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Recent advances in optimization techniques in wireless communication networks

The goal of this special issue is to gather recent research contributions and advances in optimization with applications in wireless networks and communications.

Edited by: R. De Lamare, Subhrakanti Dey, Deniz Gunduz, Stephen Hanly, Anke Schmeink and Rui Zhang

  1. Content type: Research

    The performance of multicarrier systems can be enhanced by the water filling strategy, in which different rates and powers are allocated to subcarriers. However, the induced large signalling overhead leads to ...

    Authors: Chunhui Liu, Anke Schmeink and Rudolf Mathar

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:344

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  2. Content type: Research

    Decentralized optimization has attracted much research interest for resource-limited networked multi-agent systems in recent years. Decentralized Tconsensus optimization, which is one of the decentralized optimiz...

    Authors: Qing Ling, Min Tao, Wotao Yin and Xiaoming Yuan

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:338

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  3. Content type: Research

    This article investigates the properties of social choice functions (SCFs) that represent resource allocation strategies for interference coupled wireless systems. The resources can be physical layer parameters s...

    Authors: Holger Boche, Siddharth Naik and Tansu Alpcan

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:284

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  4. Content type: Research

    In order to solve the power control problem for multipoint cooperative communication with high-to-low SINR scenario, the cooperative SINR receiving model is established. Moreover, considering its non-convex pr...

    Authors: Hui Zhang, Ying Fang, Yifeng Xie, Hong Wu and Yanyan Guo

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:276

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  5. Content type: Research

    In this article, we present an effective compensation scheme to improve noise robustness for the spectra of speech signals. In this compensation scheme, called magnitude spectrum enhancement (MSE), a voice act...

    Authors: Jeih-weih Hung, Hao-teng Fan and Wen-hsiang Tu

    Citation: EURASIP Journal on Advances in Signal Processing 2012 2012:189

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  6. Content type: Research

    A novel framework for the online learning of expected cost-to-go functions characterizing wireless networks performance is proposed. The framework is based on the observation that wireless protocols induce str...

    Authors: Marco Levorato, Urbashi Mitra and Andrea Goldsmith

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:278

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  7. Content type: Research

    In this study, we propose and analyze a class of distributed algorithms performing the joint optimization of radio resources in heterogeneous cellular networks made of a juxtaposition of macro and small cells....

    Authors: Chung Shue Chen and Fran├žois Baccelli

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:273

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  8. Content type: Research

    Several task forces are currently working on how to design the future Internet and it is high time for research work to also move a step forward to future mobile networks on a large scale. In this article, we ...

    Authors: Gen Motoyoshi, Kenji Leibnitz and Masayuki Murata

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:259

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  9. Content type: Research

    In wireless local area network (WLAN) hotspots the coverage areas of access points (APs) often overlap considerably. Current state of the art optimization models find the optimal AP for each user station by ba...

    Authors: Peter Dely, Andreas Kassler, Nico Bayer, Hans Einsiedler and Christoph Peylo

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:255

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  10. Content type: Research

    In this article, adaptive resource allocation (ARA) is investigated for multiple primary networks based-cognitive radio networks under a more practical system model, where the bandwidth of each secondary user ...

    Authors: Ye Wang, Qinyu Zhang, Yalin Zhang and Peipei Chen

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:252

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  11. Content type: Research

    In this study, a power consumption model as a function of the traffic is developed for macrocell base stations based on measurements on an actual base station. This model allows us to develop energy-efficient ...

    Authors: Margot Deruyck, Emmeric Tanghe, Wout Joseph and Luc Martens

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:248

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  12. Content type: Research

    In this article, we consider a single-antenna orthogonal frequency division multiplexing-based multihop relaying system over frequency selective fading channels employing subcarrier grouping and linear constel...

    Authors: Weiwei Yang, Yueming Cai, Wendong Yang and Baoyu Zheng

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:245

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  13. Content type: Research

    Power spectrum optimization is a well-known difficult nonconvex optimization problem for which only local optimality can typically be assured. This paper unifies several classes of local optimization methods a...

    Authors: Hayssam Dahrouj, Wei Yu and Taiwen Tang

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:244

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  14. Content type: Research

    In this article, we consider the network utility maximization (NUM) problem for the random access network with multiclass traffic. The utilities associated with the users are not only concave, but also nonconc...

    Authors: Phuong L Vo, Sungwon Lee and Choong Seon Hong

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:242

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  15. Content type: Research

    We consider the multiuser beamforming problem for a multi-input single-output downlink channel that takes into account the errors in the channel state information at the transmitter side (CSIT). By modeling th...

    Authors: Enbin Song, Qingjiang Shi, Maziar Sanjabi, Ruo-Yu Sun and Zhi-Quan Luo

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:243

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  16. Content type: Research

    Hierarchical modulation multiplexes layers of different robustness into one stream. Usually being exploited in broadcast systems such as digital video broadcasting, hierarchical modulation can also be applied ...

    Authors: Tae min Park, Joonsoo Lee, Dooyoung Kim and Chongkwon Kim

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:240

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  17. Content type: Research

    Signal-to-interference-plus-noise-based power allocation in wireless ad hoc networks is inherently a nonconvex optimization problem because of the global coupling induced by the co-channel interference. To tac...

    Authors: Lei Yang, Yalin E Sagduyu, Junshan Zhang and Jason H Li

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:231

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  18. Content type: Research

    A content-aware networking framework for transmitting video on the uplink of a Wideband Code Division Multiple Access (WCDMA) cellular network is studied in this article. We consider a multi-user scenario and ...

    Authors: Kartik Pandit, Amitabha Ghosh, Dipak Ghosal and Mung Chiang

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:217

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  19. Content type: Research

    In this article, we propose an incentive-based resource allocation scheme for wireless relay networks. The aim of this article is to construct efficient multicast routes that serve as many users as possible wi...

    Authors: Wen-Hsing Kuo and Che-Wei Chang

    Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:188

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