nptel syllabus

7/29/2019 NPTEL Syllabus

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NPTEL Syllabus

Optical networks and Switching systems -Video course

COURSE OUTLINE

A course on Optical Networks includes aspects of algorithms related toconnectivity and packet switching and queuing.

The course is intended for UG final year students of communications andM.Tech. and PhD students intending to work in the area ofECE/Photonics/Optoelectronics.

COURSE DETAIL

Sl. No. Lecture Topic No.ofLectures

1. Optical communications - Basics of

i. Sources.

ii. Transmitters.

iii. Modulators.

iv. Optical fiber.

v. Photodetectors, and

vi. Receivers.

2

2. Switching in networks.

i. Circuit switched.

ii. Packet switched.

iii. Cell switched.

iv. Virtual circuit switched.

v. Burst switched (fast circuit switched).

2

3. Transmission/

i. Asynchronous.

ii. Synchronous.

1

4. Layering in packet switched networks.

i. Motivation.

ii. Commonly used abstraction,

a. Physical layer.

2

NPTELhttp://nptel.iitm.ac.in

Electronics &Communication

Engineering

Pre-requisites:

1. Optical Communications.

2. Digital Communication Networks.

Coordinators:

Prof. Yatindra N SinghDepartment of ElectricalEngineeringIIT Kanpur


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b. Data link layer.

c. Network layer.

d. Transport layer.

e. Application layer.

5. Layering in circuit switched networks.

i. Physical layer.

ii. Multiplexing standards.

iii. Signalling - CAS, CCS.

iv. SS7 concept.

3

6. Data plane, management plane, control plane - concept. 1

7. First generation networks.

i. SDH/SONET.

ii. Computer interconnections - ESCON, FiberChannel, HIPPI.

iii. FDDI.

iv. ATM.

v. DQDB.

2

8. Components - description.

i. Mode locked laser (for ps pulses).

ii. Tunable filters.

iii. Multiplexers.

iv. Demultiplexers.

v. Tunable wavelength convertors.

vi. Optical amplifiers.

a. Fiber - EDFA.

b. SOA.

vii. Tunable transmitters.

viii . Tunable receivers.

ix. Dispersion compensating fibers.

3

9. Multiplexing techniques.

i. SDM.

ii. TDMA.

iii . WDMA (OFDMA).

a. DWDM.

b. SCM.

2


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iv. CDMA.

10. Protocols for single channel broadcast networks.

i. ALOHA, CSMA/CD.

ii. Problems with CSMA/CD.

iii . Definition of high speed network.

2

11. Classification of multiple access methods.

i. Random access.

ii. Reserved acces.

iii . Scheduled access.

2

12. Multichannel multiple access protocols.

i. Desirable charactersticks of protocol.

a. Scalability.

b. Fairness.

ii. TTTR.

iii. TTFR.

iv. FTTR.

v. FTFR.

vi. Problem of wavelength stabili ty.

3

13. Multihop WDM network.

i. Shufflenet.

ii. MSN.

2

14. Wavelength routed networks.

i. Mesh.

ii. Ring-Traffic grooming problem.

3

15. IP over Optical framework.

i. ASON.

ii. MPS.

2

16. Burst switched network (bufferless networks) . 1

17. All-optical circuit switches. 1

18. All-optical packet switches.

i. Broadcast and select.

3


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ii. Wavelength routed.

iii . Space switch based.

iv. Discussion on various switch architectures.

v. Packet buffering techniques.

a. Travelling type.

b. Recirculating type.

19. Protection and restoration.

i. Restoration mechanism.

ii. Restoration timing issues.

iii . Path protection.

iv. Span protection.

v. P-cycles.

2

Total 39

References:

1. WDM Networks: Biswanath Mukherjee.

2. Optical Networks - A Practical Perspective: Rajiv Ramaswamy & KumarSivarajan.

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