17276308. IMPROVING PHYSICAL RANDOM-ACCESS CHANNEL (PRACH) ROBUSTNESS AGAINST INTERFERENCE simplified abstract (Telefonaktiebolaget LM Ericsson (publ))

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IMPROVING PHYSICAL RANDOM-ACCESS CHANNEL (PRACH) ROBUSTNESS AGAINST INTERFERENCE

Organization Name

Telefonaktiebolaget LM Ericsson (publ)

Inventor(s)

Jingya Li of GÖTEBORG (SE)

Naga Vishnu Kanth Irukulapati of VÄSTRA FRÖLUNDA (SE)

[[:Category:Sebastian Fax�r of STOCKHOLM (SE)|Sebastian Fax�r of STOCKHOLM (SE)]][[Category:Sebastian Fax�r of STOCKHOLM (SE)]]

Henrik Sahlin of MÖLNLYCKE (SE)

Mårten Sundberg of ÅRSTA (SE)

IMPROVING PHYSICAL RANDOM-ACCESS CHANNEL (PRACH) ROBUSTNESS AGAINST INTERFERENCE - A simplified explanation of the abstract

This abstract first appeared for US patent application 17276308 titled 'IMPROVING PHYSICAL RANDOM-ACCESS CHANNEL (PRACH) ROBUSTNESS AGAINST INTERFERENCE

Simplified Explanation

The patent application describes methods for configuring a physical random-access channel (PRACH) in a time-division-duplexed (TDD) radio access network (RAN). The methods aim to address the issue of remote interference in the cell.

  • The methods involve determining an increase in remote interference in the cell.
  • In response to the increase, a more robust PRACH configuration is selected from a subset of available configurations.
  • The selected PRACH configuration is then communicated to user equipment (UEs) for accessing the cell via the PRACH.

Potential applications of this technology:

  • Mobile network operators can use this technology to improve the performance and reliability of their TDD radio access networks.
  • It can be applied in various wireless communication systems that utilize TDD technology.

Problems solved by this technology:

  • Remote interference in a cell can degrade the performance of the PRACH, leading to communication issues and reduced network capacity.
  • By selecting a more robust PRACH configuration, the impact of remote interference can be minimized, improving the overall network performance.

Benefits of this technology:

  • Enhanced reliability and performance of the PRACH in TDD radio access networks.
  • Improved network capacity and reduced communication issues caused by remote interference.
  • Better user experience for mobile network subscribers.


Original Abstract Submitted

Embodiments include methods, performed by a network node, for configuring a physical random-access channel (PRACH) of a cell in a time-division-duplexed (TDD) radio access network (RAN). The methods include determining an increase in a level of remote interference in the cell and, in response to determining the increase, selecting a first PRACH configuration from a first subset of available PRACH configurations. The first subset of available PRACH configurations can be more robust against remote interference than a second subset of the available PRACH configurations, and the first subset can be exclusive of the second subset. The methods also include transmitting, to one or more user equipment (UEs) first information indicating that the first PRACH configuration should be used for accessing the cell via the PRACH. Embodiments also include complementary methods performed by UEs, as well as network nodes and UEs configured to perform such methods.

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