Extending Generalized Processor Sharing for multi-operator scheduling in cellular networks

Sharing wireless channel resources among cellular network operators saves costs by efficiently utilizing hardware and spectrum. To allocate time slots among the users of multiple operators, we introduce a new scheduling algorithm that is based on General Processor Sharing and a Bin Packing heuristic. Our flexible scheduler design allows each operator to execute its own multi-user scheduling policy while providing the agreed resource share. From a practical point of view, our multi-operator scheduler reaches very high spectral efficiency and fairness at an only insignificant increase in queuing delay.