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Performance analysis of amplify and forward based cooperative diversity in MIMO relay channels

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Title Performance analysis of amplify and forward based cooperative diversity in MIMO relay channels
 
Creator GANWANI, V
DEY, BK
SHARMA, GVV
MERCHANT, SN
DESAI, UB
 
Subject mimo relay
maximal ratio combining (mrc)
space-time coding (stc)
amplify and forward (af)
 
Description Tight closed form lower bounds for the average bit error rate (BER) are derived for a dual hop cooperative network employing nonregenerative relays for the multiple input multiple output (MIMO) relay channel experiencing Rayleigh fading. The bounds are obtained for three different nonregenerative relaying schemes. The lower bounds for the BER are obtained using the moment generating function (MGF) approach by evaluating the MGF of the end-to-end equivalent signal to noise ratio (SNR) of the system. From the BER expressions obtained, we also show that the diversity order for the MIMO Relay cooperative system with each relay having M antennas increases approximately by a factor M from that of a system with single-antenna relays. Simulation results confirm that the analytical expressions for the lower bounds are very tight and can thus be used to get approximate values of the BER.
 
Publisher IEEE
 
Date 2011-10-28T00:27:22Z
2011-12-15T09:12:51Z
2011-10-28T00:27:22Z
2011-12-15T09:12:51Z
2009
 
Type Proceedings Paper
 
Identifier 2009 IEEE VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5,1553-1557
978-1-4244-2516-7
1550-2252
http://dspace.library.iitb.ac.in/xmlui/handle/10054/16459
http://hdl.handle.net/100/2935
 
Source 69th IEEE Vehicular Technology Conference,Barcelona, SPAIN,APR 26-29, 2009
 
Language English