5G Synchronization Signal Block Transmission Timing
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Solution Overview
Problem
There is a need for the design of signals and channels for measurement and initial cell selection in a 5G system, which differs from existing systems like LTE.
Innovation Solution
A method and device for transmitting and receiving a synchronization signal block in a 5G system, where the synchronization signal block includes a signal for measurement, and is transmitted according to the position of a synchronization subframe within a minimum period for the uplink/downlink configuration in a LTE system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If synchronization signal block is transmitted in 5G system using new design, then measurement and initial cell selection can be optimized for 5G characteristics, but consistency with LTE system and coordination between co-located base stations cannot be maintained
Solution Approach 1:
The synchronization signal block is designed to serve dual purposes: enabling 5G-specific measurement and initial cell selection while simultaneously maintaining compatibility with LTE system timing structures. By anchoring the synchronization subframe to LTE's uplink/downlink configuration minimum period, the system achieves universal functionality across both 5G and LTE networks.
Solution Approach 2:
The patent establishes equipotentiality between 5G and LTE systems by aligning the synchronization signal block transmission timing with LTE's uplink/downlink configuration. This creates equal operational conditions for both systems when co-located, eliminating timing conflicts and ensuring stable coordination between different generation networks.
2Quantity of substance
If synchronization signal block transmission period is extended, then more comprehensive measurement data can be collected, but detection complexity and time consumption in user equipment increases
Solution Approach 1:
The synchronization signal block is transmitted periodically within the LTE uplink/downlink configuration minimum period framework. This periodic transmission structure allows user equipment to collect comprehensive measurement data across multiple periods while maintaining a regular, predictable detection rhythm that reduces processing complexity compared to aperiodic or extended continuous transmission.
Data Source
AI summary
The present disclosure provides a method for transmitting and receiving a synchronization signal block in a 5G system, and a device for transmitting and receiving a synchronization signal block in a 5G system. The method includes: determining a time-domain position of a synchronization subframe, the synchronization subframe being configured to transmit the synchronization signal block, and the synchronization signal block at least comprising a signal for measurement; and transmitting the synchronization signal block according to the position of the synchronization subframe within 5 milliseconds; wherein determining a time-domain position of a synchronization subframe includes: determining a first subframe as the synchronization subframe within 5 milliseconds; or determining first two subframes within 5 milliseconds in a radio frame as the synchronization subframe, wherein the first two subframes comprise a first subframe and a second subframe.