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Channel multiplexing method with arbitrary number of e1 channels and adjustable Ethernet bandwidth

An Ethernet and channel technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems of occupation, low channel utilization, and E1 ports cannot be used at the same time, so as to avoid occupying channel resources and improve utilization. rate, and the effect of improving channel utilization.

Active Publication Date: 2011-12-21
安徽省菲特科技股份有限公司 +1
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AI Technical Summary

Problems solved by technology

In a digital microwave system, usually E1 ports cannot be used at the same time, each E1 port occupies 2.048M bandwidth, and the unused E1 port bandwidth is idle, and the channel utilization rate in the entire communication system is low

Method used

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  • Channel multiplexing method with arbitrary number of e1 channels and adjustable Ethernet bandwidth
  • Channel multiplexing method with arbitrary number of e1 channels and adjustable Ethernet bandwidth

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Embodiment Construction

[0017] In the present embodiment, any number of E1 channels and the adjustable channel multiplexing method of Ethernet bandwidth are carried out according to the following steps:

[0018] Set a data buffer FIFO for buffering data in the E1 channel and the Ethernet channel respectively, monitor the data storage capacity in the data buffer FIFO in real time, and set the mapping table according to the communication requirements, such as figure 1 As shown, the mapping table is stored in RAM, and its content is composed of ID and enable, ID is used to identify each business data, business data includes E1 channel data and Ethernet channel data, enable is used to define whether to multiplex to the channel, Composed of binary numbers, 0 means that multiplexing to the channel is not allowed, and 1 means that multiplexing to the channel is allowed; the content in the mapping table is modified online by the CPU;

[0019] Query the content in the mapping table in real time, and perform m...

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Abstract

The invention discloses any number of E1 channels and an Ethernet bandwidth adjustable information multiplexing method, which are characterized by determining the service data needed to be multiplexed through inquiring content of a mapping table in real time, and when the E1 channels have no service data to be multiplexed, allocating idle bandwidth to Ethernet ports according to communication requirements of the Ethernet. The multiplexing mode is beneficial for making full use of bandwidth, improving utilization rate of channels, greatly increasing system flexibility and meeting the requirements under multiple scenes.

Description

technical field [0001] The invention relates to a channel multiplexing method with adjustable number of E1 channels and Ethernet bandwidth in a digital microwave communication system. Background technique [0002] Digital microwave communication is a wireless transmission method that uses microwave bands for digital information transmission. The digital microwave communication system includes an indoor unit IDU and an outdoor unit ODU. The indoor unit IDU multiplexes several different types of service data according to a certain format, performs error correction coding and modulation processing, and then sends them to the outdoor unit ODU. In a digital microwave system, usually E1 ports cannot be used at the same time, and each E1 port occupies 2.048M bandwidth, and the unused E1 port bandwidth is idle, and the channel utilization rate in the entire communication system is low. Contents of the invention [0003] The present invention provides a channel multiplexing metho...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/911
Inventor 吴端陶鸿陈士兵赵科
Owner 安徽省菲特科技股份有限公司
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