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The IEEE 802.16e-2005 standard, also denoted as mobile WiMAX, was introduced as one of
the first real efforts towards the deployment of fourth generation communication systems
providing fixed and mobile broadband wireless access. Mobile WiMAX supports multiple
input multiple output (MIMO) antenna techniques which are considered a key technology
in wireless communication systems for increasing both data rates and system performance.
This paper presents a real-time 2 x 2 MIMO mobile WiMAX receiver with a
detailed description of the architecture, design and implementation steps. The complexity
of the real-time baseband signal processing has been scaled-up due to the high channel
bandwidth that was adopted. Numerous equipment and instrumentation comprising our
high performance experimental MIMO testbed were used to validate the operation of
the mobile WiMAX receiver. The paper includes a subset of results that demonstrate the
system-performance using standard 2 x 2 MIMO mobile channels.
CitationFont, O. [et al.]. A real-time MIMO-OFDM mobile WiMAX receiver: architecture, design and FPGA implementation. "Computer networks", Novembre 2011, vol. 55, núm. 16, p. 3634-3647.
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