Dynamic Uplink Spectrum Sharing for Wireless Networks
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Solution Overview
Problem
The inefficiency in using statically allocated air interface resources in wireless communication systems leads to wasted resources, particularly when one base station has unused resources while another is at capacity, reducing the overall capacity and reliability of wireless networks.
Innovation Solution
Implementing enhanced uplink spectrum sharing by dynamically reallocating statically allocated air interface resources between base stations using different Radio Access Technologies (RATs), allowing unused resources to be utilized by other devices, thereby improving resource efficiency and network reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If statically allocated air interface resources are used to guarantee resource availability for each base station, then resource reliability is improved, but resource utilization efficiency deteriorates
Solution Approach 1:
The patent implements dynamic resource allocation by allowing base stations to borrow statically allocated air interface resources from other base stations when those resources are not being used. This transforms the static allocation model into a dynamic one where resources can be reallocated in real-time based on actual usage needs, resolving the contradiction between guaranteed availability and efficient utilization.
Solution Approach 2:
The patent enables air interface resources to serve multiple functions and multiple base stations. A statically allocated resource for Base Station A can simultaneously serve as an available resource for Base Station B when not in use by A, making the resource universal and multi-functional rather than dedicated to a single base station.
2Ease of manufacture
If statically allocated resources are assigned to each base station, then resource allocation simplicity is improved, but overall network capacity deteriorates
Solution Approach 1:
The patent merges the resource pools of multiple base stations by allowing them to share statically allocated resources. Instead of maintaining separate, isolated resource allocations for each base station, the system combines the resource pools and allows flexible borrowing, thereby increasing overall network capacity while maintaining allocation simplicity through the standardized borrowing mechanism.
3Stability of the object's composition
If unused air interface resources remain allocated to a base station, then resource allocation stability is improved, but resource waste increases
Solution Approach 1:
The patent implements a feedback mechanism where base stations monitor the usage status of their statically allocated resources and communicate availability information to other base stations. When a base station has unused resources, this information is fed back to the network, enabling other base stations to borrow these resources, thereby eliminating waste while maintaining allocation stability through the formal borrowing protocol.
Data Source
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AI summary
Techniques and apparatuses are described for enhanced uplink spectrum sharing. A base station communicates (605), to a user equipment, UE, an air interface resource configuration for a second air interface resource allocated to a second cell that uses a second radio access technology, RAT, and implemented by the base station. The base station receives (610) a first air interface resource configuration for a first air interface resource allocated to a first cell that uses a first RAT, where the first air interface resource configuration differs from the second air interface resource configuration. In aspects, the base station communicates (615) the first air interface resource configuration to the UE. Based on receiving (620) a low-utilization indication for the first air interface resource, the base station directs (625) the UE to utilize the first air interface resource for transmitting uplink communications using the second RAT.