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Macro-cell assisted small cell discovery and resource activation

A technology for small cell base stations and resources, which is applied in the field of wireless communication networks and wireless communication systems, and can solve problems such as service interruptions

Active Publication Date: 2016-07-20
NTT DOCOMO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, proper functioning of these schemes requires a training phase to obtain accurate reference data, which leads to disruption of the provided services

Method used

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  • Macro-cell assisted small cell discovery and resource activation
  • Macro-cell assisted small cell discovery and resource activation
  • Macro-cell assisted small cell discovery and resource activation

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Embodiment Construction

[0080] Hereinafter, embodiments of the present invention will be described in further detail. It should be noted that the four aspects of the invention will be described below in a single environment utilizing all four aspects, but it should be noted that each of the four aspects may also be used independently of the others.

[0081] image 3 Signaling flows for macro cell assisted small cell discovery and resource activation are shown according to various embodiments. Embodiments of the invention relate to the field of overlay network architectures comprising macro cells and densely deployed small cells, which address high capacity demands in radio access networks. The power saving function enables small cells not being used to be put to sleep, which is an aspect in terms of power saving and interference management. According to the aspects described below, the present invention introduces a macro-assisted mechanism to facilitate the control of small cells and user equipmen...

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Abstract

A method is described for controlling a small cell base station (1041) and a user equipment (112) to be served by the small base station in a wireless communication system comprising a plurality of small cell base stations (1041 - 1042) controlled by a macro base station (100). The method comprises, in response to a request (302) from the macro base station (100) to the small cell base station (1041), performing, by the small cell base station (1041), a beacon transmission on one or more resources, in response to a request (304) from the macro base station (100) to the user equipment (112), performing, by the user equipment (112), a channel quality measurement on the one or more resources, and reporting the measured channel quality from the user equipment (112) to the macro base station (100).

Description

technical field [0001] The present invention relates to the field of wireless communication networks, in particular to the field of wireless communication systems including macro base stations controlling multiple small cell base stations, which are also called control / user plane separation networks. Background technique [0002] In a wireless communication system including, for example, a heterogeneous network as a radio access network, control signals and user data signals may be separated into two different overlaid networks, namely a macro cell network and a small cell base station (also called In the network of macro cells, each macro cell includes a macro base station (for example, called MeNB), and the network of small cell base stations is controlled by a macro base station. Such an overlapping network is also referred to as a control / user plane split network or a C / U plane split network (including a control plane base station controlling multiple user plane base sta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/10H04W52/02H04W72/04H04W72/54
CPCH04W52/0206H04W48/16H04W24/02H04W76/10H04W24/10Y02D30/70H04W72/542H04W24/08
Inventor P·阿戈亚鹏E·特诺恩胡亮楠目胜利岩村干生
Owner NTT DOCOMO INC
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