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Data transmission method and device

A data transmission method and technology of equipment, applied in the field of communication, can solve the problems of insufficient throughput, inability to flexibly divide, and low reliability, and achieve the effect of improving throughput and reliability

Active Publication Date: 2016-06-15
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can solve the problem of insufficient throughput and low reliability of the D2D communication method in the prior art, as well as the problem that there are two PDN connections in the D2D relay scenario when the relay mode and Uu mode are used for transmission at the same time, resulting in the inability to flexibly divide traffic

Method used

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  • Data transmission method and device

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Embodiment Construction

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] The terms "first", "second" and "third" in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the l...

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Abstract

The embodiment of the invention discloses a data transmission method. The method comprises that when a first device needs to transmit business data, a first wireless carrier and a second wireless carrier connected and associated with a prebuilt public data network PDN are determined; wherein the first wireless carrier is composed of a first relay carrier between the first device and a piece of relay user equipment, and a second relay carrier between the relay user equipment and a second device; the second wireless carrier is composed of a Uu carrier between the first device and the second device; the first device receives first target business streams from the second device through the first wireless carrier and the second wireless carrier; and or the first device sends second target business streams to the second device through the first wireless carrier and the second wireless carrier. Correspondingly, the embodiment of the invention also discloses a device. Through adoption of the method and the device provided by the invention, the transmission throughput capacity and reliability can be improved.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a data transmission method and device. Background technique [0002] D2D (Device to Device, D2D for short) communication is a technology for direct communication between user equipments, allowing two user equipments to communicate with each other without going through the uplink and downlink between the base station and the device. D2D relay communication is a communication method based on D2D communication technology. The D2D relay communication system includes remote user equipment and relay user equipment. The remote user equipment may not only be located outside the network coverage of the macro cell, but also It may be located within the coverage of the macro cell, and the relay user equipment is generally located within the coverage of the macro cell. The relay user equipment can establish an RRC (Radio Resource Control, Radio Resource Control, RRC for short) con...

Claims

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Application Information

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IPC IPC(8): H04W28/10
CPCH04W28/10H04W72/12
Inventor 雷艺学张云飞
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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