Forward Packet Resource Selection for Time-Bound Follow-Up Operations
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Solution Overview
Problem
Existing wireless communication systems fail to ensure compliance with time constraints related to operations following the transmission of a message, such as retransmissions or response messages, due to unpredictable radio resource availability and varying round-trip times.
Innovation Solution
A method for selecting radio resources that ensures availability of resources for subsequent operations by associating a first set of resources for the initial message with a second set of resources for follow-up operations within a defined time window, optimizing resource selection to meet time constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If radio resources are selected only for sending the initial message, then resource allocation is simple, but time constraints for subsequent operations cannot be guaranteed
Solution Approach 1:
The patent applies preliminary action by selecting and reserving radio resources for subsequent operations (retransmissions, measurements, response messages) in advance, before the actual operations are performed. This ensures that when the operations need to be executed, the necessary radio resources are already allocated and available, guaranteeing time constraint compliance without adding complexity at the moment of operation execution.
Solution Approach 2:
The patent segments the radio resource selection process into multiple stages: initial message transmission resources, and subsequent operation resources (retransmission resources, measurement resources, response resources). Each segment is independently selected and managed, allowing the system to ensure time constraints for each operation type while maintaining overall resource allocation efficiency.
2Reliability
If radio resources are reserved for all possible subsequent operations, then time constraints are guaranteed, but radio resource waste increases
Solution Approach 1:
The patent applies local quality by selectively allocating radio resources based on the specific type and requirements of each subsequent operation. Instead of uniformly reserving resources for all possible operations, the system tailors the resource allocation to the actual needs of retransmissions, measurements, and response messages, ensuring time constraints are met only where necessary while minimizing overall resource consumption.
3Productivity
If radio resources are selected without considering future availability, then resource selection is fast, but round-trip time varies significantly
Solution Approach 1:
The patent resolves this contradiction by performing preliminary action in the resource selection phase: the system evaluates and selects radio resources for subsequent operations in advance, considering their future availability. This upfront planning ensures that when operations need to be executed, suitable resources are already reserved, maintaining both fast resource selection and stable round-trip time by avoiding last-minute resource searches and delays.
Data Source
AI summary
The invention relates to a method, comprising: obtaining a first set of radio resources available to send a forward packet from a first user equipment; obtaining a second set of radio resources available to perform an operation related to the forward packet; selecting, among said first set of radio resources, a first radio resource having a first time so that at least one second radio resource from the second set is comprised in a time window having a lower bound after said first time and an upper bound defined according to at least one of said forward packet; sending, by the first user equipment, said forward packet using said first radio resource.