As users increase and the bandwidth to pulse repetition frequency(PRF) decreases in UWB-MA communication,multiple-access interference(MAI) is expected to adversely affect system capacity and performance.

• 在超宽带(UWB)通信系统里；当用户数增加和脉冲重复频率下降时；多址干扰会严重影响系统容量和性能.