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Method for updating SSCOP link circuit sliding window using ATM technique

An update method and link technology, which can be used in error prevention/detection using return channels, digital transmission systems, data exchange networks, etc., and can solve the problem that sliding windows cannot be dynamically updated.

Inactive Publication Date: 2008-06-25
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012]Therefore, in order to solve the problem that the sliding window of the receiving window cannot be updated dynamically, the present invention provides a new flow control algorithm of the SSCOP link to realize the automatic sliding window renew

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  • Method for updating SSCOP link circuit sliding window using ATM technique
  • Method for updating SSCOP link circuit sliding window using ATM technique
  • Method for updating SSCOP link circuit sliding window using ATM technique

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Embodiment Construction

[0030] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0031] Such as figure 1 Shown, according to the SSCOP link sliding window update method in the mobile communication system of the present invention comprises step S102, the link all calls CPCS / ATM detection function to obtain the current remaining number of CPCS / ATM cache when receiving a data packet every time. number.

[0032] Then, in step S104, according to the current remaining number and the remaining number of receiving buffers obtained in the previous period, an evaluation value of the current link receiving capability is calculated according to a predetermined algorithm. Wherein, the previous period refers to the interval period between two receiving windo...

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Abstract

The invention provides a method which upgrades the sliding window of a SSCOP link by adopting the ATM technology. The method comprises the following steps: the CPCS / ATM detection function is called to obtain the current surplus number of the CPCS / ATM buffer when the link receives a data packet without exception; the evaluation value of the current receiving capacity of the link is calculated according to the predetermined algorithm based on the current surplus number and the last period surplus number of the receiving buffer obtained at the last period; the size of a receiving window is determined according to the predetermined rules based on the evaluation value and the total number of the buffers, wherein, the last period refers to the time interval of the twice receiving windows, thus, the upgrading to the sliding window of the SSCOP link among the network element equipment (such as the core network CN, the radio network controller RNC, the base station Node B, etc.) of the third generation mobile communication system which adopts the ATM technology as the terrestrial transmission bearing is realized.

Description

technical field [0001] The present invention relates to a sliding window update method for SSCOP links, more specifically, relates to a core network CN, a radio network controller RNC and a base station NodeB of a third generation mobile communication system using ATM technology as a ground transmission bearer. A method for updating the sliding window of the SSCOP link between meta-devices. Background technique [0002] When the third-generation mobile communication system uses ATM (Asynchronous Transfer Mode) technology as the ground transmission bearer, the Iu interface between the core network CN (Core Network) and the radio network controller RNC (radio network controller) (between the RNC and the core network) interface), the Iub interface between the RNC and the base station NodeB (the base station) (the interface between the RNC and the base station) and the Iur interface between the RNCs (the logical interface between two RNCs, which may not be a point-to-point conne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/02H04L1/16H04L29/06H04L45/02
Inventor 赵泽盛樊沛胡典雄
Owner ZTE CORP