Single DCI Scheduling Multiple Transport Blocks
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless communication technologies face inefficiencies in scheduling multiple transport blocks (TBs) and hybrid automatic repeat request (HARQ) processes, particularly in scenarios requiring large data transmission and poor coverage, where existing methods either fail to optimize throughput or increase DCI decoding complexity.
Innovation Solution
The implementation of a new downlink control information (DCI) design that allows for the scheduling of multiple TBs using a single DCI, incorporating parameters such as precoding information, demodulation reference signals, and power control, to optimize HARQ processes and reduce the need for excessive repetitions, thereby enhancing transmission efficiency and reducing DCI size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple transport blocks are scheduled using separate DCI messages, then each TB can be independently controlled, but the DCI decoding complexity and overhead increase significantly
Solution Approach 1:
The patent combines multiple DCI messages into a single DCI structure that schedules multiple transport blocks simultaneously. This single DCI contains resource allocation information, MCS indicators, and other control parameters that apply to multiple TBs, thereby reducing the number of DCI decoding operations required while maintaining the ability to independently control each TB through separate field indicators within the unified DCI structure.
Solution Approach 2:
The DCI structure is designed to serve multiple functions simultaneously: it schedules multiple transport blocks, provides resource allocation for each TB, indicates modulation and coding schemes, and manages HARQ processes all within a single control message. This multi-functional DCI design reduces overhead and decoding complexity while preserving fine-grained control capabilities.
2Adaptability or versatility
If multiple DCI messages are used to schedule multiple TBs, then each TB can be individually optimized, but the signaling overhead increases
Solution Approach 1:
The patent merges multiple DCI messages into a single consolidated DCI structure that schedules multiple transport blocks. This unified structure contains shared control information (such as resource allocation patterns, common MCS indicators, and timing information) that applies to multiple TBs, thereby reducing redundant signaling overhead while maintaining the ability to individually optimize each TB through dedicated fields within the same DCI message.
3Reliability
If excessive repetitions are used to ensure reliable DCI decoding in poor coverage, then decoding reliability improves, but transmission efficiency decreases
Solution Approach 1:
The patent combines multiple DCI scheduling messages into a single DCI structure, which reduces the total number of DCI transmissions required to schedule multiple transport blocks. This consolidation maintains decoding reliability by ensuring that all necessary control information for multiple TBs is delivered in a single reliable transmission, thereby improving transmission efficiency by eliminating redundant repetition sequences that would otherwise be needed for each individual DCI message.
Data Source
AI summary
A method, system and apparatus are disclosed. A network node configured to communicate with a wireless device (WD) is provided. The network node is configured to, and/or includes a radio interface and/or includes processing circuitry configured to transmit a downlink control information (DCI) to the wireless device where the DCI is configured to schedule a plurality of transport blocks (TBs) where the DCI including at least one parameter that is configured to be applied to the plurality of TBs, and perform communications based on the transmitted DCI.