PREAMBLE PREAMBLE OFOF

WIRELESSWIRELESS COMMUNICATIONCOMMUNICATION

INDEXINDEX

• PREAMBLE STRUCTURE• HOLLISTIC FIX• KEY CONCEPT• KEY RESEARCH AREA• KEY APPLICATION• INDUSTRIAL APPLICATION• RESEARCH• HOW WE STUDY• KEY JOBS• PROJECTS ONE CAN DO• TRENDS

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PREMBLE STRUCTUREPREMBLE STRUCTURE

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1. NAME OF THE INSTRUCTOR- R.N.Singh

2. CABIN LOCATION-209B,BMAS

3. TELEPHONENO-+91-9457465325

4. EMAIL-ID-rns_30@yahoo.co.in5. MEETING HOURS– Faculty should provide 1 hour on all week days

preferably between extended lunch break.

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HOLLISTIC FIX OF WIRELESS HOLLISTIC FIX OF WIRELESS COMMUNICATIONCOMMUNICATION

PREREQUISITES Basic Knowledge of Logarithms (Before 12th

standard)

(12th standard)

• Basic Knowledge of Calculus & Trigonometry.

• Usage of Wave Propagation.

• Knowledge of Signals and their characteristics.

HOLLISTIC FIX………CONTINUEDHOLLISTIC FIX………CONTINUED

PRE REQUISTES(4th Semester)

Basics of Signal & System.

Different Types of Signals

• Unit Impulse signal• Gaussian Signal• Unit Step signal

Different Transform Techniques• Fourier Transform• Laplace Transform

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HOLLISTIC FIX OF WC………CONTINUEDHOLLISTIC FIX OF WC………CONTINUED

ADVANCE COURSE (6th-7th SEM)

• Digital Signal Processing• Antenna & wave Propagation• Digital communication• Satellite Communication• Radar & Navigation• Telecommunication Switching

(8th SEM)

Data & Communication Networks

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SCOPE IN RELATED FIELDS…

• Mobile Communication• Wireless Technologies• Mobile computing• Aerospace• Satellite communication• Wireless Networking• Radar & Navigation

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HOLLISTIC FIX OF WC………CONTINUEDHOLLISTIC FIX OF WC………CONTINUED

Schematic Diagram of WC

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KEY CONCEPTS RELATED TO WCKEY CONCEPTS RELATED TO WC

FREQUENCY BAND IN COMMUNICATIONFREQUENCY BAND IN COMMUNICATION

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CONCEPT OF GLOBAL SYSTEM FOR MOBILE

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CONCEPT OF CELL

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PROPAGATION

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DIVERSITY TECHNIQUES

SCANNING DIVERSITYSPACE DIVERSITY

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SPEECH CODING

• The cavities of the throat and mouth act as a resonance filter

• The vocal folds determine the air-flow from the lungs

Speech Generation Model

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MODULATION TECHNIQUES

Frequency shift keying

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MULTIPLE ACCESS TECHNIQUES

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FREQUENCY REUSE

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3G SYSTEMS

KEY RESEARCH AREA OF WIRELESS COMMUNICATION

Research areas in cluster of WC:

• 4G Technologies (Always best connected)

• Fast Multiple Access more than the speed of light.

• Performance of MIMO (Multiple input multiple output) diversity techniques.

• Performance of Space time block codes on Fading channels

• Utilization of Opto Switch in switching techniques.

• OFDM (Optical Frequency Division Multiple).

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PRIVATE SECTOR  Tata Indicom Ltd www.tataindicom.com Alcatel Lucent.www.alcatel-lucent.in NSNwww.nokiasiemensnetworks.com

Reliance Communications www.relianceinfo.com Bharti Airtelwww.airtel.in

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Bharat Sanchar Nigam Limited.www.bsnl.co.in

Indian Telephone Industries Ltd.www.iti.com

Videsh Sanchar Nigam Ltd.www.vsnl.com

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Tutorial Plan Handouts + LAN Server

Reference Sources Handouts + LAN Server

Lecture Plan Handouts + LAN Server

Individual Assignments LAN Server

Group Assignments Handouts + LAN Server

UPTU Paper Mapping LAN Server

I Google Will be shared by individual Gmail Ids

• Remote controlled home Appliances using GSM Technologies• RAKE Receiver• Space Time block codes• Wireless Token display• Wireless Based Surveillance• Wireless Video Transmitter• Wireless RF Based Heart Beat Counter• Jamming free Receiver

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PROJECTS IN WIRELESS COMMUNICATION

March 10, 1876- Telephone by Graham Bell

G. Marconi invented Wireless communication in 1897

1960- Character coding in the form of 8bit character

1967- Voice Digitization technique- PCM

1969-Caterphone

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TRENDS IN WC

1974- Data phone Digital Services

1980-Dial Modem Technology (FAX)

1984-Client Server Architectures

1990’s- VPN

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Till date- Broadband ISDN, Cell based transmission, Satellite & GPS, VOIP, Video Conferencing, Live TV

Future Trends- High Speed communication across the galaxies

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THANK YOU

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