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Book Details

Cellular and Mobile Communications

Cellular and Mobile Communications

Published by uLektz

Course Code : ULZ0302
Author : uLektz
University : General for All University
Regulation : 2017
Categories : Electronics & Communication
Format : ico_bookePUB3 (DRM Protected)
Type : eBook

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Description :Cellular and Mobile Communications of ULZ0302 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT I CELLULAR MOBILE RADIO SYSTEMS

1.1 CELLULAR MOBILE RADIO SYSTEMS : Introduction to Cellular Mobile System, Performance criteria

1.2 Uniqueness of mobile radio environment, operation of cellular systems

1.3 Operation of cellular systems - Hexagonal shaped cells

1.4 Analog and Digital Cellular systems

UNIT II ELEMENTS OF CELLULAR RADIO SYSTEM DESIGN

2.1 ELEMENTS OF CELLULAR RADIO SYSTEM DESIGN : General description of the problem, concept of frequency channels, Co-channel Interference Reduction Factor

2.2 Desired C/I from a normal case in a omni directional Antenna system

2.3 Cell splitting, consideration of the components of Cellular system.

UNIT III INTERFERENCE

3.1 INTERFERENCE : Introduction to Co-Channel Interference, real time Co-Channel interference, Co-Channel measurement

3.2 Design of Antenna system, Antenna parameters and their effects, diversity receiver, non-cochannel interference-different types.

UNIT IV CELL COVERAGE FOR SIGNAL AND TRAFFIC

4.1 CELL COVERAGE FOR SIGNAL AND TRAFFIC : Signal reflections in flat and hilly terrain, effect of human made structures, phase difference between direct and reflected paths

4.2 Constant standard deviation, straight line path loss slope

4.3 General formula for mobile propagation over water and flat open area, near and long distance propagation antenna height gain

4.4 Form of a point to point model.

UNIT V - CELL SITE AND MOBILE ANTENNAS

5.1 Sum and difference patterns and their synthesis

5.2 Omni directional antennas, directional antennas for interference reduction, space diversity antennas

5.3 Umbrella pattern antennas, minimum separation of cell site antennas, high gain antennas

UNIT VI - FREQUENCY MANAGEMENT AND CHANNEL ASSIGNMENT

6.1 Numbering and grouping, setup access and paging channels channel assignments to cell sites and mobile units

6.2 Channel sharing and borrowing, sectorization, overlaid cells, non fixed channel assignment.

UNIT VII - HANDOFFS AND DROPPED CALLS

7.1 Handoff, dropped calls and cell splitting

7.2 Types of handoff, handoff invitation, delaying handoff, forced handoff, mobile assigned handoff. Intersystem handoff

7.3 Cell splitting, micro cells

7.4 Vehicle locating methods, dropped call rates and their evaluation

UNIT VIII - DIGITAL CELLULAR NETWORKS

8.1 GSM architecture, GSM channels

8.2 Multiplex access scheme , TDMA, CDMA

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