Bridge Device for Non-Wireless Network Integration

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Solution Overview

Problem

Devices without wireless communication capabilities cannot be directly recognized or connected to IEEE 802.11 networks, as they cannot associate with access points or register their medium access control (MAC) addresses, making it difficult to integrate them into wireless sub-networks.

Innovation Solution

A bridge device is used to detect connections, determine and register MAC addresses for both the device and itself on the wireless network, monitor traffic, program packet filters, and forward relevant packets, allowing the device to communicate through the bridge device's MAC address, effectively emulating two stations on the network.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a device without wireless communication capability is directly connected to a station, then the device can be physically connected to the network, but the device cannot be recognized or registered on the wireless network

Engineering Contradiction:
Improvedevice connectivityVSAvoidnetwork recognition
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent introduces a bridge device as an intermediary between the non-wireless device and the wireless network. The bridge device has wireless communication capability and acts as a mediator that registers both itself and the connected device on the wireless network, allowing the non-wireless device to access the network indirectly through the bridge device's MAC address.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If specific software is used to control the station from the device, then the device can virtually have station functionality, but connecting several devices becomes more difficult

Engineering Contradiction:
Improvedevice controlVSAvoidconnection management
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The bridge device serves as a mediator that handles the complexity of wireless network registration and management. Instead of requiring each device to install and configure specific control software, the bridge device performs the registration function centrally, simplifying the connection process for multiple devices while maintaining ease of operation.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If a bridge device registers both itself and the connected device separately, then both devices can be recognized on the network, but the management information base becomes more complex

Engineering Contradiction:
Improvedevice registrationVSAvoidmanagement information base
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the management information bases of the bridge device and the connected device into a single unified MIB. This allows both devices to be registered and managed together, maintaining separate MAC addresses for identification while consolidating management information to reduce complexity and enable efficient resource sharing.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS7764639B2Method and device for connection of a device to a wireless network
Publication Date: 2010.07.27 INTERDIGITAL CE PATENT HOLDINGS SAS
  • US7764639B2 patent drawing
  • US7764639B2 patent drawing
  • US7764639B2 patent drawing

AI summary

A method for connecting a device to a wireless network; at the level of a bridge device, configure to interface with the wireless network that maintains single management information. The bridge device separately registers, with respective MAC addresses, the device and itself as wireless devices on the wireless network.