MIMO System Setup and Parameter Estimation

J Warnas, X. Shao, Roelof Schiphorst, Cornelis H. Slump

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    There is a rat race in wireless communication to achieve higher spectral efficiency. One technique to achieve this is the use of multiple antenna systems i.e. MIMO systems. In this paper we describe a wireless 4x4 Multiple Input Multiple Output (MIMO) testbed in the 2.2 GHz band including results from live experiments. MIMO systems have several advantages compared to SISO (Single Input Single Output) systems. The most important ones are higher reliability and/or higher throughput per Herz. In this testbed we used the 802.11a OFDM Wireless LAN standard as a basis for the MIMO system. The experiments have been conducted at 2.2 GHz carrier using 5 MHz bandwidth. These can be divided into several subjects: antenna spacing experiments, effects for increasing antennas, AD accuracy and performance for different antenna topologies. Moreover, the performance of the Zero Forcing (ZF), Minimum Mean Square Error (MMSE) and Vertical Bell labs LAyered Space Time (VBLAST) have been evaluated.
    Original languageUndefined
    Title of host publication19th Annual Workshop on Circuits, Systems and Signal Processing, Prorisc 2008
    Place of PublicationNetherlands
    Number of pages5
    ISBN (Print)978-90-73461-56-7
    Publication statusPublished - Nov 2008
    Event19th Annual Workshop on Circuits, Systems and Signal Processing, ProRISC 2008 - Veldhoven, Netherlands
    Duration: 27 Nov 200828 Nov 2008
    Conference number: 19

    Publication series



    Conference19th Annual Workshop on Circuits, Systems and Signal Processing, ProRISC 2008


    • EWI-14866
    • METIS-255113
    • IR-62690

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