MTC Device Wake-on-Paging to Reduce Signalling Overhead
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Solution Overview
Problem
Machine type communication devices face high signalling overhead and delay costs, as well as complexity and energy consumption issues due to the reliance on short messages for establishing Internet Protocol connections with mobile communication networks.
Innovation Solution
A method and device configuration that allows a machine type communication device to attach to a mobile communication network like user equipment, with a processing device operating in multiple modes, enabling wake-on-paging functionality to establish IP connections without short messages, thereby reducing overhead and energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If short messages are used to establish IP connections for machine type communication devices, then connection establishment is possible, but signalling overhead and delay increase
Solution Approach 1:
The patent extracts the wake-up trigger function from the traditional SMS-based approach and implements it directly in the paging message received by the interface device. This eliminates the need for SMS processing while maintaining the ability to wake up the processing device, thereby reducing signalling overhead and delay.
Solution Approach 2:
The interface device acts as an intermediary between the mobile communication network and the processing device. It receives paging messages from the network and converts them into wake-up signals for the processing device, enabling efficient connection establishment without requiring the processing device to directly handle SMS or complex signalling protocols.
2Reliability
If short messages are used for connection establishment, then IP connectivity is achieved, but device complexity and manufacturing costs increase
Solution Approach 1:
The patent segments the device into two functional parts: the interface device that handles communication with the network, and the processing device that performs data processing. The interface device manages all communication protocols and connection establishment, while the processing device can remain in a low-power state and only wakes up when needed, reducing overall device complexity.
Solution Approach 2:
The interface device handles all complex communication functions including SMS processing, parsing, and connection management. This allows the processing device to be simpler and cheaper, as it only needs basic processing capabilities and wakes up briefly to perform its function, rather than requiring full communication stack implementation.
3Speed
If the processing device operates continuously to handle communications, then response time is fast, but energy consumption increases
Solution Approach 1:
The processing device operates periodically rather than continuously. It wakes up from a low-power state in response to paging messages from the network, performs necessary data processing or transmission, and then returns to sleep mode. This periodic operation maintains responsiveness to network communications while dramatically reducing energy consumption compared to continuous operation.
Solution Approach 2:
The interface device monitors for incoming paging messages and automatically triggers the processing device to wake up when communication is needed. This self-service mechanism ensures the processing device responds promptly to network requests without requiring continuous power, as the interface device manages the wake-up scheduling based on actual communication needs.
Data Source
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AI summary
The invention relates to a method for enhancing machine type communication between a mobile communication network on the one hand and a machine type communication device on the other hand, wherein the machine type communication device comprises an interface device and a processing device, wherein the interface device is able - after having performed an attachment procedure - to be attached to the mobile communication network in the manner of a user equipment of the mobile communication network, wherein the processing device is configured to be operated in a first mode of operation and at least a second mode of operation, wherein the method comprises the following steps: - in a first step, in case that the processing device is in its first mode of operation, the interface device receives a paging message from the mobile communication network, the paging message being addressed, by the mobile communication network, to the interface device, - in a second step, the interface device triggers the processing device to change from the first mode of operation to the second mode of operation.