Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Carrier phase estimation method, device and equipment and computer readable storage medium

A carrier phase and phase noise technology, applied in the field of communication, can solve problems such as unfavorable hardware implementation and high algorithm complexity

Active Publication Date: 2020-07-03
ZTE CORP
View PDF7 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a carrier phase estimation method, device, equipment and computer storage medium, aiming to solve the technical problem that the current algorithm complexity is too high when estimating and compensating phase noise, which is not conducive to hardware implementation

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Carrier phase estimation method, device and equipment and computer readable storage medium
  • Carrier phase estimation method, device and equipment and computer readable storage medium
  • Carrier phase estimation method, device and equipment and computer readable storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052]It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0053] Such as figure 1 as shown, figure 1 It is a schematic diagram of the terminal structure of the hardware operating environment involved in the solution of the embodiment of the present invention.

[0054] The terminal in this embodiment of the present invention is a carrier phase estimation device.

[0055] Such as figure 1 As shown, the terminal may include: a processor 1001 , such as a CPU, a network interface 1004 , a user interface 1003 , a memory 1005 , and a communication bus 1002 . Wherein, the communication bus 1002 is used to realize connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a carrier phase estimation method and device, equipment and a storage medium, and the method comprises the steps: carrying out the digital signal processing of a to-be-measuredsignal obtained in a current code element, and obtaining a phase noise signal only with phase noise; rotating the phase noise signal based on each preset test angle to obtain each rotation signal, and obtaining an error value corresponding to each rotation signal based on an error function; obtaining a minimum error value in the error values, and determining a phase angle corresponding to the minimum error value and two phase angles adjacent to the phase angle left and right; determining an optimal phase angle based on the minimum error value, the phase angle corresponding to the minimum error value and two phase angles adjacent to the left and right sides of the phase angle; and obtaining each estimated phase angle before the current code element, and determining a target phase angle based on the optimal phase angle and each estimated phase angle. According to the method, the technical effects of greatly reducing the algorithm complexity and facilitating hardware implementation underthe condition of not reducing the phase noise compensation precision are achieved.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a carrier phase estimation method, device, equipment and computer-readable storage medium. Background technique [0002] In a coherent optical communication system, since both the transmitting-end laser and the receiving-end laser have a certain linewidth, the received signal inevitably has phase noise. Phase noise will seriously degrade system performance, so we need to correctly estimate and compensate for phase noise. [0003] Coherent optical communication system receivers generally use coherent digital receivers, which can compensate for transmission impairments in received signals in the digital domain, such as chromatic dispersion compensation, polarization mode dispersion compensation, clock recovery, frequency offset compensation, and phase Compensation etc. The current mainstream phase estimation and compensation algorithms include Vertebi-Vertebi al...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04B10/61
CPCH04B10/6165H04B10/61
Inventor 张良俊
Owner ZTE CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com