1CTIA Test Plan for Mobile Station Over the Air Performance. Rev. 3.1.2011.
23GPP TS 34.114; User Equipment (UE) / Mobile Station (MS) Over The Air (OTA) Antenna Performance. V8.4.0 (2010-06).
3Rohde& Schwarz White Paper 1 SP 12. Two-Channel Method for OTA Performance Measurements of MIMO-Enabled Devices. www.rohde-schwarz.com (search term: 1SP 12).