LESSON PLAN. LP-EC1451 LP Rev. No: 02 Sub Code & Name : EC1451 MOBILE COMMUNICATIONS Date: 05/12/2009. Unit: I Branch: EC Semester: VIII Page 01 of 06
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1 Unit: I Branch: EC Semester: VIII Page 01 of 06 Unit I Syllabus: Cellular Concept and System Design Fundamentals: Introduction to wireless communication: Evolution of mobile communications, mobile radio systems- Examples, trends in cellular radio and personal communications. Cellular Concept: Frequency reuse, channel assignment, hand off, Interference and system capacity, tracking and grade of service, Improving Coverage and capacity in Cellular systems. At the end of this unit, students are expected to be familiar with 1. Cellular radio system concept, Frequency reuse concept and handoff principles. 2. Techniques for improving Coverage and Capacity. 3. The principles of trunking and Calculation of grade of Service. 1 Introduction to Mobile Communication and Overall View of the Syllabus and Lesson Plan 2 Introduction to Wireless Communication: Evolution of Mobile communications (P.No: 1 To 3 of TB-1), Mobile Radio- The First 100 Years (P.No: 1 To 6 of RB-3), Historical Overview (P.No: 366 To 373 of RB-2) 3 Mobile Radio Systems-Examples Mobile Radio Telephony in the US (P.No: 4 To 6 of T1), Examples & Comparisons of Wireless Communication Systems (P.No: 4 To 19 of T1), Cellular Network Planning (P.No: 6 To 17 of R3) 4 Trends in Cellular Radio and Personal Communication: How a cellular telephone call is made (P.No: 20 To 21 of T1) Commercial Vs. Military Uses (P.No: 17 To 19 of R3) 5 Cellular Concept: Frequency Reuse (P.No:58 To 61 of T1), Frequency Reuse Factor (P.No:319To320 of R3), Channel Assignment (P.No:62 of T1) 6 Hand off Strategies, Prioritizing Handoff & Practical Handoff Considerations (P.No: 62 To 67 of T1), Break Before Make & Make Before Break (P.No: 619 To 622 of R3) 7 Interference and System Capacity (P.No: 67 To 77 of T1) Co-channel Interference and System Capacity, (P.No: 422 To 423 of R3) Adjacent Channel Interference, Channel Planning for Wireless Systems and Power Control Management 8 Trunking and Grade of Service (P.No: 77 To 86 of T1) 9 Improving Coverage and Capacity in Cellular systems-cell Splitting, Sectoring, Repeaters, Micro-cell Zone Concept (P.No: 86 To 96 of T1)
2 Unit: II Branch: EC Semester: VIII Page 02 of 06 UNIT II SYLLABUS MOBILE RADIO PROPAGATION Free space propagation model, reflection, diffraction, scattering, link budget design, Outdoor Propagation models, Indoor propagation models, Small scale Multipath propagation, Impulse model, Small scale Multipath measurements, parameters of Mobile multipath channels, types of small scale fading, statistical models for multipath fading channels. From this unit the students will know about the 1. Radio propagation models 2. Prediction of the large scale effects of radio propagation in many operating environment. 3. Small propagation effects such as fading, time delay spread and Doppler spread. 10 Introduction to Radio Wave Propagation (P.No: 105 To 106 of T1) Free Space Propagation Model (P.No: 107 To 110 of T1), (P.No: 221 To 230 of R2) 11 Reflection: Reflection from Dielectrics, Brewster Angle, Reflection from Perfect Conductors (P.No: 114 To 120 of T1) Diffraction: Fresnel Zone Geometry, Knife Edge Diffraction Model, Multiple Knife Edge Diffraction Model (P.No: 126 To 135 of T1) Scattering: Radar Cross Section Model (P.No: 135 To 138 of T1) 12 Link budget design: Log Distance Path Loss Model, Log Normal Shadowing, Determination of Percentage Coverage Area (P.No: 138 To 144 of T1) Outdoor Propagation Model: Longley Rice Model, Durkin s Model, Okumura Model, Hata Model, PCS Extension to Hata Model, Walfisch & Bertoni Model, Wideband PCS Micro Cell Model (P.No: 157 To 166 of T1) 13 Indoor propagation models: Partition Losses-Same Floor, Between Floors, Log Distance Path Loss Model, Ericsson Multiple Break Point Model, Attenuation Factor Model (P.No: 157 To 166 of T1) 14 Small Scale Multipath propagation: Factors Influencing Small Scale Fading Doppler Shift, Fading Effects Due to Doppler Spread (P.No: 177 To 180 of T1) (P.No: 233 To 239 of R2) 15 Impulse Model of a Multipath channel: Relationship Between Bandwidth and Received Power (P.No: 181 To 191 of T1) 16 Small Scale Multipath Measurements: Direct RF Pulse System, Spread Spectrum Sliding Correlator Channel Sounding, Frequency Domain Channel Sounding (P.No: 192 To 197 of T1) 17 Parameters of Mobile Multipath Channels: Time Dispersion Parameters, Coherence Bandwidth, Doppler Spread & Coherence Time (P.No: 197 To 204 of T1) Types of Small Scale Fading: Fading Effects Due to Multipath Time Delay Spread (P.No: 205 To 210 of T1) 18 Statistical Models for Multipath Fading Channels: Clarke s Model for Flat Fading, Simulation of Clarke& Gans Fading Model, Level Crossing & Fading Statistics, Two-ray Rayleigh Fading Model, Saleh & Valenzuela Indoor Statistical Model, SIRCIM & SMRCIM Indoor & Out door Statistical Model (P.No: 214 To 229 of T1) CAT-I
3 Unit: III Branch: EC Semester: VIII Page 03 of 06 UNIT III Syllabus: MODULATION TECHNIQUES AND EQUALIZATION Modulation Techniques: Minimum Shift Keying, Gauss ion MSK, M-ary QAM, M-ary FSK, Orthogonal Frequency Division Multiplexing, Performance of Digital Modulation in Slow-Flat Fading Channels and Frequency Selective Mobile Channels. Equalization: Survey of Equalization Techniques, Linear Equalization, Non-linear Equalization, Algorithms for Adaptive Equalization. Diversity Techniques, RAKE receiver. The students will get familiarized in knowing about the 1. Modulation techniques such as BPSK, MSK, GMSK etc. 2. Some equalization techniques such as Linear Equalization and Non-linear Equalization. 3. Diversity Techniques, RAKE receiver. 19 Constant envelope modulation: Minimum Shift Keying (P.No: 314 To 318 of T1) Gauss ion MSK (P.No: 318 To 323 of T1) (P.No: 300 of R3) (P.No: 120 To 121 of R2) 20 Combined Linear and Constant envelope modulation: M-ary QAM (P.No: 325 To 328 of T1) (P.No: 190 To 196 of R4) 21 M-ay FSK, Orthogonal frequency division Multiplexing (P.No: 328 To 329 of T1) 22 Performance of digital modulation in slow-flat fading channels (P.No: 340 To 344 of T1) and frequency selective mobile channels (P.No: 344 To 346 of T1) 23 Introduction and fundamentals of equalization, Survey of Equalization Techniques (P.No: 364 To 366 of T1) 50m 1.2,3 BB 50m 1,4 BB 24 Linear Equalization (P.No: 366 To 368 of T1) 25 Non-linear Equalization: Decision Feedback Equalization (DFE), Maximum Likelihood Sequence Estimation (MLSE) Equalizer (P.No: 368 To 372 of T1) 26 Algorithms for Adaptive Equalization: Zero Forcing Algorithm, LMS Algorithm, Recursive LMS Algorithm, Summary of Algorithms (P.No: 372 To 379 of T1) 27 Diversity Techniques: Derivation of Selection Diversity Improvement, Derivation of Maximal Ratio Combining Improvement, Practical Space Diversity Considerations, Polarization Diversity, Frequency Diversity, Time Diversity (P.No: 380 To 391 of T1) RAKE Receiver: (P.No: 391 To 393 of T1) (P.No: 438 of R2)
4 Unit: IV Branch: EC Semester: VIII Page 04 of 06 UNIT IV Syllabus: CODING AND MULTIPLE ACCESS TECHNIQUES Coding: Vocoders, Linear Predictive Coders, Selection of Speech Coders for Mobile Communication, GSM Codec, RS codes for CDPD. Multiple Access Techniques: FDMA, TDMA, CDMA, SDMA, Capacity of Cellular CDMA and SDMA. At the end of this unit, students are expected to be familiar with 1. Speech coding principles. 2. The time, frequency code division multiple access techniques as well as more recent multiple access technique such as space division multiple access. 28 Vocoders: Channel Vocoders, Formant Vocoders, Cepstrum Vocoders, Voice-Excited Vocoders (P.No: 429 To 431 of T1) (P.No: 102 To 104 of R2) 29 Linear Predictive Coders: LPC Vocoders, Multi Pulse Excited LPC, Code Excited LPC, Residual Excited LPC (P.No: 431 To 436 of T1) 30 Selection of Speech Coders for Mobile Communication (P.No: 436 To 440 of T1) 31 GSM Codec (P.No: 440 To 441 of T1) 32 RS codes for CDPD 33 FDMA (P.No: 449 To 453 of T1) TDMA (P.No: 453 To 456 of T1), (P.No: 126 of R2) Multiple Access Scheme (P.No: 511 To 558 of R3) 34 CDMA (P.No: 458 To 459 of T1) (P.No: 133 of R2) SDMA (P.No: 461 To 462 of T1) Multiple Access Scheme (P.No: 511 To 558 of R3) 35 Capacity of Cellular CDMA and SDMA Calculations (P.No: 474 To 487 of T1) 36 Problems on Capacity of Cellular CDMA and SDMA Calculations (P.No: 474 To 487 of T1) CAT-II
5 Unit: V Branch: EC Semester: VIII Page 05 of 06 UNIT V Syllabus: WIRELESS SYSTEMS AND STANDARDS Second Generation and Third Generation Wireless Networks and Standards, WLL, Blue tooth. AMPS, GSM, IS-95 and DECT From this unit the students will learn about the 1. Second generation and third generation wireless networks 2. Worldwide wireless standards. 37 Development of Wireless networks (P.No: 499 To 501 of T1) 38 Wireless systems and standards: Key Specifications of 2G Technology Evolution of 2.5G 2.5G & 3G Communication Standard (P.No: 25 To 40 of T1) IMT 2000 Specification (P.No: 525 To 527 of R2) 39 WLL (P.No: 40 To 45 of T1) (P.No: 520 To 525 of R2) 40 Bluetooth (P.No: 52 To 54 of T1) 41 AMPS-AMPS system overview, call handling and AMPS air interface, N-AMPS (P.No: 533 of T1) (P.No: 524 of R2) 42 GSM-Services and Features, System Architecture, Radio subsystem (P.No: 549 To 566 of T1) 43 GSM-Channel types, GSM call, Frame structure, Signal processing (P.No: 549 To 566 of T1) 44 CDMA Digital cellular standard (IS-95): Frequency & Channel Specification, Forward CDMA Channel, Reverse CDMA Channel, IS-95 with 14.4kbps Speech Coders (P.No: 567 To 580 of T1) (P.No: 429 To 439 of R2) 45 DECT: Digital European cordless telephone-features, Characteristics, Architecture, Functional concept and radio link (P.No: 582 To 586 of T1) CAT III
6 Branch: EC Semester: VIII Page 06 of 06 Course Delivery Plan: Week Units I II I II I II I II I II I II I II I II I II I II I II I II I II C C C A A A 2 T 5 T T TEXT BOOK 1. T.S.Rappaport, Wireless Communications: Principles and Practice, Second Edition, Pearson Education/ Prentice Hall of India, Third Indian Reprint REFERENCES 2. R. Blake, Wireless Communication Technology, Thomson Delmar, W.C.Y.Lee, "Mobile Communications Engineering: Theory and applications, Second Edition, McGraw-Hill International, Stephen G. Wilson, Digital Modulation and Coding, Pearson Education, Prepared by Approved by Signature Name Dr.N.Venkateswaran Mr.S.Senthil Rajan Dr.R.Amutha Designation Professor Senior Lecturer HOD - ECE
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