US Patent Application 18032675. ENABLING 1024-QAM FOR NR PDSCH simplified abstract

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ENABLING 1024-QAM FOR NR PDSCH

Organization Name

Telefonaktiebolaget LM Ericsson (publ)

Inventor(s)

Ajit Nimbalker of Dublin CA (US)

Kazuyoshi Uesaka of Kawasaki (JP)

ENABLING 1024-QAM FOR NR PDSCH - A simplified explanation of the abstract

This abstract first appeared for US patent application 18032675 titled 'ENABLING 1024-QAM FOR NR PDSCH

Simplified Explanation

This patent application discusses methods and apparatus for enabling 1024-constellation Quadrature Amplitude Modulation (1024-QAM). Here are the key points:

  • The method involves configuring a User Equipment (UE) to monitor a Physical Downlink Control Channel (PDCCH) using two specific DCI formats.
  • The UE is also configured with higher-layer parameters that indicate the enabling of a 1024-QAM Modulation and Coding Scheme (MCS) table for a specific serving cell.
  • The method includes detecting a DCI format that schedules a Physical Downlink Shared Channel (PDSCH) for the serving cell. This DCI format includes an MCS index that determines the transport block size (TBS) of the PDSCH using the 1024-QAM MCS table.
  • The method further involves determining a reference block size for Low Block Redundancy Mapping (LBRM) for a transport block on the PDSCH based on a reference modulation order determined by the higher-layer parameters.
  • The PDSCH is received on a Downlink (DL) Bandwidth Part (BWP) and then decoded based on the determined TBS and the determined reference block size for LBRM.


Original Abstract Submitted

Methods and apparatus for enabling 1024-constellation Quadrature Amplitude Modulation (1024-QAM) are disclosed herein. In one embodiment, a method comprises receiving information for configuring a UE to monitor a PDCCH according to two non-fallback DCI formats, and information for configuring the UE with higher-layer parameters indicating the enabling of a 1024-QAM MCS table for a serving cell. The method also comprises detecting a DCI format scheduling a PDSCH for the serving cell, wherein the DCI format comprises an MCS index; determining a transport block size (TBS) of the PDSCH using the MCS index and the 1024-QAM MCS table; determining a reference block size for LBRM for a transport block on the PDSCH based on a reference modulation order based on the higher-layer parameters; receiving the PDSCH on a Downlink (DL) Bandwidth Part (BWP); and decoding the PDSCH based on the determined TBS and the determined reference block size for LBRM.

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