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Method, base station and user equipment for repeated transmission of physical downlink control channel

A technology for physical downlink control and user equipment, which is applied in the directions of transmission path sub-channel allocation, multiple use of transmission paths, error prevention/detection through transmission repetition, etc., and can solve problems such as low data transmission rate and air interface penetration loss , to achieve the effect of improving resource utilization and reducing time/frequency resource conflicts

Active Publication Date: 2020-02-07
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Some MTC devices need to be installed in the basement of residential buildings or in locations protected by insulating foils, metal windows or thick walls of traditional buildings. Compared with conventional device terminals (such as mobile phones, tablet computers, etc.) Interfaces will suffer significantly more severe penetration losses
3GPP decided to study the scheme design and performance evaluation of LTE network providing MTC equipment with additional 20dB coverage enhancement service. It is worth noting that MTC equipment located in poor network coverage areas has such characteristics: very low data transmission rate, very loose delay requirements, and limited mobility

Method used

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  • Method, base station and user equipment for repeated transmission of physical downlink control channel
  • Method, base station and user equipment for repeated transmission of physical downlink control channel
  • Method, base station and user equipment for repeated transmission of physical downlink control channel

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Embodiment Construction

[0037] In the following, the principle and implementation of the present invention will become apparent by describing specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the present invention should not be limited to the specific examples described below. In addition, for the sake of brevity, detailed descriptions of known technologies that are not directly related to the present invention are omitted, so as not to confuse the understanding of the present invention.

[0038] In the following, the LTE mobile communication system and its subsequent evolution versions are taken as an example application environment, and multiple embodiments according to the present invention are described in detail. However, it should be pointed out that the present invention is not limited to the following embodiments, but is applicable to more other wireless communication systems, such as future 5G cellular communication systems. ...

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Abstract

The present disclosure provides a method for repetitive transmission of a physical control channel. The method comprises: transmitting the physical control channel in a number of Control Channel Elements (CCEs) of each subframe in a set of subframes for repetitive transmission of the physical control channel. The present disclosure also provides a method for receiving a physical control channel, a base station and a User Equipment.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and more specifically, the present invention relates to a method for repeatedly transmitting a physical downlink control channel PDCCH, a base station and user equipment. Background technique [0002] The Long Term Evolution (LTE) project deployed by the Third Generation Partnership Project (3GPP) aims to provide increasingly diverse future mobile communication services, and wireless cellular communication has increasingly become an integral part of people's lives and work. In the first version of 3GPP LTE (ie, Release8), Orthogonal Frequency Division Multiple Access (OFDMA) and Multiple Antenna (MIMO) technologies were introduced. The Release 10 version of 3GPP has been evaluated and tested by the International Telecommunication Union, and has officially become the fourth-generation global mobile communication standard LTE-Advanced. In the LTE-Advanced standard, carrier a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L27/26
CPCH04L1/08H04L5/0053H04L5/0091H04L5/0094H04L25/03866H04L27/261H04W84/042H04W88/02
Inventor 王丰刘仁茂
Owner SHARP KK
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