Multicarrier Synchronization Channel Subdivision
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Solution Overview
Problem
In mobile communication systems, the synchronization acquisition process is complex and inefficient due to the need for multi-step synchronization procedures, which requires subdividing the synchronization channel to allocate it to a minimum radio resource region effectively in multicarrier systems.
Innovation Solution
The method involves generating a multicarrier symbol comprising at least two subsymbols using a multicarrier transmission scheme, where subsymbols are multiplexed using time division multiplexing (TDM), frequency division multiplexing (FDM), or code division multiplexing (CDM) schemes to allocate synchronization information efficiently, reducing the complexity of the synchronization procedure and optimizing radio resource usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the synchronization channel is subdivided to allocate it to a minimum radio resource region in multicarrier systems, then the radio resource usage is optimized, but the synchronization acquisition process becomes complex and inefficient
Solution Approach 1:
The synchronization channel is segmented into multiple sub-synchronization channels, each carrying different types of synchronization information. This segmentation allows efficient allocation to minimum radio resource regions while maintaining organized and manageable synchronization procedures through structured division of the channel into functional parts.
Solution Approach 2:
Multiple sub-synchronization channels are multiplexed in the time domain within a single multicarrier symbol structure. This dimensional approach allows the system to allocate synchronization information efficiently across time resources while presenting a unified channel structure to higher layers, thereby optimizing radio resource usage without increasing procedural complexity.
2Productivity
If multiple sub-synchronization channels are multiplexed in time domain within one multicarrier symbol, then data transmission efficiency is enhanced, but the signal generation process becomes more complex
Solution Approach 1:
The multicarrier symbol is segmented into multiple subsymbols in the time domain, with each subsymbol carrying a specific sub-synchronization channel. This segmentation enables efficient multiplexing of multiple synchronization information streams while maintaining a regular and systematic signal generation process through standardized subsymbol construction.
Solution Approach 2:
The multicarrier symbol structure is designed to universally accommodate multiple sub-synchronization channels through a standardized subsymbol framework. This multi-functional structure allows the same signal generation mechanism to handle different types of synchronization information efficiently, thereby enhancing data transmission capability without proportionally increasing signal generation complexity.
Data Source
AI summary
A method for a transmitting side to transmit a sync channel in a wireless communication system using a multicarrier is disclosed. The present invention includes the steps of generating one synchronization channel including a plurality of sub-synchronization channels and the generated multicarrier symbol to a receiving side via the synchronization channel. Accordingly, the present invention enables the transmitting side to efficiently use a radio resource, thereby raising data transmission efficiency of synchronization channel.