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Optimized transmission method for LTE dual-mode relay network

A technology of relay network and transmission method, which is applied in the optimized transmission field of LTE dual-mode relay network, and can solve problems such as poor performance, limited performance, and poor capacity of TH scheme

Inactive Publication Date: 2014-12-24
余凤莲
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The TH scheme is simple to implement, but its performance is limited by the capacity of the poorer hop link. The performance of the TH scheme is not good when the random deep fading or strong interference occurs
[0006] On the other hand, out of the consideration of the utilization rate of infrastructure and the reduction of repeated investment, a future development trend is the integration of base stations, that is, multiple operators jointly build a group of base stations or relay stations, and the base stations or relay stations are capable of processing various The ability of different standards or communication standards, such as the ability to handle FDD-LTE and TDD-LTE communications at the same time, but current research in this area is still in its infancy

Method used

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  • Optimized transmission method for LTE dual-mode relay network
  • Optimized transmission method for LTE dual-mode relay network
  • Optimized transmission method for LTE dual-mode relay network

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Embodiment Construction

[0043] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0044] According to the embodiment of the present invention, a kind of optimized transmission method of LTE dual-mode relay network is proposed, as attached figure 1 As shown, the LTE dual-mode relay network includes a base station, a user and a relay device, and the base station and the relay device are respectively provided with multiple antennas, and the method includes the following steps:

[0045] S1. The base stations in the ...

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Abstract

The invention provides an optimized transmission method for an LTE dual-mode relay network. According to the method, channel state information can be estimated according to different communication systems; better communication service is provided for cell boundary users through the selection from a relay transmission scheme based on data size and a relay transmission scheme based on power superposition; by comparing the relay transmission schemes with a direct transmission scheme, a base station can give the most suitable transmission mode after performance gain and resource consumption are comprehensively considered.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to an optimized transmission method of an LTE dual-mode relay network. Background technique [0002] With the development of communication services and the growth of people's needs, future wireless communication systems need to support high speed and large capacity. There are several problems in the current wireless communication system, inter-cell interference is one of the more serious ones. In particular, users located at the cell border are easily interfered by adjacent cells, so the performance of the cell border users is very poor, which becomes a bottleneck restricting the overall performance of the system. [0003] Relay transmission refers to a technology for relay transmission between base stations and users through multi-hop communication through relay equipment. For next-generation wireless communication systems operating in high-frequency bands (meaning h...

Claims

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Application Information

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IPC IPC(8): H04W28/18H04B7/06H04W88/06
Inventor 余凤莲
Owner 余凤莲
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