So the scheme employing PPM is preferred and we further find when MUI(Multi User Interference) is considered the performance degrades when the number of users increases.

进一步考虑在存在多用户干扰条件下，该系统性能随用户数的增加而下降。

youdao

So the scheme employing PPM is preferred and we further find when MUI(Multi User Interference) is considered the performance degrades when the number of users increases.

进一步考虑在存在多用户干扰条件下，该系统性能随用户数的增加而下降。

youdao