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A Study of the Next WLAN Standard IEEE 802.11ac Physical Layer
KTH, School of Electrical Engineering (EES), Signal Processing.
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis studies the Physical Layer (PHY) of the new IEEE 802.11acWireless Local Access Network (WLAN) standard. The 11ac is built basedon the 11n successful standard. The standard is expected to be completedby the end of 2013. And it promises a Very High Throughput (VHT),and robust communication. In order to achieve that, the 11ac uses morebandwidth, it employs higher numbers of Multiple-Input Multiple-Output(MIMO) spatial streams, and higher orders of modulations. The 11ac PHYframe structure is studied in details. The transmitter and receiver blocks areexplained and implemented by MATLAB. Bit Error Rate (BER) and ErrorVector Magnitude (EVM) simulations of the PHY were run. The effectof different Modulation and Coding Scheme (MCS), and bandwidths werestudied. The performance of MIMO and Space-Time Block Coding (STBC)was investigated. The simulation results shows how the 11ac benefits fromthe new employed features. The created MATLAB simulation program canbe used for further tests and research.

Place, publisher, year, edition, pages
2013. , 68 p.
EES Examensarbete / Master Thesis, XR-EE-SB 2013:001
Keyword [en]
802.11 ac, Wi-Fi, wifi, PHY, Matlab Simulation
National Category
Signal Processing
URN: urn:nbn:se:kth:diva-133768OAI: diva2:663177
Educational program
Master of Science - Wireless Systems
Available from: 2013-12-19 Created: 2013-11-10 Last updated: 2013-12-19Bibliographically approved

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