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Method and apparatus for symbol-error-rate (SER) based tuning of transmitters and receivers

a technology of error rate and transmitter, applied in the direction of error prevention, digital transmission, electrical equipment, etc., can solve the problems of average signal noise, inability to use signal levels as a metric for tuning a transmitter, and generally not optimal tuning techniques

Active Publication Date: 2022-04-14
MELLANOX TECHNOLOGIES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a method and apparatus for tuning communication systems based on symbol-error-rate. This involves using a symbol checker to compare second binary sequence data provided by a transmitter with first binary sequence data generated by a symbol generator of the receiver. The method includes determining error count data related to a number of errors for symbols associated with the second binary sequence data, and determining total count data related to a number of symbols associated with the first binary sequence data. The method also includes determining error ratio data associated with the transmitter based on the error count data and the total count data. The invention can be used in various communication systems, such as optical transmitters or electrical transmitters, and can be implemented using software or hardware logic circuitry. The technical effect of the invention is to improve the accuracy and reliability of communication systems by reducing errors in transmission.

Problems solved by technology

However, with this approach, noise associated with the signal is averaged out and the noise is not factored in for the equalization.
As such, employing signal levels as a metric for tuning a transmitter is generally not an optimal technique for tuning the transmitter.

Method used

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  • Method and apparatus for symbol-error-rate (SER) based tuning of transmitters and receivers
  • Method and apparatus for symbol-error-rate (SER) based tuning of transmitters and receivers
  • Method and apparatus for symbol-error-rate (SER) based tuning of transmitters and receivers

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Embodiment Construction

[0022]Example embodiments will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all, embodiments are shown. Indeed, the embodiments may take many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements. Like reference numerals refer to like elements throughout. The terms “exemplary” and “example” as may be used herein are not provided to convey any qualitative assessment, but instead merely to convey an illustration of an example. Thus, use of any such terms should not be taken to limit the spirit and scope of embodiments of the present invention.

[0023]Embodiments of the present disclosure are described below with reference to block diagrams and flowchart illustrations. Thus, it should be understood that each block of the block diagrams and flowchart illustrations may be implemented in...

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Abstract

Embodiments are disclosed for a sequence selective symbol checker for communication systems. An example method includes configuring a symbol checker of a receiver with first binary sequence data generated by a symbol generator of the receiver. The example method also includes comparing, using the symbol checker, second binary sequence data provided by a transmitter to the first binary sequence data to generate error count data related to a number of errors for symbols associated with the second binary sequence data. The example method also includes determining total count data related to a number of symbols associated with the first binary sequence data. The example method also includes determining error ratio data associated with the transmitter based on the error count data and the total count data.

Description

TECHNOLOGICAL FIELD[0001]Embodiments of the present invention relate generally to a method and apparatus for symbol-error-rate based tuning of transmitters and receivers.BACKGROUND[0002]Communication systems are generally composed of a transmitter, a receiver, and a channel. The transmitter generates a signal conveying information, which, after being transmitted over a channel, is received and recovered at the receiver. Information in the form of symbols embedded in the signal is generally set by the transmitter, and the symbol frequency, symbol phase, and symbol timing may be recovered by the receiver. Furthermore, communication systems often employ modulation to vary properties of a signal being transmitted by a transmitter. A common type of modulation is pulse-amplitude-modulation (PAM) that encodes information via an amplitude of a signal.[0003]In a Pulse-Amplitude-Modulated, n-Level, (PAMn) optical or electrical signaling system, the transmitter generally employs equalization t...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04B14/02
CPCH04B14/023H04L1/242H04L1/203H04L1/00
Inventor MOHR, JOHAN JACOBPEDERSEN, BJARKE VADCHRISTENSEN, BENNY
Owner MELLANOX TECHNOLOGIES LTD
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