Lecture 1: Introduction. Professor Honggang Wang. http://www.faculty.umassd.edu/honggang.wang/teaching.html Email:[email protected] Outline. Reasons to take this class Syllabus Course goals Introduction Survey. Three Reasons to Take This Class.
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Lecture 1: Introduction
Professor Honggang Wang.
(e.g., protocol design, wireless and mobile device development)
“People and their machines should be able toaccess information and communicate with each othereasily and securely, in any medium or combination ofmedia – voice, data, image, video, or multimedia – anytime, anywhere, in a timely, cost-effective way.”
Dr. G. H. Heilmeier, Oct 1992
. . . -> PCs -> laptop -> PDAs/smart phones -> embeddedcomputers/sensors
No clear separation between device types possible
(e.g. smart phones, embedded PCs, …)
UMTS Rel. 5
GSM 53 kbit/s
Bluetooth 500 kbit/s
GSM/EDGE 135 kbit/s,
WLAN 780 kbit/s
UMTS Rel. 6
GSM 115 kbit/s,
WLAN 11 Mbit/s
Traditional ECG system
Wireless ECG system
Software GUI interface
Wireless ECG medical sensor
GSM/UMTS, cdmaOne/cdma2000,WLAN, GPS
DAB, TETRA, ...
Often we need to implement a function across multiple layers.