1. by Ya Bao http://eent3.sbu.ac.uk/staff/baoyb/wcs1 Wireless Communications 1). Wireless Communication Technology 2). Cellular System Design Fundamental * (0G-5G) 3). WiMAX, 4). Wireless LANs (WiFi) 5). Bluetooth 6). Satellite (GPS)

2. Reading list William Stallings, Wireless Communications and Networks 2/e. 2005. Prentice Hall. T.S. Rappaport. Wireless Communications. 2/e. 2002. Prentice Hall. Official websites of 3GPP, WiMAX, LTE, WiFi, Bluetooth, IEEE, etc. by Ya Bao http://eent3.sbu.ac.uk/staff/baoyb/wcs2

3. by Ya Bao http://eent3.sbu.ac.uk/staff/baoyb/acs3 Wireless Comes of Age Guglielmo Marconi invented the wireless telegraph in 1896 –Communication by encoding alphanumeric characters in analog signal –Sent telegraphic signals across the Atlantic Ocean Communications satellites launched in 1960s Advances in wireless technology –Radio, television, mobile telephone, communication satellites More recently –Satellite communications, wireless networking, cellular technology, WPAN, WLAN, WMAN and WWAN

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5. by Ya Bao http://eent3.sbu.ac.uk/staff/baoyb/wcs5 Broadband Wireless Technology Higher data rates obtainable with broadband wireless technology –Graphics, video, audio, HD, 3D Shares same advantages of all wireless services: convenience and reduced cost –Service can be deployed faster than fixed service –No cost of cable plant –Service is mobile, deployed almost anywhere

6. by Ya Bao http://eent3.sbu.ac.uk/staff/baoyb/acs6 Introduction to wireless telephone systems Early Mobile Telephone System Architecture (after WWII)—0G powerful transmitter Single central antenna and coverage (radius 50km) High power consumption of mobile station

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8. Mobile Telephone Service(MTS) by Ya Bao http://eent3.sbu.ac.uk/staff/baoyb/acs8  1947 AT&T  5,000 customers placing about 30 000 calls each week  Equipment weighed about 36 kg  1965 Improved Mobile Telephone Service  40 000 customers  In New York, 2 000 customers shared just 12 radio channels  Wait 30 minutes to place a call

9. by Ya Bao http://eent3.sbu.ac.uk/staff/baoyb/acs 9 Cellular: The world first automatic analogue cellular system was implemented by the Nippon Telephone and Telegraph company (NTT) in Japan in 1979. The cellular standards for each of the countries is as follows: NMT (Nordic Mobile Telephone), used in Nordic countries, Switzerland, Netherlands, Eastern Europe and Russia. 1981 U.S: AMPS (Advanced Mobile Phone System) 1983 TACS (Total Access Communications System) in the United Kingdom, 1985 C-450 West Germany, Portugal and South Africa, Radiocom 2000 France, RTMI, Italy Multiple systems in Japan

10. by Ya Bao http://eent3.sbu.ac.uk/staff/baoyb/acs 10 Cellular concept developed by Bell Laboratory provides the wireless communications to an entire population. Cellular telephone system has developed from 1st generation: analog 2nd generation: digital communications GSM 3rd generation: IMT-2000, (UMTS and CDMA2000). 4th generation: LTE and Wimax