MTC Control Plane Data Transmission for LTE Signalling Congestion

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Solution Overview

Problem

The existing mobile communication network faces inefficiencies and congestion when transmitting small amounts of data from Machine Type Communication (MTC) devices on the control plane, leading to reduced system performance and increased signalling overhead.

Innovation Solution

A method and device for determining and instructing MTC devices to transmit small data amounts on the control plane, utilizing relevant indication information to optimize data transmission schemes and avoid congestion, by allowing data to be transmitted in specific signalling formats and sizes based on network load and processing capacity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If small data amount user data is transmitted on the control plane, then system efficiency is improved, but signalling congestion may be incurred or aggravated when the system is heavily loaded

Engineering Contradiction:
Improvesystem efficiencyVSAvoidsignalling congestion
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent implements dynamic selection between control plane and user plane transmission based on real-time network conditions. The network device determines the data transmission mode adaptively according to system load, switching between control plane transmission (for light load) and user plane transmission (for heavy load), thereby optimizing system efficiency while preventing signalling congestion

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes the transmission parameter (control plane vs user plane) based on network conditions. By monitoring system load and adjusting the transmission mode accordingly, the system achieves high efficiency when load is low while avoiding congestion when load is high, effectively resolving the contradiction between productivity and harmful factors

Inventive Principle:
Principle #35Parameter changes

2Reliability

If traditional data transmission scheme is used for MTC devices, then reliability is maintained, but significant signalling overhead is generated resulting in low system efficiency

Engineering Contradiction:
Improvetransmission reliabilityVSAvoidsystem efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent segments the transmission path into two distinct planes: control plane for small data transmission and user plane for normal data transmission. This segmentation allows MTC devices to use the control plane for small packets, reducing signalling overhead and improving system efficiency, while maintaining reliability through the established control plane procedures

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The control plane is made multi-functional by enabling it to handle both control signalling and small data transmission. This universal approach allows the control plane to serve dual purposes, improving system efficiency for MTC devices without compromising the reliability of traditional control functions

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS9622018B2Method and device for processing data transmission of machine-type communication device
Publication Date: 2017.04.11 DATANG MOBILE COMM EQUIP CO LTD
  • US9622018B2 patent drawing
  • US9622018B2 patent drawing
  • US9622018B2 patent drawing

AI summary

Disclosed are a method and device for processing data transmission by a machine-type communication device. The method comprises: determining, by the network side, the mode for the machine-type communication device to transmit a small amount of user data using a control plane; instructing, by the network side, the machine-type communication device to transmit the small amount of user data using the control plane according to the determined mode; and transmitting, by the machine-type communication device, the small amount of user data using the control plane, according to instructions from the network side. In the present application, on the one hand, the mode of transmitting user data by a control plane can be used in transmitting a small amount of data, so as to improve the system efficiency; and on the other hand, the possibility of causing or increasing the congestion in signalling transmission and/or processing can be avoided when making full use of the mode of transmitting user data by the control plane in transmitting the small amount of data, thus improving the performance of a long-term evolution system in supporting the machine-type communication device.