Paper Info
Title
Adaptive Multi-Tx Multi-Rx MIMO Transmission Scheme for LTE-Advanced Downlink
Abstract
Multiple-input multiple-output (MIMO) spatial multiplexing has been adopted by 3GPP long term evolution (LTE) to increase the peak spectrum efficiency. However, it will lose its effectiveness for cell edge users due to the inter-cell interference (ICI). Therefore, 3GPP LTE-Advanced (LTE-A) is considering to introduce some multi-cell cooperative transmission techniques to solve this problem. In this paper, we first propose the distributed multi-Tx multi-Rx (MTMR) MIMO spatial multiplexing for LTEA downlink, which only needs partial cooperation, so the heavy backhauling overhead and the high implementation complexity encountered in the traditional full cooperation scheme can be avoided. Meanwhile, because of the efficient utilization of multicell transmit power and spatial degree of freedom, a higher spectrum efficiency can be achieved by MTMR MIMO spatial multiplexing in good channel conditions compared with the other partial cooperation schemes. Then in order to ensure the highest possible cell edge spectrum efficiency to be achieved in different channel conditions, we further integrate multiple distributed cooperation modes into the same framework and introduce a mechanism of adaptive cooperation mode selection. Both qualitative analysis and quantitative simulations show the proposal's effectiveness and indicate it a promising candidate for the cooperative transmission in LTE-A downlink.
Year
DOI
Venue
2009
10.1109/GLOCOM.2009.5425859
GLOBECOM
Keywords
Field
DocType
multiple-input multiple-output spatial multiplexing,traditional full cooperation scheme,partial cooperation scheme,peak spectrum efficiency,cooperation mode,space division multiplexing,lte-advanced downlink,inter-cell interference,mimo spatial,mtmr mimo spatial,adaptive multi-tx multi-rx mimo transmission scheme,cell edge spectrum efficiency,mimo communication,partial cooperation,3gpp long term evolution,adaptive cooperation mode selection,spatial degree,higher spectrum efficiency,transmission scheme,multicell cooperative transmission techniques,spatial multiplexing,interference (signal),mimo,downlink,signal to noise ratio,spectrum,qualitative analysis,degree of freedom,multiplexing
3G MIMO,Transmitter power output,Control theory,Computer science,MIMO,Real-time computing,Electronic engineering,Spectral efficiency,Multiplexing,Spatial multiplexing,LTE Advanced,Telecommunications link
Conference
ISSN
ISBN
Citations 
1930-529X
978-1-4244-4148-8
0
PageRank 
References 
Authors
0.34
7
3
Name
Order
Citations
PageRank
Xiaolin Hou17615.75
Zhan Zhang2255.10
Hidetoshi Kayama312824.09