DECT Synchronization with Hybrid Mobile Components
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Solution Overview
Problem
In DECT-based multicell communication systems, mobile components attempting to synchronize with a hybrid mobile component mistaken for a base station fail due to incomplete continuous broadcast downlink service, leading to unsuccessful synchronization.
Innovation Solution
Implementing a method to identify and differentiate the continuous broadcast downlink service provided by hybrid mobile components in active distributed communication, using distinct synchronization words or messages to indicate non-continuous or partial service, thereby preventing mobile components from synchronizing with hybrid mobile components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If hybrid mobile components provide continuous broadcast downlink service, then distributed communication capability is improved, but mobile components may mistakenly synchronize with hybrid components instead of base stations
Solution Approach 1:
The patent applies the principle of color changes by using distinct synchronization words (different signal patterns) to differentiate between base stations and hybrid mobile components. Base stations transmit synchronization word A while hybrid components transmit synchronization word B, allowing mobile components to visually 'distinguish' (through signal recognition) which type of transmitter they are receiving, thereby preventing mistaken synchronization with hybrid components while maintaining the distributed communication capability.
2Speed
If mobile components attempt to synchronize with any available downlink service, then synchronization speed is improved, but futile synchronization attempts with hybrid components waste system resources
Solution Approach 1:
The patent applies preliminary action by having mobile components perform a preliminary check of the synchronization word before committing to synchronization. The mobile component first receives and identifies the synchronization word type (A for base station, B for hybrid component), and only proceeds with full synchronization if the word indicates a base station. This preliminary discrimination action prevents futile synchronization attempts with hybrid components, thereby maintaining system efficiency while allowing rapid synchronization with legitimate base stations.
Data Source
AI summary
In order to prevent in a communication system covering at least one cell for wireless communication, the system having a line-limited or across-line wireless direct communication possibility between mobile phones that is synchronized with a base station, that mobile parts attempt to synchronize in the communication system with a continuous broadcast downlink service provided by a hybrid mobile part, it is proposed to mark the continuous broadcast downlink service of the hybrid mobile part, which assumes the role of a radio fixed part, so that mobile parts, which want to synchronize with a true radio fixed part, can detect that the service provided by the hybrid mobile part is not permanently available, or even incomplete.