Classic Bluetooth Packet BLE Advertising via Frequency Deviation
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Solution Overview
Problem
Conventional single-mode Classic Bluetooth solutions do not support BLE advertising, preventing the implementation of Bluetooth beacon functions that enhance user experience and are used in various applications such as indoor navigation and information pushing.
Innovation Solution
A method and system for generating and transmitting a BLE advertising packet through Classic Bluetooth by modifying the frequency deviation and skipping transmission phases of the Access Code and Header in Classic Bluetooth packets, allowing the BLE advertising packet to be carried and transmitted effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If Classic Bluetooth is used for connection, then compatibility and device cost are improved, but BLE advertising function and user experience are lost
Solution Approach 1:
The patent enables Classic Bluetooth to perform both traditional connection functions and BLE advertising functions by making the Classic Bluetooth packet structure compatible with BLE advertising packet requirements. The Classic Bluetooth packet can now serve multiple purposes: standard data transmission and BLE beacon advertising, thus achieving multi-functionality without requiring separate hardware for BLE.
Solution Approach 2:
The patent modifies key parameters of the Classic Bluetooth packet structure to match BLE advertising packet specifications. This includes adjusting packet length, modifying the payload format to contain BLE advertising data, and changing frequency deviation parameters. By changing these parameters, Classic Bluetooth can transmit BLE advertising packets while maintaining backward compatibility.
2Device complexity
If Classic Bluetooth packet structure is used, then device complexity is reduced, but BLE advertising packet transmission capability is lost
Solution Approach 1:
The patent introduces a packet structure that acts as an intermediary between Classic Bluetooth and BLE advertising protocols. This intermediate packet format contains fields that satisfy both Classic Bluetooth requirements (header, payload, CRC) and BLE advertising requirements (PDU, access address, preamble). The intermediary structure enables translation between the two protocols without requiring separate transmission paths.
Solution Approach 2:
The patent segments the BLE advertising packet into components that fit within the Classic Bluetooth packet structure. The BLE advertising data is divided and mapped to specific fields in the Classic Bluetooth packet (payload, header extensions), allowing the transmission of BLE functionality through the segmented Classic Bluetooth framework.
3Use of energy by moving object
If Classic Bluetooth transmission parameters are used, then power consumption is reduced, but transmission accuracy for BLE advertising is compromised
Solution Approach 1:
The patent adjusts transmission parameters such as frequency deviation and packet timing to optimize for BLE advertising accuracy while using Classic Bluetooth hardware. By modifying these parameters within the Classic Bluetooth framework, the system achieves better transmission reliability for BLE packets without requiring the higher power consumption of dedicated BLE hardware.
Data Source
AI summary
A method and a system for generating and transmitting a BLE advertising packet through Classic Bluetooth are provided. By modifying the modulation characteristics and packet generation characteristics of Classic Bluetooth, the BLE advertising packet is carried by a Classic Bluetooth packet, the minimum frequency deviation for Classic Bluetooth is modified, and transmission phases of the Access Code and the Header in the Classic Bluetooth packet are skipped when transmitting the Classic Bluetooth packet, such that the BLE advertising packet can be transmitted through Classic Bluetooth, thereby implementing a Bluetooth beacon function.