CELLULAR AND MOBILE COMMUNICATIONS Notes (CMC)

CELLULAR AND MOBILE COMMUNICATIONS  Notes

CELLULAR AND MOBILE COMMUNICATIONS Notes – CMC Notes – CMC Pdf Notes

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Unit I :

Introduction To Cellular Mobile Radio Systems: Limitations of conventional mobile telephone systems. Basic Cellular Mobile System. First. second. third and fourth generation cellular wireless systems. Uniqueness of mobile radio environment-Long term fading. Factors influencing short term fading. Parameters of mobile multipath fading-Time dispersion parameters. Coherence bandwidth. Doppler spread and coherence time. Types of small scale fading.

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Unit II :

Fundamentals Of Cellular Radio System Design: Concept of frequency rettse. Co-channel interference. Co-channel Interference reduction factor. Desired C/I from a normal case in a omni directional antenna system. system capacity. Trunking and grade of service. Improving coverage and capacity in cellular systems- Cell splitting. Sectoring. Mictocell zone concept.

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Unit III :

Co-Channel Interference : Measurement of real time Co-Channel interference. Design of antenna system. Antenna parameters and their effects. Diversity techniques-Space diversity. Polarization diversity. Frequency diversity. Time diversity. .’

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Unit-IV :

Non-Co-Channel Interference l Adjacent channel interference. Near end far end interference. Cross talk. I Effects on coverage and interference by power decrease. Antenna height decrease. Effects of cell site components. UHF TV interference.

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Unit V :

Cell Coverage for Signal and traffic Signal reflections in tlat 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 mohile propagation over water and flat open area. Near and long distance propagation. Path loss from a point to point prediction model in different conditions. merits of Lee model .

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Unit Vl :

Cell Site and Mobile Antennas Sum and difference patterns and their synthesis. Coverage-omni directional antennas. Interference reduction— directional antennas for interference reduction. Space diversity antennas. Umbrella pattern antennas. and Minimum separation of cell site antennas. mobile antennas.

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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.

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Unit-VIII :

Handoffs and Dropped Calls Handoff initiation, Types of handoffs. Delaying ltandoff. Advantages of handoff. Potter difference handoffs. Forced handoff. Mobile assisted and soft hancloff. lntersystem handoff. Introduction to dropped call rates and their evaluation.

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TEXTBOOKS: CELLULAR AND MOBILE COMMUNICATIONS Notes – CMC Notes – CMC Pdf Notes

1.Mobile Cellular Teiocommunications – W.C.Y. Lee. Mc Graw Hill. 2“ Edn.. I989.

2.Wireless Communications – Theodore. S. Rapport. Pearson education. 2″“ Edn..2002.

REFERENCES: CELLULAR AND MOBILE COMMUNICATIONS Notes – CMC Notes – CMC Pdf Notes

  1. Principles of Mobile Communications — Gordon L. Stuber. Springer International. 2“ Edn.. 2Q0l.
  2. Modern Wireless Communications-Simon l-laykin. Michael .VIoher.Pearson Eduction. 2005.
  3. Wireless communications theory and techniques. Asrar U. H .Sheikh. Springer. 2004. ,
  4. Wireless Communications and Networking. Vijay Garg. Elsevier Publications. 2007.
  5. Wireless Communications -Andrea Goldsmith. Cambridge University Press.

Note :- These notes are according to the r09 Syllabus book of JNTUH.In R13 ,8-units of R09 syllabus are combined into 5-units in r13 syllabus.Click here to check all the JNTU Syllabus books 

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