Self-adaptive cooperative relay transmission method in cognitive heterogeneous wireless network

A heterogeneous wireless network and cooperative relay technology, applied in the Internet field, can solve problems such as the inability to guarantee the end-to-end transmission efficiency of the entire mobile network, and achieve the effect of reducing cascading interference and network congestion

Inactive Publication Date: 2016-06-01
ZHEJIANG UNIV
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Problems solved by technology

[0006] However, in the relevant research results, the intelligent jump migration of the mobile terminal access channel and the service flow between heterogeneous wireless networks will cause transmission interru

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  • Self-adaptive cooperative relay transmission method in cognitive heterogeneous wireless network
  • Self-adaptive cooperative relay transmission method in cognitive heterogeneous wireless network
  • Self-adaptive cooperative relay transmission method in cognitive heterogeneous wireless network

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[0058] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention.

[0059] Th...

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Abstract

The invention provides a self-adaptive cooperative relay transmission method in a cognitive heterogeneous wireless network. The method comprises the steps of: obtaining environment parameter information, channel information, network state information and mobile shifting information of a mobile terminal in the cognitive heterogeneous wireless network; carrying out mathematical modeling on the parameter information, and carrying out simulation on the mathematical modeling; carrying out resource scheduling optimization on a processing result; and carrying out relay transmission on the result after the scheduling optimization so as to realize smooth distribution of service flows in a heterogeneous environment. According to the invention, in the cognitive network environment, laminating multiplexing and demultiplexing interference and multi-channel access selectivity which are caused by laminating among heterogeneous wireless networks are lowered, the mobile terminal simultaneously roams among the wireless network different in type, and a service providing source end seamlessly provides optimized service flow service quality corresponding to a bearing network according to the type of the network accessed by the mobile terminal; in addition service source nodes, mobile nodes and relay bearing nodes mutually exchange and store information, so that seamless conversion of the service among different bearing nodes is realized.

Description

technical field [0001] The invention relates to the field of the Internet, in particular to an adaptive cooperative relay transmission method in a cognitive heterogeneous wireless network. Background technique [0002] With the rapid development of mobile communication and wireless access technology, the development trend of mobile communication in the future will be that multiple wireless access technologies will coexist and complement each other, provide diversified access services, and realize seamless mobility. Communication networks are bound to develop towards broadband, flattening, ubiquitous, and heterogeneous. In this ubiquitous wireless network environment, mobile users can achieve seamless and smooth communication through the cooperation of various types of wireless networks. Mobile performance, and ultimately achieve the "Anywhere, Anytime, Anybody" ubiquitous communication goals. [0003] The concept of cognitive network was first proposed in 2005. It is a new ...

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Application Information

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IPC IPC(8): H04W36/00H04W36/14
Inventor 单康康
Owner ZHEJIANG UNIV
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