Multi-Transport Block Repetition With Single-Grant Scheduling
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently scheduling and transmitting multiple transport blocks (TBs) with different quality of service (QoS) requirements using a single scheduling grant, leading to inefficiencies and potential interference.
Innovation Solution
Implementing mechanisms for multi-TB communication that allow different TBs to be scheduled with a single scheduling grant, using varying time-domain configurations and resource allocations to accommodate diverse QoS needs, thereby enhancing reliability and optimizing network resource use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple transport blocks are scheduled with a single scheduling grant, then network resource efficiency is improved, but scheduling complexity and potential interference increase
Solution Approach 1:
The patent segments the scheduling process by introducing separate time-domain configuration parameters for each transport block within a single scheduling grant. This allows the scheduler to independently control the time-domain allocation of multiple TBs, reducing interference while maintaining resource efficiency. The segmentation is achieved through distinct configuration fields in the scheduling grant that specify different time-domain characteristics for each TB.
Solution Approach 2:
The patent applies local quality by allowing different time-domain configurations for different transport blocks. Each TB can have its own specific time-domain parameters (such as starting symbol, length, or repetition count) tailored to its QoS requirements. This enables fine-grained control over the scheduling of multiple TBs, optimizing resource allocation while managing complexity through structured configuration fields.
2Reliability
If transport block repetition is used to improve reliability, then communication reliability is improved, but transmission time and resource consumption increase
Solution Approach 1:
The patent introduces dynamic control over transport block repetition through the time-domain configuration parameters. The number of repetitions, starting symbols, and durations can be dynamically adjusted based on QoS requirements and channel conditions. This dynamic adaptation allows the system to optimize between reliability and transmission time by configuring repetitions only when and where needed, rather than using fixed repetition schemes.
Solution Approach 2:
The patent changes the parameters of transport block transmission by introducing variable time-domain configuration fields in the scheduling grant. These parameters include the number of repetitions, starting time offsets, and duration for each TB. By varying these parameters, the system can adapt the repetition scheme to balance reliability improvement with minimal time consumption, allowing flexible control over the trade-off between the two objectives.
3Adaptability or versatility
If different time-domain configurations are used for different transport blocks, then QoS requirements are better met, but scheduling complexity increases
Solution Approach 1:
The patent achieves universality by designing a scheduling grant structure that can accommodate multiple transport blocks with different QoS requirements through a unified framework. The scheduling grant includes multiple time-domain configuration fields that can be filled with different parameters for each TB, allowing the same scheduling mechanism to handle diverse QoS needs. This multi-functional approach enables the system to adapt to various QoS requirements without requiring separate scheduling mechanisms for each TB type.
Data Source
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AI summary
A method for multi-transport block (TB) communication performed by a user equipment (UE) includes: receiving, from a base station (BS), a multi-transport block (TB) repetition configuration indicating a first number of repetitions and a second number of repetitions; receiving, from the BS, downlink control information (DCI) indicating a time-domain configuration for a first TB and a second TB, wherein the first TB and the second TB are associated with a same scheduling grant; communicating, with the BS based on the multi-TB repetition configuration and the time-domain configuration: the first number of repetitions of the first TB; and the second number of repetitions of the second TB.