b) What do you know about E911? 2. Language Points
a) With conventional 911, the caller’s location must be provided by the caller… conventional: a. following what has been customary eg: His opinion are rather narrow and conventional.
b) …country’s valid street addresses.
Valid: a. effective because made or done with correct formalities
Eg: The tourists are prevented from entering a country if they do no have a valid passports.
c) …the dispatcher can send help to a caller’s location even if the caller is incapacitated.
incapacitated: a. incapable of doing things
Eg: An 82-year-old man suffered a series of heart attacks that left him incapacitated, and other medical problems soon developed.
3. Text Organization Part One: para.1
In the future, location-aware networking will present great opportunities for users and improve the security and effectiveness of Wi-Fi networks. Part Two: paras. 2-11
It summarizes the demand for location-aware technology due to wider application of VoIP and VoIP over Wi-Fi and E911 legislation and present deployment situation in the U. S..
Part Three: paras. 12-16
It compares different location-aware technologies and summarizes the approaches for Wi-Fi vendors, which are through – current access points, triangulation and RF fingerprinting.
Part Four: paras. 17-22
Location-aware presence will improve Wi-Fi security in a number of ways.
IV. Assignments:
a) background knowledge search for each lecture; b) preview work for each lecture; c) exercises after each lecture;
d) self-study of Text B and its exercises