Local QoS Report for Multi-Protocol Radio Link Selection
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Solution Overview
Problem
In wireless communication systems, mobile devices face challenges in efficiently selecting optimal wireless links within a wireless neighborhood due to limited information about available links' quality, load, and interference, especially in shared communication frequency bands where multiple protocols operate concurrently, leading to suboptimal connections and increased energy consumption.
Innovation Solution
A context-aware radio resource management system that utilizes RF band local QoS reports broadcasted on unlicensed channels to assist mobile devices in selecting wireless links by assessing congestion, quality of service, and interference, allowing for concurrent operation across multiple protocols and frequency bands, thereby optimizing link selection and reducing processing overhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mobile devices perform comprehensive scanning and assessment of available wireless links to select optimal connections, then link selection quality improves, but energy consumption and processing overhead increase
Solution Approach 1:
The patent applies preliminary action by having access points broadcast QoS reports before mobile devices need to select links. These reports pre-contain information about available links, their quality, load conditions, and interference levels, allowing devices to make informed decisions without performing comprehensive real-time scanning, thus reducing energy consumption while maintaining selection quality
Solution Approach 2:
The patent introduces QoS reports as an intermediary information carrier between the wireless network infrastructure and mobile devices. These reports mediate the information exchange by consolidating link quality metrics, congestion data, and protocol availability information into structured broadcasts that devices can efficiently process without direct complex interactions with multiple access points
2Reliability
If mobile devices scan multiple protocols and frequency bands to find optimal wireless links, then connection quality improves, but processing overhead and complexity increase
Solution Approach 1:
The patent merges information about multiple protocols and frequency bands into unified QoS reports broadcast by access points. Instead of requiring devices to independently scan and evaluate each protocol and band separately, the network consolidates this information into single structured reports that can be processed efficiently, reducing device complexity while maintaining comprehensive link assessment
Solution Approach 2:
The QoS report structure is designed to be universal, accommodating information about different wireless protocols and frequency bands in a standardized format. This allows a single processing mechanism in mobile devices to handle multi-protocol environments without requiring separate scanning and evaluation logic for each protocol, thereby reducing processing overhead
3Measurement precision
If comprehensive link assessment is performed in shared frequency bands with multiple concurrent protocols, then interference detection improves, but time required for link selection increases
Solution Approach 1:
The patent implements feedback by having access points continuously monitor their own link quality metrics, congestion levels, and interference conditions, then broadcast this information in QoS reports. This feedback mechanism provides mobile devices with up-to-date interference assessment without requiring devices to perform time-consuming independent measurements, achieving accurate interference detection while minimizing link selection time
Data Source
AI summary
A system and method including scanning a plurality of radio channels, via a radio scanning modem, in a shared communication frequency band for a plurality of base transceiver station (BTS) systems operating a first wireless link protocol within communication range of a wireless interface for an anchor BTS, detecting a BTS load for each detected BTS systems of the first wireless link protocol operating on each radio channel in a wireless neighborhood, receiving data scanned for the BTS load for detected BTS systems of a second wireless link protocol in the wireless neighborhood, and preparing a radiofrequency band local QoS report for at least one detected BTS system of the first wireless link protocol and at least one detected BTS system of the second wireless link protocol in the shared communication frequency band of the wireless neighborhood for unlicensed broadcast to a user mobile information handling system.