... AIRsystems.AppendicesIn the fol lowing, we derive the calculation for the cumulativedensity function of the achievable rate for the system withconstant information rate and the approximation for the cdfof the ... the source chooses the coderate ri= Ki/N that maximizes the throughput to sink i,i= 1, , M. Overall, the rate vector chosen by the sourceis the one that maximizes the effective throughput, ... γthreshand 0 otherwise,γthreshbeing a threshold that depends on the rate ri.Wewillrefer to our approach as adaptive information rate (AIR),indicating that the number of information bits per...