NB-IoT Link budget calculator

This Page provides information about NB-IoT Link budget calculator. –°alculator allows to calculate the maximum Link budget of NB-IoT network depending on Cell Radius, eNodeB/UE configuration, Propagation model, attenuations, etc.

You can calculate the Link budget (Signal level at receiver) and then compare it with Rx Reception sensitivity. Then you will understand Radio Channel Status (Pass or Fail) and Cell Radius.


The calculation is based on the  3GPP 38.901 standard. Approximately Link budget of NB-IoT can be calculated using the formula:

5G NR 4G LTE NB-IoT Link budget

NB-IoT (Narrowband Internet of Things) is a low-power, wide-area network technology designed for connecting low-bandwidth and low-energy devices to the internet. One of the key considerations when deploying an NB-IoT network is the link budget, which refers to the total gain and loss of a signal. Link budget calculator is a tool that can help to determine the link budget for an NB-IoT network.

The NB-IoT link budget calculator takes into account various factors that affect the signal strength and quality, such as transmitter power, receiver sensitivity, antenna gain, cable losses, and path loss. By inputting these parameters into the calculator, engineers can determine the link budget for the network, which can help to optimize the network’s performance and ensure reliable communication between devices.

One of the benefits of using an NB-IoT link budget calculator is that it can help to identify potential issues with the network’s performance before deployment.

Link budget calculator is a valuable tool for engineers working in the field of IoT. It can help to optimize the performance of an NB-IoT network, reduce the cost of deployment, and ensure that devices are operating within the required limits. By using this tool, they can achieve the goal of creating a reliable and efficient IoT network, which is essential in today’s connected world.

Update1: Add Free Space Path Loss (FSPL) Propagation Model. Now you can use LOS or NLOS Model

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4G LTE: 4G LTE Throughput calculator, 4G LTE Link budget calculator, 4G LTE Cell ID (ECI) Calculator, 4G LTE EARFCN calculator, 4G LTE RS RE Power calculator, 4G LTE Users (CCE) calculator, Spectral Efficiency 4G LTE calculator, 4G LTE Timing Advance Distance Calculator, EPRE (Energy Per Resource Element) Calculator, 4G Neighbor planning calculator, UE Category LTE Calculator, QoS for 4G LTE

3G UMTS: 3G UMTS UARFCN calculator

NB-IoT: NB-IoT Link budget calculator

Other: Free Space Path Loss (FSPL) Calculator, Link budget Calculator, dBm Watt Calculator, Convert ppm to Hz, Bandwidth Calculator

Comments 1
  • This seems broken.
    “NB-IoT Repetition Boosting, dB” seems to make no difference?
    What data rate is assumed?

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