slide1 n.
Download
Skip this Video
Download Presentation
Chapter4 Transmitter and Receiver Applications AM and FM Radios GSM and CDMA

Loading in 2 Seconds...

play fullscreen
1 / 19

Chapter4 Transmitter and Receiver Applications AM and FM Radios GSM and CDMA - PowerPoint PPT Presentation


  • 214 Views
  • Uploaded on

Chapter4 Transmitter and Receiver Applications AM and FM Radios GSM and CDMA TV Transmitters and Receivers Direct Broadcast Satellite ( DBS ) TV. Huseyin Bilgekul Eeng360 Communication Systems I Department of Electrical and Electronic Engineering Eastern Mediterranean University.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Chapter4 Transmitter and Receiver Applications AM and FM Radios GSM and CDMA' - arthur-england


Download Now An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
slide1

Chapter4

  • Transmitter and Receiver Applications
  • AM and FM Radios
  • GSM and CDMA
  • TV Transmitters and Receivers
  • Direct Broadcast Satellite (DBS) TV

Huseyin Bilgekul

Eeng360 Communication Systems I

Department of Electrical and Electronic Engineering

Eastern Mediterranean University

slide4

The GSM and CDMA networks.

MSC = mobile switching center; BST = base transceiver station;

BSC = base station controller.

slide6

GSM Mobile Phone

Transmitter

Receiver

slide7

CDMA Cell Phone

Mobile Phone Transmitter

slide14

DBS-TV footprint and rain regions

- 4 dB

- 6 dB

- 4 dB

- 2 dB

150o 120o 90o 60o 30o

slide15

DBS TV Uplink Transmitter

QPSK IF amplifier upconverter LPA HPA Multiplexer

modulator

M

MUX

17 GHz

uplink

antenna

~

~

Other RF

signals

RF LO

70 MHz LO

Digital

multiplexer

Reed-Soloman

encoder

Convolutional

encoder

MPEG-2

encoder

Interleaver

MPEG

2

R-S

Coder

Conv

Coder

ADC

MUX

I

Analog video

and audio

signals

Other digital

signals

slide16

DBS TV Receiver

12.2 – 12.7 GHz

DBS-TV signal

Image rejection

BPF

900 - 1400 MHz

IF amplifier

LNA

Mixer

Low noise

block converter

mounted on

antenna feed

Coaxial cable

to set top

receiver

Local oscillator

11.3 GHz

Ku-band

antenna

900 - 1400 MHz

IF amplifier

70 MHz

IF amplifier

QPSK

demod

Baseband

amplifier

Mixer

D

Tuned BPF

input

Select

polarization

Tuned LO

Select

transponder

Frequency

synthesizer

Microprocessor

Video

Inner

decoder

Outer

decoder

MPEG-2

decoder

Demux

DI

D/A

Audio

Analog output

to TV set

Deinterleaver

slide17

DBS TV Receiver Front End

Image rejection

BPF

Mixer

LO

11.3 GHz

Ku-band

antenna

LNA

900 - 1400 MHz

IF amplifier

LNB mounted

on antenna feed

Coaxial cable

to set top

receiver

Select

polarization

slide18

DBS TV Receiver IF Section

Coaxial cable from

antenna and LNB

Baseband

amplifier

900 - 1400 MHz

IF amplifier

70 MHz

IF amplifier

QPSK

demod

Mixer

D

in

Tuned BPF

F

P

to select

transponder

Frequency

synthesizer

Tuned LO

Microprocessor

slide19

DBS TV Receiver Baseband Processing

Deinterleaver

bits

CD

DI

R-SD

Inner convolutional

decoder

Outer R-S

decoder

Video

DeMux

MPEG

D/A

Audio

Analog

outputs

Digital

demux

MPEG-2

decoder