Design and verification of SC-FDE/OFDM communication schemes for millimetre-wave wireless system using FPGA technologies

  • Hhaled Sobaihi

    Student thesis: Doctoral Thesis


    This thesis contributes to the development and characterization of millimetre-wave personal area networks (WPANs) in the 60 GHz frequency band. Single-carrier and multicarrier transmission techniques are considered in the implementation of a 64.8 GHz WPAN capable of achieving a reliable indoor link. Thus, single-carrier with frequency domain equalization (SC-FDE) and orthogonal frequency-division multiplexing (OFDM) communication schemes were designed and implemented to mitigate the multipath fading of the 60 GHz indoor channels. As a result, a complete millimetre-wave transceiver operating at 64.8 GHz, with up to 100 Mb/s data-rate utilizing 16-QAM modulation scheme is realized.

    The re-programmability offered by field-programmable gate arrays (FPGAs) along with their capability of performing real-time digital signal processing has been exploited. A FPGA-based platform is employed to prototype the hardware implementation of the baseband digital signal processing modules of the proposed 64.8 GHz millimetre-wave transceiver. The design and the construction of the complete baseband transceiver is based on a software-defined radio (SDR) concept, which was achieved by a software and hardware implementation of different functional modules of the digital baseband transceiver.

    The baseband transceiver has been successfully interfaced with a 64.8 GHz radio system which was built using commercially available discrete RF modules. The back-to-back performance of both baseband transceiver and the 64.8 GHz WPAN has been validated.

    The performance of the implemented transceiver has been characterized in different transmission scenarios, within different environments, and with line-of-sight and non-line-of-sight conditions. This characterization has been performed by measuring the bit-error rate (BER) against signal-to-noise ratio (SNR) in different communication scenarios.

    The work presented in this thesis shows that a 64.8 GHz WPAN can be successfully implemented with either SC-FDE or OFDM communication scheme. Also, the advantage of SC-FDE and its ability to be a prominent alternative to the OFDM in multipath channels is presented.

    The novel aspects of this thesis are summarized as follows:

    1.Design, implementation, and performance verification of a 64.8 GHz WPAN using SC-FDE and OFDM communication schemes together with frequency domain equalization (FDE).

    2.BER characterization and performance evaluation in indoor multipath channels for various use cases scenarios.
    Date of Award2012
    Original languageEnglish
    SupervisorAkram Hammoudeh (Supervisor) & David Scammell (Supervisor)


    • Wireless communication systems
    • Personal area networks

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