5g Nr, Transmission Channels, Cellular Communication, 5g Technology, 5g Wireless.
always 4 OFDM symbols in time and 20 RBs in the frequency domain. Fig 2: Transmission of SSB Block 2. Control Channels (PDCCH, PUCCH): Physical Downlink Control Channel (PDCCH) carries Downlink Control Information (DCI) as its payload. The PDCCH uses a QPSK modulation format. PDCCH is responsible