17754575. Multi-TRP Beam Indication Using TCI State simplified abstract (Apple Inc.)

Multi-TRP Beam Indication Using TCI State

Organization Name

Apple Inc.

Inventor(s)

Yushu Zhang of Beijing (CN)

Chunxuan Ye of San Diego CA (US)

Dawei Zhang of Saratoga CA (US)

Haitong Sun of Cupertino CA (US)

Hong He of San Jose CA (US)

Huaning Niu of San Jose CA (US)

Oghenekome Oteri of San Diego CA (US)

Wei Zeng of Saratoga CA (US)

Weidong Yang of San Diego CA (US)

Multi-TRP Beam Indication Using TCI State - A simplified explanation of the abstract

This abstract first appeared for US patent application 17754575 titled 'Multi-TRP Beam Indication Using TCI State

Simplified Explanation

The patent application describes a user equipment (UE) that is capable of using multiple beams for transmission or reception in a wireless network.

• UE receives MAC control elements (CE) from a base station indicating multiple activated Transmission Configuration Indicator (TCI) states.
• UE also receives downlink control information (DCI) from the base station indicating a subset of TCI states of the multiple activated TCI states.
• The MAC CE and DCI are part of a TCI configuration that maps the subset of TCI states to multiple Transmission and Reception Points (TRPs) in the network.
• UE selects a beam for transmission or reception based on the mapped TCI state of the subset of TCI states.

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1. 1. 1. Potential Applications

• This technology can be applied in 5G and beyond wireless networks for efficient beamforming and communication.

1. 1. 1. Problems Solved

• Enables the UE to efficiently select beams for transmission or reception based on network conditions and configurations.
• Improves the overall performance and reliability of wireless communication.

1. 1. 1. Benefits

• Enhanced network efficiency and capacity.
• Improved signal quality and coverage.
• Better user experience with faster and more reliable connections.

Original Abstract Submitted

A user equipment (UE) is configured to configured to use multiple beams for transmission or reception. The UE receives, from a base station, at least one medium access control (MAC) control element (CE) that indicates multiple activated transmission configuration indicator (TCI) states, receives, from the base station, at least one downlink control information (DCI) indicating a subset of TCI states of the multiple activated TCI states, wherein the MAC CE and the DCI are part of a TCI configuration, and wherein the subset of TCI states corresponds to multiple transmission and reception points (TRPs) of a wireless network, maps the subset of TCI states to the corresponding multiple TRPs based on the TCI configuration and selects a beam used for transmission or reception based on one mapped TCI state of the mapped subset of TCI states.