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

Channel estimation method, reference signal transmission method, device and system

A technology of reference signal and channel estimation, applied in the field of communication, can solve the problems of reduced throughput of communication system and increase of wireless resource overhead, etc., to achieve the effects of ensuring throughput, improving performance, and reducing wireless resource overhead

Active Publication Date: 2020-09-08
HUAWEI TECH CO LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of using more resources to send reference signals in order to obtain a better channel estimation effect, resulting in an increase in wireless resource overhead and a decrease in the throughput of the communication system, an embodiment of the present invention provides a channel estimation method, a reference Signal transmission method, device and system

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
  • Channel estimation method, reference signal transmission method, device and system
  • Channel estimation method, reference signal transmission method, device and system
  • Channel estimation method, reference signal transmission method, device and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0168] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0169] The "module" mentioned in this article refers to the program or instruction that can realize certain functions stored in the memory; the "unit" mentioned in this article refers to a functional structure divided according to logic, and the "unit" can be composed of Pure hardware implementation, or a combination of software and hardware.

[0170] The "plurality" mentioned herein means two or more. "And / or" describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and / or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently. The character " / " generally indicates that the contextual objects are an "or" relationship.

[...

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 channel estimation method, a reference signal sending method, a device and a system, which belong to the field of communication. The method includes: when the first precoding weight of the first reference signal and the second precoding weight of the second reference signal are the same, the first network device receives the first reference signal according to the first pattern in the first time unit, The second reference signal is received in the second time unit according to the second pattern; the first network device performs channel estimation on the channel in the second time unit according to the first reference signal and the second reference signal; When the channel estimation effect is achieved, more resources are used to send the reference signal, which leads to the increase of the wireless resource overhead and the decrease of the throughput of the communication system; the channel estimation effect is optimized and the wireless resource overhead is reduced. The effect of improving the performance of the communication system.

Description

technical field [0001] The embodiments of the present invention relate to the communication field, and in particular, to a channel estimation method, a reference signal sending method, device and system. Background technique [0002] In a Long Term Evolution (LTE) system, a demodulation reference signal (Demodulation Reference Signal, DMRS) is a downlink reference signal sent by a base station to a user equipment (User Equipment, UE). The UE may perform channel estimation on a physical resource block (Physical Resource Block, PRB) according to the DMRS, and demodulate data on the physical resource block according to the channel estimation result. [0003] DMRS needs to be transmitted at a higher density in order to obtain a better channel estimation effect. In the LTE specification, the DMRS has two optional time-frequency distribution patterns (patterns) in one physical resource block. One PRB includes two time slots, and each time slot includes 7 or 6 symbols in the time...

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
Patent Type & Authority Patents(China)
IPC IPC(8): H04L25/02
CPCH04L25/022H04L25/0224H04L25/0232H04W72/04H04L5/0048H04L25/0226H04L5/005H04L5/0051H04L5/0007H04B7/0456H04B7/0615H04L5/0041H04L25/0204
Inventor 刘鹍鹏张荻
Owner HUAWEI TECH CO LTD
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