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Method, device and terminal for reporting aperiodic channel quality information

A technology of channel quality information and channel state information, which is applied in the field of aperiodic channel quality information (CQI) reporting, which can solve problems such as the inability of cells to report CQI, and achieve the effect of reasonable scheduling

Inactive Publication Date: 2018-11-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The technical problem to be solved by the present invention is to provide a method, device and terminal for reporting aperiodic channel quality information (CQI), so as to solve the problem that the cells without CoMP cannot report the corresponding CQI when there are some cells configured with CoMP

Method used

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  • Method, device and terminal for reporting aperiodic channel quality information
  • Method, device and terminal for reporting aperiodic channel quality information
  • Method, device and terminal for reporting aperiodic channel quality information

Examples

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Embodiment 1

[0065] The method for reporting aperiodic channel quality information (CQI) of the present invention, such as figure 1 As shown, the method includes:

[0066] Step 101: The network side configures aperiodic CQI triggering for the terminal. When there are cells configured with coordinated multi-point (CoMP) and cells not configured with CoMP, the aperiodic CQI triggering configuration information of the cell without CoMP includes Configured aperiodic CQI trigger value;

[0067] Specifically, the aperiodic CQI trigger configuration information of a cell not configured with CoMP may include both the aperiodic CQI trigger value configured per cell, and the aperiodic CQI trigger value configured for a cell not configured with CoMP in a bitmap manner; or only Including aperiodic CQI trigger value configured per cell.

[0068] In this paper, configuring the aperiodic CQI trigger value of a cell that is not configured with CoMP by cell means that the cell that is not configured with...

Embodiment 2

[0084] The above embodiment 1 describes the aperiodic CQI reporting method of the present invention from the perspective of the network side, and this embodiment 2 describes the method of the present invention from the perspective of user equipment (UE, also referred to as a terminal herein).

[0085] Such as image 3 As shown, Embodiment 2 of the method for reporting aperiodic channel quality information (CQI) in the present invention includes:

[0086] Step 301: The terminal receives the aperiodic CQI trigger configuration information of the terminal sent by the network side;

[0087] As described above, when there are both a CoMP-configured cell and a CoMP-unconfigured cell, the aperiodic CQI trigger configuration information of the CoMP-unconfigured cell includes an aperiodic CQI trigger value configured per cell.

[0088] Step 302: The terminal receives a channel state information (CSI) report request sent by the network side;

[0089] Step 303: The terminal reports the...

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Abstract

An aperiodic channel quality information (CQI) reporting method, the method comprising: a network side configures aperiodic CQI triggering on a terminal, and when a cell configured with coordinated multi-point (CoMP) and a cell not configured with CoMP coexist, the aperiodic CQI triggering configuration information of the cell not configured with CoMP contains an aperiodic CQI triggering value configured on a cell basis; the network side transmits a channel state information (CSI) reporting request to the terminal; and the network side receives the CQI reported by the terminal.

Description

technical field [0001] The present invention relates to the field of communications, in particular to a method, device and terminal for reporting aperiodic channel quality information (CQI). Background technique [0002] In order to provide users with various services such as voice, packet data, and broadcasting, wireless communication networks are widely deployed. In order to meet users' increasing communication quality and communication speed requirements, wireless communication technologies (wireless networks) continue to evolve. The wireless communication network has evolved from the Global System For Mobile Communication (GSM) / General Packet Radio Service (GPRS) 2nd generation / 2.5th generation mobile communication network to the Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, UMTS) 3rd generation mobile communication network. In order to better improve the efficiency of spectrum use and meet the rapidly growing wireless communica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/06H04W24/10
CPCH04L1/0077H04L1/0026
Inventor 陈中明杜忠达
Owner ZTE CORP