17805661. METHOD AND APPARATUS FOR APERIODIC REFERENCE SIGNAL TRANSMISSION AND RECEPTION simplified abstract (Samsung Electronics Co., Ltd.)

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METHOD AND APPARATUS FOR APERIODIC REFERENCE SIGNAL TRANSMISSION AND RECEPTION

Organization Name

Samsung Electronics Co., Ltd.

Inventor(s)

Md. Saifur Rahman of Plano TX (US)

Eko Onggosanusi of Coppell TX (US)

METHOD AND APPARATUS FOR APERIODIC REFERENCE SIGNAL TRANSMISSION AND RECEPTION - A simplified explanation of the abstract

This abstract first appeared for US patent application 17805661 titled 'METHOD AND APPARATUS FOR APERIODIC REFERENCE SIGNAL TRANSMISSION AND RECEPTION

Simplified Explanation

The abstract describes a method for operating a user equipment (UE) to receive aperiodic channel state information reference signals (CSI-RS). Here are the key points:

  • The method involves receiving aperiodic CSI-RS configuration information, which includes a CSI-RS triggering offset.
  • The UE also receives downlink control information (DCI) via a physical downlink control channel (PDCCH), which triggers the aperiodic CSI-RS.
  • The CSI-RS triggering offset is determined based on the received CSI-RS configuration information.
  • The CSI-RS triggering offset is configured from a first set when the subcarrier spacing configuration for the PDCCH (μ) is less than the subcarrier spacing configuration for the aperiodic CSI-RS (μ).
  • Conversely, the CSI-RS triggering offset is configured from a second set when μ is greater than μ.
  • The aperiodic CSI-RS is received in a slot KS, which is determined based on the CSI-RS triggering offset, a slot containing the triggering DCI, and the subcarrier spacing configurations (μ and μ).

Potential applications of this technology:

  • This method can be applied in wireless communication systems that use aperiodic CSI-RS for channel state information estimation.
  • It can be used in 5G networks or future generations of wireless networks to improve the accuracy of channel state information.

Problems solved by this technology:

  • The method solves the problem of efficiently receiving aperiodic CSI-RS by determining the appropriate triggering offset based on the received configuration information.
  • It ensures that the aperiodic CSI-RS is received in the correct slot, taking into account the triggering DCI and the subcarrier spacing configurations.

Benefits of this technology:

  • The method simplifies the operation of user equipment for aperiodic CSI-RS reception.
  • It improves the accuracy of channel state information estimation, which can lead to better performance in wireless communication systems.
  • By optimizing the triggering offset, the method enhances the efficiency of aperiodic CSI-RS reception.


Original Abstract Submitted

A method for operating a user equipment (UE) for aperiodic channel state information reference signal (CSI-RS) reception comprises receiving aperiodic CSI-RS configuration information including a CSI-RS triggering offset; receiving downlink control information (DCI) via a physical downlink control channel (PDCCH), where the DCI triggers an aperiodic CSI-RS; and determining the CSI-RS triggering offset based on the CSI-RS configuration information, wherein the CSI-RS triggering offset is configured from a first set when μ<μ, and the CSI-RS triggering offset is configured from a second set when μ>μ, wherein μand μare subcarrier spacing configurations for the PDCCH and the aperiodic CSI-RS, respectively, and receiving the aperiodic CSI-RS in a slot KS determined based on the CSI-RS triggering offset, a slot containing the triggering DCI, and the subcarrier spacing configurations (μand μ).

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