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Multiple Access Communications in Future-Generation Wireless Networks

  1. Research

    Slotted Aloha with multi-AP diversity and APS transmit beamforming

    Slotted Aloha is an effective random access protocol and can also be an important element of more advanced media access protocols. This paper investigates slotted Aloha in a radio environment with multiple acc...

    Di Zheng and Yu-Dong Yao

    EURASIP Journal on Wireless Communications and Networking 2011 2011:119

    Published on: 5 October 2011

  2. Research

    On the feasibility of a channel-dependent scheduling for the SC-FDMA in 3GPP-LTE (mobile environment) based on a prioritized-bifacet Hungarian method

    We propose a methodology based on the prioritization and opportunistic reuse of the optimization algorithm known as Hungarian method for the feasible implementation of a channel-dependent scheduler in the long...

    Gerardo Agni Medina-Acosta and José Antonio Delgado-Penín

    EURASIP Journal on Wireless Communications and Networking 2011 2011:71

    Published on: 19 August 2011

  3. Research

    A utility-based approach for secondary spectrum sharing

    This paper provides a social welfare framework for coexistence of secondary users of spectrum in the presence of static primary users. We consider a formulation that captures spatial differences in available s...

    Maxim Dashouk and Murat Alanyali

    EURASIP Journal on Wireless Communications and Networking 2011 2011:32

    Published on: 9 July 2011

  4. Research

    ZAP: a distributed channel assignment algorithm for cognitive radio networks

    We propose ZAP, an algorithm for the distributed channel assignment in cognitive radio (CR) networks. CRs are capable of identifying underutilized licensed bands of the spectrum, allowing their reuse by second...

    Paulo Roberto Walenga Junior, Mauro Fonseca, Anelise Munaretto, Aline Carneiro Viana and Artur Ziviani

    EURASIP Journal on Wireless Communications and Networking 2011 2011:27

    Published on: 4 July 2011

  5. Research

    Quality of service implications of power control and multiuser detection-based cross-layer design

    In order to allow for dense spatial reuse in wireless ad hoc networks, multiple access interference must be dealt with. This calls for advanced physical layer techniques, such as multiuser detection (MUD) or powe...

    Ulrike Korger, Christian Hartmann, Katsutoshi Kusume and Joerg Widmer

    EURASIP Journal on Wireless Communications and Networking 2011 2011:9

    Published on: 8 June 2011

  6. Research

    Coherence time-based cooperative MAC protocol 1 for wireless ad hoc networks

    In this article, we address the goal of achieving performance gains under heavy-load and fast fading conditions. CoopMACI protocol proposed in Proceedings of the IEEE International Conference on Communications...

    Murad Khalid, Yufeng Wang, Ismail Butun, Hyung-jin Kim, In-ho Ra and Ravi Sankar

    EURASIP Journal on Wireless Communications and Networking 2011 2011:3

    Published on: 6 June 2011

  7. Research

    Binary De Bruijn sequences for DS-CDMA systems: analysis and results

    Code division multiple access (CDMA) using direct sequence (DS) spread spectrum modulation provides multiple access capability essentially thanks to the adoption of proper sequences as spreading codes. The abi...

    Susanna Spinsante, Stefano Andrenacci and Ennio Gambi

    EURASIP Journal on Wireless Communications and Networking 2011 2011:4

    Published on: 6 June 2011

  8. Research Article

    A Near-Optimum Multiuser Receiver for STBC MC-CDMA Systems Based on Minimum Conditional BER Criterion and Genetic Algorithm-Assisted Channel Estimation

    The implementation of efficient baseband receivers characterized by affordable computational load is a crucial point in the development of transmission systems exploiting diversity in different domains. This w...

    Leandro D'Orazio, Claudio Sacchi, Massimo Donelli, Jérôme Louveaux (EURASIP Member) and Luc Vandendorpe

    EURASIP Journal on Wireless Communications and Networking 2011 2011:351494

    Published on: 16 March 2011

  9. Research Article

    Performance Analysis for Linearly Precoded LTE Downlink Multiuser MIMO

    The average channel capacity and the SINR distribution for multiuser multiple input multiple output (MIMO) systems in combination with the base station based packet scheduler are analyzed in this paper. The pa...

    Zihuai Lin, Pei Xiao and Yi Wu

    EURASIP Journal on Wireless Communications and Networking 2011 2011:797840

    Published on: 15 March 2011

  10. Research Article

    Interference-Aware Radio Resource Management for Local Area Wireless Networks

    Interference-aware multiple access is an enabler to cost-efficient and reliable high data-rate local area wireless access. In this paper, we propose an interference-aware radio resource management scheme where...

    Pekka Jänis, Visa Koivunen and Cássio B. Ribeiro

    EURASIP Journal on Wireless Communications and Networking 2011 2011:921623

    Published on: 13 March 2011

  11. Research Article

    A Comparative Survey of Adaptive Codec Solutions for VoIP over Multirate WLANs: A Capacity versus Quality Performance Trade-Off

    In multi-rate WLANs, users can suffer transmission rate changes due to the link adaptation mechanism. This results in a variable capacity channel, which is very hostile for VoIP and can cause serious quality o...

    A. Sfairopoulou, B. Bellalta, C. Macian and M. Oliver

    EURASIP Journal on Wireless Communications and Networking 2011 2011:534520

    Published on: 13 March 2011

  12. Research Article

    Evaluating IEEE 802.15.4 for Cyber-Physical Systems

    With rapid advancements in sensing, networking, and computing technologies, recent years have witnessed the emergence of cyber-physical systems (CPS) in a broad range of application domains. CPS is a new class...

    Feng Xia, Alexey Vinel, Ruixia Gao, Linqiang Wang and Tie Qiu

    EURASIP Journal on Wireless Communications and Networking 2011 2011:596397

    Published on: 13 March 2011

  13. Research Article

    Towards a Collision-Free WLAN: Dynamic Parameter Adjustment in CSMA/E2CA

    Carrier sense multiple access with enhanced collision avoidance (CSMA/ECA) is a distributed MAC protocol that allows collision-free access to the medium in WLANs. The only difference between CSMA/ECA and the w...

    Jaume Barcelo, Boris Bellalta, Cristina Cano, Anna Sfairopoulou, Miquel Oliver and Kshitiz Verma

    EURASIP Journal on Wireless Communications and Networking 2011 2011:708617

    Published on: 13 March 2011

  14. Research Article

    Carrier Frequency Offset Estimation for Multiuser MIMO OFDM Uplink Using CAZAC Sequences: Performance and Sequence Optimization

    This paper studies carrier frequency offset (CFO) estimation in the uplink of multi-user multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. Conventional maximum li...

    Yan Wu, J. W. M. Bergmans and Samir Attallah

    EURASIP Journal on Wireless Communications and Networking 2011 2011:570680

    Published on: 10 March 2011