Network Access Device Adaptive Wake-Up Engine

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Solution Overview

Problem

Network access devices in enterprises are often powered on continuously, leading to unnecessary power consumption during non-use hours, which is wasteful and costly, and existing scheduling systems may disrupt service by turning off devices when users are still accessing the network.

Innovation Solution

Implementing adaptive power management in network access devices that enter a sleep mode with only the receiver and detection engine active, waking up on-demand when a client requests association, allowing seamless connectivity and reducing power consumption by selectively powering on and off based on usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If network access devices are powered on continuously, then network availability is improved, but power consumption increases

Engineering Contradiction:

Improvenetwork availabilityVSAvoidpower consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The network access device dynamically transitions between sleep mode and active state based on real-time detection of client association requests. The device is not statically powered on or off, but adapts its operational state according to actual usage needs, resolving the contradiction between continuous availability and power consumption.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The device performs preliminary actions by maintaining a minimal listening state (sleep mode) where the receiver remains active to detect association requests. This preliminary detection capability allows the device to wake up only when needed, avoiding full power consumption while maintaining the ability to provide network access when required.

Inventive Principle:

Principle #10Preliminary action

2Use of energy by moving object

If network access devices enter sleep mode to save power, then power consumption is reduced, but service continuity may be disrupted

Engineering Contradiction:

Improvepower consumptionVSAvoidservice continuity

Core Design Contradiction:

Use of energy by moving objectVSReliability

Solution Approach 1:

The device segments its operational components into different power states. The receiver and detection engine remain active in sleep mode to detect association requests, while other components are powered down. This segmentation allows the device to maintain essential detection capabilities without consuming full power, and to transition smoothly to full operation when needed, avoiding service disruption.

Inventive Principle:

Principle #1Segmentation

3Use of energy by moving object

If scheduling systems turn off devices during non-use hours, then power consumption is reduced, but user access may be interrupted

Engineering Contradiction:

Improvepower consumptionVSAvoiduser access

Core Design Contradiction:

Use of energy by moving objectVSEase of operation

Solution Approach 1:

The device autonomously determines when to wake up based on detecting client association requests, eliminating the need for predetermined scheduling. The system serves itself by automatically transitioning from sleep mode to active state in response to actual user needs, ensuring user access is never interrupted while still achieving power savings during non-use periods.

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS10187778B2Waking network access devices based on requests for association

Publication Date: 2019.01.22 HEWLETT PACKARD ENTERPRISE DEV LP

AI summary

In one example in accordance with the present disclosure a network access device is described. The network access device includes a radio with a transmitter and receiver to transmit and receive network signals. The device also includes a detection engine to detect a request for association with the network access device. The device further includes a wake-up engine to selectively wake the network access device from a sleep mode when a request for association with the network access device is detected.