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System and method for communicating traffic between a cell site and a central office in a telecommunications network

A technology of residential sites and telecommunication networks, which is applied in transmission systems, network traffic/resource management, electrical components, etc., and can solve the problems of increased overhead and cost of IP solutions

Inactive Publication Date: 2009-01-14
CISCO TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

IP solutions add a significant amount of overhead and cost to be as efficient as similar networks such as those implementing the Asynchronous Transfer Mode (ATM) protocol

Method used

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  • System and method for communicating traffic between a cell site and a central office in a telecommunications network
  • System and method for communicating traffic between a cell site and a central office in a telecommunications network
  • System and method for communicating traffic between a cell site and a central office in a telecommunications network

Examples

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Embodiment Construction

[0012] FIG. 1 illustrates an exemplary wireless communication system 10 . Communication system 10 includes a plurality of cell sites 12 that communicate with subscriber units 13 using base transceiver stations 16 and cell site routers 18 . The central office site 14 uses aggregation nodes 22 and base station controllers 24 to communicate with the cell sites 12 . Communication system 10 may include one or more network management systems 20 coupled to one or both of cell site 12 and central office site 14 as desired. Mobile switching center 25 provides an interface between base station controller 24 of central office site 14 and public switched telephone network 27, internet protocol network 29 and / or any other suitable communication network. Base transceiver station 16 may be coupled to cell site router 18 by a T1 line or any other suitable communication link. Similarly, base station controller 24 may also be coupled to aggregation node 22 via a T1 line or any other suitable ...

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PUM

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Abstract

A communication system includes a cell site router that receives a voice traffic stream in a layer two based protocol. The cell site router removes redundant information to generate a compressed stream of payloads from the layer two based protocol voice traffic stream. The cell site router sorts each payload of the compressed stream according to its intended destination and generates a layer two packet for each group of payloads of the compressed stream having a same intended destination. The cell site router prioritizes for transmission each layer two packet with other packets not carrying the voice traffic stream and having the same intended destination The communication system also includes an aggregation node that receives packets from the cell site router. The aggregation node separates layer two packets from the other packets and extracts each payload from each of the layer two packets. The aggregation node decompresses each payload carried by the layer two packet and forwards each payload towards its intended destination.

Description

technical field [0001] The present invention relates generally to communication signal transmission and processing, and more particularly to systems and methods for transporting traffic between a cell site and a central office in a telecommunications network. Background technique [0002] Today's radio access network (RAN) products focus on delivering traffic from cell sites, where base transceiver stations (BTSs) reside, to central office (CO) sites, where base transceiver stations (BSCs) reside. So far, only layer 3 solutions such as Internet Protocol (IP) have been proposed for this field. However, the data transfer requirements of most traffic in 2G / 3G RAN are point-to-point, ie, BSC to BTS. IP solutions add a significant amount of overhead and cost to be as efficient as similar networks such as those implementing the Asynchronous Transfer Mode (ATM) protocol. Additionally, these IP solutions rely on RAN vendors to follow pre-standardized architectures. Contents of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/30H04H20/00H04W28/06H04W72/12
CPCH04L29/06503H04W28/06H04L65/605H04W72/1242H04L65/765H04W72/569
Inventor 马尔克姆·M·史密斯
Owner CISCO TECH INC
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