Dynamic Feedback Scheduling in mmW-RAT Networks
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Solution Overview
Problem
Current resource allocation methods for feedback signals in mmW-RAT networks are static and not suitable for the evolving mobile communication technologies, leading to inefficiencies in resource utilization and reliability.
Innovation Solution
A method and device for dynamically scheduling feedback signals by determining a resource element within a feedback time limit dependent on the type of resource and traffic, allowing for flexible resource allocation and improved reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed, predefined resource allocation for ACK/NACK feedback signals is used, then resource allocation is simple and standardized, but flexibility and adaptability to different network conditions are poor
Solution Approach 1:
The patent applies dynamics by transitioning from static, fixed resource allocation to dynamic scheduling where feedback signal resources are allocated based on real-time network conditions, traffic types, and resource availability. The base station dynamically determines resource elements for feedback signals rather than using predetermined fixed allocations, enabling adaptation to varying network states while maintaining manageable complexity through structured scheduling procedures.
2Productivity
If shared resources are used for multiple links, then link throughput is increased, but interference between links increases and reliability decreases
Solution Approach 1:
The patent applies local quality by differentiating resource allocation strategies based on local network conditions and feedback signal types. Different resource elements are allocated to different feedback signals (ACK/NACK) depending on their specific requirements, traffic types, and interference conditions. This allows shared resources to be used where appropriate for throughput while ensuring reliable resources are allocated where feedback signal reliability is critical, creating localized optimization rather than uniform allocation.
3Reliability
If dedicated resources are allocated to ensure reliability, then feedback signal reliability is improved, but resource utilization efficiency decreases
Solution Approach 1:
The patent applies universality by creating a multi-functional resource allocation framework where the same resource allocation mechanism serves multiple purposes: ensuring feedback signal reliability, optimizing resource utilization efficiency, and adapting to different traffic types. The structured scheduling approach allows resources to be universally managed across different feedback signals and network conditions, achieving both reliability and efficiency through a unified system rather than separate dedicated and shared resource pools.
4Loss of time
If feedback time limit is shortened to ensure timely feedback, then responsiveness is improved, but scheduling flexibility is reduced
Solution Approach 1:
The patent applies parameter changes by making the feedback time limit a variable parameter rather than a fixed constraint. The scheduling mechanism adjusts time limits dynamically based on network conditions, traffic types, and resource availability. This allows the system to shorten time limits when timely feedback is critical while extending them when flexibility is needed, optimizing the balance between responsiveness and scheduling flexibility through parameter adaptation rather than fixed constraints.
Data Source
AI summary
The present disclosure provides a method in a communication device for scheduling of feedback. The method includes determining, for a data transmission, a resource element to be scheduled for a feedback signal being responsive to the data transmission. The resource element is determined to be within a feedback time limit. The feedback time limit indicates a maximum allowable time period between transmitting the data transmission and receiving the feedback signal. The feedback time limit is dependent on a type of resource allocated to the data transmission and/or a type of traffic associated with the data transmission. The method further includes transmitting, to a wireless device, a feedback scheduling instruction indicating the resource element.