Abstract
This paper provides a review of recent advances in multi-user cooperative data transmission. The focus is on the inherent trade-off between achievable throughput and reliability of cooperative transmission. Research has shown that under a fixed transmit energy budget, increased cooperation doesn't necessarily lead to increased reliability. In fact, careful cooperation partner selection and power allocation is needed in order to fully exploit the benefits of cooperative transmission. Furthermore, depending on the multi-media content, different cooperation strategies may need to be considered.
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