US Patent Application 17442814. PHYSICAL DOWNLINK CONTROL CHANNEL TRANSMISSION IN WIRELESS COMMUNICATION simplified abstract

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PHYSICAL DOWNLINK CONTROL CHANNEL TRANSMISSION IN WIRELESS COMMUNICATION

Organization Name

Apple Inc.


Inventor(s)

Hong He of San Jose CA (US)

Dawei Zhang of Saratoga CA (US)

Haitong Sun of Cupertino CA (US)

Jie Cui of San Jose CA (US)

Manasa Raghavan of Sunnyvale CA (US)

Wei Zeng of Saratoga CA (US)

Yang Tang of San Jose CA (US)

PHYSICAL DOWNLINK CONTROL CHANNEL TRANSMISSION IN WIRELESS COMMUNICATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 17442814 titled 'PHYSICAL DOWNLINK CONTROL CHANNEL TRANSMISSION IN WIRELESS COMMUNICATION

Simplified Explanation

The patent application describes a method for configuring a search space in a network device, such as a user equipment or a next generation NodeB.

  • The search space is configured with various parameters, including a transmission configuration indicator (TCI) state identifier, a physical downlink control channel (PDCCH) repetition field, and a number of UE-specific search space (USS) repetitions for the PDCCH.
  • The user equipment can perform beam switching in a search space set group (SSSG) based on the TCI states and other parameters like search space set (SSS) index, SSSG index, or a beam switching request (BSR) field value.
  • The physical downlink control channel associated with the search space is transmitted to facilitate beam switching according to the configured search space information element.


Original Abstract Submitted

A user equipment (UE), or other network device (e.g., next generation NodeB (gNB)) component can operate to process or configure a search space information element (IE) that is configured with at least one of: a transmission configuration indicator (TCI) state identifier (ID) of a TCI, or a physical downlink control channel (PDCCH) repetition field indicating a number of PDCCH repetitions, or a number of UE-specific search space (USS) repetitions for the PDCCH. A UE can perform search space set group (SSSG) beam switching based on one or more TCI states and at least one of: a search space set (SSS) index, an SSSG index, or a beam switching request (BSR) field value. A physical downlink control channel (PDCCH) associated with the search space can be transmitted for beam switching according to a search space information element.

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