Kenneth C. Laudon,Jane P. Laudon Management Information System 12th Edition pdf

4G networks

, is

entirely packet switched and capable of 100 Mbps transmission speed (which

can reach 1 Gbps under optimal conditions), with premium quality and high

security. Voice, data, and high-quality streaming video will be available to users

anywhere, anytime. Pre-4G technologies currently include Long Term

Evolution (LTE) and the mobile WiMax. (See the discussion of WiMax in the fol-

lowing section.) You can find out more about cellular generations in the

Learning Tracks for this chapter.

WIRELESS COMPUTER NETWORKS AND INTERNET

ACCESS

If you have a laptop computer, you might be able to use it to access the

Internet as you move from room to room in your dorm, or table to table in

your university library. An array of technologies provide high-speed wireless

access to the Internet for PCs and other wireless handheld devices as well as

for cell phones. These new high-speed services have extended Internet access

to numerous locations that could not be covered by traditional wired Internet

services.

B l u e t o o t h

Bluetooth

is the popular name for the 802.15 wireless networking standard,

which is useful for creating small