AMP IoT Beacon Transmission Using Fixed or Hopping Channels
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing 802.11 systems face challenges in designing channels for beacon frames of ambient power enabled IoT (AMP) devices to meet regional or national regulatory requirements, particularly in regions like China where the minimum channel bandwidth for frequency hopping is 250 kHz.
Innovation Solution
A wireless communication method involving frequency hopping or fixed channel transmission of beacon frames is employed to ensure compliance with regulatory requirements, using predefined or dynamically configured frequency hopping patterns for the primary channel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beacon frames are transmitted via frequency hopping to meet regional regulations (e.g., 250 kHz minimum bandwidth in China), then regulatory compliance is improved, but channel design complexity increases
Solution Approach 1:
The patent applies dynamics by making the channel configuration adaptable rather than fixed. The system dynamically selects between frequency hopping and fixed channel transmission based on regulatory requirements and operational conditions. This allows the beacon frame transmission to comply with regional regulations (e.g., 250 kHz minimum bandwidth in China) while maintaining flexibility in channel design, thus resolving the contradiction between regulatory compliance and design complexity.
Solution Approach 2:
The patent changes the transmission parameter from a fixed channel to a dynamic selection between fixed channel and frequency hopping modes. By adjusting the transmission method parameter based on regulatory requirements, the system achieves compliance with regional standards (improving reliability) while using predefined patterns to keep the implementation complexity manageable (mitigating the worsening of device complexity).
2Productivity
If AMP devices are deployed at large scale, then network coverage and functionality are improved, but maintaining low complexity and low cost becomes more difficult
Solution Approach 1:
The patent segments the beacon frame transmission into two independent modes: fixed channel transmission and frequency hopping transmission. This segmentation allows each mode to be optimized independently for specific scenarios. For large-scale deployment, the system can use predefined frequency hopping patterns that simplify the transmission mechanism, maintaining low complexity and cost while enabling extensive deployment of AMP devices.
Solution Approach 2:
The patent implements self-service by using predefined frequency hopping patterns that do not require complex real-time negotiation or configuration between network device and AMP devices. The transmission parameters are predetermined, allowing AMP devices to autonomously follow the established patterns, thereby reducing system complexity and enabling large-scale deployment without proportionally increasing management overhead.
3Reliability
If frequency hopping is used for beacon frame transmission, then regulatory compliance is improved, but transmission stability may deteriorate
Solution Approach 1:
The patent applies dynamics by providing a flexible framework where the transmission mode can be dynamically selected between fixed channel and frequency hopping. This allows the system to use frequency hopping for regulatory compliance while potentially switching to fixed channel mode when transmission stability is prioritized, thus resolving the contradiction between compliance and stability.
Solution Approach 2:
The patent uses periodic frequency hopping patterns with predefined sequences. This periodic action ensures that the frequency hopping occurs in a structured, predictable manner, maintaining transmission stability while still achieving regulatory compliance. The periodic nature of the hopping pattern helps in managing interference and ensuring reliable beacon frame delivery.
Data Source
AI summary
A wireless communication method includes: transmitting, by a network device, a primary channel via frequency hopping, where a beacon frame is transmitted via the primary channel, or the beacon frame is transmitted via a fixed channel, the beacon frame being transmitted to an AMP device.