Data transmission method and device

A transmission block and signaling technology, applied in the field of communication, can solve the problems of reduced system capacity and high overhead of control signaling

Active Publication Date: 2019-09-03
北京禾怡管理咨询有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] It can be seen that for the transmission of small data, the control signaling overhead of the

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  • Data transmission method and device
  • Data transmission method and device

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Embodiment Construction

[0282] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0283] The "data" mentioned herein refers to service data such as physical layer transport block, which is different from control signaling and other signaling or information for indication such as downlink control channel or downlink control information on the physical layer. The embodiment of the present invention is aimed at the problem of low ...

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Abstract

Provided are a data transmission method and device, the method comprising: a UE determines a transport block size (TBS); the UE determines time domain resources and frequency resources of a transmission physical downlink shared channel (PDSCH), the PDSCH being used to transmit the transport block; the UE receives the transport block over the time domain resources and frequency resources. The data transmission method and device can reduce control signaling overhead, thus improving transmission efficiency of a system.

Description

technical field [0001] The present invention relates to communication technology, in particular to a data transmission method and device. Background technique [0002] The development of communication technology is going from the communication between people, to the communication between people and things, and then to the communication between things. Along with the diversification of communication forms, the content of communication also presents diversification. From the size of the data packet, the communication of the small data packet is becoming an important part of the communication business. For example, the machine type communication (MTC for short) discussed by the 3rd Generation Partnership Project (3GPP for short) standard organization currently limits the transport block size (TBS for short) of its physical layer. ) does not exceed 1000 bits (bits). The existing system uses a downlink control information format (DCI format for short) when scheduling / controlli...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04L5/0007H04L5/0044H04W72/02
Inventor 栗忠峰
Owner 北京禾怡管理咨询有限公司
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