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To: LarsA who wrote (21308)	7/18/2002 2:34:33 PM
From: carranza2	Read Replies (2) \| Respond to of 34857

Rysavy's White Paper does not appear to say whether he assumes any SMV on CDMA2000, though as a non-techie, I may have misread it. If he does not assume SMV in CDMA2000 in his comparisons, then the White Paper is a Brown Paper suitable for use in a bathroom since SMV provides enhancements to CDMA performance much like those AMR provides GSM. It is perhaps even more efficiency-producing than AMR. cdg.org If you accept the comparisons found here, you'll see that SMV provides higher quality speech than AMR, which is so-so. eas.asu.edu

To: LarsA who wrote (21308)	7/18/2002 5:19:12 PM
From: 49thMIMOMander	Respond to of 34857

Adapting channel-coding (error control) vs voice coding improves "coverage", handsets in bad spots, inter-cell intereference, with adaptive channel-allocation, frequency hopping helps keeping up the connection (just some additional comments) While EDGE increases capacity for those handsets in "good spots", giving "more" to the ones above, in bad spots. Similar to the "boomer-problem" down under, except for handling the long ping-pong delay by not using neighboring timeslots. (which you pointed to) Porches, heavy trucks on smooth highways and some leningrad cowboy tractors on muddy roads, not the other way around. (not comparable to the topography of cells, but to the air-channel) Networks, cell-, mast-sites based on AMPS are tough to "modernize", something NMT-GSM avoided from the very start, especially when going 900 to 1800MHz for denser populations, incrementally and systematically. Sharing masts and backbones, electricity,etc, would also do wonders. Ilmarinen Once upon a time, there were two neighbouring farmers getting along pretty well, especially the kids, slightly lonely as they were, although close to a highway. Then things got bad, as one of them got a mast on his property as well as the yearly rent, better electricity line and an additional access road, although short sometimes useful, the other one didn't, just had to look at that mast from his field and porch. Then things got better, he too got a mast from the competing operator, newer and better painted, even looked taller from the porch. But then mast sharing became regulated, so now both worry once again.