High Speed Transceiver Lower Rate Data Recovery
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
High-speed transceivers face complexity and cost issues when receiving lower data rate transmissions, as they require external comma detection and alignment circuits, leading to unusable elastic storage and clock correction, and increased complexity in clocking schemes.
Innovation Solution
A high-speed transceiver design that includes an oversampling module, transition boundary module, and memory module to process n-bit data words at a lower data transmission rate, determining transition boundaries and selecting representative bits to produce a recovered data word, thereby reducing the need for external components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a high-speed transceiver uses external comma detection and alignment circuits for lower data rate transmissions, then the transceiver can receive lower rate data, but the device complexity and cost increase
Solution Approach 1:
The patent merges the comma detection and alignment functions into the transceiver's internal logic, eliminating the need for external circuits. The transceiver internally identifies comma characters and performs alignment operations that were previously handled by separate external components, thereby reducing overall system complexity while maintaining the ability to receive lower data rate transmissions.
Solution Approach 2:
The transceiver is designed to perform multiple functions: it can operate at high data rates using its primary serializer/deserializer and also receive lower rate data by internally implementing comma detection and alignment. This multi-functionality eliminates the need for separate external circuits for low-rate operation, reducing device complexity.
2Adaptability or versatility
If external comma detection and alignment circuits are used for lower data rates, then the transceiver can process lower rate data, but the elastic storage and clock correction become unusable
Solution Approach 1:
By integrating comma detection and alignment into the transceiver's internal logic, the patent ensures that the elastic storage and clock correction functions remain internally accessible and functional. The internal implementation allows these functions to operate together as a unified system, maintaining reliability for both high and low data rate transmissions.
3Adaptability or versatility
If external comma detection and alignment circuits are implemented, then the transceiver can support lower data rates, but the clocking scheme complexity increases
Solution Approach 1:
The patent combines the clocking functions with the internal comma detection and alignment logic, creating a unified clock management system. This integration simplifies the clocking scheme by eliminating the need for separate external clocking circuits and reducing the overall complexity of timing management for both high and low data rate operations.
Data Source
AI summary
A high speed transceiver operable to receive lower data rate transmissions includes an oversampling module, an aligning module, a selecting module, and a memory module. The oversampling module is operably coupled to oversample an n-bit data word at an oversampling rate of m to produce an m by n bit oversampled data word, wherein the n-bit data word is received at a first data transmission rate that is less than a serial bit rate of the high speed transceiver. The transition boundary module is operably coupled to determine transition boundary data of the m by n bit oversampled data word in accordance with a clock of the high speed transceiver to produce transition boundary data. The selecting module is operably coupled to select representative bits in accordance with the transition boundary data to produce a recovered data word. The memory module is operably coupled to store the recovered data word.