Dual-Mode Wireless Handshaking for Wearable Power Management
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Solution Overview
Problem
Wireless communication handshaking processes in digital devices are energy intensive, leading to significant battery resource consumption, especially in devices with limited power sources like wearable cameras, which require efficient power management to extend battery life.
Innovation Solution
Implementing a dual-mode wireless communication system with low-power Bluetooth Low Energy (BLE) for basic signaling and high-speed wireless connections for data transfer, where the low-power circuitry is used for extended battery life and the high-speed circuitry is powered down when not in use to conserve energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If high-speed wireless connections are used for data transfer, then data transfer speed is improved, but battery consumption increases
Solution Approach 1:
The wireless communication system is segmented into two distinct modes: low-power Bluetooth Low Energy (BLE) for basic signaling and high-speed wireless connections for data transfer. This segmentation allows the device to use only the necessary communication mode for each task, avoiding unnecessary energy consumption from high-speed connections during simple signaling operations.
Solution Approach 2:
The system dynamically switches between low-power and high-speed wireless circuitry based on operational requirements. The low-power circuitry remains active for extended periods handling basic signaling, while the high-speed circuitry is activated only when data transfer is needed, creating a dynamic power management strategy that adapts to real-time needs.
2Duration of action of moving object
If low-power wireless circuitry is used for extended periods, then battery life is extended, but data transfer capability is limited
Solution Approach 1:
The wireless communication capability is segmented into two distinct circuit systems: low-power Bluetooth Low Energy (BLE) circuitry optimized for extended operation and basic signaling, and high-speed wireless circuitry optimized for rapid data transfer. This segmentation enables the device to maintain extended battery life through predominant use of low-power circuitry while preserving high-speed data transfer capability when needed.
Solution Approach 2:
The device incorporates dual wireless communication systems that provide multi-functionality: the low-power circuitry handles basic signaling and can maintain connections over extended periods, while the high-speed circuitry handles bulk data transfer. Together, these systems provide universal wireless communication capability across different operational requirements.
3Ease of operation
If high-speed circuitry is continuously powered on, then data transfer readiness is improved, but power consumption increases
Solution Approach 1:
The low-power wireless circuitry performs preliminary actions by maintaining basic signaling connections and managing communication protocols continuously at low power consumption. This preliminary management of connections and protocols ensures that when high-speed data transfer is needed, the high-speed circuitry can be activated quickly without requiring full system initialization, thus maintaining readiness while conserving power.
Solution Approach 2:
The low-power wireless circuitry acts as an intermediary that manages basic signaling and coordination functions. It handles connection establishment, authentication, and protocol management, allowing the high-speed circuitry to focus solely on rapid data transfer when activated, thereby reducing the overall power consumption while maintaining operational readiness.
Data Source
AI summary
Systems and methods for device handshaking are described. Embodiments for client device and associated wearable device initiated handshaking are described. In certain embodiments, a device such as wearable camera eyeglasses having both high-speed wireless circuitry and low-power wireless circuitry communicates with a client device. The low-power wireless circuitry is used for signaling and to manage power on handshaking for the high-speed circuitry in order to reduce power consumption. An analysis of a high-speed connection status may be performed by a client device, and used to conserve power at the glasses with signaling from the client device to indicate when the high-speed circuitry of the glasses should be powered on.