Research Article

Energy-Aware Smart Connectivity for IoT Networks: Enabling Smart Ports

Table 1

System model parameters and simulation values.

Parameter Value Description

200 m eNB cell radius

30 m WiFi cell radius

10 Number of IoT devices per gateway

30 Kbps Computational capacity (device)

Kbps Computational capacity (fog)

Kbps Computational capacity (cloud)

Joule Energy consumption per computational cycle

Required amount of computational cycle per data element (device)

10 Required amount of computational cycle per data element (fog)

1 Required amount of computational cycle per data element (cloud)

-204 dBW/Hz Noise density

180 kHz Bandwidth

W Average transmit power of the IoT devices in the gateways #2, #3, #4, and #5

1 s Time period

0.5-table update parameter

0.9-table update parameter

0.8 Action selection parameter for Stage 1

Action selection parameter for Stage 2

0.8 Decaying rate for and

S 8 Number of bits in each data element

Conversion of kbps data rates to number of data elements

Data processing energy consumption per data rate in kbps (device)

Data processing energy consumption per data rate in kbps (fog)

Data processing energy consumption per data rate in kbps (cloud)

Cost of processing per kbps (device)

Cost of processing per kbps (fog)

Cost of processing per kbps (cloud)

b 20 Budget

Constant coefficient for penalty comparison.

Constant coefficient for penalty comparison.

dBPropagation loss constant for all wireless connection types (a, b, and c).

Propagation loss exponent for NB-IoT and LTE wireless connection types (b and c).

Propagation loss exponent for Wi-Fi (802.11g) wireless connection type (a).