Method and device for data transmission

A technology for transmitting data and data, which is applied in the field of data transmission and can solve the problem that the number of terminal equipment connections and the communication quality cannot be balanced.

Active Publication Date: 2017-06-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The embodiment of the present invention provides a method and device for transmitting data to solve the problem in the prior art that the number of terminal equipment connections and communication quality cannot be balanced

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  • Method and device for data transmission
  • Method and device for data transmission

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Embodiment Construction

[0112] In order to make the purpose, technical solutions 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 of the embodiments of the present invention, rather than all of them. 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.

[0113] The application fields and basic technologies applicable to the present invention are described below for a better understanding of the present invention.

[0114] The technical scheme of the embodiment of the present invention can be applied to various communication systems, such as: GSM (GlobalSystem for Mobile Communication, Global Mobile Communication) system, CDMA (Code Division Multiple Access, code division multiple access)...

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Abstract

The invention discloses a method and device for data transmission. In the scheme, the same competitive resource group can be divided into a plurality of terminal equipment groups, and two different terminal equipment groups can comprise the terminal equipment with the same DMRS. Because two different terminal equipment groups can comprise the terminal equipment with the same DMRS, the method and device also can achieve a purpose of interference avoiding. Therefore, the method and device improve the connection number of terminal equipment of the same competitive resource group under the condition of guaranteeing the communication quality.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for transmitting data. Background technique [0002] In the current LTE (Long Term Evolution, long-term evolution) system, uplink and downlink data scheduling is implemented through a PDCCH (Physical Downlink Control Channel, physical downlink control channel) or E-PDCCH (Enhanced-PDCCH, enhanced PDCCH). one dispatched. With the development of communication technology, the ultra-high number of user connections in future communication and the potential number of concurrent access users pose challenges to the capacity of the control channel. In future LTE evolution systems, optimization of control channel overhead will become an important direction. [0003] In order to reduce the overhead of the control channel, an uplink contention transmission scheme based on group scheduling came into being. The main idea of ​​this scheme is: the base station divide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12
CPCH04W72/121H04L5/0091H04L5/0051H04L5/0053H04W72/12H04W72/23H04L5/0048H04W28/0278H04W52/54
Inventor 孙昊张旭薛丽霞
Owner HUAWEI TECH CO LTD
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