Mobile
and wireless refers to the sum of all wire-free technologies, comprising licensed
and unlicensed technologies. The major licensed technologies are public cellular
technologies: GSM, CDMA and TDMA. Unlicensed technologies are for shorter range
networks, and include Wireless LAN, radio frequency (RF) and Bluetooth. Each of
these technologies has its specific characteristics, and its relevance varies
by application.
Wireless
presents daunting application development challenges-a proliferation of devices
with different capabilities and display formats, still evolving protocols, emerging
standards, new programming languages. It takes skilled, knowledgeable developers
who understand and appreciate the intricacies and complexities of advanced technology
and who can quickly master wireless application design and development.
