MIMO Antenna Dynamic Parameter Adjustment for External Interference
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Solution Overview
Problem
MIMO systems, such as SU-MIMO, MU-MIMO, and massive MIMO, are susceptible to interference from external communication sources and may also produce interference affecting other networks, necessitating effective management of signal transmission characteristics to mitigate these issues.
Innovation Solution
A method and system that identify undesired signals from external communication devices, determine if signal parameter values exceed a threshold, and adjust the operating parameters of multi-element antennas to reduce interference, including reducing the number of elements used for transmission or reception, thereby mitigating or eliminating interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If MIMO systems use multiple antenna elements for transmission, then data throughput and capacity are improved, but interference to external communication sources increases
Solution Approach 1:
The patent implements dynamic adjustment of antenna operating parameters based on real-time detection of external signals. The system continuously monitors signal strength from external communication sources and adapts antenna element activation, transmission power, and beamforming patterns accordingly. This dynamic approach allows the MIMO system to maintain high data throughput when external interference is low while automatically reducing interference when external sources are detected, resolving the contradiction between productivity and harmful factors.
Solution Approach 2:
The system changes multiple operating parameters simultaneously including antenna element activation patterns, transmission power levels, and beamforming weights based on detected external signal conditions. By adjusting these parameters dynamically, the system can optimize the balance between maintaining high data throughput and minimizing interference to external communication sources, directly addressing the technical contradiction.
2Productivity
If MIMO systems increase the number of antenna elements, then system capacity and spectral efficiency are improved, but susceptibility to external interference increases
Solution Approach 1:
The patent employs dynamic selection and activation of antenna elements based on real-time environmental assessment. When external interference is detected, the system dynamically deactivates certain antenna elements or adjusts their weighting to reduce susceptibility to interference while maintaining adequate system capacity. This dynamic adaptation resolves the contradiction by allowing the system to have high capacity when conditions permit while being resilient to interference when external sources are present.
Solution Approach 2:
The system implements a feedback mechanism that continuously monitors external signal conditions and uses this information to adjust antenna element configuration. The feedback loop detects external interference patterns and automatically modifies the active antenna subset, beamforming patterns, and signal processing parameters to mitigate susceptibility while preserving system capacity, thereby resolving the technical contradiction.
3Object-generated harmful factors
If antenna operating parameters are adjusted to reduce interference, then harmful factors to external sources are reduced, but data transmission performance may deteriorate
Solution Approach 1:
The patent applies partial action by selectively adjusting only certain antenna elements and transmission parameters rather than uniformly reducing all transmission activity. The system identifies specific antenna elements contributing most to external interference and adjusts only those, while maintaining full performance from other elements. This selective approach reduces interference to external networks while minimizing impact on overall data transmission performance, resolving the technical contradiction.
Solution Approach 2:
The system applies local quality by making differentiated adjustments to different antenna elements based on their individual contribution to external interference. Rather than uniformly reducing all transmissions, the system selectively modifies parameters for specific antenna elements that cause interference while maintaining optimal performance for others, thereby reducing harmful factors without significantly degrading overall data transmission performance.
Data Source
AI summary
Systems, methods, and processing nodes are configured to manage transmission characteristics in a wireless network, such as a wireless network that employs MIMO techniques, by identifying an undesired signal, the undesired signal originating from a communication device external to the wireless network and determining that a signal parameter value of the undesired signal exceeds a threshold value. An operating parameter of a multi-element antenna for communicating signals in the wireless network is adjusted when it is determined that the signal parameter value exceeds a threshold value.