A Multiuser Detector Based on Artificial Bee Colony Algorithm for DS-UWB Systems

Table 1

Simulation parameters.

System	DS-UWB
Modulation mode	BPSK
Spreading codes (SC)	m sequences
The length of SC	255
Communication channel	AWGN
The number of testing information bits	3200000
The width of UWB pulse	0.8 ns
The pulse repetition period	≈2 ns
Limit	3
Initializing food source number	3