Quadrature amplitude modulation (English Wikipedia)

"G.992.3 : Asymmetric digital subscriber line transceivers 2 (ADSL2)". www.itu.int. Constellation mapper - maximum number of bits per constellation BIMAX ≤ 15. Retrieved 2024-10-09.{{cite web}}: CS1 maint: others (link)

kylia.com

Kylia products Archived July 13, 2011, at the Wayback Machine, dwdm mux demux, 90 degree optical hybrid, d(q) psk demodulatorssingle polarization

Howard Friedenberg and Sunil Naik. "Hitless Space Diversity STL Enables IP+Audio in Narrow STL Bands" (PDF). 2005 National Association of Broadcasters Annual Convention. Archived from the original (PDF) on March 23, 2006. Retrieved April 17, 2005.

"Digital Modulation Efficiencies". Barnard Microsystems. Archived from the original on 2011-04-30.
Kylia products Archived July 13, 2011, at the Wayback Machine, dwdm mux demux, 90 degree optical hybrid, d(q) psk demodulatorssingle polarization
"TrangoLink Apex Orion - Trango Systems". www.trangosys.com. Archived from the original on 2012-03-15.
Howard Friedenberg and Sunil Naik. "Hitless Space Diversity STL Enables IP+Audio in Narrow STL Bands" (PDF). 2005 National Association of Broadcasters Annual Convention. Archived from the original (PDF) on March 23, 2006. Retrieved April 17, 2005.