18734721. Equalization for Pulse-Amplitude Modulation simplified abstract (Micron Technology, Inc.)
Contents
Equalization for Pulse-Amplitude Modulation
Organization Name
Inventor(s)
Kang-Yong Kim of Boise ID (US)
Timothy M. Hollis of Meridian ID (US)
Dong Soon Lim of Boise ID (US)
Equalization for Pulse-Amplitude Modulation - A simplified explanation of the abstract
This abstract first appeared for US patent application 18734721 titled 'Equalization for Pulse-Amplitude Modulation
The patent application focuses on equalization with pulse-amplitude modulation (PAM) signaling to improve symbol decoding reliability in high-frequency bus systems. Decision-feedback equalization (DFE) is typically used for this purpose but can be costly in terms of chip area and power consumption. The innovation proposes applying DFE to a subset of voltage level determination paths in a receiver, such as coupling a DFE circuit between an output and an input of a middle slicer in PAM4 signaling. By compressing the middle eye of the PAM4 signal, symbol detection reliability can be maintained with fewer DFE circuits, allowing for more efficient use of resources.
- Equalization with PAM signaling for improved symbol decoding reliability
- Use of decision-feedback equalization (DFE) in high-frequency bus systems
- Application of DFE to a subset of voltage level determination paths in a receiver
- Coupling DFE circuit between output and input of a middle slicer in PAM4 signaling
- Compressing middle eye of PAM4 signal to maintain symbol detection reliability with fewer DFE circuits
Potential Applications: - High-speed data communication systems - Networking equipment - Telecommunications devices
Problems Solved: - Improving symbol decoding reliability in high-frequency bus systems - Reducing chip area and power consumption in receivers
Benefits: - Enhanced symbol detection reliability - More efficient use of resources - Cost-effective implementation in high-frequency bus systems
Commercial Applications: Title: "Enhancing Symbol Decoding Reliability in High-Frequency Bus Systems" This technology can be applied in various commercial sectors such as telecommunications, networking, and high-speed data communication systems. By improving symbol decoding reliability and reducing chip area and power consumption, companies can enhance the performance of their products and reduce costs.
Questions about Equalization with PAM Signaling: 1. How does the application of decision-feedback equalization (DFE) improve symbol decoding reliability in high-frequency bus systems? 2. What are the potential commercial applications of this technology in the telecommunications industry?
Frequently Updated Research: Researchers are continually exploring new methods and algorithms to enhance symbol decoding reliability in high-frequency bus systems. Stay updated on the latest advancements in equalization techniques for PAM signaling to improve data transmission efficiency.
Original Abstract Submitted
Described apparatuses and methods are directed to equalization with pulse-amplitude modulation (PAM) signaling. As bus frequencies have increased, the time for correctly transitioning between voltage levels has decreased, which can lead to errors. Symbol decoding reliability can be improved with equalization, like with decision-feedback equalization (DFE). DFE, however, can be expensive for chip area and power usage. Therefore, instead of applying DFE to all voltage level determination paths in a receiver, DFE can be applied to a subset of such determination paths. With PAM4 signaling, for example, a DFE circuit can be coupled between an output and an input of a middle slicer. In some cases, symbol detection reliability can be maintained even with fewer DFE circuits by compressing a middle eye of the PAM4 signal. The other two eyes thus have additional headroom for expansion. Encoding schemes, impedance terminations, or reference voltage levels can be tailored accordingly.
