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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. Research

    Equal rate resource allocation for multiuser OFDM

    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 ...

    Chunhui Liu, Anke Schmeink and Rudolf Mathar

    EURASIP Journal on Wireless Communications and Networking 2012 2012:344

    Published on: 16 November 2012

  2. Research

    Structure-based learning in wireless networks via sparse approximation

    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...

    Marco Levorato, Urbashi Mitra and Andrea Goldsmith

    EURASIP Journal on Wireless Communications and Networking 2012 2012:278

    Published on: 30 August 2012

  3. Review

    Optimal resource allocation in wireless communication and networking

    Optimal design of wireless systems in the presence of fading involves the instantaneous allocation of resources such as power and frequency with the ultimate goal of maximizing long term system properties such...

    Alejandro Ribeiro

    EURASIP Journal on Wireless Communications and Networking 2012 2012:272

    Published on: 23 August 2012

  4. Research

    Gibbsian method for the self-optimization of cellular networks

    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....

    Chung Shue Chen and Fran├žois Baccelli

    EURASIP Journal on Wireless Communications and Networking 2012 2012:273

    Published on: 23 August 2012

  5. Research

    Optimization of WLAN associations considering handover costs

    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...

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

    EURASIP Journal on Wireless Communications and Networking 2012 2012:255

    Published on: 16 August 2012

  6. Research

    Column generation for frequency assignment in slow frequency hopping networks

    This article deals with the frequency assignment problem (FAP) in slow frequency hopping (GSM) networks, a generalization of the classical FAP. Due to symmetry in the solutions, a natural integer linear progra...

    Arie Koster and Martin Tieves

    EURASIP Journal on Wireless Communications and Networking 2012 2012:253

    Published on: 14 August 2012

  7. Research

    Characterization and optimization of the power consumption in wireless access networks by taking daily traffic variations into account

    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 ...

    Margot Deruyck, Emmeric Tanghe, Wout Joseph and Luc Martens

    EURASIP Journal on Wireless Communications and Networking 2012 2012:248

    Published on: 8 August 2012

  8. Research

    The random access NUM with multiclass traffic

    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...

    Phuong L Vo, Sungwon Lee and Choong Seon Hong

    EURASIP Journal on Wireless Communications and Networking 2012 2012:242

    Published on: 6 August 2012

  9. Research

    Robust SINR-constrained MISO downlink beamforming: when is semidefinite programming relaxation tight?

    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...

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

    EURASIP Journal on Wireless Communications and Networking 2012 2012:243

    Published on: 6 August 2012

  10. Research

    Multi-hop transmission and routing with hierarchical modulation

    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 ...

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

    EURASIP Journal on Wireless Communications and Networking 2012 2012:240

    Published on: 31 July 2012

  11. Research

    Content aware optimization for video delivery over WCDMA

    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 ...

    Kartik Pandit, Amitabha Ghosh, Dipak Ghosal and Mung Chiang

    EURASIP Journal on Wireless Communications and Networking 2012 2012:217

    Published on: 13 July 2012