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Interference management system and method for cognitive fusion network

A technology for interference management and network integration, which is 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, avoiding interference, and improving utilization

Active Publication Date: 2016-06-08
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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  • Interference management system and method for cognitive fusion network
  • Interference management system and method for cognitive fusion network
  • Interference management system and method for cognitive 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

An interference management system for a cognitive fusion network, which includes: a cognitive interference manager, which includes an inter-layer cognitive interference manager and an intra-layer cognitive interference manager, and the inter-layer cognitive interference manager The interference manager is used to complete interference management and interference information maintenance between different layers in the heterogeneous network. The intra-layer cognitive interference manager is used to complete interference management and interference information maintenance within the same layer in the heterogeneous network; the interference information manager , which is used to collect the intra-layer and / or inter-layer interference information collected by the cognitive interference manager, and periodically update the historical interference information database; the spectrum resource manager, based on the periodic or real-time interference information from the interference information manager, Complete the reconfiguration of spectrum resources.

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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/382H04W72/08H04W72/54
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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