18286311. BASEBAND UNIT, RADIO UNIT AND METHODS IN A WIRELESS COMMUNICATIONS NETWORK simplified abstract (Telefonaktiebolaget LM Ericsson (PUBL))

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BASEBAND UNIT, RADIO UNIT AND METHODS IN A WIRELESS COMMUNICATIONS NETWORK

Organization Name

Telefonaktiebolaget LM Ericsson (PUBL)

Inventor(s)

Chenguang Lu of Sollentuna (SE)

Yezi Huang of Taby (SE)

Miguel Berg of Sollentuna (SE)

Niklas Wernersson of Kungsangen (SE)

BASEBAND UNIT, RADIO UNIT AND METHODS IN A WIRELESS COMMUNICATIONS NETWORK - A simplified explanation of the abstract

This abstract first appeared for US patent application 18286311 titled 'BASEBAND UNIT, RADIO UNIT AND METHODS IN A WIRELESS COMMUNICATIONS NETWORK

Simplified Explanation: The patent application describes a method for a Baseband Unit (BBU) to assist a Radio Unit (RU) in performing beamforming for communication in a wireless network using multiple antennas.

  • The BBU calculates Beamforming Weights (BFWs) for a subset of subcarriers.
  • The BBU transforms the calculated BFWs from frequency domain to tap-domain BFWs.
  • One or more tap-domain BFWs are selected and sent to the RU to assist in beamforming for communication between User Equipment (UE) and the base station.

Key Features and Innovation:

  • Method for assisting RU in beamforming for wireless communication.
  • Calculation of BFWs for subcarriers and transformation to tap-domain BFWs.
  • Selection and transmission of tap-domain BFWs to RU for improved beamforming.

Potential Applications: This technology can be applied in 5G and beyond wireless communication systems, improving signal quality and coverage.

Problems Solved: Addresses the need for efficient beamforming in wireless networks using multiple antennas.

Benefits:

  • Enhanced communication performance.
  • Improved signal quality and coverage.
  • Efficient use of multiple antennas for beamforming.

Commercial Applications: Potential commercial applications include telecommunications infrastructure, IoT networks, and smart city deployments.

Prior Art: Readers can explore prior research on beamforming techniques in wireless communication systems to understand the evolution of this technology.

Frequently Updated Research: Stay updated on advancements in beamforming algorithms and techniques for wireless networks to enhance the performance of this technology.

Questions about Beamforming Technology: 1. How does beamforming improve the efficiency of wireless communication systems? 2. What are the key challenges in implementing beamforming with multiple antennas in wireless networks?


Original Abstract Submitted

A method is provided, performed by a Baseband Unit (BBU) for assisting a Radio Unit (RU) to perform beamforming for a communication between a User Equipment (UE) and a base station in a wireless communications network using a multiple antenna system for communication. The BBU and the RU are associated with the base station. The BBU calculates () respective Beamforming Weights. BFWs, for at least a subset of subcarriers out of a number of subcarriers. The BBU transforms () by a mathematical transformation, the respective calculated BFWs, from frequency domain BFWs to obtain tap-domain BFWs. The BBU select () one or more tap-domain BFWs from said obtained tap-domain BFWs. The BBU sends () to the RU, the selected one or more the tap-domain BFWs. The selected one or more tap-domain BFWs assists the RU to perform beamforming for the communication between the CE and the base station.

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