Explicit priority method for information cell repeating and its communication system

A technology for implementing system and priority, applied in the field of packet network transmission methods and communication network systems, can solve problems such as inability to support hierarchical coding transmission schemes, and achieve the effect of easy implementation and simplified complexity

Inactive Publication Date: 2003-02-19
SPREADTRUM COMM (SHANGHAI) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, if the relative priority of cells in a virtual connection cannot be specified by the source, this hierarchical coding transmission scheme cannot be supported

Method used

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  • Explicit priority method for information cell repeating and its communication system
  • Explicit priority method for information cell repeating and its communication system
  • Explicit priority method for information cell repeating and its communication system

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Experimental program
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Embodiment approach

[0035] In the communication network shown in FIG. 1, two users use user terminals 11 and 15 to conduct two-way communication respectively. The user terminal 11 includes a terminal application 111 , a cell generation and priority setting module 112 , a cell data extraction module 113 , a transmission quality control module 114 and a line driver interface module 115 . The user terminal 15 includes a terminal application 151 , a cell generation and priority setting module 152 , a cell data extraction module 153 , a transmission quality control module 154 and a line driver interface module 155 . The network switching node 13 includes an input and output port module 131, a switching matrix module 132, and an intelligent priority cell buffer module 133. 12 and 14 are network terminals at network entrances. The solid line connecting user terminal 11 and network terminal 12, network terminal 12 and switching node 13, switching node 13 and network terminal 14, network terminal 14 and u...

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Abstract

Priority cell relay method and communication realize system belong to network transmission technology with definite cell legnth. Cells are designed in different cell transmission priorities according to the special information carried by each cell generated and sent by the source cell send terminal. The network terminal at the network entrance monitors the cell arriving speed of dummy connection and discards priority of the cell arrived at the cell device. Network exchange nexus use preserved network resources to transmit cells within service protocol and remaining resources to transmit cells out of the protocol bandwidth and to identify multiple different cell transmission priorities in one connection. Interests of users and network are taken care of at the same time by flow abase indication.

Description

technical field [0001] The invention belongs to a network transmission method and its realization system, in particular to a packet network transmission method and a communication network system using fixed-length cells as information transmission units. Background technique [0002] The Broadband Integrated Services Digital Network (BISDN) proposed by ITU-T (International Telecommunication Union Standardization Sector) is a representative of such a packet transmission network. BISDN is a high-speed, low-latency multiplexing and switching network that uses Asynchronous Transfer Mode (ATM) to provide residential and business users with a wide range of integrated services through a standard user network interface, while supporting voice, data and video applications. and other types of transmission applications. [0003] The ATM transmission network provides functions up to the ATM protocol layer. These functions are realized through the letter header. When transmitting inform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04Q3/545
Inventor 陈相宁王京
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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