17918635. ADVANCED ANTENNA SYSTEM (AAS) SUBARRAY SPLITTER WITH ADVANCED UPPER SIDELOBE SUPPRESSION (AUSS) simplified abstract (Telefonaktiebolaget LM Ericsson (publ))

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ADVANCED ANTENNA SYSTEM (AAS) SUBARRAY SPLITTER WITH ADVANCED UPPER SIDELOBE SUPPRESSION (AUSS)

Organization Name

Telefonaktiebolaget LM Ericsson (publ)

Inventor(s)

Martin Da Silveira of Ottawa (CA)

Neil Mcgowan of Stittsville (CA)

ADVANCED ANTENNA SYSTEM (AAS) SUBARRAY SPLITTER WITH ADVANCED UPPER SIDELOBE SUPPRESSION (AUSS) - A simplified explanation of the abstract

This abstract first appeared for US patent application 17918635 titled 'ADVANCED ANTENNA SYSTEM (AAS) SUBARRAY SPLITTER WITH ADVANCED UPPER SIDELOBE SUPPRESSION (AUSS)

Simplified Explanation

The patent application describes a method and apparatus for an advanced antenna system subarray splitter with improved upper sidelobe suppression. The antenna system includes multiple antenna subarrays, each with a subarray input. The subarray splitter is in communication with the subarray input and splits the subarray into multiple branches.

  • The subarray splitter includes a phase taper function and an amplitude taper function in at least one of the branches.
  • The phase taper function and the amplitude taper function consist of fixed phase values and fixed amplitude values, respectively.
  • These values are configured to ensure that the predetermined sidelobe suppression target is not exceeded for a range of electrical tilt angles across the antenna subarray.

Potential applications of this technology:

  • Wireless communication systems
  • Radar systems
  • Satellite communication systems

Problems solved by this technology:

  • Improved upper sidelobe suppression in antenna systems
  • Reduction of interference and noise in wireless communication
  • Enhanced signal quality and accuracy in radar and satellite systems

Benefits of this technology:

  • More efficient and reliable antenna systems
  • Improved signal reception and transmission
  • Enhanced performance in various environmental conditions


Original Abstract Submitted

Methods and apparatuses are provided for advanced antenna system subarray splitter having advanced upper sidelobe suppression. An antenna system includes a plurality of antenna subarrays. Each of the plurality of antenna subarrays having a subarray input; and at least one subarray splitter in communication with the subarray input. Each of the at least one subarray splitter splits a subarray into a plurality of branches, at least one of the branches including a phase taper function and an amplitude taper function. For each of the plurality of antenna subarrays, the phase taper function and the amplitude taper function includes a plurality of fixed phase values and a plurality of fixed amplitude values, respectively, that are configured to not exceed a predetermined sidelobe suppression target for a plurality of electrical tilt angles across a predetermined angular range for the antenna subarray of the plurality of antenna subarrays.

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