Abstract:

A new approach for improving the throughputs of multi-
channel packet radio systems is proposed.Based on the charac-
teristics of multi-code CDMA technology,the scheme factitiously
improves the transmission bit rate of a terminal by compressing
the packet transmission time and thereby increases the number
of the orthogonal spreading codes used by the terminal.By this
means,the average interference level of the system is reduced
and the system capacity is improved.Simulation results show that
the proposed scheme exhibits larger throughput compared with
the traditional multi-code CDMA slotted Aloha systems.