Lecture 7 – Wireless Technologies
Give examples of use of Wireless Systems Business Information Systems - Wireless Technologies
Use of Wireless systems TV Remote Automated Gate Cellphone Sound System Laptop Fan Headsets Cellular phone Business Information Systems - Wireless Technologies
Business Information Systems - Wireless Technologies Why Wireless Electromagnetic energy Can pass through a number of objects Space, Air, Solid Objects Can work while in motion Has some resilience to weather elements Has different ranges Business Information Systems - Wireless Technologies
Business Information Systems - Wireless Technologies
Business Information Systems - Wireless Technologies What does it use Electromagnetic Spectrum Following are examples of the waves used Radio waves (e.g., Automated gate, can penetrate walls, glass and other material Microwaves (e.g., Cellular phones, can carry more data on it, works well with line of sight) Infra-red light (e.g., TV remote, need direct line of site) Laser (e.g., Dental surgery, Destructing opponents in sport) Business Information Systems - Wireless Technologies
Different Kinds of Wireless Technologies Bluetooth Range: 10m Low Cost Unsecure State and explain the applications Business Information Systems - Wireless Technologies
Different Kinds of Wireless Technologies Wi-Fi Range of 100m Low cost State and explain the applications Business Information Systems - Wireless Technologies
What affects a Wifi router manufacturer the specific protocol it runs (802.11) the strength of its device transmitter the nature of physical obstructions and/or radio interference in the surrounding area Business Information Systems - Wireless Technologies
Different Kinds of Wireless Technologies WiMAX Range of 50Km Costly to deploy State and explain the applications? Business Information Systems - Wireless Technologies
Different Kinds of Wireless Technologies GSM (Global System for Mobile Communication) vs CDMA (Code Division Multiple Access) Comparable 80% - 20% between the two in world adoption 3G vs 4G LTE (Long Term Evolution) The future standard and being adopted for 4G by most technologies Business Information Systems - Wireless Technologies
Business Information Systems - Wireless Technologies How much Bandwidth? Kbps 2000 384 144 128 64 32 9.6 Business Information Systems - Wireless Technologies
WIRELESS ACCESS NETWORK ROADMAP
Business Information Systems - Wireless Technologies Discussion point Emerging technologies include wearable devices: What are wearable devices What is their use What is their significance What is their future Reference reading: http://venturebeat.com/2014/03/06/4-kickstarter-projects-taking-on-tech-giants-in-the-wearables-industry/ Business Information Systems - Wireless Technologies
Business Information Systems - Wireless Technologies Discussion Point List some useful mobile apps by industry/profession. What real value are these apps providing. Business Information Systems - Wireless Technologies
Business Information Systems - Wireless Technologies Reading Assignment Kindly read the following article CDMA vs. GSM: What's the Difference? By Sascha Segan, PC Magazine August 22, 2012 (http://www.pcmag.com/article2/0,2817,2407896,00.asp) Business Information Systems - Wireless Technologies