Figure 2From: A space-time coding approach for RFID MIMO systemsSER of RFID MIMO systems for Scheme I with QPSK modulation. (a) SER vs Ntag for Nrd = 1(b) SER vs Ntag for Nrd = 4(c) SER vs Nrd for Ntag = 1(d) SER vs Nrd for Ntag = 4.Back to article page