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Data transmission method and system

A data transmission method and data technology, applied in the field of data transmission, can solve the problems of reducing the downlink coverage capability at the edge of a cell and reducing the efficiency of data transmission, and achieve the effect of increasing downlink coverage capability and improving efficiency

Active Publication Date: 2014-08-06
HUAWEI TECH CO LTD
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Problems solved by technology

However, the transmission mode of 2msTTI belongs to short frame transmission, which reduces the downlink coverage capability at the edge of the cell, thus reducing the efficiency of data transmission to user equipment at the edge of the cell.

Method used

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  • Data transmission method and system
  • Data transmission method and system

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Embodiment Construction

[0046] 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.

[0047]The downlink part of the HSDPA network is that multiple user equipment (User Equipment; hereinafter referred to as UE) transmit data on the High-Speed ​​Downlink Shared Channel (hereinafter referred to as HS-DSCH) at the same time, so each UE needs to be ID, so that different UEs can receive their own data on the data channel. The HS-DSCH R...

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Abstract

Embodiments of the present invention provide a data transmission method and system. The data transmission method includes: according to the mapping relationship between the first H-RNTI of the user equipment and the second H-RNTI of the relay node accessed by the user equipment, transmitting the data through the corresponding H-RNTI of the second H-RNTI The relay node sends to the user equipment corresponding to the first H-RNTI. By adopting the technical solution of this embodiment, the coverage capability of the cell edge can be expanded, and the efficiency of data transmission to the UE at the cell edge can be further improved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of data transmission, and in particular, to a data transmission method and system. Background technique [0002] In order to meet the increasing demand of multimedia services for high-speed data transmission, the 3rd Generation Partnership Project (3rd Generation Partnership Project; hereinafter referred to as 3GPP) proposes a High Speed ​​Downlink Package Access (hereinafter referred to as HSDPA) technology. HSDPA is a packet-based data service, specifically the optimization and evolution of packet services in the downlink direction, that is, from the wireless access network to the mobile terminal. Therefore, HSDPA can enhance the downlink part of mobile data transmission and realize high-speed data transmission. [0003] In the existing HSDPA technology, the transmission mode adopting 2 ms transmission time interval (Transmission Time Interval, hereinafter referred to as TTI) is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04B7/26H04W72/12
CPCH04W48/08H04W72/0406H04W8/26H04W84/047H04W72/20
Inventor 周真王宗杰陈君韩重阳
Owner HUAWEI TECH CO LTD
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