QoS Management in Multi-Standard Mesh Networks
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Solution Overview
Problem
Wireless mobile communication devices face challenges in maintaining consistent connectivity due to limited coverage areas of various wireless networks, leading to dropped calls and degraded reception when moving between network coverage areas.
Innovation Solution
A system and method for quality of service management in a multi-standard mesh of networks, where QoS management entities within devices and networks communicate and negotiate to select the best network and protocol for data transmission based on latency, bandwidth, and throughput, enabling resource reservation and conflict resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wireless mobile communication device uses a single wireless network standard, then the device can maintain simple device architecture, but the device cannot provide seamless connectivity when moving between different coverage areas
Solution Approach 1:
The wireless mobile communication device is configured to support multiple wireless network standards (WPAN, WLAN, cellular) simultaneously, enabling it to operate across different network types and coverage areas. This multi-functionality allows the device to maintain connectivity by switching between standards as needed, resolving the contradiction between reliability and complexity.
Solution Approach 2:
The device dynamically selects and switches between different wireless network standards based on current coverage conditions, data transmission requirements, and network availability. This dynamic adaptation enables seamless connectivity while managing complexity through intelligent resource allocation and protocol selection.
2Reliability
If the device switches between different wireless network standards, then seamless connectivity can be maintained, but data transmission quality may deteriorate due to protocol incompatibilities
Solution Approach 1:
A protocol translation and adaptation layer is introduced between different wireless network standards, enabling seamless data transmission across incompatible protocols. This intermediary component handles protocol conversion, packet formatting, and quality of service mapping, ensuring high-quality data transmission while maintaining connectivity across multiple standards.
Solution Approach 2:
The device dynamically adjusts transmission parameters such as data rate, modulation scheme, and error correction levels based on the current wireless standard and network conditions. This parameter adaptation optimizes data transmission quality for each specific protocol while maintaining seamless connectivity across different standards.
3Area of stationary object
If the device supports multiple wireless standards, then connectivity coverage is expanded, but the device cannot guarantee quality of service for different data transmission requirements
Solution Approach 1:
The device implements quality of service management with different parameters and policies for each wireless network standard and application type. By applying local quality adjustments specific to each network context and data requirement, the system guarantees QoS for voice, data, and video transmissions while maintaining expanded coverage across multiple standards.
Data Source
AI summary
Aspects of a method and system for quality of service management in a multi-standard mesh of networks are provided. In a wireless mobile communication device (WMCD) enabled to communicate utilizing a variety of communication networks, QoS information, such as latency, available bandwidth, and/or throughput, communicated to the WMCD may enable the coordination of data transfers to and/or from the WMCD. In this regard, the WMCD and each of the networks may comprise a QoS management entity. A QoS management entity may be enabled to poll other QoS management entities to discover QoS information. Similarly, a QoS management entity may be enabled to receive QoS information broadcast by other QoS management entities. A QoS management entity may enable selecting a network and/or communication protocol for the transmission and/or reception of data based on exchanged QoS information.