NCR Beam Configuration via RRC Signaling for Access-Link Reception
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Solution Overview
Problem
Current communication technologies lack a solution for determining beam-related information on the access link between a network-controlled repeater (NCR) and user equipment (UE) to improve receiving performance.
Innovation Solution
A method and apparatus for determining a beam configuration parameter, involving obtaining radio resource control (RRC) signaling with beam configuration parameters, including periodicity and subcarrier spacing, to establish a target beam configuration parameter for data transmission between the NCR and UE.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beamforming is supported on the access link to improve receiving performance, then receiving performance is improved, but there is no solution for determining beam related information
Solution Approach 1:
The patent introduces RRC signaling as an intermediary mechanism to transmit beam configuration parameters from the base station to the NCR. The RRC signaling carries beam information including beam indices, time resource sets, and associated parameters, enabling the NCR to determine appropriate beam configurations without requiring complex autonomous decision-making capabilities.
Solution Approach 2:
The patent utilizes parameter-based beam configuration where the base station configures multiple sets of beam parameters including beam indices, periodicity, subcarrier spacing, and time resource sets. The NCR selects and applies appropriate parameter sets based on the received RRC signaling, enabling flexible beam management through parameter variation rather than complex structural changes.
2Adaptability or versatility
If multiple sets of beam configuration parameters are configured with different periodicity and SCS, then beam transmission adaptability is improved, but parameter determination complexity increases
Solution Approach 1:
The patent segments beam configuration parameters into distinct sets, where each set contains beam information and associated parameters such as periodicity and subcarrier spacing. This segmentation allows the base station to configure multiple independent parameter sets that can be selectively applied to different transmission scenarios, improving adaptability while maintaining manageable complexity through structured organization.
Solution Approach 2:
The patent implements dynamic beam configuration where the NCR can select different parameter sets based on current transmission conditions. The configuration includes time resource sets with slot offsets and symbol information, enabling dynamic adaptation of beam parameters over time while following a structured selection process defined by the RRC signaling.
Data Source
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AI summary
Provided are a method and an apparatus for determining a beam configuration parameter, and a method and an apparatus for indicating a beam configuration parameter. The method includes: obtaining, by a network controlled repeater (NCR), a radio resource control (RRC) signaling, where the RRC signaling comprises at least one set of beam configuration parameters, each set of beam configuration parameters in the at least one set of beam configuration parameters comprises beam information and a first parameter corresponding to the beam information, and the first parameter comprises at least one of a periodicity or a subcarrier spacing (SCS); and determining, by the NCR, a target beam configuration parameter according to the at least one set of beam configuration parameters, where the target beam configuration parameter is used for data transmission in an access link, and the access link is a transmission link between the NCR and a UE.