Introduction -- Space-time diversity and coding -- Space-time-frequency diversity and coding -- Relay channels and protocols -- Cooperative communications with single relay -- Multi-node cooperative communications -- Distributed space-time and space-frequency coding -- Relay selection : when to cooperate and with whom -- Differential modulation for cooperative communications -- Energy efficiency in cooperative sensor networks -- Cognitive multiple access via cooperation -- Content-aware cooperative multiple access -- Distributed cooperative routing -- Source-channel coding with cooperation -- Asymptotic performance of distortion exponents -- Coverage expansion with cooperation -- Broadband cooperative communications -- Network lifetime maximization via cooperation.