WLAN SSID Encoding for Cross-Platform Display Compatibility

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Solution Overview

Problem

In Wireless Local Area Networks (WLANs), SSIDs containing Chinese characters often result in messy code displays on terminal devices due to incompatible character encoding forms across different system platforms, leading to confusion and resource inefficiencies.

Innovation Solution

Encoding SSIDs according to preset character encoding forms for various system platforms, such as Windows and universal encoding forms, to generate compatible codes for broadcasting, allowing terminal devices to select and display SSIDs correctly, and calculating statistics for accurate network management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If SSIDs containing Chinese characters are broadcasted without encoding, then the SSID can be displayed on terminal devices, but messy code displays occur due to incompatible character encoding forms across different system platforms

Engineering Contradiction:
Improvecompatibility across system platformsVSAvoiddisplay accuracy of SSID
Core Design Contradiction:
Adaptability or versatilityVSLoss of information

Solution Approach 1:

The patent applies preliminary action by encoding the SSID in multiple character encoding forms (such as GBK, UTF-8, Big5) before broadcasting. The communication device prepares various encoded versions of the SSID in advance, so when terminal devices receive the broadcast, they can select the correctly decoded version based on their system platform's character encoding, thereby avoiding messy code displays and ensuring proper display across different platforms.

Inventive Principle:
Principle #10Preliminary action

2Loss of information

If SSIDs are encoded for multiple system platforms, then proper display is achieved on diverse devices, but network resource usage increases due to broadcasting multiple encoded versions

Engineering Contradiction:
Improvedisplay accuracy of SSIDVSAvoidnetwork resource usage
Core Design Contradiction:
Loss of informationVSLoss of energy

Solution Approach 1:

The patent applies partial action by selectively encoding SSIDs in multiple character encoding forms only when necessary (i.e., when the SSID contains non-ASCII characters that may cause display issues). For simple ASCII SSIDs, only a single encoding is used. This approach ensures proper display accuracy for complex SSIDs while minimizing unnecessary network resource consumption for simple cases.

Inventive Principle:
Principle #16Partial or excessive action

3Adaptability or versatility

If SSIDs are encoded for multiple system platforms, then proper display is achieved on diverse devices, but the complexity of the broadcasting process increases

Engineering Contradiction:
Improvecompatibility across system platformsVSAvoidencoding and broadcasting process
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by implementing a unified encoding strategy that handles multiple character encoding forms (GBK, UTF-8, Big5, etc.) through a single multi-functional encoding module. This module can automatically select and apply appropriate encodings based on the SSID content, and the same module handles broadcasting for all platform types, thereby managing complexity through a universal solution rather than separate handling for each platform.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3013100B1Method and device for releasing SSID in WLAN
Publication Date: 2018.08.29 XIAOMI INC
  • EP3013100B1 patent drawingFigure 1
  • EP3013100B1 patent drawingFigure 2
  • EP3013100B1 patent drawingFigure 3

AI summary

The present disclosure discloses a method and a device for releasing an SSID in a WLAN, which serves to increase a probability that a terminal device displays the SSID properly. The method includes: encoding (S101, S301) a set SSID according to a character encoding form for a variety of preset system platforms, to generate an SSID code suitable for the variety of system platforms; and broadcasting (S102, S203, S302) the generated SSID code suitable for the variety of system platforms in the WLAN. The present disclosure may increase a probability that a terminal device receives an SSID code which may be properly displayed in local, so as to increase a probability that a terminal device displays the SSID properly.