Mode Switching Wireless Communication Module for Power and Speed Trade-off
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Solution Overview
Problem
Providers of electronic media face challenges in capturing the interest of users who prefer traditional media formats, while needing a viable and business-friendly solution for delivering digital content.
Innovation Solution
A mode switching user device with a wireless communication module that can switch between communication protocols to efficiently download and consume digital media items, using a system that includes a user device, an item-providing system, and a communication infrastructure to facilitate seamless content delivery and power conservation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a user device uses a single communication protocol for downloading media items, then the device structure remains simple, but the device cannot adapt to different network conditions and user preferences for varying data communication rates
Solution Approach 1:
The wireless communication module is designed to support multiple communication protocols (EV-DO and 1xRTT) within a single integrated module, enabling the device to function across different network types without requiring separate hardware for each protocol
Solution Approach 2:
The communication module dynamically switches between EV-DO and 1xRTT protocols based on network availability, signal strength, and desired data communication rates, allowing the system to adapt to changing conditions rather than being fixed to a single protocol
2Speed
If the wireless communication module continuously monitors for paging messages, then the device can respond quickly to content updates, but the device consumes excessive power
Solution Approach 1:
The device transitions between active and sleep modes, periodically waking to check for paging messages and then returning to sleep mode. This periodic monitoring approach balances the need to detect content updates with the need to conserve battery power during idle periods
Solution Approach 2:
The system uses event-driven architecture where the device only activates full processing when triggered by specific events such as receiving a paging message or user interaction, allowing the system to remain in low-power states between events
3Productivity
If the device switches communication protocols mid-download, then the device can optimize for available network conditions, but the download process becomes complex and may fail
Solution Approach 1:
The device establishes the communication protocol and connection parameters before initiating the download process. Once connected, the protocol remains fixed for the duration of the download, preventing mid-download protocol switching while still allowing initial protocol selection based on network conditions
Solution Approach 2:
If a download cannot be completed using the current protocol or network conditions deteriorate, the system abandons the current download attempt and can retry using a different protocol, treating individual download sessions as disposable rather than maintaining complex protocol switching during active transfers
Data Source
AI summary
An item-providing system supplies items to a user device for consumption at the user device via communication infrastructure. In one representative implementation, a user device includes a mode switching wireless communication module. The mode switching wireless communication module is adapted to receive a first paging signal via a first communication protocol when in a first mode of operation and adapted to receive a second paging signal via a second communication protocol when in a second mode of operation. The user device also includes a to-do list processing module. In response to receiving one of the first or second paging signal, the to-do list processing module sends a request to a remote network device. The request requests that one or more instructions be sent from the remote network device.