Radio Head Interface Module Synchronization Loss Detection
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Solution Overview
Problem
Current wireless communication networks face challenges in maintaining data stream synchronization across different modulation standards, leading to idle resources and inefficiencies due to the need for synchronization agreement among various network systems.
Innovation Solution
A communications system and method that utilize fixed synchronization words within data streams to detect and manage loss of synchronization between radio head interface modules and call processing software modules, enabling automatic detection and resynchronization across multiple modulation protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If network systems use multiple modulation standards to support diverse communication protocols, then adaptability is improved, but synchronization reliability deteriorates due to difficulty in maintaining synchronization agreement across different standards
Solution Approach 1:
The patent introduces fixed synchronization words as intermediary markers embedded within data streams of different modulation standards. These synchronization words act as universal reference points that enable synchronization detection across CDMA, WCDMA, TDMA, GSM, and other protocols without requiring protocol-specific synchronization mechanisms, thus resolving the contradiction between multi-standard adaptability and synchronization reliability
Solution Approach 2:
The synchronization words serve multiple functions: they act as synchronization markers, frame delimiters, and alignment references across diverse modulation standards. This universal approach allows a single synchronization mechanism to work across CDMA, WCDMA, TDMA, GSM and other protocols, eliminating the need for separate synchronization systems for each standard
2Reliability
If network systems implement synchronization detection mechanisms to maintain synchronization agreement, then synchronization reliability is improved, but device complexity increases due to additional detection and management overhead
Solution Approach 1:
The synchronization detection mechanism is designed to be self-service by embedding fixed, predetermined synchronization words directly within the data streams. The radio head interface module automatically detects these words without requiring external synchronization management or complex coordination with network controllers, reducing operational overhead while maintaining reliability
Solution Approach 2:
Synchronization words are pre-defined and embedded at fixed positions within data stream frames before transmission. This preliminary placement of synchronization markers eliminates the need for dynamic synchronization negotiation during operation, reducing real-time processing complexity while ensuring reliable detection
3Ease of operation
If fixed synchronization words are embedded in data streams for automatic detection, then ease of operation is improved, but loss of information increases when synchronization is lost due to inability to detect misalignment
Solution Approach 1:
The radio head interface module continuously monitors data streams for fixed synchronization words and provides feedback when synchronization status changes. When a synchronization word is detected or lost, the system automatically adjusts its processing state, enabling real-time detection and correction of misalignment without manual intervention, thus preventing information loss while maintaining ease of operation
Data Source
AI summary
Systems and methods for maintaining data stream synchronization are provided. A system comprises one or more radio head interface modules and a call processing software module each adapted to communicate with each other. The call processing software module performs modulation and demodulation of voice and data streams using one or more air interface standards. The call processing software module communicates a forward data stream to a first radio head interface module. The forward data stream comprises a plurality of data samples representing voice and data streams and a plurality of fixed synchronization words. When the first radio head interface module does not observe the receipt of a first fixed synchronization word of the plurality of fixed synchronization words word from the call processing software module when expected, the first radio head interface module concludes that it has lost synchronization with the call processing software module.