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

Method and apparatus for estimating channel quality information, base station and network central processing device

A technology of channel quality information and quality information, applied in the direction of error detection/prevention, transmission path sub-channel allocation, location diversity, etc. using signal quality detectors, which can solve problems such as unsupported solutions and increased uplink overhead.

Inactive Publication Date: 2014-05-21
NEC (CHINA) CO LTD
View PDF6 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the uplink overhead increases significantly
In addition, CSI-RS itself introduces additional downlink overhead
[0012] Moreover, most importantly, under the current standard (3GPP TS36.213), UE is required to calculate CQI based on CRS when PMI / RI reporting is disabled, but this disclosed solution does not support it at all

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
  • Method and apparatus for estimating channel quality information, base station and network central processing device
  • Method and apparatus for estimating channel quality information, base station and network central processing device
  • Method and apparatus for estimating channel quality information, base station and network central processing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Hereinafter, a method and device for estimating channel quality information, a base station and a network central processing device will be described in detail with reference to the accompanying drawings. It should be understood that these examples are given only to enable those skilled in the art to better understand and implement the present invention, and are not intended to limit the scope of the present invention in any way.

[0042] It should be noted at the outset that the invention is shown in a particular order for performing the method steps. However, these methods do not have to be performed strictly according to the order shown, and they may be performed in reverse order or simultaneously based on the nature of the respective method steps. Furthermore, the indefinite article "a / an" used herein does not exclude a plurality of such steps, units, devices and objects etc.

[0043] In the following, first reference will be made to Figure 4 A method for estimat...

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 present invention provides a method and apparatus for estimating channel quality information, a base station and a network central processing device, According to the embodiments of the present invention, a macro cell includes multiple transmission points, the method can comprise receiving the channel quality information which is measured by a user equipment based on a cell specific reference signal; obtaining channel matrix information the multiple transmission points; calculating beamforming information on a single cell transmission and a coordinated multi-point transmission based on the channel matrix information; and estimating the channel quality information for the single cell transmission and the coordinated multi-point transmission based on the channel quality information, the channel matrix information, and the beamforming information. With embodiments of the present invention, it is possible to provide coordinated multi-point gains with no overhead introduced and it is compatible with the existing available user equipments.

Description

technical field [0001] Embodiments of the present invention generally relate to the field of mobile communication technology, and more specifically relate to a method and device for estimating channel quality information, a base station and a network center processing device. Background technique [0002] With the continuous increase of mobile data services and the emergence of new applications, the Third Generation Partnership Project (3GPP) organization has developed Long Range Evolution (LTE) specifications and LTE-Advanced (LTE-A) specifications. As a next-generation cellular communication standard, an LTE or LTE-Advanced system can operate in both a Frequency Division Duplex (FDD) mode and a Time Division Duplex (TDD) mode. In FDD mode, the uplink and downlink use a pair of spectrum for data transmission; while in TDD mode, the uplink and downlink channels share the same frequency but occupy different time slots. Therefore, the TDD system has channel reciprocity, where...

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 Applications(China)
IPC IPC(8): H04W24/00
CPCH04L5/0035H04B7/024H04B7/0617H04L1/1829H04L1/20H04W24/08
Inventor 王刚雷鸣
Owner NEC (CHINA) CO LTD
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com