Common Public Radio Interface

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Definitions

"Specification" shall mean the digitized Radio Base Station internal interface specification as further described in the "Specification" section of the CPRI homepage
(see www.cpri.info/spec.html).

"Parties" shall mean the six companies cooperating to define the CPRI Specification: Ericsson AB, Huawei Technologies Co., Ltd, NEC Corporation, Nortel Networks SA, Nokia Siemens Networks and Alcatel-Lucent. When referred to individually, the term "Party" is used.

The terms "RE" and "REC" shall mean Radio Equipment and Radio Equipment Control as described and/or specified in the "Specification" section of the CPRI homepage
(see www.cpri.info/spec.html).

The CPRI Specification versions 1.4, 2.1, 3.0 , 4.0 and 4. 1 are now available for download on the Specification section of this homepage. A variety of CPRI products have been made available to the market by the individual CPRI Parties.

May 20 2009
The CPRI Specification version 4. 1 (in addition to 1.4, 2.1, 3.0 , 4.0 ) is now available for download on the Specification section of this homepage. The new 4. 1 release extends the specification to encompass higher line-rates for LTE (Long Term Evolution). A variety of CPRI products have been made available to the market by the individual CPRI Parties.

October 04 2008
The CPRI Specification versions 4.0 (in addition to 1.4, 2.1, 3.0) is now available for download on the Specification section of this homepage. The new 4.0 release extend the specification to encompass the developments for LTE (Long Term Evolution). A variety of CPRI products have been made available to the market by the individual CPRI Parties.

March 06 2007
CPRI specifications version 1.4, 2.1, and 3.0 are now available for download. Version 3.0 contains the addition of WiMAX, an increase in the line bit rate and the inclusion of change requests. Version 1.4 and 2.1 is unchanged.

August 29 2006
CPRI specifications version 1.4 and 2.1 are now available for download. Version 1.4 contains editorial and corrective changes from version 1.3. Version 2.1 contains editorial and corrective changes from version 2.0.

October 15 2004
CPRI specifications version 1.3 and 2.0 are now available for download. Version 1.3 contains editorial and corrective changes from version 1.2. Version 2.0 contains support for networking.