On Thu, 10 May 2012 21:40:36 -0700 Bruce Perens <br...@perens.com> wrote:
> On 05/10/2012 09:33 PM, David Rowe wrote: > > However I think any form of PSK would still require a SSB tcvr, so > > no HT. > When no part of the signal is carried as an amplitude variation, it > can be amplified using a non-linear amplifier. GMSK is very > definitely used this way. Yes, but PSK has a phase trajectory straight through the origin of the vector diagram, which is why Pi/4DQPSK with even and odd symbols at 45 degree offset came into being to reduce the large amplitude variation. -- Brian Morrison ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Freetel-codec2 mailing list Freetel-codec2@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freetel-codec2