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Method and device for discovering micro cell

A discovery method and small cell technology, applied in the field of mobile communication, can solve problems affecting data transmission in macro cells, unproposed, interrupted data transmission, etc.

Active Publication Date: 2013-01-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The power consumption of the UE increases;
[0006] 2. Affect the data transmission of the macro cell to the terminal, because most UEs need to interrupt the data transmission of the original frequency during inter-frequency measurement
The prior art has not yet proposed a solution for the above problems

Method used

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Embodiment Construction

[0058] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0059] A method for discovering a small cell provided by an embodiment of the present invention, such as figure 2 As shown, it mainly includes the following steps:

[0060] In steps 201-202, the base station of the macro cell triggers the small cell in an inactive state to send a specific signal, and triggers the UE to receive the specific signal sent by the small cell.

[0061] The base station of the macro cell (ie figure 2 The eNB shown in ) triggers the subordinate small cell to send a specific signal as required, and triggers the UE to receive the specific signal sent by the small cell.

[0062] The specific signal sent by the small cell is notified by the base station to the UE through the macro cell, or the base station notifies the UE of the value range or detection range of the specific signal through th...

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Abstract

The invention discloses a method and a device for discovering a micro cell. The method comprises the following steps that: a base station of a macro cell triggers micro cells in a nonactivated state to send specific signals and triggers user equipment (UE) to receive the specific signals sent by the micro cells; the base station receives information of the micro cells which are discovered and determined to be reported by the UE according to the received specific signals; and the base station selects part of or all of the micro cells from the micro cells determined by the UE and configures part or all of the micro cells into quasi service micro cells of the UE. By the method and the device, the effect that in a wireless communication system heterogeneous network, the UE in the macro cell can discover the micro cells in the macro cell and a network side can select the suitable micro cells for the UE to provide services; and both the network side and the UE can be ensured to be effective and energy-saving by the mechanism disclosed by the invention.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a small cell discovery method and device. Background technique [0002] With the development of the mobile communication industry and the increasing demand for mobile data services, users have higher and higher requirements for the speed and quality of service (Qos) of mobile communication. Therefore, the third generation mobile communication (3G) has not yet Before large-scale commercial use, the research and development work on the next generation mobile communication system has already started, and the typical one is the Long Term Evolution (LTE, Long Term Evolution) project initiated by the Third Generation Partnership Project (3GPP). The LTE system can be The highest spectrum bandwidth offered is 20MHz (megahertz). With the further evolution of the network, evolved LTE (LTE-A), as an evolved system of LTE, can provide up to 100MHz of spectrum bandwidth to support...

Claims

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Application Information

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IPC IPC(8): H04W48/16H04W52/02
CPCH04W52/0229H04W48/16Y02B60/50H04W52/0206H04W24/02H04W84/042H04W88/08Y02D30/70H04L5/0048
Inventor 苟伟夏树强戴博
Owner ZTE CORP
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