Harish G
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Unit 1 Memory

Unit 1 Purpose Of Embedded Systems(Cont..), The Typical Embedded system-Core of the Embedded System

Unit 1 Classification Of Embedded Systems (Cont..), Applications and Purpose of Embedded Systems

Unit 1 Embedded System - Definition, History Of Embedded System, Classification of Embedded Systems

Unit-6 Architecture of 3G Cellular Systems, Features of 3G Cellular Systems

Unit-6 Orthogonal Frequency Division Multiple Access(OFDMA),FDM,OFDM

Unit-6 GSM Services and Features, GSM vs CDMA

Unit-6 GSM Channels

Unit-6 GSM Architecture

Unit-4 Mobile Antennas, Roof Mounted Antenna, Glass Mounted Antenna, Mobile High gain antennas

Unit-4 Space diversity antennas, Umbrella pattern antennas, Minimum separation of cell site antennas

Unit-4 Omni directional antennas, Directional antennas for interference reduction

Unit-4 Sum and difference patterns and their synthesis

Unit-5 Dropped Call rates and Evaluation

Unit-5 - Mobile assigned handoff, Intersystem handoff, Vehicle locating methods

Unit-5 Concept of Handoff, Types of handoff, Handoff initiation, Delaying Handoff, Forced Handoff

Unit-3 Near and long distance propagation, Antenna height gain, Form of a point to point model

Unit-3 Phase difference between direct and reflected paths, Straight line path loss slope

Unit-3 - Signal reflections in flat and hilly terrain, Effect of human made structures

Unit-3 Fixed channel and Non-fixed channel assignment, Channel sharing and borrowing, Overlaid cells

Unit-3 Setup Channels,Access and Paging channels,Channel assignments to cell sites and mobile units

Unit-3 Frequency Management, Channel Assignment, Numbering and Grouping

Unit-1 Uniqueness of mobile environment, Operation of cellular systems,Components of Cellular system

Unit-2 Diversity Receiver,Non-cochannel interference-different types

Unit-2 Desired C/I from a normal case in a omni-directional Antenna system. Design of Antenna system

Unit-2 Real Time Co-Channel Interference, Co-Channel Interference Reduction Factor

unit-2 Types of Interference, Introduction to co-channel Interference

UNIT 1-Trunking,Blocking Grade of Service, Cellular structures, Cell splitting, Cell sectoring

Unit-1 Hexagonal Shaped Cells ,Analog and Digital Cellular Systems Evolution of Cellular Systems

Unit-1 Concept of Frequency Reuse, Frequency reuse ratio, Number of channels in a cellular system