18331582. OVERLAPPING DOWNLINK CONTROL CHANNEL AND CELL-SPECIFIC REFERENCE SIGNAL BANDWIDTHS simplified abstract (QUALCOMM Incorporated)

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OVERLAPPING DOWNLINK CONTROL CHANNEL AND CELL-SPECIFIC REFERENCE SIGNAL BANDWIDTHS

Organization Name

QUALCOMM Incorporated

Inventor(s)

Kazuki Takeda of Minato-ku (JP)

Jae Ho Ryu of San Diego CA (US)

Heechoon Lee of San Diego CA (US)

OVERLAPPING DOWNLINK CONTROL CHANNEL AND CELL-SPECIFIC REFERENCE SIGNAL BANDWIDTHS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18331582 titled 'OVERLAPPING DOWNLINK CONTROL CHANNEL AND CELL-SPECIFIC REFERENCE SIGNAL BANDWIDTHS

Simplified Explanation

Methods, systems, and devices for wireless communications are described in this patent application. The abstract explains the following:

  • A user equipment (UE) receives a configuration for a physical downlink control channel (PDCCH) associated with a first radio access technology (RAT).
  • The PDCCH configuration includes a set of time-frequency resources and one or more control channel elements (CCEs).
  • The UE also receives a configuration for a cell-specific reference signal (CRS) associated with a second RAT.
  • The CRS configuration includes a second set of time-frequency resources that overlap with at least one CCE.
  • The UE further receives a demodulation reference signal (DMRS) within a third set of time-frequency resources of a PDCCH.
  • The DMRS configuration is identified based on the PDCCH configuration and the CRS configuration.
  • The third set of time-frequency resources is included within the CCEs of the first set of time-frequency resources but excludes the second set of time-frequency resources.

Potential applications of this technology:

  • Wireless communication systems and networks
  • Mobile devices and user equipment
  • Radio access technologies and protocols

Problems solved by this technology:

  • Efficient allocation and utilization of time-frequency resources in wireless communication systems
  • Coexistence and compatibility of multiple radio access technologies
  • Accurate demodulation and decoding of control signals

Benefits of this technology:

  • Improved performance and reliability of wireless communication systems
  • Enhanced capacity and throughput in multi-RAT environments
  • Seamless integration and interoperability of different radio access technologies


Original Abstract Submitted

Methods, systems, and devices for wireless communications are described. A user equipment (UE) receives a physical downlink control channel (PDCCH) configuration associated with a first radio access technology (RAT), the PDCCH configuration for a first set of time-frequency resources including one or more control channel elements (CCEs). The UE receives a cell-specific reference signal (CRS) configuration associated with a second RAT, the CRS configuration for a second set of time-frequency resources that overlaps with at least one CCE. The UE receives a demodulation reference signal (DMRS) within a third set of time-frequency resources of a PDCCH in accordance with a DMRS configuration that is identified for the third set of time-frequency resources based on the PDCCH configuration and the CRS configuration, the third set of time-frequency resources included within the one or more CCEs of the first set of time-frequency resources exclusive of the second set of time-frequency resources.

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