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Method, device and system for enhancing heterogeneous network mobility

A mobility and heterogeneous network technology, applied in the field of communication, achieves the effect of high flexibility and reliability

Inactive Publication Date: 2018-01-16
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no effective method to solve the above problems

Method used

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  • Method, device and system for enhancing heterogeneous network mobility
  • Method, device and system for enhancing heterogeneous network mobility
  • Method, device and system for enhancing heterogeneous network mobility

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Embodiment Construction

[0034] Various embodiments of the present invention will be described below in conjunction with the accompanying drawings. These embodiments are illustrative only, and do not limit the present invention. In order to enable those skilled in the art to easily understand the principle and implementation of the present invention, the implementation of the present invention is described by taking the mobility enhancement of the heterogeneous network as an example, but it can be understood that the present invention is not limited to the above-mentioned system. Other systems dealing with enhanced mobility are applicable.

[0035] In order to solve the above problems, there are currently two solutions:

[0036] The first method: the user equipment UE reports its moving state, and the base station judges according to the moving state of the UE that if the speed of the UE is fast, it excludes smaller cells from candidate target cells when making a handover decision.

[0037] However,...

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Abstract

A method, device and system for enhancing heterogeneous network mobility. The method includes: the user equipment receives the information including identifying a small cell sent by the network side; when the value used to determine the mobile state of the user equipment exceeds a preset value, cell selection or reselection or cell discovery is performed based on the information , or cell discovery and / or measurement. Through the embodiments of the present invention, it is possible to avoid handover / reselection of faster user equipment to a smaller cell with improved capacity, which is applicable to user equipment in any state, avoids unnecessary measurement of user equipment, and reduces energy consumption.

Description

technical field [0001] The present invention relates to a communication field, in particular to a method, device and system for enhancing the mobility of a heterogeneous network. Background technique [0002] In a heterogeneous network, the system is improved by deploying low-power base stations, such as Pico base stations, Femto base stations, Remote Radio Heads (RRH, Relay) nodes, etc. Capacity or extended coverage, the cells under the coverage of these low-power base stations are called smaller cells. [0003] figure 1 is a schematic diagram of user equipment (UE) movement in a heterogeneous network. Such as figure 1 As mentioned above (the dotted line represents the UE movement trajectory, and the arrow represents the UE movement direction), the macro base station provides the main coverage, the micro cell 1 under the coverage of the micro base station 1 is used to improve the capacity, and the micro cell 2 and micro base station 3 under the coverage of the micro base...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/32
CPCH04W36/0061H04W36/04H04W48/16H04W48/20Y02D30/70
Inventor 常宁娟徐海博汪巍崴吴联海
Owner FUJITSU LTD