Mobile MMS Size Verification via Segmented Download
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Solution Overview
Problem
Conventional MMS technologies face issues with improper message size notifications, leading to unnecessary data downloads and potential security risks, where users may inadvertently receive large messages due to fake or incorrect size information, resulting in wasted time and money.
Innovation Solution
A method where a mobile station receives a multimedia message in parts, with a predetermined size check, and if the first part exceeds the set size, a confirmation procedure is initiated to ensure user consent before downloading the rest of the message, preventing messages with incorrect or fake sizes from being fully downloaded.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the mobile station automatically downloads MMS messages based on notification size, then the convenience of message reception is improved, but users may download messages with fake or incorrect size information, wasting time and money
Solution Approach 1:
The patent performs a preliminary size verification by receiving and checking the first part of the message before committing to download the entire message. This preliminary action allows the system to detect size discrepancies early, preventing wasteful downloads of messages with fake size information while maintaining automatic retrieval convenience.
Solution Approach 2:
The patent implements a feedback mechanism where the actual message size is verified against the notified size, and the system responds by either completing the download or canceling it based on the verification result. This feedback loop ensures that users only download messages with accurate size information, resolving the contradiction between automatic retrieval convenience and reliability.
2Measurement precision
If the mobile station checks the entire message size before downloading, then the accuracy of size verification is improved, but the time required for message reception increases
Solution Approach 1:
The patent segments the message reception process into two stages: first receiving a small initial part for size verification, and then conditionally receiving the rest. This segmentation allows for accurate size verification without requiring the entire message to be downloaded and checked, significantly reducing the time loss while maintaining measurement precision.
Solution Approach 2:
The patent performs the size verification action preliminarily by checking only the first part of the message before committing to the full download. This preliminary verification provides sufficient accuracy to detect fake size information without incurring the time cost of checking the entire message, resolving the contradiction between verification accuracy and reception time.
3Device complexity
If the mobile station downloads the entire message before verification, then the simplicity of the reception process is improved, but users waste resources on messages with improper sizes
Solution Approach 1:
The patent segments the download process into a conditional structure: first download a small verification portion, then conditionally download the remainder based on size verification. This segmentation maintains relative process simplicity while preventing energy waste by canceling downloads when size discrepancies are detected, resolving the contradiction between simplicity and energy efficiency.
Solution Approach 2:
The patent performs a preliminary size check using only the first part of the message before committing to the full download. This preliminary action prevents wasteful energy consumption on messages with fake size information while keeping the overall process relatively simple, as it only adds one initial verification step rather than fundamentally complicating the reception flow.
Data Source
AI summary
A receiver terminal, like a mobile apparatus or a mobile phone, downloads a multimedia message from a message center via a network. An arrival notification is first transmitted from the message center to the receiver terminal. In the notification, a length of the multimedia message is identified. The receiver terminal, however, checks a portion of the multimedia message downloaded to ensure the actual size indicated by the portion of the multimedia message is consistent with the length identified by the notification. If there is problem, users are inquired for confirmation to determine whether to continue downloading the rest portion of the multimedia message.