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Preface | |
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Acknowledgements | |
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List of notation | |
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Introduction | |
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Book objective | |
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Wireless systems | |
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Book outline | |
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The wireless channel | |
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Physical modeling for wireless channels | |
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Free space, fixed transmit and receive antennas | |
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Free space, moving antenna | |
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Reflecting wall, fixed antenna | |
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Reflecting wall, moving antenna | |
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Reflection from a ground plane | |
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Power decay with distance and shadowing | |
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Moving antenna, multiple reflectors | |
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Input/output model of the wireless channel | |
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The wireless channel as a linear time-varying system | |
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Baseband equivalent model | |
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A discrete-time baseband model | |
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Degrees of freedom | |
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Additive white noise | |
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Time and frequency coherence | |
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Doppler spread and coherence time | |
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Delay spread and coherence bandwidth | |
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Statistical channel models | |
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Modeling philosophy | |
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Rayleigh and Rician fading | |
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Tap gain auto-correlation function | |
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Clarke's model | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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Point-to-point communication: detection, diversity and channel uncertainity | |
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Detection in a Rayleigh fading channel | |
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Non-coherent detection | |
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Coherent detection | |
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From BPSK to QPSK: exploiting the degrees of freedom | |
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Diversity | |
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Time diversity | |
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Repetition coding | |
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Beyond repetition coding | |
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Time diversity code design criterion | |
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Time diversity in GSM | |
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Antenna diversity | |
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Receive diversity | |
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Transmit diversity: space-time codes | |
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MIMO: a 2 x 2 example | |
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2 x 2 MIMO schemes | |
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Frequency diversity | |
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Basic concept | |
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Single-carrier with ISI equalization | |
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Direct-sequence spread-spectrum | |
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Orthogonal frequency division multiplexing | |
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Communication over frequency-selective channels | |
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Impact of channel uncertainty | |
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Non-coherent detection for DS spread-spectrum | |
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Channel estimation | |
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Other diversity scenarios | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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Cellular systems: multiple access and interference management | |
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Introduction | |
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Narrowband cellular systems | |
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Narrowband allocations: GSM system | |
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Impact on network and system design | |
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Impact on frequency reuse | |
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Narrowband systems | |
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Wideband systems: CDMA | |
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CDMA uplink | |
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CDMA downlink | |
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System issues | |
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CDMA | |
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Wideband systems: OFDM | |
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Allocation design principles | |
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Hopping pattern | |
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Signal characteristics and receiver design | |
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Sectorization | |
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Flash-OFDM | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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Capacity of wireless channels | |
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AWGN channel capacity | |
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Repetition coding | |
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Packing spheres | |
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Capacity-achieving AWGN channel codes | |
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Reliable rate of communication and capacity | |
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Resources of the AWGN channel | |
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Continuous-time AWGN channel | |
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Power and bandwidth | |
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Bandwidth reuse in cellular systems | |
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Linear time-invariant Gaussian channels | |
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Single input multiple output (SIMO) channel | |
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Multiple input single output (MISO) channel | |
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Frequency-selective channel | |
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Capacity of fading channels | |
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Slow fading channel | |
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Receive diversity | |
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Transmit diversity | |
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Transmit and recieve diversity | |
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Time and frequency diversity | |
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Outage for parallel channels | |
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Fast fading channel | |
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Transmitter side information | |
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Rate adaptation in IS-856 | |
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Frequency-selective fading channels | |
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Summary: a shift in point of view | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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Multiuser capacity and opportunistic communication | |
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Uplink AWGN channel | |
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Capacity via successive interference cancellation | |
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Comparison with conventional CDMA | |
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Comparison with orthogonal multiple access | |
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General K-user uplink capacity | |
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Downlink AWGN channel | |
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Symmetric case: two capacity-achieving schemes | |
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General case: superposition coding achieves capacity | |
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Uplink and downlink AWGN capacity | |
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SIC: implementation issues | |
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Uplink fading channel | |
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Slow fading channel | |
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Fast fading channel | |
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Full channel side information | |
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Uplink fading channel | |
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Downlink fading channel | |
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Channel side information at receiver only | |
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Full channel side information | |
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Frequency-selective fading channels | |
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Multiuser diversity | |
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Multiuser diversity gain | |
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Multiuser versus classical diversity | |
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Multiuser diversity: system aspects | |
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Fair scheduling and multiuser diversity | |
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Channel prediction and feedback | |
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Opportunistic beamforming using dumb antennas | |
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Multiuser diversity in multicell systems | |
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A system view | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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MIMO I: spatial multiplexing and channel modeling | |
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Multiplexing capability of deterministic MIMO channels | |
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Capacity via singular value decomposition | |
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Rank and condition number | |
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Physical modeling of MIMO channels | |
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Line-of-sight SIMO channel | |
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Line-of-sight MISO channel | |
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Antenna arrays with only a line-of-sight path | |
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Geographically separated antennas | |
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Line-of-sight plus one reflected path | |
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Multiplexing capability of MIMO channels | |
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Modeling of MIMO fading channels | |
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Basic approach | |
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MIMO multipath channel | |
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Angular domain representation of signals | |
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Angular domain representation of MIMO channels | |
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Statistical modeling in the angular domain | |
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Degrees of freedom and diversity | |
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Degrees of freedom in clustered response models | |
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Dependency on antenna spacing | |
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I.i.d. Rayleigh fading model | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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MIMO II: capacity and multiplexing architectures | |
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The V-BLAST architecture | |
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Fast fading MIMO channel | |
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Capacity with CSI at receiver | |
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Performance gains | |
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Full CSI | |
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Performance gains in a MIMO channel | |
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Receiver architectures | |
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Linear decorrelator | |
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Successive cancellation | |
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Linear MMSE receiver | |
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Information theoretic optimality | |
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Connections with CDMA multiuser detection and ISI equalization | |
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Slow fading MIMO channel | |
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D-BLAST: an outage-optimal architecture | |
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Suboptimality of V-BLAST | |
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Coding across transmit antennas: D-BLAST | |
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Discussion | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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MIMO III: diversity-multiplexing tradeoff and universal space-time codes | |
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Diversity-multiplexing tradeoff | |
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Formulation | |
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Scalar Rayleigh channel | |
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Parallel Rayleigh channel | |
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MISO Rayleigh channel | |
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2 x 2 MIMO Rayleigh channel | |
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n[subscript t] x n[subscript r] MIMO i.i.d. Rayleigh channel | |
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Universal code design for optimal diversity-multiplexing tradeoff | |
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QAM is approximately universal for scalar channels | |
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Approximate universality | |
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Universal code design for parallel channels | |
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Universal codes for the parallel channel | |
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Universal code design for MISO channels | |
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Universal codes for the MISO channel | |
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Universal code design for MIMO channels | |
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Universal codes in the downlink | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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MIMO IV: multiuser communication | |
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Uplink with multiple receive antennas | |
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Space-division multiple access | |
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SDMA capacity region | |
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System implications | |
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SDMA and orthogonal multiple access | |
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Slow fading | |
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Fast fading | |
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Multiuser diversity revisited | |
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Opportunistic communication and multiple receive antennas | |
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MIMO uplink | |
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SDMA with multiple transmit antennas | |
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System implications | |
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Fast fading | |
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Downlink with multiple transmit antennas | |
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Degrees of freedom in the downlink | |
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Uplink-downlink duality and transmit beamforming | |
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Precoding for interference known at transmitter | |
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Precoding for the downlink | |
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Fast fading | |
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MIMO downlink | |
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Multiple antennas in cellular networks: a system view | |
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System implications of multiple antennas on multiple access | |
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Inter-cell interference management | |
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Uplink with multiple receive antennas | |
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MIMO uplink | |
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Downlink with multiple receive antennas | |
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Downlink with multiple transmit antennas | |
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SDMA in ArrayComm systems | |
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The main plot | |
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Bibliographical notes | |
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Exercises | |
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Detection and estimation in additive Gaussian noise | |
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Gaussian random variables | |
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Scalar real Gaussian random variables | |
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Real Gaussian random vectors | |
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Complex Gaussian random vectors | |
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Complex Gaussian random vectors | |
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Detection in Gaussian noise | |
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Scalar detection | |
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Detection in a vector space | |
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Detection in a complex vector space | |
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Vector detection in complex Gaussian noise | |
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Estimation in Gaussian noise | |
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Scalar estimation | |
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Estimation in a vector space | |
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Estimation in a complex vector space | |
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Mean square estimation in a complex vector space | |
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Exercises | |
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Information theory from first principles | |
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Discrete memoryless channels | |
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Binary symmetric channel | |
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Binary erasure channel | |
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Entropy, conditional entropy and mutual information | |
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Binary entropy | |
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Noisy channel coding theorem | |
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Reliable communication and conditional entropy | |
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A simple upper bound | |
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Achieving the upper bound | |
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Binary symmetric channel | |
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Binary erasure channel | |
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Operational interpretation | |
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Formal derivation of AWGN capacity | |
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Analog memoryless channels | |
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Derivation of AWGN capacity | |
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Sphere-packing interpretation | |
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Upper bound | |
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Achievability | |
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Time-invariant parallel channel | |
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Capacity of the fast fading channel | |
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Scalar fast fading channel | |
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Fast fading MIMO channel | |
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Outage formulation | |
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Multiple access channel | |
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Capacity region | |
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Corner points of the capacity region | |
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Fast fading uplink | |
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Exercises | |
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References | |
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Index | |