Dynamic Wireless Traffic Prioritization for Presenter Devices

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Solution Overview

Problem

Wireless deployments often face bandwidth saturation issues when multiple users connect, particularly in scenarios like presentations, where presenters require reliable network connectivity for streaming video or live demonstrations, while other users' devices consume available bandwidth.

Innovation Solution

A method and system that dynamically prioritize network traffic by identifying presenting devices through traffic analysis, explicit advertisements, or local presentation system indications, allowing access points to allocate higher bandwidth to these devices, ensuring uninterrupted connectivity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If all user devices are allowed to connect to the wireless network simultaneously, then the number of connected users increases and network coverage is maximized, but the available bandwidth is rapidly consumed and the presenter experiences insufficient bandwidth

Engineering Contradiction:

Improvenumber of connected usersVSAvoidbandwidth availability for presenter

Core Design Contradiction:

Quantity of substanceVSReliability

Solution Approach 1:

The patent applies local quality by differentiating traffic priority based on device role. Presenting devices are assigned high priority queues for traffic management, while other user devices use standard or low priority queues. This allows the wireless network to provide different service qualities to different devices in the same network, ensuring presenters receive sufficient bandwidth while maintaining connectivity for all users.

Inventive Principle:

Principle #3Local quality

2Ease of operation

If bandwidth is allocated equally to all connected devices, then fairness is maintained among users, but the presenter cannot receive sufficient bandwidth for video streaming or live demonstrations

Engineering Contradiction:

Improvefairness of bandwidth allocationVSAvoidbandwidth sufficiency for presentation

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent implements dynamic bandwidth allocation through Wi-Fi Protected Access 2 (WPA2) Enhanced Open mode, which dynamically adjusts bandwidth allocation based on device identity and activity type. When a presenting device is detected, the system dynamically reconfigures bandwidth allocation to prioritize presentation traffic. This dynamic approach allows the system to maintain fairness during normal operation while automatically providing preferential treatment when presentations are detected, resolving the contradiction between fairness and reliability.

Inventive Principle:

Principle #15Dynamics

3Reliability

If the wireless network prioritizes presenter traffic, then reliable connectivity for presentations is ensured, but the system complexity increases due to traffic classification and prioritization mechanisms

Engineering Contradiction:

Improveconnectivity reliability for presenterVSAvoidnetwork traffic management complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent employs self-service mechanisms where presenting devices automatically indicate their status to the wireless network without requiring manual configuration. The system uses automatic device identification through various methods (explicit indication from presenting devices, analysis of traffic patterns, or detection of presentation software) to trigger priority allocation. This automated self-service approach reduces the complexity burden on network administrators while ensuring reliable presenter connectivity.

Inventive Principle:

Principle #25Self-service

4Productivity

If bandwidth is allocated to accommodate all user devices, then network saturation occurs and presenters experience degraded performance, but reducing bandwidth for general users limits overall network utility

Engineering Contradiction:

Improveoverall network utilityVSAvoidpresentation performance

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent applies partial action by allocating bandwidth priorities selectively rather than uniformly. Presenting devices receive excessive bandwidth allocation (high priority) only when needed for presentations, while other devices operate with standard allocation. This partial prioritization ensures that presentation performance is maintained without permanently reserving excessive bandwidth that would reduce overall network utility during non-presentation periods.

Inventive Principle:

Principle #16Partial or excessive action

Data Source

PatentUS11483248B2Prioritization of wireless traffic of presenter devices

Publication Date: 2022.10.25 CISCO TECHNOLOGY INC

AI summary

Techniques for dynamic prioritization of presenting devices in wireless deployments are provided. Data relating to a transmission between a first device and a second device is received, and the first device is classified as a presenting device for the transmission based on the data relating to the transmission. An access point (AP) providing connectivity to the first device is identified, and the AP is configured to prioritize traffic transmitted from the first device responsive to classifying the first device as the presenting device.