WiFi Peripheral Mode Host System RF Channel Management
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Solution Overview
Problem
Current wireless computer systems face challenges in efficiently connecting peripherals to WiFi networks while maintaining network connectivity, as they often require additional RF channels and subsystems, which increase cost and complexity, especially for low-bandwidth devices like keyboards and mice.
Innovation Solution
The implementation of a 'WiFi-P mode' allows host systems to maintain network connectivity while using low-cost peripherals on the same WiFi RF channel, with additional RF channels used for high-bandwidth devices, enabling flexible interoperability and functionality by supporting advanced WiFi modes and protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional RF channels and subsystems are added to support both network connectivity and peripheral devices, then system versatility is improved, but device complexity and cost increase
Solution Approach 1:
The patent applies universality by enabling the WiFi subsystem to serve multiple functions: infrastructure mode for network connectivity and ad-hoc mode for peripheral communication. The host system can dynamically switch between these modes using the same RF channel, eliminating the need for separate RF subsystems for different functions.
Solution Approach 2:
The patent implements dynamics by allowing the host system to dynamically change its operational mode between infrastructure and ad-hoc WiFi modes. This dynamic switching capability enables the system to adapt its function based on whether it needs network access or peripheral support, using the same hardware resources flexibly.
2Productivity
If additional RF channels are added for high bandwidth devices, then communication performance is improved, but cost and complexity increase
Solution Approach 1:
The patent applies segmentation by separating different communication needs into different operational modes: infrastructure mode for network traffic and ad-hoc mode for peripheral communication. This segmentation allows the system to optimize for different performance requirements without adding physical RF channels, as each mode uses the same channel with different protocol characteristics.
3Area of stationary object
If mesh networking capability is added to peripherals, then network coverage is improved, but processing capability requirements increase
Solution Approach 1:
The patent extracts mesh networking capability from the peripheral devices and concentrates it in the host system. The host system performs the complex mesh routing and coordination functions, while peripheral devices maintain simple ad-hoc WiFi interfaces. This extraction reduces the processing burden on low-power peripherals while still achieving extended network coverage.
Data Source
AI summary
A wireless peripheral mode is provided by a host system that communicates to a WiFi infrastructure and, utilizing the same WiFi RF subsystem, also communicates to peripherals. The host system may employ additional RF channels for communicating with high bandwidth peripherals, such as display devices, where high levels of QoS may be managed locally. The host system may be a conventional desktop computer system, a notebook computer system, a multi-media access point, a cell phone, a game machine, a portable game machine, a Personal Digital Assistant (PDA), a smart phone or any other type of device that benefits from accessing both a WiFi infrastructure and local peripherals.