Wireless Communication Synchronization via Packet Timing Exchange
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Solution Overview
Problem
Existing wireless communication systems require a synchronization device to establish synchronization between networks, which limits their application in mobile and widespread communication systems like inter-vehicle communication, where setting up such devices is impractical.
Innovation Solution
A wireless communication system where wireless communication units can synchronize without a dedicated synchronization device by exchanging identification information and reception times of data packets to calculate the necessary time difference for synchronization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a synchronization device is set up to establish synchronization between networks, then synchronization can be achieved, but the device complexity and requirement for dedicated synchronization equipment increases
Solution Approach 1:
The patent enables wireless communication units to perform synchronization autonomously by exchanging timing information through normal data communication. Each unit uses its own received timing data to calculate and adjust its clock, eliminating the need for dedicated synchronization equipment while maintaining reliable time synchronization across the network.
Solution Approach 2:
The patent makes normal data communication packets serve dual purposes: both data transmission and synchronization signal carrying. By embedding timing information in regular communication packets, the system eliminates the need for separate synchronization devices and uses existing communication infrastructure for both data and synchronization functions.
2Reliability
If a synchronization device is deployed, then time synchronization is achieved, but the adaptability to mobile and widespread communication systems is reduced
Solution Approach 1:
The patent implements a dynamic synchronization mechanism where timing information is continuously exchanged through ongoing data communications. This allows synchronization to be maintained and updated in real-time as communication units move and change their positions, making the system adaptable to mobile environments without requiring fixed synchronization infrastructure.
Solution Approach 2:
Each wireless communication unit independently performs synchronization using timing information received during normal operation. This self-service approach allows the system to adapt to mobile and widespread deployments without requiring centralized synchronization control or dedicated equipment, as each unit autonomously adjusts its own timing based on exchanged information.
3Reliability
If a synchronization terminal is arranged in advance, then synchronization range is limited to signal reach, but the ease of operation in widespread areas is reduced
Solution Approach 1:
The patent uses normal data communication packets as intermediaries to transmit timing information between wireless communication units. These packets serve as the medium for synchronization, allowing timing information to propagate through the network without requiring dedicated synchronization signals or terminals, thereby enabling widespread area coverage.
Solution Approach 2:
The patent makes all data communication packets universal carriers of both data and timing information. This multi-functionality allows synchronization to occur throughout the entire network area using existing communication infrastructure, eliminating the need for separate synchronization terminals and enabling operation in widespread areas without signal range limitations.
Data Source
AI summary
In a wireless communication system, a first wireless communication unit receives a first data including identification information associated with the first data transmitted from a third wireless communication unit; generates, when needed to share a specific time with a second wireless communication unit, a second data associated with a first reception time of the received first data; and transmits the second data and the identification information of the received first data. The second wireless communication unit calculates, upon reception of the identification information and the second data, if it is judged that the first data has previously been received based on the identification information, a time value needed to synchronize with the first wireless communication unit, based on a second reception time of the first data previously received and the first reception time of the first data associated with the second data transmitted from the first wireless communication unit.