1. CELLULAR AND MOBILE COMMUNICATIONS
UNIT I CELLULAR MOBILE RADIO SYSTEMS : Introduction to Cellular Mobile System,
Performance criteria, uniqueness of mobile radio environment, operation of cellular
systems, Hexagonal shaped cells, Analog and Digital Cellular systems.
UNIT II ELEMENTS OF CELLULAR RADIO SYSTEM DESIGN : General description of
the problem, concept of frequency channels, Co-channel Interference Reduction Factor,
desired C/I from a normal case in a omni directional Antenna system, Cell splitting,
consideration of the components of Cellular system.
UNIT III Co-Channel Interference : Introduction to Co-Channel Interference, real
time Co-Channel interference, Co-Channel measurement, design of Antenna system,
Antenna parameters and their effects, diversity receiver.
UNIT IV Non-cochannel interference: Non-cochannel interference -different types,
measurement, design of Antenna system, Antenna parameters and their effects,
diversity receiver.
UNIT V 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, constant standard deviation, straight line path loss slope, general
formula for mobile propagation over water and flat open area, near and long
distance propagation antenna height gain, form of a point to point model.
UNIT VI CELL SITE AND MOBILE ANTENNAS : Sum and difference patterns and their
synthesis, omni directional antennas, directional antennas for interference reduction,
space diversity antennas, umbrella pattern antennas, minimum separation of cell site
antennas, high gain antennas.
UNIT VII FREQUENCY MANAGEMENT AND CHANNEL ASSIGNMENT : Numbering
and grouping, setup access and paging channels channel assignments to cell sites and
mobile units, channel sharing and borrowing, sectorization, overlaid cells, non fixed
channel assignment.
UNIT VIII Handoff, dropped calls and cell splitting, types of handoff, handoff invitation,
delaying handoff, forced handoff, mobile assigned handoff. Intersystem handoff, cell
splitting, micro cells, vehicle locating methods, dropped call rates and their evaluation.
TEXTBOOKS :
1. Mobile Cellular Telecommunications – W.C.Y. Lee, Tata McGraw Hill, 2rd Edn., 2006.
2. Principles of Mobile Communications – Gordon L. Stuber, Springer International 2nd
Edition, 2007.
REFERENCES :
1. Wireless Communications - Theodore. S. Rapport, Pearson education, 2nd Edn., 2002.
2. Wireless and Mobile Communications – Lee McGraw Hills, 3rd Edition, 2006.
3. Wireless Communication and Networking – Jon W. Mark and Weihua Zhqung, PHI,
2005.
4. Wireless Communication Technology – R. Blake, Thompson Asia Pvt. Ltd., 2004.

2. B. LESSON PLAN
Subject Cellular and Mobile Communications
Faculty Mrs. Swetha Annangi
Text Books (to be purchased by the Students)
Mobile Cellular Telecommunications – W.C.Y. Lee, Tata McGraw Hill,
Book 1
2rd Edn., 2006.
Principles of Mobile Communications – Gordon L. Stuber, Springer
Book 2
International 2nd Edition, 2007.
Reference Books
Wireless Communications - Theodore. S. Rapport, Pearson education,
Book 3
2nd Edn., 2002.
Wireless and Mobile Communications – Lee McGraw Hills, 3rd Edition,
Book 4
2006.
Wireless Communication and Networking – Jon W. Mark and Weihua
Book 5
Zhqung, PHI, 2005.
Book 6 Wireless Communication Technology – R. Blake, Thompson Asia Pvt.
Ltd., 2004.
Chapters Nos No of
Unit Topic Book Book Book Book Book Book class
1 2 3 4 5 6 es
Cellular mobile radio
I 1 1 07
systems
Elements of cellular
II 2 3 07
radio system design
Co-Channel
III 6 8 09
Interference
Non Co-Channel
IV 7 8 08
Interference
Cell coverage for
V 5 06
signal and traffic
Cell Site and Mobile
VI 8 06
Antennas
Frequency
VII Management and 10 11 07
Channel Assignment
VIII Handoff 11 12 06
Contact classes for syllabus coverage 56
Lectures beyond syllabus 3
Special Descriptive Tests 2
Tutorial classes 3
Remedial classes 2
Total No. of classes 66

3. C. ASSIGNMENT PROBLEMS
QUESTIONS
UNIT-I
1 Explain the operation of cellular systems
2 Discuss Analog and digital cellular system
3 Describe the mobile radio transmission medium
4 Discuss Analog cellular system
5 Explain Basic Cellular System with a neat block diagram.
6 Discuss the performance criteria of Basic Cellular System.
7 Discuss the limitations of conventional mobile telephone system
Discuss the three categories for specifying the performance criteria of a cellular system.
8
UNIT-II
1 Derive the C/I from a Normal case in an Omni directional Antenna system.
2 Explain two kinds of cell splitting techniques with neat sketches.
Draw the general view of cellular telecommunication and explain the function of
3
each component.
4 Distinguish between Permanent Splitting and Dynamic Splitting.
Explain the Concept of frequency Reuse channels and mention the two schemes
5
of frequency reuse.
Explain Co-channel interference reduction factor and derive the general formula
6
for C/I.
7 Derive the C/I in an Omni directional Antenna system.
What is cell splitting? Explain the two kinds of cell splitting techniques.
8
UNIT-III
Prove that K = 7 cell pattern does not provide a sufficient frequency reuse
1
dstance even when an ideal condition of flat terrain is assumed.
Explain how Co-channel interference in measured in real time mobile radio
2
Trans receivers.
Discuss the various techniques to measure the co-channel interferences
3
Distinguish between two types of Interferences.
4
UNIT-IV
Distinguish between Co-channel interference and Non Co-channel interference.
1
Explain the two methods of Diversity with a neat block diagrams.
2
Explain the effects of cell site Antenna heights.
3
4 Explain the different types of Non-Co-channel interferences.
UNIT-V
Derive the relation for received power in when the wave is propagating over
1
water or flat open area between two fixed stations.
Write short notes on “Mobile to Mobile Propagation”.
2

4. Explain the effects of cell site Antennae heights.
3
State the Merit of point-point model and Give the general formulae of Lee’s
4 point- to – point model.
Discuss the Mobile point to point Model (Lee Model).
5
The distance between two fixed stations (i) 40 km. the effective height at one end h1
(ii) 100 m above sea level. Find the height h2 at the end under the two conditions.
6 i) Pr < Po at 850 MHz transmission
ii) Pr > Po and find the maximum received power Pr for Pr = 4 Po.
UNIT-VI
What are the different synthesis of sum pattern? Explain them briefly.
1
What are the antennas used at cellsite
2
Draw the symmetrical difference pattern and compare it with symmetrical sum pattern.
3
Draw the cell site antenna for omni cells for 45 and 90 channels and explain them.
4
Draw the setup for space diversity antennas used at cell site and explain how to design
5
it.
Explain the synthesis of difference patterns.
6
UNIT-VII
What type of messages are received to the set up channels when the mobile unit
1 monitors strongest signal strength?
What are the advantages of Reuse-partition scheme?
2
What is channel sharing and channel borrowing?
3
What are the different techniques for increasing frequency spectrum?
4
Compare the average blocking in spatially uniform and nonuniform traffic distribution
5
for FCA, BCA and FBCA.
What is the function of frequency management?
6
UNIT-VIII
What are the different types of handoffs? Explain how to implement them?
1
Define a dropped call rate and explain how it differ from blocked call?
2
Explain how the handoffs implemented based on signal strength?
3
How the dropped call rate is related to the capacity and voice quality.
4
What are the different factors that limit the size of splitting cells?
5
Explain the following terms:
(a) Mobile Assisted Handoff
(b) Soft Handoff
6
(c) Delaying Handoff
(d) Cellsite Handoff