an implementation-friendly solu- conditions become slowly varying (or even static), which tion. The second paper titled “Fairness and QoS guarantees might lead to long-term unfairness. The problem of fair of WiMAX OFDMA scheduling with fuzzy controls” by C. resource allocation is more challenging in multihop wireless L. Chen et al. proposes a fuzzy control-based scheduling networks (e.g., wireless mesh networks and multihop cellular mechanism for WiMAX. The objective of the proposed networks). This special issue addresses some fairness issues scheduling mechanism is to provide delay and jitter control and solutions in using RRM techniques in modern wireless for real-time connections, and throughput control for non- communication systems. real-time connections. The scheduling method provides We received an overwhelming response to our call for intra- and interclass fairness with QoS guarantees, and it paper of this special issue. From the large number of high quality submissions we received, we have selected sixteen has low implementation complexity. With intraclass fair- papers grouped in six subtopics, namely, (1) fairness of RRM ness, the connections within the same class achieve equal in WiMAX networks,(2)fairness of RRM in OFDM/OFDMA degree of QoS. With interclass fairness, the connections systems,(3)fairness of RRM in CDMA/UMTS systems, (4) with QoS requirements achieve their demands and those fairness of RRM in MIMO systems,(5)fairness of RRM without QoS requirements equally share the remaining in multihop and mesh networks,andfinally(6)fairness of resources. multiuser resource allocation. The third paper titled “CDIT-based constrained resource In the first group, three papers address the fair resource allocation for mobile WiMAX systems” by F. Brah, J. management in WiMAX networks. Louveaux, and L. Vandendorpe addresses the problem of 2 EURASIP Journal on Wireless Communications and Networking subchannel assignment