Table 1 The transmission and encoding of SM scheme with 3Â bits/channel use, four transmit antennas, and BPSK modulation
Message bits b 1 b 2 b 3 | Active antennas | Transmitted symbol c |
|---|---|---|
000 | 1 | − 1 |
010 | 2 | − 1 |
100 | 3 | − 1 |
110 | 4 | − 1 |
001 | 1 | 1 |
011 | 2 | 1 |
101 | 3 | 1 |
111 | 4 | 1 |