Data Interface Equalization for Unequal TX and RX Counts
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Solution Overview
Problem
Existing equalization parameter adjustment methods for data interfaces are limited to scenarios where the number of transmitters (TXs) and receivers (RXs) are the same, failing to provide universal applicability when quantities differ.
Innovation Solution
A method that involves a second device determining equalization parameter indication information and sending an equalization training sequence block (ETSB) to adjust TX parameters on a first data interface, allowing adjustment even when TXs and RXs are not in a one-to-one correspondence, with adaptive adjustments based on bit error rates and pre-adjustment mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If equalization parameters of TX and RX in each lane are separately adjusted according to standard protocols, then data transmission accuracy is ensured, but the method is only applicable when quantities of TXs and RXs are the same, reducing universality
Solution Approach 1:
The patent extends the equalization parameter adjustment method to work in both scenarios: when TX and RX quantities are the same (traditional scenario) and when they differ (new scenario). The second device can identify which TX corresponds to the first RX and send ETSB through appropriate transmission paths, making the method universally applicable regardless of TX/RX quantity matching.
Solution Approach 2:
The patent introduces equalization target indication information as an intermediary mechanism. This indication information acts as a mediator that guides the first device to correctly identify which TX should have its equalization parameters adjusted, enabling the system to handle cases where TX and RX quantities differ by establishing a logical mapping relationship rather than requiring physical one-to-one correspondence.
2Reliability
If equalization parameters are adjusted for all TXs and RXs, then comprehensive data transmission quality is achieved, but power consumption increases
Solution Approach 1:
The patent implements partial action by adjusting equalization parameters only for necessary TXs and RXs rather than all of them. The second device determines which TXs need equalization adjustment based on the first RX and sends ETSB only to those specific TXs, avoiding unnecessary power consumption from adjusting parameters of TXs that don't require it.
Solution Approach 2:
The patent uses feedback mechanisms where the first device sends data streams back to the second device, which then determines whether equalization adjustment is needed based on transmission quality metrics like bit error rates. This feedback loop allows the system to perform equalization adjustment only when and where necessary, optimizing power consumption while maintaining transmission quality.
Data Source
AI summary
Embodiments of this application disclose a data interface equalization adjustment method and apparatus, a device, and a storage medium, and relate to the field of data interface technologies. The method includes: A second device determines equalization parameter indication information of a first transmitter TX on a first data interface. The second device sends a first equalization training sequence block ETSB to a corresponding RX on the first data interface through a TX on a second data interface, where the first ETSB carries the equalization parameter indication information and equalization target indication information, and the equalization target indication information indicates that the first TX is an equalization target. The first device determines the equalization target to be the first TX based on the equalization target indication information, and adjusts an equalization parameter of the first TX to an equalization parameter indicated by the equalization parameter indication information.