Multilevel Signal Transmitting Device for Bandwidth and Power Optimization
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Solution Overview
Problem
Current communication schemes for electronic components, such as personal computers and smartphones, face challenges in increasing bandwidth while reducing power consumption, particularly in high-speed data transmission between components like processors and memory devices.
Innovation Solution
A transmitting device is developed that utilizes a balanced code multilevel signal transmission scheme, where a logic circuit generates control symbols to change wire states, and transmission drivers adjust voltage levels of multiple wires to transmit data, allowing for high-speed communication by driving wires to high, middle, or low levels based on control signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional serial communication schemes are used, then device compatibility is maintained, but bandwidth is limited and power consumption is high
Solution Approach 1:
The patent applies parameter changes by transitioning from conventional binary signal transmission to multilevel signal transmission, where wires can assume multiple voltage levels (e.g., high, middle, low) to encode more data per symbol. This changes the fundamental transmission parameter from 2 states to N states, thereby increasing bandwidth while the efficient encoding schemes reduce power consumption
Solution Approach 2:
The patent segments the communication protocol into distinct functional components: encoding stage (converting data to control symbols), transmission stage (driving wires to appropriate voltage levels), and decoding stage (reconstructing data from received symbols). This segmentation allows optimized handling of bandwidth and power consumption at each stage independently
2Productivity
If multilevel signal transmission is implemented, then bandwidth is increased, but system complexity increases
Solution Approach 1:
The patent introduces control symbols as an intermediary representation layer between the data to be transmitted and the actual wire voltage levels. These control symbols serve as a standardized intermediate format that simplifies the encoding and decoding processes, making the multilevel transmission system more manageable despite increased bandwidth capabilities
Solution Approach 2:
The patent implements dynamic wire state management where wires can transition between multiple voltage levels (high, middle, low) based on the control symbols. This dynamic capability allows the system to adapt transmission patterns to maximize bandwidth utilization while managing complexity through controlled state transitions rather than static wiring configurations
Data Source
AI summary
A transmitting device may include a logic circuit, a transmission controller, and a transmission driver. The encoder may generate transmission control signals based on control symbols. The transmission controller may generate driving control signals based on the transmission control signals. The transmission driver may drive a wire to one level among multiple levels, based on the driving control signals.