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{{Short description|Communications standard}}
The '''Common Public Radio Interface''' ('''CPRI''') standard defines a flexible interface between Radio Equipment Controllers (REC) and Radio Equipment (RE).<ref name="CPRI_spec">{{cite web|url=http://www.cpri.info/spec.html|title=CPRI Specification Overview and Download}}</ref>
The '''Common Public Radio Interface''' ('''CPRI''') standard defines an interface between Radio Equipment Control (REC) and Radio Equipment (RE).<ref name="CPRI_spec">{{cite web|url=http://www.cpri.info/spec.html|title=CPRI Specification Overview and Download}}</ref> Oftentimes, CPRI links are used to carry data between ]/]s and ]/baseband units.<ref>{{cite web | url=https://www.fiercewireless.com/tech/what-ecpri-and-why-it-important-for-5g-and-open-vran | title=What is eCPRI, and why is it important for 5G and open vRAN? &#124; Fierce Network | date=15 October 2019 }}</ref>


The purpose of CPRI is to allow replacement of a ] or ] cable connection between a ] (used example for mobile-telephone communication and typically located in a tower) and a base station (typically located at the ground nearby), so the connection can be made to a remote and more convenient location.<ref name="CPRI_overview_EXFO">{{cite web|url=http://www.equicom.hu/wp-content/uploads/EXFO_anote310_Understanding-Basics-CPRI-Fronthaul-Technology_en.pdf|title=Understanding the Basics of CPRI Fronthaul Technology (by EXFO)}}</ref> This connection (often referred to as the ] network) can be a ] to an installation where multiple remote base stations may be served. The purpose of CPRI is to allow replacement of a ] or ] cable connection between a ] (used example for mobile-telephone communication and typically located in a tower) and a base station/baseband unit<ref>{{cite web | url=https://www.fiercewireless.com/tech/what-ecpri-and-why-it-important-for-5g-and-open-vran | title=What is eCPRI, and why is it important for 5G and open vRAN? &#124; Fierce Network | date=15 October 2019 }}</ref> (typically located at the ground nearby), so the connection can be made to a remote and more convenient location.<ref name="CPRI_overview_EXFO">{{cite web|url=http://www.equicom.hu/wp-content/uploads/EXFO_anote310_Understanding-Basics-CPRI-Fronthaul-Technology_en.pdf|title=Understanding the Basics of CPRI Fronthaul Technology (by EXFO)}}</ref> This connection (often referred to as the ] network) can be a ] to an installation where multiple remote base stations may be served. This fiber supports both single and multi mode communication. The fiber end is connected with the ] (SFP) transceiver device.<ref>{{Cite web|last=|first=|date=15 June 2019|title=CPRI Cable Function and Details in Telecom|url=https://www.telecomkhabar.com/2019/06/cpri-cable-function-and-details-in-telecom/|url-status=live|archive-url=https://web.archive.org/web/20200127151406/https://www.telecomkhabar.com/2019/06/cpri-cable-function-and-details-in-telecom/ |archive-date=2020-01-27 |access-date=2019-07-18|website=telecomkhabar.com|language=en-US}}</ref>


The companies working to define the specification include [[Ericsson|Ericsson The companies working to define the specification include [[Ericsson|Ericsson
AB]], ], ], AB]], ], ] and ].
] and Nokia.


==See also== ==See also==
* ] (OBSAI)
* ]
* ] * ] (RRH)


==References== ==References==

Latest revision as of 07:34, 19 December 2024

Communications standard

The Common Public Radio Interface (CPRI) standard defines an interface between Radio Equipment Control (REC) and Radio Equipment (RE). Oftentimes, CPRI links are used to carry data between cell sites/remote radio heads and base stations/baseband units.

The purpose of CPRI is to allow replacement of a copper or coax cable connection between a radio transceiver (used example for mobile-telephone communication and typically located in a tower) and a base station/baseband unit (typically located at the ground nearby), so the connection can be made to a remote and more convenient location. This connection (often referred to as the Fronthaul network) can be a fiber to an installation where multiple remote base stations may be served. This fiber supports both single and multi mode communication. The fiber end is connected with the Small Form-factor Pluggable (SFP) transceiver device.

The companies working to define the specification include Ericsson AB, Huawei Technologies Co. Ltd, NEC Corporation and Nokia.

See also

References

  1. "CPRI Specification Overview and Download".
  2. "What is eCPRI, and why is it important for 5G and open vRAN? | Fierce Network". 15 October 2019.
  3. "What is eCPRI, and why is it important for 5G and open vRAN? | Fierce Network". 15 October 2019.
  4. "Understanding the Basics of CPRI Fronthaul Technology (by EXFO)" (PDF).
  5. "CPRI Cable Function and Details in Telecom". telecomkhabar.com. 15 June 2019. Archived from the original on 2020-01-27. Retrieved 2019-07-18.

External links

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