Dynamic Timer Negotiation for SMS Delivery Accuracy

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Solution Overview

Problem

Current short message service (SMS) delivery systems face inefficiencies in timer management, leading to potential double delivery, wrong charging, and resource waste due to inappropriate timer settings, which can result in delayed or missed message delivery.

Innovation Solution

A method is introduced where a timer value is negotiated with a short message service routing element, allowing for dynamic adjustment and re-negotiation based on delivery route availability and operator policies, ensuring more accurate and efficient message delivery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a fixed timer value is used in SMS delivery, then the system operation is simple, but it leads to potential double delivery, wrong charging, and resource waste

Engineering Contradiction:

Improvemessage delivery accuracyVSAvoidtimer management complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic timer value adjustment by negotiating timer parameters between SMS-GMSC and SMS Router/IP-SM-GW based on delivery route conditions. The timer value is no longer fixed but adapts to different delivery scenarios, preventing double delivery and resource waste while maintaining system reliability.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent changes the timer parameter from a static fixed value to a negotiable dynamic parameter. The SMS-GMSC and SMS Router/IP-SM-GW exchange timer value proposals and negotiate the final timer value based on delivery route availability and operator policies, thereby improving delivery accuracy without excessive complexity.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If timer value is dynamically adjusted, then message delivery accuracy improves, but negotiation complexity increases

Engineering Contradiction:

Improvedelivery accuracyVSAvoidtimer negotiation complexity

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent applies partial action by implementing timer negotiation only when delivery route conditions require it, rather than always negotiating. The SMS-GMSC sends timer value proposals selectively based on delivery scenarios, reducing unnecessary negotiation overhead while maintaining delivery accuracy where needed.

Inventive Principle:

Principle #16Partial or excessive action

3Productivity

If timer value is negotiated with routing element, then resource utilization improves, but communication overhead increases

Engineering Contradiction:

Improveresource utilizationVSAvoidsignaling message quantity

Core Design Contradiction:

ProductivityVSQuantity of substance

Solution Approach 1:

The patent merges the timer value negotiation with the existing routing information exchange between SMS-GMSC and SMS Router/IP-SM-GW. The timer parameters are negotiated within the same signaling framework used for route selection, thereby improving resource utilization without significantly increasing overall communication overhead.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS8823767B2Delivery of short messages

Publication Date: 2014.09.02 NOKIA SOLUTIONS & NETWORKS OY

AI summary

Methods, apparatuses, system and a computer program product provide improved delivery of short messages. The method includes the steps of receiving a message to be delivered to user equipment, negotiating a timer value with a short message service routing element, forwarding the short message to the short message service routing element together with the negotiated timer value and starting a timer according to the negotiated timer value.