Multi-RAT Coordination Module for Wireless Communication Devices
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Solution Overview
Problem
Current wireless communication devices are limited in their versatility as they typically support only one radio access technology (RAT) and lack efficient mechanisms for cooperation between different RATs, restricting their ability to communicate effectively across various channels and bandwidths.
Innovation Solution
A wireless communication device equipped with a multi-RAT coordination module that enables the selection and coordination of multiple RATs for communication, including power management, handovers, and channel bonding, to optimize RAT usage based on channel conditions and data requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a wireless communication device supports only one radio access technology (RAT), then the device complexity is reduced, but the communication versatility and adaptability are limited
Solution Approach 1:
The patent implements multi-RAT capability by equipping the wireless communication device with multiple radio access technology modules (e.g., WiFi, Bluetooth, cellular) that can operate independently or cooperatively. Each RAT module functions as a separate communication interface, allowing the device to adapt to different network environments and communication requirements without increasing overall system complexity through integrated coordination mechanisms.
Solution Approach 2:
The patent employs dynamic RAT selection and coordination mechanisms that allow the device to switch between different radio access technologies based on real-time channel conditions, data requirements, and network availability. The coordination module dynamically determines which RAT to use for specific communication tasks, enabling flexible adaptation without requiring all RATs to operate simultaneously, thus managing complexity effectively.
2Productivity
If multiple RATs are used simultaneously for communication, then bandwidth and communication quality are improved, but power consumption increases
Solution Approach 1:
The patent implements selective RAT activation where only the necessary subset of RATs is activated based on current communication requirements. The coordination module evaluates data traffic patterns, channel conditions, and QoS requirements to determine the minimum number of RATs needed, avoiding unnecessary power consumption from idle RAT modules while maintaining sufficient bandwidth through partial multi-RAT operation.
Solution Approach 2:
The patent employs periodic monitoring and evaluation of RAT performance metrics to dynamically adjust which RATs remain active. The coordination module periodically assesses channel conditions, data throughput, and power consumption levels, switching RATs on or off in periodic intervals to optimize the balance between bandwidth utilization and energy efficiency, rather than maintaining continuous operation of all RATs.
3Reliability
If seamless switching between RATs is implemented, then communication quality and adaptability are improved, but device complexity and coordination requirements increase
Solution Approach 1:
The patent introduces a dedicated RAT coordination module that acts as an intermediary between multiple RAT interfaces and the upper-layer communication protocols. This coordination module centralizes the complexity of RAT selection, handover management, and resource allocation, shielding individual RAT modules from complex interaction logic and enabling seamless switching through standardized interfaces and unified control mechanisms.
Solution Approach 2:
The patent implements feedback-based RAT coordination where the coordination module continuously monitors communication quality metrics, channel conditions, and handover performance across different RATs. Based on this feedback, the module dynamically adjusts RAT selection strategies, handover thresholds, and resource allocation parameters to maintain optimal communication quality while managing coordination complexity through data-driven decision-making.
Data Source
AI summary
A wireless communication device is disclosed that is capable of utilizing multiple radio access technologies (RATs) in various coordinated ways so as to optimize, and enhance the versatility, of the device's communication capabilities. One or more RATs may be selected for use, either alone or in cooperation with each other, based on various conditions, such as channel conditions, traffic, data type, and priority. When conditions change, the originally-selected communication scheme may no longer be preferred. Consequently, the device can initiate a handover to another communication scheme. Transmitters corresponding to RATs that are not currently selected are controlled to enter a low-power state in order to conserve power. However, in some circumstances, the device may utilize both RATs simultaneously. For example, redundant communications can be made over both RATs for error-reduction or other purposes, and partial communications can be made over multiple RATs for increased speed and bandwidth, among other reasons.