OTFS : orthogonal time frequency space modulation : a waveform for 6G /

Over the last few decades wireless communications, especially Mobile Communication Technology, has evolved by leaps and bounds. The mobile communication industry has named the different major changes as generations namely 1G, 2G, .5G. We are presently looking at deployment of 5G technologies. The wo...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autores principales: Das, Suvra Sekhar (Autor), Prasad, Ramjee (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Alsbjergvej, Gistrup, Denmark : River Publishers, [2021]
Colección:River Publishers series in communications.
Temas:
Wireless communication systems.
Modulation (Electronics)
Transmission sans fil.
Modulation (Électronique)
SCIENCE > Energy.
Wireless communication systems
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Front Cover
  • OTFS: Orthogonal Time Frequency Space Modulation
  • Contents
  • Preface
  • Acknowledgements
  • List of Figures
  • List of Tables
  • 1 Introduction
  • 1.1 Background
  • 1.2 1G
  • 2G
  • 1.3 2G
  • 3G
  • 1.4 3G
  • 4G
  • 1.5 Fifth Generation (5G) Mobile Communication Systems
  • 1.6 6G
  • 2 A Summary of Waveforms for Wireless Channels
  • 2.1 Introduction
  • 2.1.1 Chapter Outline
  • 2.2 Mathematical Foundation to Time-Frequency Analysis
  • 2.2.1 Hilbert Space
  • 2.2.2 Norm on Vector Space
  • 2.2.3 Linear Operators on Hilbert Space
  • 2.2.3.1 Functional in Hibert Space
  • 2.2.3.2 Adjoint Operator
  • 2.2.4 Orthonormal Basis for Hilbert Space
  • 2.2.5 Sequence Space l2(N)
  • 2.2.6 Function Spaces
  • 2.2.7 Fourier Transform
  • 2.2.7.1 Operators on L2(R)
  • 2.2.8 Frames in Hilbert Spaces
  • 2.2.8.1 Frame Operator
  • 2.2.8.2 Reisz Basis
  • 2.2.8.3 Tight Frame
  • 2.2.8.4 Dual Frame
  • 2.2.9 Gabor Transform
  • 2.3 Time-Frequency Foundations
  • 2.3.1 Time-Frequency Uncertainty Principle
  • 2.3.2 Short Time Fourier Transform
  • 2.3.2.1 Properties
  • 2.3.3 Ambiguity Function
  • 2.4 Linear Time Varying Channel
  • 2.4.1 Delay-Doppler Spreading Function (SH(,))
  • 2.4.2 Time-Varying Transfer Function (LH(t, f))
  • 2.4.3 Time-Varying Impulse Response (h(t,))
  • 2.4.4 Linear Time Invariant (LTI) Channel
  • 2.4.5 Stochastic Description
  • 2.4.6 Under-Spread Property of Wireless Channel
  • 2.4.7 Physical Discrete Path Model
  • 2.4.7.1 Virtual Channel Representation: Sampling in Delay-Doppler Domain
  • 2.5 Waveform Design in Gabor Setting
  • 2.5.1 Digital Communication in Gabor System
  • 2.5.2 Waveform Design of Rectangular Lattice
  • 2.5.2.1 Ideal Eigenfunction of H
  • 2.5.3 Approximate Eigen Function for LTV Channel
  • 2.6 OFDM
  • 2.6.1 Channel
  • 2.6.2 Receiver
  • 2.7 5G Numerology
  • 2.7.1 Genesis
  • 2.8 Windowed OFDM
  • 2.8.1 Transmitter
  • 2.8.2 Receiver
  • 2.9 Filtered OFDM
  • 2.9.1 Transmitter
  • 2.9.2 Receiver Processing
  • 2.10 Filter Bank Multi-Carrier
  • 2.10.1 Cosine Modulated Tone
  • 2.10.2 Filter Characteristics
  • 2.10.3 Simplified Filter Characteristics
  • 2.10.4 MMSE Equalizer for FBMC
  • 2.11 Universal Filtered Multi-Carrier
  • 2.11.1 Structure of UFMC Transceiver
  • 2.11.2 System Model for UFMC
  • 2.11.3 Output of the Receiver for the UFMC Transceiver Block Diagram
  • 2.12 Generalized Frequency Division Multiplexing (GFDM)
  • 2.12.1 Introduction
  • 2.12.1.1 Chapter Conents
  • 2.12.2 GFDM System in LTI Channel
  • 2.12.2.1 Transmitter
  • 2.12.2.2 Self-interference in GFDM
  • 2.12.2.3 Receiver
  • 2.12.2.4 Two Stage Equalizer
  • 2.12.2.5 One-Stage Equalizer
  • 2.12.3 GFDM in Gabor System
  • 2.12.3.1 Discrete Gabor Transform
  • 2.12.3.2 Critically Sampled Gabor Transform
  • 2.12.4 Bit Error Rate Computation for MMSE Receiver
  • 2.12.4.1 MMSE Receiver
  • 2.12.4.2 SINR Computation
  • 2.12.4.3 Frequency Selective Fading Channel (FSFC)

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