Wireless Terminal Shared Radio Resource Allocation
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Solution Overview
Problem
In wireless communication systems using licensed bands, exclusive radio resources are allocated to terminals to avoid data collisions, but this leads to decreased resource utilization efficiency when the allocated resources are not fully utilized.
Innovation Solution
A wireless communication system where a base station allocates non-exclusive radio resources to terminals, allowing overlapping usage, and terminals perform Listen Before Talk (LBT) before transmitting to avoid collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If exclusive radio resources are allocated to each terminal to avoid data collision, then collision avoidance is improved, but resource utilization efficiency deteriorates
Solution Approach 1:
The patent introduces dynamic resource allocation where terminals can share radio resources dynamically rather than being assigned exclusive resources. The base station schedules transmissions based on real-time channel conditions and terminal needs, allowing flexible resource sharing that improves utilization while maintaining collision avoidance through coordinated scheduling.
Solution Approach 2:
The base station acts as an intermediary that manages resource allocation between terminals. Instead of terminals independently accessing resources (which would cause collisions) or having exclusive dedicated resources, the base station mediates by scheduling and coordinating transmissions, enabling efficient shared resource access without collisions.
2Reliability
If exclusive radio resources are allocated to each terminal, then data collision is prevented, but uplink transmission capacity deteriorates
Solution Approach 1:
The patent merges multiple terminals' transmission needs into a unified resource allocation framework. Instead of allocating separate exclusive resources to each terminal, the system combines resources and uses centralized scheduling to coordinate access, thereby increasing overall uplink transmission capacity while preventing collisions through base station management.
Solution Approach 2:
The system changes the allocation parameter from exclusive/dedicated resources to shared/scheduled resources. By transitioning from a static exclusive allocation model to a dynamic scheduled access model, the system achieves higher transmission capacity while maintaining collision avoidance through parameter-based coordination.
Data Source
AI summary
Provided is a wireless communication system provided with a base station and a plurality of terminals and operated by a licensed band, wherein the base station allocates, to the plurality of terminals, a radio resource for transmission that allows overlapping between the plurality of terminals, and all or some of the plurality of terminals execute listen before talk (LBT) and then perform transmission using the allocated radio resource.