答案:CD
答案:CD
A. A、避免不同制式的天线正对或斜对
B. B、系统间要保证合适的隔离度
C. C、工制式尽量垂直分布
D. D、工制式尽量水平分布
A. A、Tx/Rxdiversity
B. B、MU-MIMO
C. C、AMS
D. D、SU-MIMO
A. A、Violation of value ranges in ASN.1 definition of messages
B. B、Violation in list element constraints
C. C、Missing mandatory elements in ASN.1 SEQUENCE definitions
D. D、Wrong order of elements in ASN.1 SEQUENCE definitions
A. A、RSRP
B. B、RSCP
C. C、SINR
D. D、RSRQ
A. A、PBCH
B. B、PDCCH
C. C、PHICH
D. D、PCFICH
A. A、严重告警
B. B、主要告警
C. C、次要告警
D. D、普通告警