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Data transmission method and system

A data transmission method and data information technology, applied in diversity/multi-antenna systems, location diversity, network planning, etc., can solve problems such as limited system capacity improvement, reduce inter-cell interference, increase data rate, and break synchronization requirements The effect of the restriction

Active Publication Date: 2015-12-02
HUAWEI TECH CO LTD
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Problems solved by technology

[0005] Embodiments of the present invention provide a data transmission method and system, which are used to solve the defect of limited system capacity improvement caused by the inability to implement real-time joint processing between base stations in the prior art, and realize resource sharing between macro base stations and micro base stations. Joint scheduling to reduce inter-cell interference and maximize overall data rate

Method used

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

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Embodiment Construction

[0017] 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.

[0018] This embodiment provides a data transmission method, which can specifically adopt the system architecture of a virtual multi-layer cell structure (VirtualHetNet; hereinafter referred to as: V-HetNet), figure 1 It is a schematic diagram of the system structure of V-HetNet in Embodiment 1 of the data transmission method of the present inventi...

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Abstract

The present invention provides a data transmission method and system, where the method is used in system architecture adopting a virtual heterogeneous network, where a macro base station covering a macro-cell and a pico base station covering a pico-cell share the same station address, and the method includes the following step: sending control information and data information to user terminals in the macro-cell and the pico-cell according to location information of the user terminals so that the user terminals obtain the data information according to the control information. The system includes a sending module. The present invention implements joint scheduling of resources between a macro base station and a pico base station, reduces interference between cells, and maximally improves an overall data rate.

Description

technical field [0001] The embodiments of the present invention relate to communication technologies, and in particular to a data transmission method and system. Background technique [0002] With the development of wireless communication technology and the popularization of mobile phones, base station equipment can be seen everywhere in urban and rural areas. According to the distance between base stations, it can be roughly divided into macro base stations and micro base stations. Among them, the area covered by macro base stations is called macro cell ( Macro-cell), the area covered by the micro base station is called a micro cell (Pico-cell). In order to ensure continuous coverage, adjacent base stations can cover the cell edge of adjacent cells at the same time, then there is equal power interference from adjacent base stations at the cell edge of adjacent cells, and the call effect and data rate of user terminals in this area will be reduced. affected. The more tradi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/14H04W16/32H04W72/12H04W72/54
CPCH04B7/024H04W16/32H04W72/1226H04W72/1289H04W72/54H04W72/23
Inventor 杜颖钢刘晟王锐
Owner HUAWEI TECH CO LTD
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