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Real-time scheduling for wireless multiuser MISO systems under different fairness criteria
Bartolomé Calvo, Diego; Palomar, Daniel P.; Pérez Neira, Ana Isabel
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. A&MP - Grup de Processament d'Arrays i Sistemes Multicanal
This paper deals with the spatio-temporal scheduling of a set of users for downlink transmission in a cell where the base station is provided with multiple antennas. Two main issues are addressed: how the users are distributed into space-time groups and how the available power is allocated among the users within a group. Since the former is an NP-complete combinatorial problem, we develop fast and low-complexity algorithms, which might be capable to fulfill the real-time requirements of a practical scheduling scheme. Regarding the power allocation, we consider different fairness criteria under the capacity point of view. To be precise, we compare the alternatives of equal rate and maximum sum rate with our proposed equal proportional rate solution.
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Signal theory (Telecommunication)
Time division multiple access
Senyal, Teoria del (Telecomunicació)
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