Hierarchical Event Descriptor Compression for Wireless Notification
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Solution Overview
Problem
Current content delivery systems in data networks, particularly in wireless communication networks, face challenges in notifying users of content events while conserving device power, as existing notification systems deliver messages with large payloads, which are not suitable for wireless distribution.
Innovation Solution
A notification system that uses a hierarchical event description dictionary to associate content with event descriptors, compresses these descriptors, and transmits them on a notification channel, allowing devices to efficiently monitor for events of interest without constant power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current notification systems are used to deliver content events to users, then users can be notified of content of interest, but the notification messages have large payloads that consume excessive device power
Solution Approach 1:
The patent extracts only the essential event descriptor information from complete notification messages and transmits only this compressed subset to devices. The event descriptor contains minimal identifying information about content events, allowing devices to determine relevance without receiving full message payloads, thereby reducing power consumption while maintaining notification effectiveness.
Solution Approach 2:
The patent changes the parameter of notification message size by compressing event descriptors into compact representations. Instead of transmitting full notification messages with large payloads, the system transmits compressed event descriptors that use significantly fewer bits, reducing the energy required for transmission and processing while preserving the ability to identify relevant content events.
2Loss of information
If notification messages with complete information are transmitted, then users receive detailed content event information, but the message payload size becomes large and unsuitable for wireless distribution
Solution Approach 1:
The patent extracts only the essential identifying information needed to determine content event relevance, discarding redundant details. The event descriptor contains minimal necessary information such as content identifiers and event types, allowing devices to filter relevant events without receiving complete message content, thus reducing payload size while preventing information loss for decision-making purposes.
Solution Approach 2:
The patent segments notification information into two parts: compressed event descriptors transmitted efficiently over wireless networks, and full message content available locally or on demand. This segmentation allows the critical filtering information to be transmitted with minimal payload while the complete information remains accessible when needed, resolving the contradiction between information completeness and payload size.
3Loss of time
If devices continuously monitor notification channels for content events, then users receive timely notifications, but device power consumption increases
Solution Approach 1:
The patent implements periodic monitoring where devices wake up at intervals to check for compressed event descriptors on notification channels, rather than continuously monitoring. This periodic action allows devices to remain in low-power states between checks while still receiving timely notifications, as the compressed descriptors enable rapid relevance determination that minimizes active monitoring time.
Solution Approach 2:
The patent introduces compressed event descriptors as intermediaries between the notification channel and device processing. These compact descriptors serve as a filtering layer that devices can quickly evaluate to determine relevance, allowing devices to sleep longer between checks and reducing the frequency and duration of active monitoring, thereby reducing power consumption while maintaining timely notification delivery.
Data Source
AI summary
Methods and apparatus for content based notification using hierarchical groups. In an aspect, a method is provided that operates to provide an event notification. The method includes maintaining an event description dictionary comprising one or more event descriptors, and associating content with a selected event descriptor. The method also includes compressing the selected event descriptor to generate a compressed event descriptor, and transmitting the compressed event descriptor on a notification channel.