The NGMN Alliance has released a whitepaper on recommendations for standards for parameters describing active antenna systems for base stations. The whitepaper was developed by Bruno Biscontini of Huawei and includes contributions from Amphenol Antenna Solutions, Ericsson, Huawei, Kathrein, Orange, Nokia, RFS, Telecom Italia, Telefonica, and Vodafone. The whitepaper was approved by the NGMN Board on April 27, 2020, and is provided "as is" with no warranties. The information contained in the whitepaper represents the current view held by NGMN e.V. on the issues discussed as of the date of publication.