<strong>S</strong>pectrum <strong>A</strong>ggregation and <strong>M</strong>ulti-<strong>U</strong>ser MIMO: <strong>R</strong>e<strong>A</strong>l-world <strong>I</strong>mpact: <strong>SAMURAI - EU ID: FP7-INFSO-ICT-248268</strong>



The last decade has witnessed a huge growth in the number of mobile subscribers all over the world. Since its early introduction in the 90’s, users of GSM (Global System for Mobile communications) and its evolutions represent today more than 3.5 billion subscribers according to. In parallel, driven by Internet success, data communication shows a tremendous growth. Convergence between those two trends leads to the emergence of new systems and devices to enable broadband wireless communications. The recent market success of devices at the border of communication and multimedia such as smart phones and mobile broadband enabled laptops is driving the operator revenues from voice centric models to data models and is increasing the demand for data communication capacity on mobile cellular systems.

 Nowadays, after several evolutions of mobile systems standards and general adoption of data services, the requirements expressed for the next generation broadband wireless services are even more challenging. For instance, the International Telecommunication Union (ITU), in the framework of IMT-Advanced (International Mobile Telecommunications – Advanced) systems has defined a downlink target of 1Gbit/s for low mobility and 100Mbit/s for high mobility for mobile wireless communication scenarios.

SAMURAI is a European Community founded project that will propose innovative techniques in the area of Multi User-MIMO (MU-MIMO) and Sspectrum Aggregation.These two techniques are considered hot topics from both the academic and the industrial/standardization point of view.

MU-MIMO refers to a system where a transmitter equipped with multiple antennas is communicating with several users simultaneously on the same physical resources. Users can have multiple antennas too, but this is not a necessity. Especially the downlink (or broadcast) channel has received a lot of attention, since it is a major issue for emerging cellular systems, such as the 3GPP (3rd Generation Partnership Project) LTE (Long Term Evolution). The downlink is also the main focus of the SAMURAI project. 

SA refers to the simultaneous usage of multiple and eventually non contiguous chunks of spectrum. This technique is useful in both throughput maximization and Interference Coordination and Management. As a matter of fact, having the possibility to transmit in a flexible way, autonomously selecting the proper spectrum chunks is considered nowadays a must in next generation communication systems.

The main novelty of the approach adopted in the SAMURAI project is to pay a particular attention to the practical implementation and deployment aspects. The constraints from real life system implementation will be taken into account, from the design of signalling needed to support these schemes to hardware/software implementation issues. Further, the SAMURAI project will demonstrate MU-MIMO and SA on real-time testbeds. 

 AAU Role

System level simulation development

Spectrum aggregation and sharing concepts and algorithms;

Proof-of-concept demonstration according to the future LTE-Advanced standard, based on OpenAirInterface boards and libraries.

European Partners: Agilent Technologies, Infineon Technologies, Sequans Communications, Institut Eurecom, Nokia Siemens Networks, Budapesti Muszaki Es Gazdasagtudomanyi Egyetem

Effektiv start/slut dato01/01/201030/06/2012


  • <ingen navn>


  • Cellular Systems
  • Multi-User MIMO
  • Spectrum Aggregation
  • SDR
  • LTE

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  • Aktiviteter

    • 1 Organisering af eller deltagelse i workshop, kursus, seminar eller lignende
    • 1 Foredrag og præsentationer i privat eller offentlig virksomhed

    3rd International Workshop of the COST Action IC0902 "Cognitive Radio and Networking for Cooperative Coexistence of Heterogeneous Wireless Networks"

    Andrea Fabio Cattoni (Deltager)

    12 sep. 201214 sep. 2012

    Aktivitet: Deltagelse i faglig begivenhedOrganisering af eller deltagelse i workshop, kursus, seminar eller lignende

    Theory and Practice of Cognitive Radio: Ph.D. Course for the Ph.D. School in Wireless Communications

    Andrea Fabio Cattoni (Foredragsholder)

    9 maj 201211 maj 2012

    Aktivitet: Foredrag og mundtlige bidragForedrag og præsentationer i privat eller offentlig virksomhed


    COST IC0902: COST Action IC0902: "Cognitive Radio and Networking for Cooperative Coexistence of Heterogeneous Wireless Networks"

    E. Mogensen, P., Popovski, P., Cattoni, A. F., Da Costa, G. W. O., Garcia, L. G. U., Tonelli, O., Berardinelli, G. & Di Benedetto, M. G.


    Projekter: ProjektForskning


    • 4 Konferenceabstrakt til konference
    • 4 Konferenceartikel i tidsskrift
    • 2 Konferenceartikel i proceeding
    • 2 Tidsskriftartikel

    Efficient FPGA Implementation of a STBC-OFDM Combiner for an IEEE 802.16 Software Radio Receiver

    Cattoni, A. F., Le Moullec, Y. & Sacchi, C., 2014, I : Telecommunication Systems. 56, 2, s. 245-255

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

  • 1 Citationer (Scopus)
    8 Downloads (Pure)

    Addressing practical challenges of DSA experimentation with URSP boards

    Berardinelli, G., Tavares, F. M. L., Cattoni, A. F., Sørensen, T. B. & Mogensen, P., sep. 2012.

    Publikation: Konferencebidrag uden forlag/tidsskriftKonferenceabstrakt til konferenceForskning

    ASGARD: the Aalborg University Cognitive Radio Software Platform for DSA experimentation

    Tavares, F. M. L., Tonelli, O., Berardinelli, G., Cattoni, A. F. & Mogensen, P., 2012.

    Publikation: Konferencebidrag uden forlag/tidsskriftKonferenceabstrakt til konferenceForskning