WITH EFFECT FROM THE ACADEMIC YEAR 2016 - 2017

CM 306

DATA COMMUNICATIONS

UNIT-I

Introduction: Communication model, Data Communication networking, Protocols and Architecture, Standards.

Data Transmission: Concepts and terminology, Analog and Digital Transmission, Transmission Impairments, Transmission media.

Data Encoding: Digital Data Digital Signals, Digital Data-Analog Signals, Analog Data-Digital Signals, Analog Data-Analog Signals.

UNIT-II

Data Communication Interface: Asynchronous and Synchronous Transmission, Line Configuration, Interfacing.

Data Link Controls: Flow Control, Error Detection, Error Control, HDLC, other Data link Control protocols, performance issues.

UNIT-III

Multiplexing: Frequency Division Multiplexing, Synchronous time - Division Multiplexing, Statistical Time – Division Multiplexing. Asymmetric Digital Subscriber line, xDSL. Circuit Switching, Packet Switching & Frame Relay. ATM Architecture, Logical Connection, ATM Cells, Transmission of ATM cells.

UNIT-IV

Traditional Ethernet: Topologies and Transmission Media, LAN protocol architecture, MAC sub layer, - CSMA/CD, Physical Layer, Implementation, Bridged, switched and full duplex Ethernets, Layer 2 and Layer 3 Switches. Fast Ethernet: MAC sublayer, Physical sublayer, Implementation.

Gigabit Ethernet: MAC sublayer, Physical Layer, Implementation.

UNIT -V

Cellular Wireless Networks: Principles of Cellular Networks, First Generation Analog Second Generation CDMA, Third Generation Systems.

Wireless LANs: Overview, Wireless LAN Technology, IEEE 802.11. Architecture and services, IEEE 802.11 Medium Access Control, IEEE 802.11 Physical Layer.

Bluetooth: Architecture, Layers.

Suggested Reading:

1. 7.William Stallings, Data and Computer communication, 7th edition. Pearson Education, Asia-2004.

1. 8.Behrouz A. Forouzan, Data Communications and Networking, 4th Edition, Tata McGraw Hill, 2006.

1. 9.Fred Halsall, Data Communications, Computer Networks and Open Systems, 4th Edition, Pearson Education, 2000.