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Experimental VBLAST-MIMO and SIMO signal processing in a tunnel

In this work we use the experimental data from an extensive 8×8 MIMO (Multiple-Input Multiple-Output) wideband (2.8GHz-5GHz) measurement campaign in a straight semicircular tunnel to study the impact of different multiantenna signal processing approaches such as the MMSE-VBLAST algorithm. We focus on the 3 and 5 GHz bands, and on different distances from the transmitter and the receiver. Results are exhibited showing the relation between SNR (Signal to Noise Ratio) and SER (Symbol Error Rate).