Configured Grant State Control for Multi-Transport Block NR Uplinks
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing state changes associated with configured grant transmissions of multiple transport blocks, particularly in New Radio (NR) networks, which can lead to inefficiencies and suboptimal resource allocation.
Innovation Solution
Implementing techniques for receiving and transmitting configurations and state change indications related to configured grant transmissions of multiple transport blocks, using downlink control information (DCI) to manage state changes effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If configured grant transmissions use multiple transport blocks, then data transmission capacity is improved, but state change management complexity increases
Solution Approach 1:
The patent segments the state change management by introducing separate indicators for different states (activation, release, retransmission) within the DCI format. Each transport block can be independently controlled through specific indicator fields, allowing granular management of multiple TBs without overwhelming complexity. This segmentation enables the system to handle multiple transport blocks by breaking down the control mechanism into manageable discrete indicators.
2Productivity
If state change indications are transmitted via DCI, then resource allocation efficiency is improved, but control signaling overhead increases
Solution Approach 1:
The DCI format is designed with multi-functionality to handle various state changes (activation, release, retransmission) using a unified structure. The same DCI format can indicate different states through configurable indicator fields, reducing the need for multiple specialized signaling messages. This universal approach allows efficient resource allocation while minimizing redundant control signaling overhead by consolidating multiple functions into a single DCI structure.
3Productivity
If multiple transport blocks are transmitted in configured grant, then spectral efficiency is improved, but error management difficulty increases
Solution Approach 1:
The patent implements feedback mechanisms through HARQ process indicators and state change indications that provide real-time information about the status of each transport block. The DCI includes indicators that feedback the current state (activation, release, retransmission) of each TB, enabling the receiver to accurately track and manage errors across multiple transport blocks. This feedback system maintains spectral efficiency by enabling parallel TB transmission while reducing error management difficulty through structured state information.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration corresponding to a configured grant (CG), wherein the CG is associated with a CG transmission comprising a plurality of transport blocks (TBs). The UE may receive a downlink control information (DCI) transmission comprising at least one state change indication corresponding to at least one state change associated with the CG transmission. Numerous other aspects are described.