Saterley

Telecom Gear Consolidation Is Stalled Over CDMA Conundrum

3GSM, UMTS, WCDMA, HSDPA, and HSPA are all CDMA with a CDMA air interface. CDMA will be around for a long time.


On Aug 06 10:31 AM From the damned company wrote:

> The article is correct in it's conclusion. The arguments used don't
> support the conclusion as the facts are incorrect.
>
> CDMA is a more advanced radio technology than GSM's TDMA. The best
> evidence is that all 3G technologies make use of CDMA radio principles.
>
>
> CDMA started as a 2G technology and has evolved into a 3G technology.
> GSM with GPRS reached 2.5G with EDGE reached 2.75G, but does not
> reach 3G.
>
> GSM needs replace cell sites to reach 3G (UMTS) or 3.5G (HSPA).
>
>
> What GSM has going for it is far larger scales of economy. A more
> cooperative launch across Europe that ensured international roaming
> between operators enticed other operators to select GSM, since it
> would work in more places and at lower expense.
>
> Adding to the further downfall of CDMA is the intent of the remaining
> CDMA service providers to either (a) use the 4G technology, LTE --
> Verizon Wireless, KDDI; (b) switch over the UMTS/HSPA -- SKT, KTF,
> Telstra, Telecom New Zealand; or (c) switch to GSM -- mostly in places
> that haven't licensed UMTS spectrum -- Reliance, Vivo, Movistar.
> By the way, Sprint's 4G technology selection is WiMax.