All answers have been held as short as possible and require an understanding and study of the corresponding chapter of the book. Answer 1: When data is transferred over a circuit switched channel, a dedicated connection is established between two parties. Data is sent without any overhead like lower level addressing. Bandwidth and delay are … Continue reading GPRS Q&A
The Carnival of the Mobilists has moved to the Golden Swamp. The intro says it all: "Welcome to the 25th Carnival of the Mobilists – Where you can read the news observations and wisdom of the Web’s finest writers on the emergine mobile era".
When I moved into a new appartment in Paris last summer there were ‘only’ two WLAN networks in the air in the range of my PC except of my own. Today, there are already six (see picture). All of them but one are protected and some even use WPA. Not too bad for a country … Continue reading WLAN is catching on in Paris