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Method and device for configuring channel quality indication reporting mode

A technology of channel quality indication and configuration method, which is applied in the field of configuration of channel quality indication reporting methods

Active Publication Date: 2017-12-19
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unable to achieve higher performance gains in system performance such as average user throughput and cell throughput

Method used

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  • Method and device for configuring channel quality indication reporting mode
  • Method and device for configuring channel quality indication reporting mode
  • Method and device for configuring channel quality indication reporting mode

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Experimental program
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Embodiment Construction

[0034] In the embodiment of the present invention, only the target UE is configured to report the aperiodic CQI report, and the time period for triggering the target UE to report the aperiodic CQI report is configured. That is to say, the aperiodic CQI reporting of the target UE is made periodic to obtain better frequency selective scheduling results, so as to fully exploit the advantages of frequency selective scheduling and improve the performance gain of system performance. At the same time, since aperiodic CQI reporting is only configured for target UEs, instead of configuring all UEs to use aperiodic CQI reporting, resource overhead caused by aperiodic CQI reporting can be reduced.

[0035] The technical solutions provided by the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] An embodiment of the present invention provides a method for configuring a CQI reporting mode, and its implementation i...

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Abstract

The invention discloses a configuration method and device for channel quality indication reporting mode. The method includes: judging whether the user equipment is a target user equipment; if yes, configuring the user equipment to report an aperiodic channel quality indication report, and configuring a time period for triggering the user equipment to report an aperiodic channel quality indication report; otherwise, configuring The user equipment reports a periodic channel quality indication report. In the embodiment of the present invention, the reporting of the aperiodic channel quality indicator of the target user equipment is periodicized to obtain better frequency selective scheduling results, thereby fully exploiting the advantages of frequency selective scheduling and improving the performance gain of system performance. At the same time, since the reporting of the aperiodic channel quality indication report is only configured for the target user equipment instead of all user equipment, resource overhead caused by the aperiodic channel quality indication reporting can be reduced.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for configuring channel quality indication reporting modes. Background technique [0002] Frequency selective scheduling means that the base station side scheduler selects the optimal physical resource block (PRB) within the entire system bandwidth according to the subband channel quality indicator (CQI, Channel Quality Indicator) reported by the user equipment (UE, User Equipment). , Physical Resource Block) resources are allocated to users. The base station can obtain the subband CQI by configuring the UE to report the periodic CQI and / or the aperiodic CQI. [0003] The Media Access Control (MAC, Media Access Control) layer at the base station side instructs the UE to report the aperiodic CQI by sending the PDCCH. The aperiodic CQI reporting is a request-response mode, and one request on the base station side corresponds to one aperiodic C...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L5/0057
Inventor 刘阳
Owner DATANG MOBILE COMM EQUIP CO LTD
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