Telegram Splitting for Slotted ALOHA M2M Efficiency

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Solution Overview

Problem

Current 3GPP communication standards are inefficient for machine-to-machine (M2M) communication due to high overhead and power consumption, as they are optimized for high data rates not required by M2M devices, which results in spectrally inefficient systems with a large number of devices.

Innovation Solution

A transmitter and receiver system that splits additional telegrams into shorter data packets and transmits them in resource elements reserved for non-standard compliant communication, allowing for transmission without prior listening to ensure resource availability, optimizing resource usage in M2M communication systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If current 3GPP communication standards are used for M2M communication, then high data rates are achieved, but overhead and power consumption become extremely high

Engineering Contradiction:

Improvedata rateVSAvoidpower consumption

Core Design Contradiction:

SpeedVSUse of energy by moving object

Solution Approach 1:

The patent divides communication resources into distinct segments: standard compliant resource elements for traditional high-data-rate communication and non-standard compliant resource elements for M2M communication. This segmentation allows M2M devices to operate in dedicated resource blocks with simplified protocols, reducing overhead and power consumption while maintaining data rate capability when needed.

Inventive Principle:

Principle #1Segmentation

2Speed

If current 3GPP communication standards are used for M2M communication, then high data rates are achieved, but spectral efficiency deteriorates

Engineering Contradiction:

Improvedata rateVSAvoidspectral efficiency

Core Design Contradiction:

SpeedVSLoss of energy

Solution Approach 1:

The patent applies different communication protocol qualities to different resource elements. Standard compliant resource elements use full-featured protocols optimized for high data rates, while non-standard compliant resource elements use simplified protocols optimized for spectral efficiency in M2M scenarios. This local differentiation resolves the contradiction by matching protocol complexity to actual communication needs.

Inventive Principle:

Principle #3Local quality

3Loss of energy

If telegram splitting is implemented for M2M communication, then overhead is reduced and spectral efficiency improves, but device complexity increases

Engineering Contradiction:

Improvespectral efficiencyVSAvoidtransmission complexity

Core Design Contradiction:

Loss of energyVSDevice complexity

Solution Approach 1:

The patent segments the telegram into multiple smaller data packets that can be transmitted in separate non-standard compliant resource elements. This segmentation reduces overhead and improves spectral efficiency by allowing selective transmission of only necessary data portions, while the simplified packet structure actually reduces processing complexity compared to handling large telegrams.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS11190627B2Telegram splitting for slotted ALOHA

Publication Date: 2021.11.30 FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV

AI summary

A transmitter is configured to operate in a mobile communication system according to a mobile communication standard (e.g., 3GPP), wherein resources of the communication system are divided into resources elements. The transmitter is also configured to transmit an additional telegram by separating the telegram into a plurality of data packets, each of the data packets being shorter than the telegram, and transmitting each of the data packets respectively in one of the resource elements.