Data transmission method and data transmission device for ultra-dense network

A data transmission method and technology of a data transmission device, which are applied in the field of communication, can solve the problems of low data transmission efficiency, increase downlink control information overhead, etc., and achieve the effects of improving transmission efficiency, reducing signaling overhead, and increasing resources

Inactive Publication Date: 2016-01-13
MEIZU TECH CO LTD
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Problems solved by technology

[0004] The above-mentioned 4G network design dynamic scheduling method is to better adapt to the dynamic characteristics of the channel, so as to adopt a modulation and coding method and user resource allocation that better match the channel situation, but each TTI has control information corresponding to the TT

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  • Data transmission method and data transmission device for ultra-dense network
  • Data transmission method and data transmission device for ultra-dense network
  • Data transmission method and data transmission device for ultra-dense network

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[0034] In order to be able to understand the above objectives, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other if there is no conflict.

[0035] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited to the specific details disclosed below. Limitations of the embodiment.

[0036] figure 1 A schematic flowchart of a data transmission method for an ultra-dense network according to an embodiment of the present invention is shown.

[0037] Such as figure 1 As shown, a data tran...

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Abstract

The invention provides a data transmission method and a data transmission device for an ultra-dense network. The data transmission method for the ultra-dense network is suitable for a base station. The method comprises the following steps: determining downlink scheduling information of a target terminal within a specified TTI (Transmission Time Interval) time; transmitting downlink control information including the downlink scheduling information to the target terminal within the specified TTI time in order that the target terminal receives and demodulates downlink data transmitted by the base station according to the downlink scheduling information within the specified TTI time and within a predetermined quantity of TTI times after the specified TTI time; and if the downlink control information needs to be transmitted to the target terminal within the predetermined quantity of TTI times after the specified TTI time, transmitting downlink control information not including the downlink scheduling information to the target terminal. Through the technical scheme of the invention, the signaling overhead of the downlink control information can be reduced effectively, so that resources for transmitting data information are increased correspondingly, and the data transmission efficiency is increased.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular, to a data transmission method for an ultra-dense network and a data transmission device for an ultra-dense network. Background technique [0002] At present, the 5th generation mobile communication system (5G) is being researched in academia and industry, among which UDN (Ultra-Dense Network, ultra-dense network) is an important technology of 5G. UDN refers to the ultra-intensive networking for some scenarios with large data demand and many data connections (such as sports stadiums, railway station waiting halls, office places, etc.) during network deployment, and the connection between access sites The interval may be only tens of meters. UDN networking relies on access site cooperation, interference elimination and other methods to provide users with higher data rates and more data connections. [0003] In the current 4G network, when the base station transmits do...

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Application Information

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IPC IPC(8): H04W72/04H04W72/12
CPCH04W72/0446H04W72/1273H04W72/23
Inventor 不公告发明人
Owner MEIZU TECH CO LTD
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