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A Joint Power Coordination Method for Interference Awareness in Hierarchical Cellular Networks

A technology of layered cellular, coordination method, applied in the field of joint power coordination of interference perception, can solve the problems of complexity, interference, interference management of layered cellular network, etc.

Active Publication Date: 2016-02-24
XIDIAN UNIV
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AI Technical Summary

Problems solved by technology

However, the dense deployment of femtocells and the overlapping coverage with existing macro cells create a complex interference structure
Therefore, before the large-scale deployment of femtocells, the technical issue of interference management in hierarchical cellular networks has become a huge challenge for operators

Method used

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  • A Joint Power Coordination Method for Interference Awareness in Hierarchical Cellular Networks
  • A Joint Power Coordination Method for Interference Awareness in Hierarchical Cellular Networks
  • A Joint Power Coordination Method for Interference Awareness in Hierarchical Cellular Networks

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Embodiment approach

[0027] refer to figure 2 , the detailed implementation of the interference-aware joint power coordination method in the hierarchical cellular network of the present invention is as follows:

[0028] Step S1, measuring the interference of home users in the hierarchical cellular network, and feeding back the measured interference to the macro base station, which specifically includes:

[0029] 1a) The home users in the hierarchical cellular network measure their own interference information and feed it back to the corresponding home base station, where the interference information obtained by the kth home base station from its nth home user is I k,n (p 0 ,p -k ), the interference information mainly includes the interference caused by the macro base station and other home base stations;

[0030] 1b) The home base station in the hierarchical cellular network estimates the interference from the macro base station from the interference information fed back by the home user, and ...

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Abstract

A union power coordination method for sensing interference in a laminated cellular network comprises the following steps: Step 1, measuring the interference condition of a family user in a laminated cellular network, and sending the measured interference condition to a macro base station; Step 2, regulating the transmitting power of the macro base station according to the received family user; Step 3, sending the interference condition of a macro user to all family base stations in the laminated cellular network from the macro base station; Step 4, regulating the transmitting power of all the family base stations in the laminated cellular network according to the interference condition received by the macro user; Step 5, judging whether the transmitting power of the macro base station and the family base stations is astringed, if yes, the power coordination is completed, otherwise, performing the Step 1. The method can fully utilize the interference information of the network to perform power coordination so as to improve network interference and the performance of the network. The method can be applied to the interference coordination of multiple types of laminated cellular network scenes.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to interference coordination in hierarchical cellular networks, and specifically adopts an interference-aware joint power coordination method to effectively realize interference coordination in hierarchical cellular networks and improve the overall performance of the network . It can be used in various hierarchical cellular network scenarios to achieve interference coordination. Background technique [0002] In recent years, mobile communication networks have an increasing demand for high-speed data services, and according to research, most wireless data services occur in indoor environments. Femtocell is an emerging indoor coverage technology that can provide users with high-speed and high-bandwidth services with low power, enabling mobile communication systems to improve indoor coverage and provide high-speed data services within limited frequency resources. It is a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/04
Inventor 杨春刚李建东李红艳盛敏郭坤刘勤赵林静刘伟马英红
Owner XIDIAN UNIV
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