Peripheral Device Local Information Storage for Wireless Connection
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Solution Overview
Problem
Traditional Bluetooth and Bluetooth Low Energy (BLE) technologies face limitations such as restricted range, limited data capacity throughput, and susceptibility to interference from other devices in the same frequency band.
Innovation Solution
A method and apparatus for wireless communication in a peripheral device that involves receiving a command for information from another peripheral device, and providing this information from local storage, thereby reducing the need for link manager protocol (LMP) messages and conserving signaling resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If traditional Bluetooth or BLE protocols are used for WPAN communication, then device connectivity and data transfer are enabled, but power consumption increases and data transmission speed decreases
Solution Approach 1:
The patent applies preliminary action by pre-storing information from the second peripheral device in the local information store of the first peripheral device before it is needed. This allows the system to retrieve locally stored information instead of requesting and transmitting data in real-time, thereby reducing power consumption while maintaining data transmission capability. The local information store is populated in advance during connection establishment or previous interactions.
2Loss of information
If information is requested from the second peripheral device through LMP messages, then accurate device information is obtained, but signaling resources are consumed and latency increases
Solution Approach 1:
The patent applies preliminary action by pre-obtaining and storing information from the second peripheral device in the local information store before actual connection establishment. This eliminates the need for time-consuming LMP message exchanges during connection setup, as the information is already available locally. The local store is populated in advance, reducing both information loss and time loss.
Solution Approach 2:
The patent applies copying by creating a local copy of information from the second peripheral device and storing it in the local information store. Instead of repeatedly requesting the same information through LMP messages, the system maintains a local copy that can be retrieved instantly. This copying mechanism preserves information accuracy while eliminating the time delay associated with real-time information requests.
3Loss of information
If LMP messages are used to exchange information between peripheral devices, then complete device information is transferred, but bandwidth is consumed and connection efficiency decreases
Solution Approach 1:
The patent applies extraction by removing the need for LMP message exchanges for information transfer. Instead of using the standard LMP protocol pathway, the system extracts information from the second peripheral device and stores it locally in advance. This eliminates the bandwidth consumption and efficiency loss associated with repeated LMP message transmissions while maintaining complete information transfer.
Solution Approach 2:
The patent applies preliminary action by pre-transferring and storing complete device information in the local information store before actual connection establishment. This allows the system to have complete information available without using bandwidth-intensive LMP messages during the connection process, thereby improving connection efficiency while maintaining information completeness.
4Productivity
If Bluetooth BR/EDR protocol is used for WPAN communication, then higher data transmission rates are achieved, but power consumption becomes impractical for battery-operated devices
Solution Approach 1:
The patent applies preliminary action by pre-storing information in the local information store during periods when the device is active or during connection establishment. This allows the device to operate in low-power BLE mode for extended periods while maintaining the capability for high-rate data transmission when needed, as the information is already cached locally and does not require continuous high-power communication.
Solution Approach 2:
The patent applies periodic action by utilizing periods of device activity or connection establishment to populate the local information store. During these active periods, information is transferred and stored. During inactive periods, the device can enter low-power sleep mode, knowing that the local store contains the necessary information. This periodic information refresh approach enables high data rates when needed while minimizing power consumption during idle periods.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first peripheral device may receive, at a controller layer from a host layer, a command for information from a second peripheral device associated with the first peripheral device. The first peripheral device may provide, from the controller layer to the host layer, the information from local information stored at the first peripheral device. Numerous other aspects are described.