Hybrid Automatic Repeat Request (HARQ) in LTE FDD

HARQ stands for Hybrid Automatic Repeat Request. HARQ = ARQ + FEC (Forward Error Correction)/Soft Combining. ARQ refers to Automatic Repeat Request i.e. if sender doesn’t receive Acknowledgement (ACK) before timeout, the […]

Narrow Band-Physical Broadcast Channel (NPBCH)

NPBCH stands for narrow band physical broadcast channel similar to PBCH in LTE Technology. The NPBCH is used to deliver the NB-IoT Master Information Block (MIB), which provides essential information […]

5G NR (New Radio) Frequency Bands

Recently, 3GPP has freezes specification for 5G NR and TS 38.104 section 5.2 provides the list of bands in which NR (New Radio) can operate. As per 3GPP release 15 […]