Abstract
AbstractA method for increasing the number of co‐channel users in direct sequence spread spectrum multiple access (SSMA) communication systems is presented. The effect of band limit on SN ratio, autocorrelation, and mutual correlation of PN signals is studied analytically in direct sequence SSMA. The result is that the number of co‐channel users can be increased by 60% with little effect on acquisition of PN signals by setting the bit rate about three times larger than that of usual systems.
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