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Sökning: onr:"swepub:oai:lup.lub.lu.se:97c5d07e-c0c7-40a4-b2e7-50e1802c25aa" > Efficient experimen...

Efficient experimental evaluation of a MIMO handset with user influence

Harrysson, Fredrik (författare)
Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
Medbo, Jonas (författare)
Molisch, Andreas (författare)
Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
visa fler...
Johansson, Anders J (författare)
Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
Tufvesson, Fredrik (författare)
Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
visa färre...
 (creator_code:org_t)
IEEE - Institute of Electrical and Electronics Engineers Inc. 2010
2010
Engelska.
Ingår i: IEEE Transactions on Wireless Communications. - : IEEE - Institute of Electrical and Electronics Engineers Inc.. - 1536-1276. ; 9:2, s. 853-863
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The immediate environment of handset antennas, including the casings and the users holding the handsets, has a strong impact on the radio channel in mobile communication. In this paper we investigate a composite channel method that synthetically combines double-directional measurements of the userless propagation channel with measured super-antenna patterns, i.e., patterns of the combined antenna-casing-user arrangement. We experimentally evaluate the method by comparing results (power, capacity, and eigenvalue distribution) obtained from this composite method with direct measurements in the same environment. The measurements were done in two static 8 × 4 MIMO scenarios at 2.6 GHz, with the user indoors and the base station located outdoors and indoors, respectively. A realistic user phantom together with a “smart-phone” handset mock-up with four antenna elements was used, and different configurations and orientations were tested. The method gives statistical distributions of the MIMO eigenvalues, that are close to the measured. By using the composite method, we found that the user, apart from introducing hand and body loss that mainly decreases the SNR of the channel, slightly increases the correlation between the fading at the antenna elements.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)

Nyckelord

channelmeasurement
Mobile communication
channel model
user phantom
multiple-input multiple-output(MIMO)

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