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anelatek2020 September 12, 2023 No Comments

📍5G Beamforming

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📍5G Beamforming

Beamforming is a signal processing technique used in antenna arrays for directional signal transmission or reception. This is achieved by combining elements in an antenna array in such a way that signals at particular angles experience constructive interference, and signals at other angles experience destructive interference.

Beamforming can be used at both the transmitting and receiving ends to achieve spatial selectivity. In the context of 5G, beamforming plays a crucial role in improving signal quality, reducing interference, and increasing overall network capacity.

》How beamforming works ? Imagine a group of people “antennas” trying to communicate with a friend “your device” in a noisy room “the environment with lots of signal interference”. Instead of everyone shouting at once, they form a line and speak in sequence “phase and amplitude control”, which makes their voice “the signal” clearly heard by their friend, despite the noise.

》In technical terms, here are the steps:

○ The base station “like a cell tower” has multiple antennas – this is known as an antenna array.
○ When data is transmitted, the same signal is sent from each antenna in the array.
○ By carefully adjusting the timing “phase” and strength “amplitude” of each antenna’s signal, the
signals can combine to create a constructive interference “strong signal” in the desired direction.
○ This effectively forms a beam of radio signals focused towards the target device, hence the
term “beamforming”.

》Benefits of Beamforming in 5G

○ Improved Signal Quality By focusing the signal to specific devices, beamforming can significantly improve the signal quality and strength.

○ Increased Capacity With less interference and more directed signals, more devices can connect to the network at the same time.

○ Reduced Interference Since the signals are more focused, they cause less interference to other devices and networks.

○ Energy Efficient Because beamforming focuses the energy in a specific direction rather than scattering it everywhere, it is more energy-efficient.

》Challenges & Solutions of beamforming Beamforming isn’t without its challenges. It needs precise information about the location of the target device, which can be difficult in a mobile environment. But with advanced algorithms and techniques like “beam tracking” and “beam steering”, these challenges can be effectively managed in 5G networks.

Disclaimer – This post has only been shared for an educational and knowledge-sharing purpose related to Technologies. Information was obtained from the source above source. All rights and credits are reserved for the respective owner(s).

Keep learning 📚 and keep growing 📈

Source: LinkedIn

Credits: Mr. Khalid Nour

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