Upload
knapjslippery
View
237
Download
0
Embed Size (px)
DESCRIPTION
mobile
Citation preview
1 Selected Topics in Telecommunication Engineering I
504460
8 2558 .
Wireless Communication
2
() (The cellular concept
and frequency planning )
: (Mobile radio propagation I: Large scale path loss )
: (Mobile radio propagation II: Multipath and small scale fading )
3
() (Modulation
techniques for mobile communications)
(Channel coding for Wireless communications)
(Introduction to Wireless networking)
(Introduction to some wireless communications standards)
4
T.S. Rappaport, Wireless Communications, 2nd
Edition, Pearson Education. 2002.
W.C.Y. Lee, Mobile Cellular Telecommunications, 2nd Edition, McGraw Hill, 1995.
Kamilo Feher, Wireless Digital Communications: Modulation and Spread Spectrum Applications, Prentice Hall, 2002.
5
6
? (voice) (data)
1. (information) voice data ()
2.
3.
7
120 kHz
3 A B
40 kHz
8
Mobile
Cellular phone(GSM/CDMA2000.1x) Portable
IEEE 802.11b (Wifi) IEEE 802.15.3 (UWB)
Fixed IEEE 802.16 (Wireless MAN WiMAX) WiMAX http://en.wikipedia.org/wiki/IEEE_802.16
9
!
!
!
!
!
WiMAX http://www.vcharkarn.com/varticle/17947
10
11
WiMAX (4G)!
!
!
!
http://www.vcharkarn.com/varticle/17947 http://www.nstda.or.th/nstda-knowledge/5818-wimax
12
FM radio 88 MHz TV Broadcast 200 MHz ( https://
broadcast.nbtc.go.th/data/academic/file/560500000007.pdf) GSM Phones (Global System for Mobile) 900 MHz GPS (Global Positioning System) 1.2 GHz PCS phones (Personal Communication Services) 1800
MHz Bluetooth 2.4 GHz WiFi 2.4 GHz
13
14
15
config Auto config
16
(2)
(Roaming)
17
(3)
(Roaming)
18
(4)
Wifi Bluetooth GSM
19
20
(2) (QoS)
21
22