From: Joint Power Control, Base Station Assignment, and Channel Assignment in Cognitive Femtocell Networks
Symbol | Description |
---|---|
| Total number of FBS |
| Total number of clients |
| Hardware noise and environmental noise |
| Time frame |
| Maximum backhaul link capacity |
| Constant parameter for the SINR threshold of MBS |
| Constant parameter for the SINR threshold of the FBS |
| Constant parameter for the maximum transmission power of clients |
| Constant parameter for the maximum transmission power of MBS |
| Constant parameter for the maximum transmission power of FBS |
| Weight parameter for the weighted sum approach |
| Transmission power vector of clients |
| Transmission power vector of BS |
| Measured power of client at client using channel |
| Measured power of BS at BS |
| Uplink achievable throughput from client to BS using frequency |
| Downlink achievable throughput from BS to client using frequency |
| Transmission gain matrix between network elements. Note that index 0 represents |
| the MBS, indices 1 to represent FBSs, and indices to represent clients |
| Coverage scheme variable for set of public users associated with MBS |
| Coverage scheme constant for set of private users associated with an FBS |
| Coverage scheme variable for set of public users associated with FBS |
| Uplink channel assignment variable for client using frequency |
| Downlink channel assignment variable for BS using frequency |
| Uplink throughput objective function |
| Distributed uplink throughput objective function at each client |
| Downlink throughput objective function |
| Distributed downlink throughput for the MBS |
| Distributed downlink throughput at each FBS |
| Uplink compensation objective function |
| Downlink compensation objective function |
| Distributed compensation objective function at each client |
| Distributed downlink compensation objective function at each BS |
| Weighted sum problem for uplink model |
| Distributed uplink weighted sum problem |
| Weighted sum problem for downlink model |
| Distributed downlink weighted sum problem at the MBS |
| Distributed downlink weighted sum problem at each FBS |
| Distributed achievable throughput from client to BS using frequency at each client |
| Downlink achievable throughput from BS to client using frequency at each BS |