Wireless Controller Multiplexing Antenna Signals
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Solution Overview
Problem
Information handling systems face challenges in adapting to new wireless devices due to mechanical, electrical, and thermal constraints, as well as design complexities related to antenna placement, signal interference, and regulatory compliance, especially when integrating multiple radio and antenna structures for various wireless protocols and frequencies.
Innovation Solution
A system and method that multiplexes wireless data sources and transmission sources using a wireless controller to manage multiple wireless protocols and frequencies through interchangeable components, with a lookup table that directs signal transfer between wireless networking and antenna modules, allowing for modular updates and adaptations to changing regulatory constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple radio and antenna structures are integrated into existing portable information handling systems, then support for multiple wireless protocols and frequencies is improved, but device footprint and structural complexity increase
Solution Approach 1:
The patent implements a universal antenna structure that can operate across multiple frequency bands (2.4 GHz, 5 GHz, 60 GHz) and support multiple wireless protocols (Wi-Fi, Bluetooth, WiGig) through a single integrated design. The antenna uses frequency-selective surfaces and adjustable grounding configurations to achieve multi-functionality, eliminating the need for separate antenna structures for each protocol and frequency band.
Solution Approach 2:
The patent merges multiple radio frequency front-ends and antenna structures into a single integrated antenna system. The frequency-selective surface combines multiple resonant elements that can be selectively activated based on the required frequency band, consolidating what would traditionally require separate antenna structures into one unified component.
2Adaptability or versatility
If multiple radio and antenna structures are placed in a device, then wireless communication capabilities are improved, but antenna placement and signal interference constraints increase
Solution Approach 1:
The frequency-selective surface is designed to operate across multiple frequency bands (2.4 GHz, 5 GHz, 60 GHz) and support multiple wireless protocols through a single antenna structure. The grounding configuration can be adjusted to optimize performance for different protocols, providing universality that eliminates the need for multiple separate antenna placements.
Solution Approach 2:
The antenna system incorporates adjustable grounding configurations that can be dynamically reconfigured based on the active wireless protocol. The grounding structure can be modified to optimize antenna performance for different frequency bands and protocols, providing adaptability without requiring multiple fixed antenna structures.
3Adaptability or versatility
If multiple radio and antenna structures are integrated, then wireless protocol support is improved, but thermal management challenges increase
Solution Approach 1:
The patent consolidates multiple radio frequency front-ends that would generate heat into a single integrated antenna structure. By merging the 2.4 GHz, 5 GHz, and 60 GHz radio systems into one antenna platform, the thermal load is concentrated in a single location that can be more effectively managed through targeted thermal design rather than distributed across multiple antenna structures.
4Adaptability or versatility
If new wireless devices are added to existing systems, then wireless communication versatility is improved, but design and manufacturing complexity increase
Solution Approach 1:
The frequency-selective surface antenna is designed to support multiple wireless protocols and frequency bands through a single structure. The grounding configuration can be adjusted to optimize performance for different protocols, providing a universal platform that simplifies manufacturing by eliminating the need to produce multiple different antenna structures for different device variants.
Solution Approach 2:
The adjustable grounding configuration allows the antenna to be optimized for different wireless protocols after manufacturing. This dynamic reconfigurability means that a single manufactured antenna structure can serve multiple protocol requirements, reducing the need for complex manufacturing processes that would otherwise be required to produce protocol-specific antenna variants.
Data Source
AI summary
An information handling system adapts to changes in wireless communication protocols and frequencies by modifying a table that defines how wireless networking modules communicate through a wireless controller with antenna modules. In one embodiment, packets are switched between wireless communication modules and antenna modules by reference to an identifier stored in a lookup table of wireless controller. In another embodiment, the wireless controller directs wireless analog signals to between desired wireless networking modules and antenna modules with band pass filters that isolate signals based upon frequency.