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Method and device for repairing missed control channel

A technology of control channel and repair method, which is applied in the field of repair of missing control channel, can solve the problems of LTE system performance degradation, low downlink throughput rate, waste of uplink transmission resources, etc., so as to improve downlink throughput rate, improve system performance, reduce The effect of wasting uplink resources

Active Publication Date: 2019-04-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, when the terminal misses the uplink authorization, it will cause a waste of uplink transmission resources, and at the same time cause a low downlink throughput rate, which in turn will lead to a decline in LTE system performance.

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  • Method and device for repairing missed control channel
  • Method and device for repairing missed control channel
  • Method and device for repairing missed control channel

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. 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.

[0021] In order to better understand the embodiment of the present invention, the following combination figure 1 First, relevant introductions are made to the application scenarios of the embodiments of the present invention.

[0022] exist figure 1 In , boxes 1 to 12 represent TTI (Transmission Time Interval, transmission time interval). like figure 1 As shown, in the first TTI, the eNodeB issues an uplink grant (UL Grant) through the PDCCH, ...

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Abstract

The embodiment of the invention provides a method and a device for repairing a missing detection control channel, relates to the field of communications, and aims to reduce uplink resource waste, increase downlink throughput and further improve the performance of an LTE (Long Term Evolution) system. The method comprises the following steps: performing physical downlink control channel missing detection on user equipment; and performing repairing by using a repairing strategy after missing detection of a physical downlink control channel by the user equipment is detected. The embodiment of the invention also provides a corresponding device.

Description

[0001] The patent application of the present invention is a divisional application, the application number of the original application is 201280002160.9, the application date is October 25, 2012, and the title of the invention is: A method and device for repairing a missed detection control channel. technical field [0002] The invention relates to the communication field, in particular to a method and device for repairing missed control channels. Background technique [0003] The PDCCH (Physical Downlink Control Channel, physical downlink control channel) is one of the control channels of the LTE (Long Term Evolution, long term evolution) system. It indicates to UE (User Equipment, user equipment) the usage of uplink transmission resources of PUSCH (Physical Uplink Shared Channel, physical uplink shared channel), including parameters such as time / frequency resource, modulation and coding rate used by UE; The usage of downlink transmission resources of PDSCH (PhysicalDownlin...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L1/20
CPCH04L1/0061H04L1/1812H04L1/203
Inventor 陆珺
Owner HUAWEI TECH CO LTD