What is mmWave in 5G-NR?

Hello All.

New session available. At the end of this session , you will be able to answer below questions:

  • What is mmWave in 5G NR?
  • Why we need to use it ?
  • what is most common bands in mmWave in 5G NR?
  • What is C-band?
  • What is mmWave challenges?

  • 5G Millimeter Wave Concept

    • 5G millimeter wave (mmWave) is a high-frequency spectrum used in 5G networks to provide ultra-fast data speeds, low latency, and improved network capacity.
  • High-frequency waves
    mmWave spectrum operates at frequencies between 24 GHz and 100 GHz, much higher than previous generations of mobile networks. This enables a large amount of bandwidth for faster data transfer.

    • Example: Imagine a highway with more lanes to accommodate more cars, leading to smoother and faster traffic.
  • Small cell networks
    Due to the high frequency, mmWave signals have a shorter range and can be easily blocked by obstacles like buildings or trees. To overcome this, 5G networks use small cell base stations placed closer together to provide coverage.

    • Example: Think of a city with many Wi-Fi hotspots to ensure constant connectivity.
  • High capacity
    5G mmWave technology provides high-capacity connections, allowing for more simultaneous users and devices without network congestion. This is particularly useful in densely populated urban areas and at crowded events.

    • Example: A stadium with thousands of people streaming videos and uploading content without any network slowdown.
  • Low latency
    5G mmWave offers low latency, the time it takes for data to travel from sender to receiver, enabling real-time communication and enhanced user experiences in gaming, virtual reality (VR), and augmented reality (AR).

    • Example: Remote surgery performed by a doctor on the other side of the world with near-instant feedback.
  • Enhanced applications
    The combination of high-speed data transfer, low latency, and increased capacity provided by 5G mmWave unlocks new possibilities for advanced applications and technologies like self-driving cars, smart cities, and the Internet of Things (IoT).

    • Example: A fleet of autonomous drones delivering packages with precision and speed.
  • In summary: 5G millimeter wave technology utilizes high-frequency waves, small cell networks, high capacity, low latency, and enhanced applications to deliver ultra-fast data speeds and improved network performance, enabling next-generation applications and experiences.