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System and method for interference management of cognition fusion network

A technology for interference management and network integration, applied in the field of interference management systems, can solve problems such as cognitive fusion network interference, and achieve the effect of exerting multi-network collaboration capabilities, suppressing interference, and improving utilization

Active Publication Date: 2013-12-11
XIDIAN UNIV
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Problems solved by technology

At the same time, the cognitive fusion network is also facing unprecedented complex interference problems

Method used

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  • System and method for interference management of cognition fusion network
  • System and method for interference management of cognition fusion network
  • System and method for interference management of cognition fusion network

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Embodiment Construction

[0026] Such as figure 1 It is a cognitive fusion network scenario diagram, including heterogeneous network scenarios of macro base stations, femtocells, and wireless LAN WiFi access nodes. Both femtocells and LAN access nodes have cognitive capabilities. The network scenario where heterogeneous networks converge is a cognitive heterogeneous network. In the future, wireless local area networks and femtocell networks will have sensing capabilities, so spectrum hole information can be obtained. Femtocells are small, low-power base stations that provide wireless network coverage to users in indoor environments. Like a WiFi router, it is placed indoors by users and provides users with almost all the functions of a cellular base station. However, femtocells have many advantages over WiFi. The working spectrum of the femtocell is a licensed spectrum, which can be shared with the macrocell base station or a spectrum can be allocated exclusively, which is equivalent to the extension...

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Abstract

The invention discloses a system for interference management of a cognition fusion network. The system for interference management of the cognition fusion network comprises a cognition interference manager, an interference information manager and a spectrum resource manager. The cognition interference manager comprises an interlayer cognition interference manager and an inlayer cognition interference manager. The interlayer cognition interference manager is used for achieving interference management and interference information maintenance in different layers in a heterogeneous network and the inlayer cognition interference manager is used for achieving interference management and interference information maintenance in the same layer of the heterogeneous network. The interference information manager is used for collecting each piece of inlayer and / or interlayer interference information collected by the cognition interference manager and a historic interference information database is updated periodically. The spectrum resource manager can achieve rearrangement of spectrum resources according to the periodical or real-time interference information of the interference information manager.

Description

technical field [0001] The present invention relates to the communication field, in particular to an interference management system and method for a cognitive fusion network. Background technique [0002] In recent years, due to the rapid growth of wireless users and multimedia business applications, a variety of intelligent wireless multi-mode devices are frequently used and more and more wireless access technologies are developing rapidly at an unprecedented speed, and the wireless communication rate even reaches hundreds of megabytes. Bits per second, resulting in wireless communication systems need more spectrum resources. People's demand for spectrum resources is increasing day by day, resulting in the scarcity of limited spectrum resources, making spectrum resources one of the most concerned non-renewable resources. How to explore more "spectrum hole" resources to make up for the current spectrum shortage of high-speed services and improve the utilization efficiency o...

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Application Information

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IPC IPC(8): H04W24/02H04B17/00H04W72/04
Inventor 杨春刚郭坤李建东盛敏李红艳刘勤刘伟
Owner XIDIAN UNIV
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