17937269. MULTI-BURST A-TRS FOR LOOP OPERATION ON SSB-LESS SECONDARY CELL IN INTER-BAND CARRIER AGGREGATION simplified abstract (QUALCOMM Incorporated)

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MULTI-BURST A-TRS FOR LOOP OPERATION ON SSB-LESS SECONDARY CELL IN INTER-BAND CARRIER AGGREGATION

Organization Name

QUALCOMM Incorporated

Inventor(s)

Jae Ho Ryu of San Diego CA (US)

Jianghong Luo of Skillman NJ (US)

Konstantinos Dimou of New York City NY (US)

Hung Dinh Ly of San Diego CA (US)

MULTI-BURST A-TRS FOR LOOP OPERATION ON SSB-LESS SECONDARY CELL IN INTER-BAND CARRIER AGGREGATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 17937269 titled 'MULTI-BURST A-TRS FOR LOOP OPERATION ON SSB-LESS SECONDARY CELL IN INTER-BAND CARRIER AGGREGATION

Simplified Explanation

The present disclosure involves a method for a User Equipment (UE) to request and receive A-TRS (Additional-Reference Signal) in a secondary carrier on a different frequency band, improving reception performance of downlink data transmissions.

  • UE requests base station to configure and transmit A-TRS in a secondary carrier on a different frequency band.
  • UE transmits request for A-TRS in a first cell served by an anchor carrier.
  • UE receives A-TRS in a second cell lacking SSB transmissions served by the secondary carrier.
  • Base station controls transmission of A-TRS in the secondary cell based on a timer derived from the request.
  • UE applies AGC and time/frequency tracking loop operations using A-TRS before receiving a PDSCH in the secondary cell.
      1. Potential Applications

- Improved reception performance in downlink data transmissions. - Energy savings in inter-band CA (Carrier Aggregation).

      1. Problems Solved

- Enhancing reception performance in secondary carriers without SSB transmissions. - Efficient utilization of A-TRS for signal processing operations.

      1. Benefits

- Enhanced data transmission reliability. - Improved network energy efficiency. - Better user experience with optimized signal processing.

      1. Potential Commercial Applications
        1. Enhanced Downlink Data Transmission Technology for Mobile Networks
      1. Possible Prior Art

There may be prior art related to optimizing signal processing operations in mobile networks to improve reception performance, but specific implementations involving requesting and receiving A-TRS in a secondary carrier on a different frequency band may be novel.

        1. Unanswered Questions
        2. How does this method impact network latency in data transmissions?

This article does not address the potential impact of the method on network latency in downlink data transmissions.

        1. What are the potential challenges in implementing this method on a large scale in existing mobile networks?

The article does not discuss the potential challenges or limitations in implementing this method on a large scale in current mobile network infrastructures.


Original Abstract Submitted

Aspects of the present disclosure allow a UE to request, in an anchor carrier on one frequency band, a base station to configure and transmit A-TRS in an SSB-less secondary carrier on a different frequency band. The UE transmits, in a first cell served by the anchor carrier, a request for A-TRS. Based on the request, the UE receives, in a second cell lacking SSB transmissions served by the secondary carrier, the A-TRS based on the request. The base station may also control transmission of the A-TRS in the SSB-less secondary cell based on a timer derived from the request. Using the A-TRS, the UE may apply AGC and time/frequency tracking loop operations prior to receiving a PDSCH in the SSB-less secondary cell, thereby improving reception performance of downlink data transmissions in the secondary carrier. Thus, network energy savings provided by SSB-less secondary carriers may be obtained in inter-band CA.