Physical layer amendments for MIMO features in 802.11a

Ralf Eickhoff*, Klaus Tittelbach-Helmrich, Michael Wickert, Jens Wagner, Uwe Mayer, Victor Elvira, Jesus Ibañez, Zoran Stamenković, Frank Ellinger

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents enhancements in the physical layer of 802.11a wireless local area networks (WLANs) to support multiple-input multiple-output (MIMO) communication. In this approach, spatial diversity is exploited at the radio-frequency (RF) front-end by weighting the transmitted and the received signals using integrated circuits (ICs). Their optimum weight settings are derived by baseband algorithms based on the estimated MIMO channel response. Prototyping platforms are designed for baseband signal processing and RF transmission, which contain all key components for the RF-MIMO technique and 802.11a data transmission, respectively. The developed algorithms, computing platforms and ICs are successfully verified with respect to the RF-MIMO concept and their compatibility to 802.11a devices.

Original languageEnglish
Title of host publication2011 Future Network and Mobile Summit, FutureNetw 2011
Publication statusPublished - 28 Dec 2011
Event2011 Future Network and Mobile Summit, FutureNetw 2011 - Warsaw, Poland
Duration: 15 Jun 201117 Jun 2011

Conference

Conference2011 Future Network and Mobile Summit, FutureNetw 2011
Country/TerritoryPoland
CityWarsaw
Period15/06/1117/06/11

Keywords / Materials (for Non-textual outputs)

  • 802.11a
  • MIMO
  • wireless communications
  • WLAN

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