(keitai-l) Re: Another tech rant?

From: Ken Chang <carigate_at_yahoo.com>
Date: 08/27/03
Message-ID: <20030827164727.57964.qmail@web13115.mail.yahoo.com>
mom's cooking book says: 

the current 1xEV-DV can do 5.184 Mb/s over a 1.25 MHz carrier, thus 
for a 5 MHz band, we should be able to do at least 20 Mb/s. 

note: DV is based on Motorola 1XTREME technology and Qualcomm isn't 
very interested.  besides the fast speed, cdma2000's lethal weapon 
is the low price it can offer, a far more economical system than UMTS. 

for UMTS, the HSDPA technology that DoCoMo will use offers 10+ Mb/s 
data rates, and MIMO about 20 Mb/s over 5 MHz.  the original 2 Mb/s 
standard is a shite, careless waste of radio resource. 

the MC-CDMA and LAS-CDMA systems will achieve 30 Mb/s around 2005. 

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Received on Wed Aug 27 19:54:16 2003