Hardware Development of Baseband Transceiver and FPGA-Based Testbed in 8x8 and 2x2 MIMO-OFDM Systems

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Provided by: Hokkaido University
Topic: Mobility
Format: PDF
Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) is powerful in enhancing communication capacity or reliance. The IEEE802.11n standard defines use of four spatial streams in Spatial Division Multiplexing (SDM). The task group of IEEE802.11ac will extend it to eight spatial streams. The authors present an 88 MIMO-OFDM baseband transceiver compatible with the IEEE802.11ac specification. Two 88 MMSE MIMO detectors based on Streassen's matrix inversion have been designed for real-time MIMO detection. To describe MIMO-OFDM transmission, they have prototyped a FPGA-based testbed in 22 MIMO-OFDM for field experiment and video transmission.
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