Bit Error Rate Performance of a MIMO-CDMA System Employing Parity-Bit-Selected Spreading in Frequency Nonselective Rayleigh Fading

Table 1

The allocation of spreading waveforms in parity bit selected spreading technique for 𝑁_𝑡=4.

Messages	Spreading waveform	Channel gain matrix
𝐦^(𝑛)	used	used in (7) and (8)
0000	𝑐𝑚1(𝑡−𝑛𝑇)	𝐇1^(𝑛)
1111
0001	𝑐𝑚2(𝑡−𝑛𝑇)	𝐇2^(𝑛)
1110
0010	𝑐𝑚3(𝑡−𝑛𝑇)	𝐇3^(𝑛)
1101
0011	𝑐𝑚4(𝑡−𝑛𝑇)	𝐇4^(𝑛)
1100
0100	𝑐𝑚5(𝑡−𝑛𝑇)	𝐇5^(𝑛)
1011
0101	𝑐𝑚6(𝑡−𝑛𝑇)	𝐇6^(𝑛)
1010
0110	𝑐𝑚7(𝑡−𝑛𝑇)	𝐇7^(𝑛)
1001
0111	𝑐𝑚8(𝑡−𝑛𝑇)	𝐇8^(𝑛)
1000