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To: Boplicity who wrote (1615)	9/17/1999 2:02:00 AM
From: JGoren	Read Replies (3) \| Respond to of 13582

In Dallas, there is a wireless internet provider broadcasting from a high-rise condo in North Dallas (i.e., the high income area of town). You connect via phone line, then everything else is wireless. 1.5mbps. If wireless is to act as last mile, then I would think this is the model for urban areas. Broadcast from a few tall buildings in the city; this would seem to have economies of scale--at least as to fixed service. Thoughts?

To: Boplicity who wrote (1615)	9/17/1999 2:40:00 AM
From: brian h	Read Replies (2) \| Respond to of 13582

Greg, Engineer is the most qualified to talk about HDR. My understanding is that HDR will be in trail. That means it is one step above the lab test status. There is no real result either real positive or negative at this stage. Just huge potential! Just like before 1995, there is no real commercial CDMA network anywhere. All Dr. J and Dr. V. could talk about was some trials or lab test results that did not totally prove in a real world even up to now. ERICY and GSM world punched them real hard before 3/25/99. HDR is still a QCOM only technology. However when Dr. J and Dr. V said "interesting" this time, Wall Street and investors had better listen. It will be very competitive if Dr. J and Dr. V said so. No need to prove it to Wall Street again! Right? :-) Best, Brian H.

To: Boplicity who wrote (1615)	9/17/1999 2:52:00 PM
From: RGarit	Read Replies (2) \| Respond to of 13582

Re: HDR Answers to many of your questions can be found in Oct. issue of Sci. Am. Special Report on HDR. Regards, R Garit

To: Boplicity who wrote (1615)	9/23/1999 12:14:00 PM
From: engineer	Read Replies (2) \| Respond to of 13582

HDR has exactly the same QOS as the cellular or PCS service it is bieng used wiht. It is a narrow band overlay for the existing carrier, so they would allocate 1.25 MHz per 2 MBPS for this. then everyone would have a TDMA type access to this total bandwidth. If it got real popular, then it would have to be microcell'd to expand the capacity. HDR uses the same exact RF radio that the phone uses, it just moduleates the data on it differently from a digital point of view. Adding the HDR to the phone is pretty striaghtforward and simple, just takes time. Adding it to a basestation takes a new ASIC and then a new digital card for the BTS, along wiht the control software for it. If a Lucent for example wanted to roll this out, then adding this to their BTS would take them about 1 year or less total if they got help from QC on it. It is a pure overlay from the RF point of view, so no new RF equipment or new antennas would be needed. As far as service, it would provide a single time multiplexed 2 MBPS channel for your use. Lowest service rate would be about 38k bps, wiht about 50-55 users per cell site active at any one time on a singel cell. for super cells, this is like a 14 km diameter, but for microcells, this could be as low as 100 meteres. If you look at the COX cable Saunders stuff, it could be strung down a street and put at every light pole. Would provide alot cheaper entry point for something like the Road runner service than they have now. the long term vision should be that we have bandwidth everywhere for anyone. If that includes a giant combination of wireless, DSL, cable, bluetooth, etc...it will enable the industry to grow by factors of 10. If we have people like the present carriers controlling this forever who sit and wait for 4 years to find the "killer app" before rolling out the data aps and then only when they can control every acces point and tarif, then it will not happen. HDR may provide a new access medium which can be done wihtout the existing voice oriented carriers involved at all.