Adjustable Antenna Positioning for More Reliable IoT RF Links
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Solution Overview
Problem
Existing wireless communication between end nodes and network devices in IoT systems faces challenges due to distance, physical obstacles, and electromagnetic interference, particularly in scenarios where end nodes rely on limited battery power and lack a stable power source.
Innovation Solution
A wireless network device with a bendable element that provides adjustable positioning and power support, allowing optimal antenna orientation for improved RF signal reception and transmission, and uses low-power protocols like Zigbee, Z-Wave, Wi-Fi HaLow, NB-IoT, DASH7, Sigfox, or LoRa for communication with end nodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the antenna is positioned to optimize RF signal reception and transmission, then wireless communication performance is improved, but the device requires complex positioning mechanisms that increase device complexity
Solution Approach 1:
The patent applies the dynamics principle by making the antenna position adjustable rather than fixed. The antenna can be repositioned to optimal locations for RF signal reception and transmission, allowing the system to adapt to different environmental conditions and obstacles. This dynamic positioning capability improves wireless communication reliability without requiring complex automated positioning mechanisms, as the adjustment can be performed manually or semi-automatically.
Solution Approach 2:
The patent changes the physical parameter of antenna position to optimize communication performance. By allowing the antenna to be positioned at different locations and orientations, the system can adjust to varying signal conditions, distance from end nodes, and electromagnetic interference patterns. This parameter change approach improves reliability while keeping the device structure relatively simple.
2Ease of operation
If end nodes rely on battery power only, then device portability and ease of installation are improved, but the duration of action is limited due to restricted battery life
Solution Approach 1:
The patent applies the universality principle by designing the network device to perform multiple functions: it can provide power to end nodes through its power outlet in addition to its primary function of wireless communication coordination. This multi-functionality allows the network device to extend the operational duration of end nodes by serving as a power source, thereby addressing the limited battery life issue while maintaining installation convenience.
Solution Approach 2:
The network device acts as an intermediary between the power grid and end nodes. It receives power from the electrical outlet and distributes it to end nodes that rely on battery power, effectively extending their operational life. This intermediary role allows end nodes to remain portable and easy to install while overcoming their limited battery duration through the network device's power supply capability.
3Ease of operation
If the antenna position is fixed during installation, then ease of installation is improved, but adaptability to different signal conditions and orientations is reduced
Solution Approach 1:
The patent implements dynamics by making the antenna position adjustable after installation rather than permanently fixed. This allows the antenna to be repositioned to optimize signal reception and transmission under different conditions, such as when obstacles are moved or when the device is relocated. The adjustable design maintains installation simplicity while significantly improving adaptability to varying signal environments.
Solution Approach 2:
The patent applies preliminary action by providing default antenna positioning that works for typical installation scenarios, allowing for quick initial installation. The antenna is pre-positioned to provide adequate performance in most cases, while retaining the capability for later adjustment if specific signal conditions require optimization. This approach balances installation simplicity with adaptability.
Data Source
AI summary
Systems, methods, and devices relating to a wireless network device configured for adjustable positioning are described herein. In an example, a network device comprises a body and a bendable element configured to carry electrical power to the body and components therein. The body houses an antenna and transceiver configured for wireless communication. The bendable element, attached to the body of the network device, is configured for adjustable positioning such that a position of the bendable element is substantially maintained when the positioning force is removed. A facing of the antenna within the body may be based on the positioning of the bendable element.