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INTERFERENCE ALIGNMENT (IA) AND COORDINATED MULTI-POINT (COMP) WITH IEEE802.11AC FEEDBACK COMPRESSION: TESTBED RESULTS
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2014 (English)In: Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, ISSN 1520-6149, 6854791- p.Article in journal (Refereed) Published
Abstract [en]

We have implemented interference alignment (IA) and joint transmission coordinated multipoint (CoMP) on a wireless testbed using the feedback compression scheme of the new 802.11ac standard. The performance as a function of the frequency domain granularity is assessed. Realistic throughput gains are obtained by probing each spatial modulation stream with ten different coding and modulation schemes. The gain of IA and CoMP over TDMA MIMO is found to be 26% and 71%, respectively under stationary conditions. In our dense indoor office deployment, the frequency domain granularity of the feedback can be reduced down to every 8th subcarrier (2.5MHz), without sacrificing performance.

Place, publisher, year, edition, pages
2014. 6854791- p.
Keyword [en]
interference alignment, coordinated multipoint, testbed, 802.11ac
National Category
Fluid Mechanics and Acoustics Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-158347DOI: 10.1109/ICASSP.2014.6854791ISI: 000343655306042Scopus ID: 2-s2.0-84905276993OAI: oai:DiVA.org:kth-158347DiVA: diva2:782533
Conference
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), MAY 04-09, 2014, Florence, ITALY
Note

QC 20150121

Available from: 2015-01-21 Created: 2015-01-07 Last updated: 2017-12-05Bibliographically approved

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Output format
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