 Estimation of distribution of received power levels for the Pamplona city center scenario, considering frequencies of operation f@868 MHz, f@2.4 GHz, and f@3.5GHz, for constant vertical planes at cut planes. The location for the cut planes is depicted schematically in the top image Implementation of Context-Aware Environments with Massive IoT Systems [dBm] [dBm] Y-axis (m) Y-axis (m) Fig. 8.9 Estimation of distribution of received power levels for the Pamplona city center scenario, considering frequency of operation of f@2.4GHz, considering central (left image) and lateral (right image) transceiver location h=1.5m h=1.5m h=8.9m h=8.9m X-axis (m) X-axis (m) h=1.5m h=8.9m X-axis (m) Fig. 8.10 Estimation of distribution of received power levels for the Pamplona city center scenario, considering frequencies of operation f@ 868 MHz, f@2.4 GHz, and f@ 3.5 GHz, for a given linear radial TX-RX distribution, considering heights of 1.5 m, 5 m, and 8.9 m, respectively increasing the percentage of line-of-sight or partial line-of-sight links, which can be observed in the results depicted in Fig. 8.9, considering a central antenna position and a lateral antenna position, for a frequency of operation of 2.4 GHz. Linear radial TX-RX distributions have also been obtained and have been depicted in Fig. 8.10, for all frequencies of operation and considering link heights of 1.5 m, 5 m, and 8.9 m, corresponding to potential location of user as well as infrastructure nodes within the scenario, showing clear path loss dependence with frequency, with increasing losses as the frequency of operation spans from 868 MHz to 3.5 GHz. I. Picallo et al. Time-domain characterization for the city center portion of Pamplona scenario has also been obtained by means of power delay profile distributions for three different antenna locations, considering a frequency of operation in this case of 3.5 GHz, shown in Fig. 8.11. As in the previous case, clear differences can be seen in the multipath component distribution as a function of the transceiver 