17998107. INDICATION OF DOPPLER PRE-COMPENSATION IN MULTI-TRANSMISSION RECEPTION POINT COMMUNICATIONS simplified abstract (QUALCOMM Incorporated)

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INDICATION OF DOPPLER PRE-COMPENSATION IN MULTI-TRANSMISSION RECEPTION POINT COMMUNICATIONS

Organization Name

QUALCOMM Incorporated

Inventor(s)

Muhammad Sayed Khairy Abdelghaffar of San Jose CA (US)

Alexandros Manolakos of Escondido CA (US)

Yu Zhang of San Diego CA (US)

INDICATION OF DOPPLER PRE-COMPENSATION IN MULTI-TRANSMISSION RECEPTION POINT COMMUNICATIONS - A simplified explanation of the abstract

This abstract first appeared for US patent application 17998107 titled 'INDICATION OF DOPPLER PRE-COMPENSATION IN MULTI-TRANSMISSION RECEPTION POINT COMMUNICATIONS

Simplified Explanation

The patent application describes methods, systems, and devices for wireless communications. It focuses on a user equipment (UE) receiving reference signals from multiple transmission reception points (TRPs) and estimating Doppler shifts associated with each TRP. The UE can also receive Doppler pre-compensated downlink transmissions based on a Doppler pre-compensation indication.

  • The UE receives a first reference signal from a first TRP and a second reference signal from a second TRP.
  • It estimates a first Doppler shift associated with the first TRP based on the first reference signal.
  • It estimates a second Doppler shift associated with the second TRP based on the second reference signal.
  • The UE can receive a first Doppler pre-compensated downlink transmission from the first TRP and a second Doppler pre-compensated downlink transmission from the second TRP.
  • The Doppler pre-compensation indication indicates whether the downlink transmissions are Doppler pre-compensated.

Potential Applications

  • This technology can be applied in wireless communication systems, such as cellular networks, to improve the quality and reliability of communication between user equipment and transmission reception points.
  • It can be used in various industries that rely on wireless communication, including telecommunications, transportation, and IoT.

Problems Solved

  • Doppler shifts can cause signal degradation and interference in wireless communication systems, leading to reduced performance and reliability.
  • Estimating and compensating for Doppler shifts accurately is crucial for maintaining the quality of wireless communication.

Benefits

  • By estimating Doppler shifts associated with different transmission reception points, the user equipment can adapt its reception and transmission accordingly, reducing signal degradation and interference.
  • The ability to receive Doppler pre-compensated downlink transmissions improves the overall quality and reliability of wireless communication.
  • This technology enhances the performance of wireless communication systems, leading to better user experience and increased efficiency in various industries.


Original Abstract Submitted

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first reference signal from a first transmission reception point (TRP) and a second reference signal from a second TRP. The UE may estimate a first Doppler shift associated with the first TRP based on receiving the first reference signal and may estimate a second Doppler shift associated with the second TRP based on receiving the second reference signal. In some cases, the UE may receive a first Doppler pre-compensated downlink transmission from the first TRP and a second Doppler pre-compensated downlink transmission from the second TRP based on a Doppler pre-compensation indication that indicates whether the downlink transmissions are Doppler pre-compensated.

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