Reference : Cross Layer Implementation of a Multi-User MIMO Test Bed
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Computer science
Engineering, computing & technology : Computer science
http://hdl.handle.net/10993/7521
Cross Layer Implementation of a Multi-User MIMO Test Bed
English
Jalden, Niklas [KTH EE Signal Process. Lab., R. Inst. of Technol., Stockholm, Sweden]
Bergman, Svante [> >]
Zetterberg, Per [> >]
Ottersten, Björn mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Werner, Karl [> >]
2010
Wireless Communications and Networking Conference (WCNC), 2010 IEEE
IEEE
1-6
Yes
International
978-1-4244-6396-1
Proceedings IEEE Wireless Communications & Networking Conference (WCNC) 2010
18-21 April 2010
Sydney
Australia
[en] This paper describes an implementation of a realtime multi-user multiple-input multiple-output (MU-MIMO) communication system, with cross-layer channel-aware scheduling. The system is implemented using software reconfigurable nodes that may be configured as either user terminals, or as base stations, communicating in the GSM 1800 uplink band. Three different commonly used scheduling algorithms (based on channel state information fed back by the receiver nodes) are studied and compared experimentally for three different signal to noise ratios in an indoor non line of sight environment. It is shown that channel-aware scheduling increases not only the system throughput, but also the fairness. Further, using the possibility of changing antenna polarization through software controlled switches, the multiuser gains may be increased even further, both in total throughput as well as fairness.
Others
http://hdl.handle.net/10993/7521
10.1109/WCNC.2010.5506396
Proceedings IEEE Wireless Communications & Networking Conference (WCNC) 2010

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