Method for realizing quick establishing a call, and quick switching cells through leaving resources behind in advance

A technology of resource reservation and cell handover, which is applied in the directions of network traffic/resource management, wireless communication, electrical components, etc. It can solve the problems of inability to quickly establish a call and fast cell handover, saving time delay, speeding up the handover process, reducing delay effect

Active Publication Date: 2007-02-21
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0026] The problem to be solved by the present invention is to provide a method for realizing fast call establishment and fast cell switching through resource reservation, so as to overcome the defect that the prior art cannot realize fast call setup and fast cell switching for special services

Method used

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  • Method for realizing quick establishing a call, and quick switching cells through leaving resources behind in advance
  • Method for realizing quick establishing a call, and quick switching cells through leaving resources behind in advance
  • Method for realizing quick establishing a call, and quick switching cells through leaving resources behind in advance

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Embodiment Construction

[0078] Below we will describe in detail the best implementation of the present invention with reference to the accompanying drawings. First of all, it should be pointed out that the meanings of the terms, words and claims used in the present invention should not be limited to their literal and ordinary meanings, but also include meanings and concepts consistent with the technology of the present invention, because It is up to us, as inventors, to define terms appropriately in order to best describe our inventions. Therefore, the configurations given in this specification and the accompanying drawings are only preferred implementations of the present invention, rather than enumerating all technical characteristics of the present invention. We need to recognize that there are various equivalents or modifications that could replace ours.

[0079] The present invention first reserves resources between the user (including the calling user and the called user) to the PTT Server: th...

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Abstract

The method comprises: the network side reserves VoIP channel resources for the calling user and called user; when calling user initiates a call, it activates the VoIP channel resources reserved for calling user; the calling user sends call request message to PTT server through the VoIP channel resources reserved for the calling user; according to the information of called user, the PTT server activates the VoIP channel resources reserved for the called user, which is allocated to the called user; establishing call connection between both calling and called users to make phone call.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method for realizing quick call establishment and cell switching through resource reservation. Background technique [0002] The current third-generation mobile communication systems include: TD-SCDMA (Time Division Synchronous Code Division Multiple Access, Time Division Synchronous Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access), CDMA2000 (Code Division Multiple Access 2000, Code Division Multiple Access 2000), etc. These systems usually use circuit mode or packet VoIP (Voice Over IP, voice over IP) mode for call connection. Among them, the call establishment process of 3G system packet VoIP is as follows: figure 1 and figure 2 shown, where figure 1 The call establishment process for the calling side, including: [0003] Step s101, the calling user sends an RRC connection request (RRCConnection R...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/28H04W28/26H04W36/08H04W72/04H04W76/02
Inventor 郭轶叶少强徐莉苏东升王文清吴建峰
Owner DATANG MOBILE COMM EQUIP CO LTD
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