The NGMN Alliance has released a deliverable document titled "Multi-Antenna Technology Future Requirements" on February 6th, 2013. The document is confidential and proprietary to NGMN Ltd., and may not be used, disclosed or reproduced without prior written authorization. The document represents the current view held by NGMN Ltd. on the issues discussed as of the date of publication. The document is provided "as is" with no warranties whatsoever, including any warranty of merchantability, non-infringement, or fitness for any particular purpose. The document is edited by Ma Xin, Ma Xin, Yang Wutao, Elite Wu, Arne Dominik, Cao Xiaodong, and Peter Skov, and has been approved by the NGMN Board. The document provides guidelines for future multi-antenna technology requirements.