Cross-layer Aspects in OFMDA Systems : Feedback, Scheduling and Beamforming
This thesis mainly studies the downlink of a wireless multiuser system, where the transmitter has limited knowledge about the communication channels of the users. Key techniques to improve the performance of such systems are, for instance, multiple antennas, multiuser diversity and orthogonal freque...
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| Format: | Doctoral Thesis |
| Language: | English |
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KTH, Signalbehandling
2007
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| Online Access: | http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4429 http://nbn-resolving.de/urn:isbn:978-91-7178-722-4 |