Adaptive Antenna Configuration for mm-Wave Wireless Nodes
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In mm-wave frequency band wireless communications, existing antenna configurations face challenges with beam management and multipath effects, leading to suboptimal performance in terms of signal quality, power efficiency, and data speed due to high sampling rates and physical limitations of small antenna apertures.
Innovation Solution
The implementation of open loop antenna configuration selection in wireless nodes with multiple antenna elements, allowing for adaptive selection between omni-directional, MIMO, and beamforming configurations based on signal quality, mobility status, and interference, optimizing rate, robustness, and power efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple antenna elements are used to compensate for small aperture in mm-wave communication, then signal quality and bandwidth capacity are improved, but device complexity and power consumption increase due to beam management requirements
Solution Approach 1:
The patent changes the operational parameters of antenna elements dynamically by switching between different configurations (omni-directional, MIMO, beamforming) based on signal conditions. This allows the system to adapt to varying channel conditions without requiring complex continuous beam management, thereby improving signal quality while controlling device complexity through discrete configuration states.
2Productivity
If high sampling rates are used in ADC/DAC to utilize wide mm-wave bandwidth, then data speed and bandwidth capacity are improved, but power consumption increases significantly
Solution Approach 1:
The patent implements dynamic switching between different antenna configurations based on channel conditions and mobility status. By adapting the antenna configuration to the current operational scenario, the system can achieve high data speeds when conditions permit while consuming less power in challenging conditions, thereby resolving the contradiction between productivity and energy consumption.
3Device complexity
If single antenna element is used in omni-directional pattern, then device complexity and power consumption are reduced, but signal quality deteriorates due to multipath effects
Solution Approach 1:
The patent makes the antenna system universal by designing it to perform multiple functions through different configurations. The same physical antenna elements can operate in omni-directional mode for simplicity, MIMO mode for multipath exploitation, or beamforming mode for directional gain. This multi-functionality allows the system to achieve high signal quality when needed while maintaining the option for low-complexity operation, resolving the contradiction between device complexity and reliability.
4Productivity
If MIMO antenna technology is used to exploit multipath effects, then data speed and signal robustness are improved, but device complexity increases due to multiple antenna elements and signal processing
Solution Approach 1:
The patent implements dynamic configuration switching that adapts the antenna system to exploit multipath effects through MIMO when channel conditions are favorable. The system transitions between MIMO and other configurations based on real-time signal quality and mobility status, thereby achieving high data speeds through multipath exploitation only when the complexity payoff is justified, resolving the contradiction between productivity and device complexity.
Data Source
AI summary
Adaptive selection of antenna configurations by wireless nodes that comprise a plurality of antenna elements adapted for a plurality of different antenna configurations. The selection of the antenna configuration is made based on the quality of signal(s) received by the wireless node. The wireless nodes are operable for communication in the mm-wave frequency band and, in specific embodiments, the different antenna configurations include two or more of a wide-coverage area antenna configuration, a Multiple-Input Multiple-Output (MIMO) configuration and a Beamforming (BF) configuration.