NB-IoT part 3: repetitions
NB-IoT is designed to achieve a 20 dB coverage improvement over GSM’s MCL or link budget. The maximum link loss, MCL, for GSM is 144 dB. The maximum link loss for NB-IoT is, therefore, 164 dB. There are several ways that NB-IoT improved the signal over GSM. NB-IoT and Message repetition The downlink improvement is …