In the uplink, power control is needed because ______.
A、signalstransmittedbyonebasestationaremutuallyorthogonal;
B、itcanensureallsignalsarriveatthebasestation'sreceiverwiththesamesignalpower;
C、thesignalsshouldbetransmittedwiththelowestpossiblepowerlevel;
D、theneighborcellsusethesamefrequencycarrier
发布时间：2025-09-19 16:51:59
