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Local terminal equipment, signal separator and communicating system

A central office equipment and communication system technology, which is applied in the field of communication systems, can solve problems such as the inability to carry out services, and achieve the effect of avoiding crosstalk

Inactive Publication Date: 2008-08-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In practical applications, multiple users in the same bundle of cables may open a variety of different services, and one user may also open multiple services, and the frequency bands used by these services are different, so the impact of crosstalk will be great, serious or may cause some businesses to be unable to carry out

Method used

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  • Local terminal equipment, signal separator and communicating system
  • Local terminal equipment, signal separator and communicating system
  • Local terminal equipment, signal separator and communicating system

Examples

Experimental program
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Embodiment Construction

[0019] refer to figure 1 , shows the structure diagram of the communication system 10 in the first embodiment of the present invention.

[0020] The communication system 10 includes a first central office device 101, a second central office device 102, a first filter 111, a second filter 112, a first user end device 131, a second user end device 132, a third filter 141, A fourth filter 142 and two subscriber lines 180 .

[0021] The subscriber line 180 is used to connect equipment at the central office side (Central Office, CO) and equipment at the customer side (Customer Premises Equipment, CPE). In this embodiment, the two subscriber lines 180 are twisted pairs, and in other implementations, the subscriber lines 180 may also be any other lines.

[0022] The first central office device 101 and the second central office device 102 are respectively used to support two central office services operating in different frequency bands, that is, the operating frequency bands of the...

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PUM

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Abstract

Disclosed is a communication system which comprises at least two local terminal devices and at least two filters which operate in different frequency ranges; the filters are respectively connected with the local terminal devices to extract the signals in the working frequency range of the local terminal devices among the signals needed to be received by the local terminal devices; the extracted signals are transmitted to the local terminal devices by the filters. The invention also provides a local terminal device and a signal separator. The communication system, the local terminal device and the signal separator extract the corresponding signals needed by the user terminal device or the local terminal device from the signals needed to be received by the device; the simultaneous support of different services is realized; meanwhile, the cross talk mutually generated among the different frequency range services is avoided effectively.

Description

technical field [0001] The present invention relates to a communication system, in particular to a communication system capable of supporting multiple services. Background technique [0002] Providing consumers with cheaper, faster, and more comprehensive high-speed data communications is an eternal and urgent need for telecom service providers. For service providers, users use many different high-speed data communication services to complicate matters. Some methods commonly used to send data at present include, for example, Integrated Services Digital Network (Integrated Service Digital Network, ISDN) service, Digital Subscriber Line (Digital Subscriber Line, DSL) service, and the like. These methods are also divided into many types, making things more complicated. For example, the DSL series of high-speed data communication includes various service hosts, usually recorded as xDSL, where "x" represents a series of DSL services. Currently xDSL services include asymmetrica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/00H04B3/04H04B3/21H04Q11/04H04M9/02H04M11/06
Inventor 王丽李飞郭晓凡张焱梁勇
Owner HUAWEI TECH CO LTD
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