Method for realizing self-optimization of LTE system

A self-optimization and network self-optimization technology, applied in wireless communication, electrical components, etc., can solve problems such as wasteful resource consumption, unreasonable cell coverage, and insufficient self-organizing network, so as to improve the handover success rate and network performance. Effect

Active Publication Date: 2009-12-02
ZTE CORP
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  • Abstract
  • Description
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Problems solved by technology

However, in the current 3GPP 36.423 protocol, the self-optimization process of the self-organizing network is not perfect enough, which will cause problems such as unreasonable coverage of adjacent cells and wasteful resource consumption, so it is necessary to further improve the self-optimization of the self-organizing network

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  • Method for realizing self-optimization of LTE system

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Embodiment Construction

[0024] The main concept of the present invention is that since the automatic optimization of the neighbor cell list and the optimization of network coverage and capacity are two important contents of self-optimization, when the attributes of the serving cell change, the base station must notify the adjacent base station to update the Information, which helps the base station to maintain and optimize the local neighbor list, and can realize cell coverage optimization through the transmission of this information, so as to make reasonable use of network resources.

[0025] The technical solutions of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] The process of realizing self-optimization of LTE system is as follows: figure 1 shown, including the following steps:

[0027] Step 1: After eNB1 learns that the state of one or several cells in the local serving cell has changed, it sends ...

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Abstract

The invention discloses a method for realizing self-optimization of Long Term Evolution (LTE) system, and relates to a mobile communication system. The method provided by the invention comprises the following steps: a base station transmits the state information of a local service subdistrict to an adjacent base station thereof; the adjacent base station updates local information according to the state information; the adjacent base station carries out network self-optimizing processing according to the updated information. The technical scheme in the invention carries out self-optimizing administration on the adjacent subdistrict list, so that the state information of adjacent subdistrict can be fully used as a terminal to choose a suitable target subdistrict by switching and judgement and the success ratio of network switching is improved. In addition, the invention also realizes network coverage and capacity optimizing judgement, thus finally improving network property.

Description

technical field [0001] The present invention relates to a mobile communication system, and more specifically, the present invention relates to a method for realizing self-optimization of an LTE (LongTerm Evolution) system. Background technique [0002] The 3G long-term evolution technology plan LTE (Long Term Evolution) network is composed of E-UTRAN (Evolved UTRAN) base station eNB (Evolved NodeB) and evolved packet switching center EPC (Evolved Packet Core), and the network is flat. The EUTRAN includes a collection of eNBs connected to the EPC through the S1 interface, and the eNBs can be connected through the X2, and both S1 and X2 are logical interfaces. One EPC can manage one or more eNBs, one NodeB can also be controlled by multiple EPCs, and one eNB can manage one or more cells. [0003] In order to reduce the operation cost and maintenance cost in the LTE system, operators need to do a lot of work when establishing and operating a network, such as planning, configur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W88/08
Inventor 高音
Owner ZTE CORP
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