Priority Access Channel Spectrum Management

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Solution Overview

Problem

Current wireless RF communication systems face challenges in efficiently utilizing underutilized portions of the radio spectrum without interfering with licensed communications and ensuring regulatory compliance, particularly in managing access to priority and general access channels.

Innovation Solution

A system that divides the radio spectrum into priority access and general access channels, using a channel database to track available channels and authenticate priority access devices with decryption keys, allowing general access devices to release or reduce transmission power when priority access is detected.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the radio spectrum is divided into priority access and general access channels, then priority access devices can reliably access critical resources, but the system complexity increases due to channel management and authentication requirements

Engineering Contradiction:

Improvepriority access reliabilityVSAvoidchannel management complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The radio spectrum is segmented into distinct priority access channels and general access channels, allowing differentiated access control. Priority access devices are assigned specific channels (e.g., 5GHz band) while general access devices use other channels (e.g., 2.4GHz band), eliminating the need for complex real-time arbitration and simplifying channel management through static allocation.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Channel assignments are determined in advance through preliminary action. The base station pre-configures priority access devices with specific channel information and authentication credentials before they need access. This eliminates the need for complex real-time channel selection and authentication processes during operation.

Inventive Principle:

Principle #10Preliminary action

2Productivity

If general access devices are allowed to aggregate priority access channels, then spectrum utilization improves, but interference with actual priority access devices increases

Engineering Contradiction:

Improvespectrum utilizationVSAvoidinterference to priority access

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The base station acts as an intermediary that monitors the radio environment and manages channel allocation. When a priority access device needs a channel, the base station detects this and instructs general access devices to release or avoid aggregating that channel, thereby preventing interference while maximizing spectrum utilization through dynamic coordination.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The system implements dynamic channel aggregation where general access devices can aggregate priority access channels only when no priority access device is actively using them. The base station continuously monitors channel usage and dynamically adjusts aggregation permissions, allowing spectrum flexibility while preventing harmful interference through real-time coordination.

Inventive Principle:

Principle #15Dynamics

3Reliability

If decryption keys are required for priority access authentication, then access security improves, but the ease of operation decreases due to key management requirements

Engineering Contradiction:

Improveaccess securityVSAvoidauthentication ease

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The authentication credentials (decryption keys) are extracted from the general access devices and exclusively provided to priority access devices by the base station. This simplifies the overall system by removing the need for general access devices to manage complex authentication keys, while still providing strong security for priority access channels through dedicated credential distribution.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS11057929B2Priority access to a priority access channel

Publication Date: 2021.07.06 MICROSOFT TECHNOLOGY LICENSING LLC

AI summary

A system for controlling access to priority access wireless resources divides a radio spectrum into first wireless resources for use by general access devices and second wireless resources for use by priority access devices. A base station receives, from a server, information concerning the first and second wireless resources, including resource entries corresponding to each of the first and second wireless resources. Upon receiving a request for available wireless resources from a general access device, the base station provides one of the resource entries corresponding to the second wireless resources. The system includes a general access device which aggregates resource entries for the first and second resources for communication with another general access device. When the general access device detects priority access to the second resource, the general access device either releases the second resource or reduces transmission power on the aggregated first and second resources.