Group Common PDSCH Beam Segmentation for Reliable NR Transmission
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Solution Overview
Problem
In wireless communication systems, particularly in 3GPP NR, efficiently transmitting group common PDSCHs to UEs in diverse beam environments is challenging due to changes in UE movement and beam/TRP reception, making dynamic group common PDSCH transmission difficult.
Innovation Solution
A method and apparatus for efficient wireless signal transmission/reception procedures, including beam management and group common SPS transmission, allowing the base station to manage beam changes and optimize unicast scheduling based on UE-specific conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the base station provides group common PDSCH transmission in a multi-beam environment, then coverage area is improved, but transmission reliability deteriorates due to beam changes and TRP variations
Solution Approach 1:
The patent segments the group common PDSCH transmission into multiple beam-specific instances. Each beam is configured with its own PDSCH transmission parameters, allowing the base station to independently manage transmission for each beam direction. This segmentation enables the system to maintain reliable transmission to UEs in different beam directions simultaneously while managing the complexity of multi-beam environments through structured configuration.
2Adaptability or versatility
If dynamic group common PDSCH transmission is implemented to adapt to UE movement, then adaptability is improved, but system complexity increases
Solution Approach 1:
The patent implements dynamic characteristics by allowing the base station to configure different PDSCH transmission parameters for different beams and to activate/deactivate specific beam configurations based on UE presence and movement. The system can dynamically adjust transmission parameters such as modulation and coding scheme, resource allocation, and beam direction based on real-time UE conditions, thereby adapting to UE movement while managing complexity through parameterized configuration.
3Area of stationary object
If multiple group common PDSCHs are provided for different beams, then coverage is improved, but scheduling efficiency deteriorates
Solution Approach 1:
The patent applies preliminary action by pre-configuring beam-specific PDSCH transmission parameters and resource allocations before actual transmission occurs. The base station prepares and stores configuration information for multiple beams in advance, including resource block assignments, modulation parameters, and timing information. This preliminary configuration allows the system to quickly activate appropriate beam configurations without complex real-time scheduling decisions, thereby improving scheduling efficiency while maintaining multi-beam coverage.
Data Source
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AI summary
Various embodiments of the present disclosure relate to a next-generation wireless communication system for supporting high data transfer rates beyond the 4th generation (4G) wireless communication system. According to the various embodiments, a method of transmitting and receiving signals in a wireless communication system and apparatus for supporting the same may be provided.