Sunday, March 31, 2002



Useit.Com: Top Research Laboratories in Human-Computer Interaction. A core group of elite corporate research labs (and a few universities) defined the field of human-computer interaction and established much of whatever ease of use we now enjoy. With big labs disappearing, the future of HCI research is in jeopardy. [Tomalak's Realm]
3:36:16 PM    comment   

How is CDMA superior to TDMA?

Short answer: It supports more calls in the same spectrum, and it dynamically allocates bandwidth more easily.

Long answer: Spectrum is extremely expensive; it has to be purchased from various governmental licensing authorities at auction, and sometimes these auctions have involved billions of dollars (or equivalent monetary value in other currencies). It represents a considerable investment by a carrier.


2:57:11 PM    comment   



Excellent weblog on FPGA (field programmable gate arrays) cpus.  These processors let you change the structure of the chip via software on-the-fly for hardware level acceleration. 

[John Robb's Radio Weblog]
2:55:06 PM    comment   

Japan: Can 3G phones capture criminals?

Police officers in Japan believe third-generation (3G) mobile phones can be used to capture video footage of criminals in action and are encouraging people with the phones to assist them in their fight against crime.
4:31:18 AM    comment