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Data transmission method and apparatus

A data transmission method and technology of transmission blocks, which are applied in the field of data transmission methods and devices, and can solve problems such as data transmission resource conflicts

Active Publication Date: 2017-02-22
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

If multiple downlink control channels are sent simultaneously in the downlink control channel receiving window, there may be resource conflicts in the data transmission scheduled by these downlink control channels

Method used

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  • Data transmission method and apparatus
  • Data transmission method and apparatus
  • Data transmission method and apparatus

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . 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.

[0033] In the embodiment of the present invention, the user equipment (UE) can be called a terminal (Terminal), a mobile station (Mobile Station, referred to as MS), a mobile terminal (Mobile Terminal), an MTC terminal, etc., and the user equipment can access A Radio Access Network (RAN for short) communicates with one or more core networks.

[0034] In the embodiment of the present invention, the base station may be an evolved base statio...

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Abstract

The invention provides a data transmission method and apparatus. According to the invention, a base station determines N physical shared channels for downlink control channel dispatching wherein the N physical shared channels are provided with different coverage enhancement levels and / or repeated transmission times and N is an integer greater than one. The base sends the downlink control channel, and the downlink control channel carries the dispatching information for the N physical shared channels. As one downlink control channel carries dispatching information of the physical shared channels with different coverage enhancement levels and / or repeated transmission times, the physical shared channels with different repeated times are sent independently so as to avoid resource conflict incurred in data transmission from downlink control channel dispatching.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a data transmission method and device. Background technique [0002] With the rise of the Internet of Things, more and more attention is paid to supporting Machine Type Communication (MTC, Machine Type Communication) in a Long Term Evolution (LTE, Long Term Evolution) system. An MTC device (MTC terminal) may have some of the characteristics of various M2M (Machine to Machine, machine to machine) communication features, such as low mobility, small amount of transmitted data, insensitive to communication delay, and extremely low requirements characteristics such as power consumption. Among them, in order to reduce the cost of the MTC terminal, a new type of user equipment is defined, and its uplink and downlink only support 1.4MHz radio frequency bandwidth. [0003] In existing networks, user equipment working in some scenarios, such as user equipment worki...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12
CPCH04W72/23H04L5/00H04W72/04
Inventor 高雪娟徐伟杰邢艳萍
Owner DATANG MOBILE COMM EQUIP CO LTD
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