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oai:riuma.uma.es:10630/247942026-02-03T12:09:55Zcom_10630_2254col_10630_37959

00925njm 22002777a 4500 dc Segura, David author Khatib, Emil Jatib author Munilla-Fajardo, Jorge author Barco-Moreno, Raquel author 2022-07 In the 3GPP LTE Release 13, NB-IoT was standardized to provide wide-area connectivity for IoT. To optimize network signaling and power consumption, control plane (CP) optimization was introduced. In Release 15, to support infrequent small data transmissions, Early Data Transmission (EDT) was also included, in which the data are sent during the random access procedure. Thus, this paper analyses the latency performance of the different NB-IoT optimizations for the CP. The study, carried out in a real device, has been performed for different packet sizes and coverage levels. Evaluation results show lower latencies for EDT, particularly with small packets, where a reduced transport block is used, being more efficient from a network point of view. Additionally, we verify that EDT, unlike Release 13 optimization, fulfills 3GPP latency requirement for extreme coverage. https://hdl.handle.net/10630/24794 Redes de banda ancha - Congresos Transmisión digital - Congresos NB-IoT latency evaluation with real measurements