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System and method for transmitting CPRI interface on grouping equipment

An interface and equipment technology, applied in transmission systems, digital transmission systems, data exchange through path configuration, etc., can solve problems such as waste of resources, small application range of PTN, and inability of PTN to be used, to expand capabilities and application scope, extend Lifecycle Effects

Active Publication Date: 2017-07-11
FENGHUO COMM SCI & TECH CO LTD
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AI Technical Summary

Problems solved by technology

However, PTN does not have the capability of time slot exchange and transmission, so that PTN cannot directly transmit common public radio interface CPRI services. As a result, PTN cannot be applied in wireless fronthaul networks, and the application range of PTN is small, resulting in waste of resources.

Method used

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  • System and method for transmitting CPRI interface on grouping equipment
  • System and method for transmitting CPRI interface on grouping equipment
  • System and method for transmitting CPRI interface on grouping equipment

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Embodiment Construction

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0035] see figure 1 As shown, the embodiment of the present invention provides a system for transmitting a CPRI interface on a packet device, including a source-end packet device platform and an Ethernet frame sending module, and the source-end packet device platform includes: a CPRI receiving module for sending the source-end The CPRI optical signal received by the packet device platform is converted into a CPRI electrical signal, and the clock is extracted as the timing system reference source of the source packet device platform; the CPRI slicing module is used to cut the continuous CPRI electrical signal into fixed-length CPRI data slices, In this embodiment, the fixed length of cutting the CPRI electrical signal according to the CPRI option level is N*64 bytes, such as CPRIoption1 / CPRI option2 corresponds to N=1, that is, the CPRI data sl...

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Abstract

The invention discloses a system and a method for transmitting a CPRI interface on grouping equipment. The system comprises a source-end grouping equipment platform and a host-end grouping equipment platform. The source-end grouping equipment platform is used for converting a received CPRI optical signal into a CPRI electrical signal, cutting the CPRI electrical signal into a CPRI data slice of a fixed length, and adding an RTP fixed frame header and a control word to the CPRI data slice so as to obtain a CPRI grouping packet. An MPLS / VLAN identifier is added to the CPRI grouping packet and then the CPRI grouping packet is encapsulated into an Ethernet frame. The host-end grouping equipment platform is used for recovering the CPRI data slice from the Ethernet frame, and subjecting the CPRI data slice to recombinant recovery to obtain continuous CPRI electrical signals. Meanwhile, the CPRI electrical signals are sent to a corresponding user. In this way, the grouping equipment can be applied to a wireless forward-transmission network. The networking capability and the application range of the grouping equipment are enlarged.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a system and method for transmitting CPRI interfaces on grouping equipment. Background technique [0002] Most of the data transmission platforms are packet transmission devices. The packet transmission network PTN provides a unified transmission platform with better performance and compatibility with various technologies such as Ethernet, SDH, and PDH. It eliminates the diversity of network construction types and replaces them with interface types. diversity. However, the PTN does not have the time slot exchange transmission capability, so that the PTN cannot directly transmit the common public radio interface CPRI service, so that the PTN cannot be applied in the wireless fronthaul network, and the application range of the PTN is small, resulting in a waste of resources. Contents of the invention [0003] Aiming at the defects existing in the prior art, the object of ...

Claims

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Application Information

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IPC IPC(8): H04L12/723H04L12/911H04L12/46H04L45/50
CPCH04L12/4633H04L12/4645H04L45/502H04L47/825
Inventor 周志强
Owner FENGHUO COMM SCI & TECH CO LTD
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