The NGMN Alliance has conducted a further study on critical C-RAN technologies. The study was released on March 31, 2015, and version 1.0 of the report is available. The report is confidential and may not be used, disclosed or reproduced without the prior written authorization of NGMN Ltd. The information contained in the report represents the current view held by NGMN Ltd. on the issues discussed as of the date of publication. The report is provided "as is" with no warranties whatsoever.