Reconfigurable Mesh Network Adaptive Antenna Radiation Patterns
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Solution Overview
Problem
Current wireless communication systems, particularly WLAN and IoT networks, face challenges in maintaining reliable and high-throughput communication links due to movement of nodes and changes in the propagation channel caused by obstacles, which are not effectively addressed by traditional antenna systems with fixed radiation patterns.
Innovation Solution
Implementing a reconfigurable mesh network with adaptive antenna systems capable of dynamically adjusting radiation patterns to optimize communication links, using modal antennas that can generate multiple radiation modes based on channel quality indicators like SINR and RSSI, and a network controller to select the optimal radiation pattern for improved signal quality and data throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fixed radiation pattern antenna systems are used, then device complexity is reduced, but communication link reliability deteriorates due to node movement and propagation changes
Solution Approach 1:
The patent implements dynamic antenna systems that can reconfigure radiation patterns in real-time based on channel conditions, node movement, and propagation changes. The antenna system transitions from static to dynamic operation, continuously adapting beamforming weights and radiation patterns to maintain optimal communication links, thereby resolving the contradiction between reliability and complexity.
Solution Approach 2:
The system changes physical parameters of the antenna system including radiation pattern shape, beam direction, and polarization state based on measured channel quality indicators such as SINR and RSSI. By dynamically adjusting these parameters, the system maintains reliable communication links while managing the complexity through algorithmic control.
2Productivity
If adaptive antenna systems with multiple radiation modes are implemented, then data throughput is improved through higher order modulation, but device complexity increases
Solution Approach 1:
The system dynamically adjusts radiation pattern parameters and beamforming configurations based on measured channel quality metrics. When SINR and RSSI indicate favorable conditions, the system enables higher order modulation schemes and more complex radiation patterns to maximize data throughput, while adapting complexity levels to match actual channel conditions.
Solution Approach 2:
The antenna system implements dynamic reconfiguration capabilities that allow it to switch between different radiation modes and beamforming strategies based on real-time channel assessment. This dynamic adaptation enables the system to achieve high throughput when conditions permit while managing complexity through intelligent control algorithms.
3Area of stationary object
If repeaters are added to extend network range, then coverage area is increased, but device complexity and network management difficulty increase
Solution Approach 1:
The mesh network implements dynamic topology management where nodes can dynamically join and leave the network, and routing paths are continuously optimized. This dynamic approach allows the network to extend coverage organically through node addition while maintaining manageable complexity through automated routing algorithms and self-organizing protocols.
Solution Approach 2:
Mesh network nodes are designed with multi-functionality, serving as both end devices and potential relay nodes. This universal design allows any node to contribute to network coverage and routing, reducing the need for specialized repeater infrastructure and simplifying overall network management while extending coverage area.
Data Source
AI summary
A network communication system includes three or more nodes that are wirelessly connected in a mesh configuration, forming a reconfigurable mesh network, to improve communication link performance. The reconfigurable mesh network can be dynamically adjusted to maintain and improve communication links throughout a region serviced by the mesh, or between a source and destination on the mesh network. Adaptive antenna system techniques are implemented in one or more of the nodes on the mesh network, such that multiple radiation pattern modes can be generated to dynamically adjust radiated performance between specific links along a selected path for communicating information on the mesh network. Antenna system metrics, such as signal to noise ratio, signal to interference plus noise ratio, and receive signal strength indicator are used to monitor and to adjust adaptive antenna system characteristics to optimize link performance between nodes on the mesh network.