答案:DwPTS(Downlink Pilot Time Slot,下行导频时隙)、GP(Guard Period,保护周期)、UpPTS(Uplink Pilot Time Slot上行导频时隙)
解析:DwPTS(Downlink Pilot Time Slot,下行导频时隙)、GP(Guard Period,保护周期)、UpPTS(Uplink Pilot Time Slot上行导频时隙)
答案:DwPTS(Downlink Pilot Time Slot,下行导频时隙)、GP(Guard Period,保护周期)、UpPTS(Uplink Pilot Time Slot上行导频时隙)
解析:DwPTS(Downlink Pilot Time Slot,下行导频时隙)、GP(Guard Period,保护周期)、UpPTS(Uplink Pilot Time Slot上行导频时隙)
A. 调制解调
B. 物理信道映射
C. MOMI处理
D. 波束赋型
A. RSRP
B. CQI
C. RSRQ
D. RSSI
A. Aircom
B. Atoll
C. Capesso
D. CNP
A. 288
B. 276
C. 264
D. 240
A. SIB1
B. SIB2
C. SIB3
D. SIB4
A. 更高的扇区吞吐率和频谱效率
B. 同频干扰比较严重
C. 需要比较复杂的网络规划和优化
D. 适用于广覆盖场景,比如农村
A. 上行发送数据的ACK/NACK
B. CQI(channel quality indicator)报告
C. 调度请求(Scheduling requests)
D. MIMO反馈如预编码矩阵指示PMI(Precoding Matrix Indicator)及秩指示RI
A. PRACH
B. PDCCH
C. PUSCH
D. RS