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- W80854710 abstract "In this thesis, we analyse the potential gain in capacity and performance of thenon-orthogonal SAPHYRE project transmission schemes when simulated in asystem-level simulator with a realistic model including multiple users, propagationmodels and tra�c models. We compare the results of the simulations withresults for the uncoordinated orthogonal scenario, and the coordinated orthogonalscenario, as well as for ZF beamforming in the coordinated non-orthogonalscenario. We also introduce some methods to deal with coordinated schedulingfor MSR, PF and MM scheduling. Furthermore, we show in a sensitivityanalysis how sensitive the SAPHYRE transmission schemes are with regards tofeedback delay, feedback error and interference of surrounding cells.We show that, with the SAPHYRE transmission schemes, an almost twofoldincrease in average user throughput and 10th percentile throughput can bereached when compared to the uncoordinated orthogonal scenario. For thecoordinated orthogonal scenario the results are lower, but still a decent improvement.Furthermore, we show that we can also increase the system throughputalmost twofold when the system is fully loaded with the SAPHYRE schemes.With lower loads, the throughput decreases to the same values as the orthogonalscenarios. With respect to ZF, we show that the SAPHYRE schemes are ofsimilar performance.Lastly, we show that the MSR scheduling algorithm is more resilient tofeedback error and interference of surrounding cells than the PF algorithm withSAPHYRE transmission schemes. Both scheduling algorithms are not a�ectedby a delay of up to 8 Transmission Time Intervals (TTIs), for the pedestrianusers included in our model." @default.
- W80854710 created "2016-06-24" @default.
- W80854710 creator A5036114576 @default.
- W80854710 date "2012-01-01" @default.
- W80854710 modified "2023-09-26" @default.
- W80854710 title "Assessing the benefits of spectrum sharing in wirelessaccess networks" @default.
- W80854710 hasPublicationYear "2012" @default.
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