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5G Throughput Calculator

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The 5G Throughput Calculator is a modern tool designed to estimate the data transfer rate, or throughput, of a 5G network under various conditions. This calculator is invaluable for network engineers, planners, and enthusiasts who wish to understand the performance capabilities of 5G networks. It simplifies complex calculations into a user-friendly interface, making it easier to predict network performance.

Purpose and Functionality

The main purpose of the 5G Throughput Calculator is to provide a theoretical maximum throughput of a 5G network. This calculation is based on several key factors including bandwidth, subcarrier spacing, modulation order, code rate, the number of layers (MIMO), and overhead. By adjusting these inputs, users can simulate different network conditions and device capabilities to understand their impact on network throughput.

How It Works

The calculator uses a specific formula to determine the theoretical peak throughput. This formula takes into account:

  1. Bandwidth (BW) in MHz, which is the width of the frequency band used for data transmission.
  2. Subcarrier Spacing (SCS) in kHz, representing the frequency spacing between individual subcarriers.
  3. Modulation Order (M), indicating the number of bits per symbol in the modulation scheme.
  4. Code Rate (CR), the ratio of the data bits to the total bits transmitted.
  5. Number of Layers (L), related to MIMO technology that uses multiple transmitter and receiver antennas.
  6. Overhead (OH), accounting for the non-data bearing part of the transmission.

Step-by-Step Example

Let’s calculate the theoretical throughput for a given 5G network configuration:

  • Bandwidth: 100 MHz
  • Subcarrier Spacing: 30 kHz
  • Modulation Order: 256QAM (8 bits per symbol)
  • Code Rate: 0.75
  • Number of Layers: 2
  • Overhead: 10%

Using the formula, we find the throughput to be approximately 1.85 Gbps. This example demonstrates how different network parameters affect the throughput, providing valuable insights into network planning and optimization.

Relevant Information Table

InputDescriptionCommon Values
Bandwidth (MHz)Width of the frequency band5, 10, 20, 40, 80, 160
Subcarrier Spacing (kHz)Frequency spacing between subcarriers15, 30, 60, 120, 240
Modulation OrderNumber of bits per modulation symbolQPSK (2), 16QAM (4), 64QAM (6), 256QAM (8)
Code RateRatio of data bits to total transmitted bitsVaries (e.g., 0.75)
Number of LayersMIMO layers or streams1 to 8 (based on device capabilities)
OverheadPercentage of transmission not used for user datae.g., 10% (0.1)


The 5G Throughput Calculator is a powerful tool that helps demystify the complex calculations behind 5G network throughput. It allows for the exploration of how different factors contribute to the network’s data transfer capabilities. By providing a simple yet effective way to estimate the throughput, it serves as an essential resource for those involved in the design, deployment, and optimization of 5G networks. Understanding the potential throughput of a 5G network is crucial for ensuring that the network can meet the demands of modern applications, making this calculator an invaluable asset in the planning and development of 5G infrastructures.

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