Multi-Cell DCI Scheduling for Cross-Carrier Wireless Links
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing multi-cell scheduling and cross-carrier scheduling, particularly in environments with diverse wireless devices and varying capabilities, leading to suboptimal resource allocation and network performance.
Innovation Solution
Implementing enhanced scheduling processes for wireless devices and base stations, utilizing multi-cell scheduling and cross-carrier scheduling techniques, which include advanced protocols and signaling mechanisms to optimize resource allocation and communication efficiency across different technologies and device categories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multi-cell scheduling and cross-carrier scheduling mechanisms are implemented, then resource allocation optimization and communication efficiency are improved, but system complexity and difficulty of managing downlink control information increase
Solution Approach 1:
The patent segments the scheduling system into distinct functional components including a scheduling entity that generates downlink control information and scheduled entities that execute scheduling decisions. This segmentation allows complex multi-cell and cross-carrier scheduling to be broken down into manageable tasks distributed across multiple network entities, reducing overall system complexity while maintaining high communication efficiency
Solution Approach 2:
The patent introduces downlink control information as an intermediary mechanism that carries scheduling decisions from the scheduling entity to scheduled entities. This intermediary structure enables efficient resource allocation across multiple cells and carriers by centralizing control information generation while allowing distributed execution, thus improving communication efficiency without proportionally increasing system complexity
2Reliability
If advanced scheduling techniques are implemented across LTE and 5G NR, then network performance is improved, but implementation difficulty and protocol layer complexity increase
Solution Approach 1:
The patent implements universal scheduling mechanisms that function across both LTE and 5G NR technologies. The scheduling entity and downlink control information structure are designed to be technology-agnostic, allowing the same scheduling framework to operate reliably across different wireless standards. This multi-functionality approach improves network performance by enabling consistent advanced scheduling techniques while reducing implementation difficulty through code reusability and standardized protocols
Solution Approach 2:
The patent employs dynamic scheduling where scheduling decisions, resource allocations, and control information parameters can be adjusted in real-time based on network conditions, user equipment capabilities, and service requirements. This dynamic approach allows the system to optimize network performance adaptively while maintaining ease of implementation through flexible, parameter-driven configurations rather than rigid hard-coded solutions
Data Source
AI summary
A wireless device may receive message(s) comprising configuration parameters of multiple cells. The wireless device may receive a first DCI indicating scheduling information. The wireless device may determine, based at least on one of the first DCI and a second downlink control parameter, whether the first DCI is for scheduling TB(s) via a single cell, in the multiple cells, or for scheduling TBs via the multiple cells. The wireless device may transmit or may receive the TBs via the multiple cells based on the scheduling information and in response to the determining indicating that the first DCI is for scheduling the TBs via the multiple cells.