Switchable Antenna Architecture for MIMO Throughput
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Solution Overview
Problem
In user devices such as mobile phones and tablets, the limited form factor restricts the implementation of dedicated antennas for higher order MIMO systems, leading to underutilization of existing antennas, which hinders the achievement of improved bandwidth and user experience due to space constraints and material costs.
Innovation Solution
A switchable antenna architecture that dynamically assigns unused or underutilized antennas to wireless modules with MIMO capabilities, optimizing antenna resources by connecting multiple short antennas to form a single longer antenna for low-frequency band transmissions and using antenna switching and matching networks to tune antennas for different frequency bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If dedicated antennas are implemented for higher order MIMO systems, then bandwidth and user experience are improved, but space requirements and material costs increase beyond what is feasible in constrained radiation space
Solution Approach 1:
The patent implements a switchable antenna architecture where a single set of antennas can be dynamically assigned to different wireless modules (WLAN, WAN, GPS) based on operational needs. The antenna switching mechanism allows the same physical antenna to serve multiple functions and frequency bands, eliminating the need for dedicated antennas for each wireless module while maintaining MIMO capabilities when available.
Solution Approach 2:
The system dynamically reconfigures antenna assignments based on real-time conditions. The antenna selector determines optimal antenna-to-module mappings and adjusts switch configurations accordingly, allowing the antenna system to adapt between serving MIMO requirements, single-module operations, and frequency band switching without physical reconfiguration.
2Reliability
If multiple dedicated antennas are provided for different wireless modules, then communication reliability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent introduces an antenna switching mechanism as an intermediary component that mediates between multiple wireless modules and the antenna array. This switch enables flexible routing of RF signals, allowing any antenna to be connected to any module as needed, thereby providing redundancy and reliability without requiring dedicated antenna-to-module assignments.
Solution Approach 2:
By making the antenna system universal and shareable across multiple wireless modules through dynamic switching, the patent reduces overall system complexity compared to having dedicated antennas for each module while maintaining the ability to provide reliable communication through multiple paths when needed.
3Reliability
If antennas are optimized for specific frequency bands, then transmission performance is improved, but adaptability to different frequency bands deteriorates
Solution Approach 1:
The patent implements dynamic frequency band switching capability where the antenna system can be reconfigured to operate at different frequency bands (2.4 GHz, 5 GHz, etc.) based on the operational requirements of different wireless modules. The switching mechanism allows the same physical antenna to be tuned to different frequencies, providing both optimized performance for the active band and adaptability to switch between bands as needed.
Data Source
AI summary
A user device selects a communication module from a plurality of communication modules of the user device to communicate first data to a first device in a first configuration, selects a first antenna from a plurality of antennas of the user device to communicate the first data in the first configuration, and couples the communication module to the first antenna in the first configuration. The user device additionally selects the communication module to communicate second data to a second device in a second configuration, selects the first antenna and a second antenna from the plurality of antennas to communicate the second data in the second configuration, and couples the communication module to the first antenna and the second antenna in the second configuration.