Large-scale MIMO precoding method based on user scheduling under Internet of Vehicles

A user scheduling and multi-user scheduling technology, applied in the field of massive MIMO precoding, can solve problems such as shortage, achieve high user channel gain, and reduce the effect of system bit error rate

Pending Publication Date: 2022-05-06
CHONGQING INST OF ENG
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For the increasing demand for vehicle-to-everything (V2X) communication and the shortage of spectrum resources, the traditional Multiple Input Multiple Output (MIMO) technology has been unable to meet the current user's demand for com

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
  • Large-scale MIMO precoding method based on user scheduling under Internet of Vehicles
  • Large-scale MIMO precoding method based on user scheduling under Internet of Vehicles
  • Large-scale MIMO precoding method based on user scheduling under Internet of Vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] In this application, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes none. other elements specifically listed, or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by th...

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 provides a large-scale MIMO precoding method based on user scheduling under the Internet of Vehicles. The method comprises the following steps: S1, establishing a channel model of large-scale MIMO under the Internet of Vehicles; s2, multi-user scheduling combining channel correlation and channel conditions is carried out, and a scheduling user set is obtained; and S3, pre-coding based on block diagonalization is carried out according to a multi-user scheduling result, and the purpose of eliminating interference is achieved. According to the multi-user scheduling-based pre-coding method for the Internet of Vehicles, provided by the invention, service can be carried out by selecting a high-quality user set, so that a larger user diversity gain can be obtained, the error rate of the system can be effectively reduced, and the throughput rate of the Internet of Vehicles system can be improved.

Description

Technical field: [0001] The invention relates to the field of wireless communication, in particular to a massive MIMO precoding method based on user scheduling under the Internet of Vehicles. Background technique: [0002] For the increasing demand for vehicle-to-everything (V2X) communication and the shortage of spectrum resources, the traditional Multiple Input Multiple Output (MIMO) technology has been unable to meet the current user's demand for communication service quality. The massive MIMO technology can enhance diversity and multiplexing gain. Therefore, using the massive MIMO technology in the V2X field can provide vehicles with high data rates and highly reliable communications. At the same time, due to the limited resources of the V2X system, it is very necessary to study how to increase the system transmission rate and increase the user diversity gain in multi-user joint communication. [0003] In a multi-user and multi-cell V2X environment, designing a precodin...

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): H04B7/0456H04W4/40
CPCH04B7/0456H04W4/40Y02D30/70
Inventor 何世彪杜洁汝尹子松廖勇
Owner CHONGQING INST OF ENG
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap