[maemo-users] Nokia NXXX With A Phone!

From: John Holmblad jholmblad at acadiasecurenets.com
Date: Sat Jan 26 18:31:59 EET 2008

re your comment:

   "... It wouldn't take much to add an IP header to it.."

That is what the 3GPP^1 has been working toward lo these many years and 
the standards are now emerging as the Long Term Evolution (LTE^2 ) 
technology for IMT-Advanced^3 (informally referred to as 4g) mobile 
networks, although some will argue that LTE is not a bonda fide 4g 

The ruling paradigm of 4g is"all IP/all the time".

WIMAX^4 which incorporates the IEEE 802.16e standard is an alternative 
3g standard (protocol stack actually) that has been ratified by the ITU 
for inclusion in the IMT2000^5 family of 3G standards. WIMAX, because it 
also follows the "all IP/all the time" network design paridigm has many 
of the technical attributes of LTE. The IEEE is drafting a new standard 
within the 802.16 family, known as 802.16m which will   juice up the  
payload  data rate to the point that  802.16m^6 will  be able to  fit 
within the IMT-Advanced standards framework.

If this standards "soup" sounds confusing it is because it is. The 
dailywireless.org article that I reference (6) has two nice graphics, 
one that shows the suitability of various protocol standards as a 
function of two variables, x = payload rate and y = degree of mobility 
require, and a second graphic that shows the evolution of 
mobile/wireless standards over time  which is further down in the article.


(see in particular the note regarding release 8 onwards)

2.  http://en.wikipedia.org/wiki/3GPP_Long_Term_Evolution

3.  http://en.wikipedia.org/wiki/IMT_Advanced

4. http://en.wikipedia.org/wiki/Wimax

5. http://en.wikipedia.org/wiki/IMT2000

6. http://www.dailywireless.org/2007/02/20/wimax-80216m-100-mbps/

Best Regards,


John Holmblad


Acadia Secure Networks, LLC

James Knott wrote:
> Gary wrote:
>> Joshua Layne wrote:
>>> What frequencies would this radio support? (850,900,1700,1800,1900,2100)
>>> (1700 and 2100 are data only)
>>> What data standards? EDGE? UMTS? HSDPA? and on which of the above
>>> frequencies?
>> Quad band phones are more common than they used to be but GPRS, even 
>> with EDGE, is too slow to carry VoIP traffic.
> At work, we sell equipment that can do VoIP in under 20 KB/s, which is
> less than what GPRS is capable of. Also, digital cell phone voice is
> already in packets. It wouldn't take much to add an IP header to it.

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