Bluetooth Low Energy Advertising Control for Wireless LAN Power Management
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Solution Overview
Problem
Existing communication apparatuses face issues with high power consumption and noise interference during high-speed wireless communication methods like wireless LAN, which can disable other functions and reduce user convenience, especially when trying to switch between communication methods according to the Transport Discovery Service (TDS) specifications.
Innovation Solution
A communication apparatus is designed with a first unit for Bluetooth low energy communication and a second unit for non-Bluetooth low energy communication, where it does not transmit advertising packets or sets Transport State Bits to 'Temporarily Unavailable' when certain conditions are met, such as during image capturing, to prevent unnecessary requests for starting wireless LAN communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the communication apparatus transmits advertising packets conforming to TDS specifications to enable wireless LAN communication, then wireless LAN communication can be established, but power consumption increases and battery operation time shortens
Solution Approach 1:
The communication apparatus performs preliminary checks to determine whether wireless LAN communication is actually available before transmitting advertising packets. The control unit checks the operational state of the wireless LAN communication unit and only transmits advertising packets when wireless LAN communication is available, preventing wasteful transmission when the communication method cannot be used.
2Ease of operation
If the communication apparatus transmits advertising packets when wireless LAN communication is temporarily unavailable, then other apparatuses may issue requests for starting wireless LAN communication, but this causes useless processing and reduces battery operation time
Solution Approach 1:
The control unit continuously monitors the operational state of the wireless LAN communication unit and provides feedback by dynamically controlling the transmission of advertising packets. When wireless LAN communication becomes temporarily unavailable (e.g., during image capturing), the control unit stops transmitting advertising packets or transmits packets indicating unavailability, preventing other apparatuses from issuing futile connection requests.
3Speed
If the communication apparatus enables wireless LAN communication function, then high-speed wireless communication is available, but noise interference increases and other functions may be disabled
Solution Approach 1:
The communication apparatus dynamically adjusts its communication method based on real-time operational requirements. The control unit determines whether to use wireless LAN communication or Bluetooth low energy communication depending on the current state (e.g., whether image capturing is in progress), allowing the system to switch between high-speed communication and low-power communication modes as needed.
Data Source
AI summary
A communication apparatus includes a first communication unit that performs communication conforming to Transport Discovery Service specifications based on Bluetooth low energy and a second communication unit that performs communication based on a non-Bluetooth low energy communication method, wherein, in a case where the communication apparatus is in a state in which communication with another communication apparatus based on non-Bluetooth low energy communication method is not performed, the first communication unit does not transmit an advertising packet or transmits an advertising packet in which a value of Transport State Bits is set to “Temporarily Unavailable”.