1. Introduction Wireless Network
Politeknik Telkom 2008

2. comprehension Wireless Communication System : Radio frequency
Information transmission (video, voice, picture, data)
Limited by bandwidth
Interference

3. Anvantages of wireless
Mobility
Simple setup
Low cost
Scalability

4. Wireless Communication
Fixed services:
Bluetooth
WiFi
WIMAX
RFID
Mobile services:
Limited Mobility (Flexi)
Cellular (GSM, CDMA, 3G)

5. Type of Wireless Technology
Degree of mobility
Standing
Walking
Driving
User data rate 10
Mbps
IEEE a,d 1
100
HSDPA
IEEE e
WLAN (IEEE x)
GSM GPRS
DECT
EDGE
FlashOFDM (802.20)
Systems
beyond 3G
>2010
0.1
BlueTooth
UMTS
CDMA
EV-DO
EV-DV

6. IEEE IEEE (Institute of Electrical and Electronic Engineers) IEEE :
- discussion
- research
- development
for network technology

7. standart IEEE IEEE 802.8 Fiber Optic LAN & MAN (standart FDDI)
IEEE LAN/MAN security (VPN)
IEEE Wireless LAN (WiFi)
IEEE Wireless PAN (Personal Area Network)  bluetooth
IEEE Broadband Wireless Access (WiMax)

8. Content vs Bandwidth

9. Trade off Wireless Communication
Maximum bit rate
Minimum error
Minimum power
Minimum bandwidth
Maximum system utility
Minimum complexity
Minimum cost

10. Wireless Performance Range (coverage) Power (daya yang digunakan)
Mobility
Bandwidth
Data rate

11. Multiple Access Technology
FDMA
TDMA
CDMA

12. FDMA (FREQUENCY DIVISION MULTIPLE ACCESS)
advantages :
simple
Without network timing
Kekurangan :
Intermodulation noise
Low spectrum efficiency

13. FDMA

14. TDMA Kelebihan : Kekurangan : High spectrum efficiency
Without power control
Kekurangan :
Need synchronization

15. TDMA

16. CDMA Kelebihan : kekurangan : High spectrum efficiency High capacity
secure
kekurangan :
Need power control

17. CDMA

18. Perkembangan teknologi wireless