Wireless Device Dynamic Frequency Switching for Congestion Management
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Solution Overview
Problem
In wireless communication systems, special channels, frequencies, or timeslots used for transferring network information can become congested when multiple devices communicate, leading to inefficiencies in receiving alerts and messages.
Innovation Solution
A method and device that enter a first wireless communication mode, receive congestion information, and set a timer to tune away from the initial frequency spectrum to a second spectrum for monitoring information in a different communication mode, thereby alleviating congestion by dynamically switching between communication modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple wireless communication devices use the same special channels, frequencies, or timeslots for network information transfer, then the network information can be delivered to all devices, but the channels become congested leading to inefficiencies
Solution Approach 1:
The patent implements dynamic frequency selection where wireless communication devices can switch between different frequency spectrums based on congestion conditions. The device enters a first wireless communication mode on a primary frequency, monitors congestion information, and when congestion is detected, it tunes to a second frequency spectrum to monitor network information, thereby dynamically adapting to channel conditions and avoiding persistent congestion.
Solution Approach 2:
The patent changes the frequency parameter of the communication channel based on congestion levels. When the first frequency spectrum becomes congested for overhead communications, the device changes to a second frequency spectrum for monitoring network information, effectively using parameter changes to resolve the contradiction between reliable information delivery and channel efficiency.
2Loss of information
If wireless communication devices continuously monitor network information on the primary frequency, then they can receive all network alerts and messages, but they cannot efficiently use alternative frequencies to avoid congestion
Solution Approach 1:
The patent implements periodic monitoring where the device sets a timer to periodically tune away to the second frequency spectrum based on congestion information. This periodic action allows the device to balance between monitoring network information on the primary frequency and using alternative frequencies to avoid congestion, thereby reducing information loss while minimizing time spent tuning away.
3Productivity
If the device frequently switches between frequency spectrums to avoid congestion, then channel efficiency is improved, but the device complexity and switching overhead increase
Solution Approach 1:
The patent uses feedback from congestion information to control frequency switching decisions. The device receives congestion information indicating the level of congestion on the first frequency spectrum, and based on this feedback, it intelligently decides whether to tune to the second frequency spectrum. This feedback mechanism optimizes channel efficiency while avoiding unnecessary switching that would increase device complexity and overhead.
Data Source
AI summary
What is disclosed is a method of operating a wireless communication device. The method includes entering a first wireless communication mode with a wireless access node that requires tuning to a first frequency spectrum, and receiving congestion information of the wireless access node for overhead communications of the first wireless communication mode. In response to entering the first wireless communication mode, the method includes setting a timer for monitoring a second wireless communication mode based on the congestion information. When the timer expires, the method includes tuning away from the first frequency spectrum to a second frequency spectrum for the second wireless communication mode and monitoring information for the second wireless communication mode.