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Exploiting multiuser diversity in reservation random access
Department of Electrical and Computer Engineering, George Washington University, USA.
Department of Electrical and Computer Engineering, George Washington University, USA.
National Institute of Standards and Technology, Gaithersburg, USA.
Royal Institute of Technology, Stockholm, Sweden.ORCID-id: 0000-0002-7599-4367
2006 (Engelska)Ingår i: IEEE Transactions on Wireless Communications, ISSN 1536-1276, E-ISSN 1558-2248, Vol. 5, nr 9, s. 2548-2554Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this paper, we study the uplink of a cellular network where reservation random access schemes such as reservation slotted ALOHA and reservation slotted nonpersistent ISMA are used for multiple access. When channel state information is not available to users when they contend for channel access, we find that capture effect inherent in wireless communications can exploit the channel variations and reserve users with favorable channels for data transmission. We investigate two channel models where in the first model, channel variations come from time-varying Nakagami-m fading and in the second model, mobile users have both time-varying fading and path loss.

Ort, förlag, år, upplaga, sidor
Institute of Electrical and Electronics Engineers (IEEE), 2006. Vol. 5, nr 9, s. 2548-2554
Nyckelord [en]
Base stations, Channel state information, Data communication, Downlink, Fading, Intelligent networks, Land mobile radio cellular systems, Transmitters, Wireless communication, Wireless networks
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Identifikatorer
URN: urn:nbn:se:liu:diva-76986DOI: 10.1109/TWC.2006.1687778OAI: oai:DiVA.org:liu-76986DiVA, id: diva2:524049
Tillgänglig från: 2012-04-27 Skapad: 2012-04-27 Senast uppdaterad: 2017-12-07Bibliografiskt granskad

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Larsson, Erik G.

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