Dynamic Spectrum Sharing via Electronic Token Authorization
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Solution Overview
Problem
Current spectrum management in wireless communication networks is inefficient in sharing allocated radio frequency bands among mobile network operators, leading to congestion and underutilization of available spectrum, especially as demand for 5G services increases.
Innovation Solution
A method for multi-operator spectrum resource sharing management, where a mobile network operator can request and obtain authorization to use frequencies allocated to another operator within the same coverage area through an electronic token system, allowing for dynamic sharing of spectrum resources to meet peak demand.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If spectrum is allocated exclusively to each mobile network operator, then interference between operators is prevented, but spectrum utilization efficiency deteriorates due to underutilization and congestion
Solution Approach 1:
The patent implements dynamic spectrum sharing where frequency allocations are not static but can be temporarily reassigned based on real-time network conditions. Network devices can request and receive temporary authorization to use frequencies allocated to other operators when congestion is detected, creating a dynamic allocation system that adapts to changing traffic demands while maintaining interference prevention through coordinated control
Solution Approach 2:
The patent introduces an intermediary authorization mechanism where network devices communicate with other operators' network devices to request and obtain permission to use their allocated frequencies. This intermediary process allows spectrum sharing while maintaining the original allocation structure, preventing direct interference between operators while improving utilization through coordinated access
2Productivity
If spectrum sharing architecture is implemented to improve utilization, then spectrum efficiency is improved, but system complexity increases making it challenging to manage
Solution Approach 1:
The patent enables network devices to autonomously monitor their own spectrum usage, detect congestion conditions, and initiate requests for additional frequency resources from other operators. This self-service capability reduces the need for complex centralized management systems, as each network device can independently make decisions about when to request shared spectrum based on its own traffic demands
Solution Approach 2:
The patent establishes pre-defined protocols and procedures for spectrum sharing requests, authorizations, and revocations. By having predetermined rules for when and how network devices can access shared frequencies, the system reduces management complexity compared to ad-hoc decision-making, while still enabling flexible spectrum utilization
Data Source
AI summary
Example embodiments relate to spectrum resource sharing management. A first mobile network operator (MNO) network device receives a request for network access from a UE operable to communicate with network devices of a first mobile network operator. The first MNO network device determines whether it has enough bandwidth to meet the UE's request, by determining whether a threshold level of utilization of frequencies in a first frequency range allocated to the first MNO network has been met. In response to a determination that the threshold level has been met, the first MNO network device transmits an electronic token to a second MNO network device in a coverage region of the network device, wherein the electronic token is indicative of a request for authorization to use a frequency in a frequency range that is allocated to a second MNO. The second MNO network device can transmit an authorization for the first MNO network device to use the frequency.