Self-Coordinated Wi-Fi Deployment Avoiding PtPR Interference

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Solution Overview

Problem

Current methods for deploying outdoor Wi-Fi systems are too slow and expensive for small commercial providers, as they require strict FCC regulation and registration processes to avoid interfering with existing Point-to-Point Receivers (PtPRs) in the C-band frequency range, which is not feasible for small-scale operations.

Innovation Solution

A self-coordinated registration method that ensures new outdoor Wi-Fi equipment does not interfere with PtPRs by determining protection zones and adjusting transmission parameters, such as reducing power or changing frequency channels, to prevent interference with licensed PtPR systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional FCC registration processes are used to deploy outdoor Wi-Fi systems, then interference with PtPRs is avoided, but deployment speed and cost increase significantly

Engineering Contradiction:

Improveinterference avoidanceVSAvoiddeployment speed

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The Wi-Fi system performs self-registration by automatically determining protection zones around PtPRs using their known locations and transmission parameters. The system autonomously calculates whether deployment locations fall within these zones and adjusts accordingly, eliminating the need for manual FCC registration processes while ensuring interference avoidance.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system pre-determines protection zones around PtPRs before deployment begins. By having this information available in advance, the Wi-Fi system can quickly make deployment decisions without undergoing time-consuming registration processes, thus improving deployment speed while maintaining reliability.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If protection zones are calculated and transmission parameters are adjusted to avoid PtPRs, then interference is prevented, but system complexity increases

Engineering Contradiction:

Improveinterference preventionVSAvoidregistration process complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical/bureaucratic FCC registration process with an automated computational system. The system uses algorithms to calculate protection zones based on PtPR locations and transmission parameters, automatically determining safe deployment areas without human intervention or complex regulatory procedures.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system dynamically adjusts transmission parameters such as frequency channel selection and transmission power based on the calculated protection zones. By changing these parameters automatically, the system prevents interference with PtPRs while maintaining operational simplicity for the end user.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS10823822B2System and method for deploying self-coordinated devices in an environment with incumbent receivers

Publication Date: 2020.11.03 HIGHER GROUND LLC

AI summary

A system in accordance with one aspect mitigates interference with PtPRs (Point to Point Receivers) that may be caused by a Wi-Fi base station or terminal devices associated with the Wi-Fi base station.