Inhalt

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   1 Introduction
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  2 Fading and diversity
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  2.1 Fading channels
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   2.1.1 Basic channel model and terminology
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   2.1.2 Fading models
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   2.1.3 Coherence time: Slow versus fast fading
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   2.1.4 Performance metrics
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  2.2 Diversity systems
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   2.2.1 Diversity order and gain
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   2.2.2 Used diversity modes
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   2.2.3 Combining
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   2.3 Basic constraints
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   2.4 Summary of basic assumptions
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   3 Cooperative relaying – Protocols and theoretical performance
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  3.1 Background on cooperative relaying protocols
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   3.1.1 From relaying to cooperation diversity
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   3.1.2 Fundamental cooperative relaying protocols
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  3.2 Selection relaying protocols
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   3.2.1 Generalization and protocol classification
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   3.2.2 Combining-based protocols
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   3.2.3 Network path allocation-based protocols
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  3.3 Performance analysis of selection relaying
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   3.3.1 Method and assumptions
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   3.3.2 Outage probability for arbitrary flow networks
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   3.3.3 Outage probability for one and two relays
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   3.3.4 Outage capacity for arbitrary flow networks
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   3.3.5 Outage capacity for one and two relays
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  3.4 Performance analysis under practical constraints
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   3.4.1 Effect of limited CSI feedback
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   3.4.2 Effect of limited network connectivity
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   3.4.3 Occurrence-conditioned outage capacity
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   3.5 Summary of contributions and future work
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  4 Selection relaying with partial forwarding
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   4.1 Partial forwarding
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  4.2 Forwarding decision frequency
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   4.2.1 Block lengths and decision frequency
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   4.2.2 Analysis for block fading channels
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   4.2.3 Discussion
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   4.3 Forwarding decision metric
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   4.3.1 Related work and terminology
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   4.3.2 Calculating Minimum Path Difference
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   4.3.3 Decoder complexity and implementation remarks
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   4.3.4 Accuracy study
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  4.4 Protocols for partial forwarding
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   4.4.1 Single forwarding decision
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   4.4.2 Two decision stages
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   4.4.3 Transmitting control information
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  4.5 End-to-end performance study
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   4.5.1 System model and parameters
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   4.5.2 Effect of the decision metric
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   4.5.3 Effect of the protocol and signaling functions
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   4.6 Summary of contributions and future work
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   5 Applying selection relaying to resource allocation
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  5.1 Asymmetric cooperation for media streaming
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   5.1.1 Approach and scenario
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   5.1.2 Related work
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   5.1.3 Asymmetric diversity branch allocation (ACD)
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   5.1.4 Outage probability and diversity order
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   5.1.5 Traffic-aware cooperation diversity
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   5.1.6 Video quality study
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   5.2 Cooperative feedback for multiuser diversity systems
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   5.2.1 Multiuser diversity in OFDM systems
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   5.2.2 Related work
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   5.2.3 Cooperative feedback protocol
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   5.2.4 Effects of feedback errors and overhead
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   5.2.5 Performance study
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   5.3 Summary of contributions and future work
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   6 Cooperative WLANs – A prototype
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   6.1 Scope and related work
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  6.2 Combining versus packet selection
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   6.2.1 Packet selection
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   6.2.2 Outage analysis
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   6.2.3 Simulation results
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   6.3 Cooperative medium access
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   6.3.1 Signaling for cooperative WLANs
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   6.3.2 CSIG control frames and overhead
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   6.3.3 CSIG protocol operation
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  6.4 A prototype for cooperative WLANs
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   6.4.1 Transceiver design
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   6.4.2 Implementing the prototype
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  6.5 Measurement results
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   6.5.1 Experimental setup and scenarios
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   6.5.2 Indoor scenario results
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   6.5.3 Vehicular scenario results
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   6.6 Summary of contributions and future work
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   7 Conclusions and future research
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  A BER of partial forwarding
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   A.1 BER of uncoded BPSK
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   A.2 Fraction of symbols not forwarded
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   A.3 End-to-end BER of partial forwarding
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  B Details on the measurement platform and scenarios
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   B.1 SORBAS prototyping platform
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   B.1.1 Hardware overview
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   B.1.2 Software overview
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   B.1.3 Measurement and control software
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  B.2 Transmit power mismatch
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   B.2.1 Experimental setup
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   B.2.2 Measurement results
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  B.3 Path loss and link budget
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   B.3.1 Indoor scenario
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   B.3.2 Vehicular scenario
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   B.4 Summary of experimental setup and parameters
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   Bibliography