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Handover type based method for optimizing handover parameters in wireless celluar communication system

A handover type and communication system technology, which is applied in the field of optimized handover parameters based on the handover type, can solve problems such as increased call drop and increased burden on the system, and achieve the effects of reducing handover delay, ensuring smooth progress, and avoiding the ping-pong effect

Active Publication Date: 2010-10-06
COMBA TELECOM SYST CHINA LTD
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Problems solved by technology

[0009] If the signal strength of two base stations changes drastically in a certain area, the UE will switch back and forth between the two base stations, resulting in a "ping-pong effect", which increases the burden on the system and increases the possibility of call drop

Method used

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  • Handover type based method for optimizing handover parameters in wireless celluar communication system
  • Handover type based method for optimizing handover parameters in wireless celluar communication system
  • Handover type based method for optimizing handover parameters in wireless celluar communication system

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Embodiment Construction

[0053] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0054] Such as figure 1 As shown, a flat structure is introduced in the LTE system, so that the LTE network has only two layers of nodes, namely the core network (CN) and the radio access network (RAN). In the RAN, the eNode B (base station) handles the mobility of the UE , therefore, the UE handover between eNode Bs in the LTE network is much higher than the handover between RNCs (Radio Network Controllers, radio network controllers) in the UMTS...

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Abstract

The invention provides a handover type based method for optimizing handover parameters in a wireless cellular communication system. The method comprises the following steps: firstly, determining the handover type according to handover priority information; and optimizing handover parameters according to the corresponding handover type. In the method, a service base station judges that user equipment UE belongs to one of a radio quality based handover type H1, a mobile speed based handover type H2, or load condition based handover type H3 according to the preset priority algorithm, and optimizes the corresponding handover parameter HOM (Handover Margin) and TTT (time-to-tiger) according to the handover type. The method optimizes the handover parameters according to the handover type of the user equipment so as to avoid the ping-pong effect and reduce handover time delay and unnecessary handover times.

Description

technical field [0001] The invention relates to the technical field of wireless cellular communication, in particular to a method for optimizing handover parameters based on handover type in a wireless cellular communication system. Background technique [0002] In recent years, with the rapid development of wireless communication, a large number of new standards and systems have emerged, and with the emergence of new standards and systems, a large number of new technologies, new theories and new methods of analyzing problems have been proposed. [0003] Currently, 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) has proposed an LTE (Long Term Evolution, long-term evolution) system, and the advantages of the LTE system include: higher data rate, shorter delay, better optimized packet handling, improved system capacity, and better coverage. [0004] In a wireless cellular communication system, mobility management (Mobility Management) plays an im...

Claims

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Application Information

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IPC IPC(8): H04W36/08H04W36/26
Inventor 彭木根陈俊杨常青王文博
Owner COMBA TELECOM SYST CHINA LTD
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