DocumentCode :
3589557
Title :
On the impact of interference on data protocol performance in multicellular wireless packet networks with MIMO links
Author :
Marchetti, Nicola ; Veronesi, Riccardo ; Tralli, Velio
Author_Institution :
Center for TeleInFrastruktur, Aalborg Univ., Denmark
Volume :
3
fYear :
2004
Firstpage :
1538
Abstract :
We study here the performance of the data transmission protocol in a multicell SDMA/TDMA MIMO system running a distributed throughput-driven slot allocation algorithm, as a function of reuse distance, propagation exponent, and network load. Multiple antenna elements are used at both transmitter and receiver side, and perfect channel state information (CSI) is available at the receiver only. A simplified scenario with two access points is considered. We find that the capacity of the network is heavily affected by the presence of interference and we show that the joint use of an estimation of interference covariance matrix and adaptive stream-limited antenna selection prevents capacity degradation when the offered load increases. The results show that the adaptive stream-limited antenna selection introduces a considerable performance improvement over the traditional approach of frequency reuse.
Keywords :
MIMO systems; cellular radio; channel capacity; covariance matrices; interference (signal); multiuser channels; packet radio networks; protocols; space division multiple access; time division multiple access; CSI; MIMO links; SDMA; TDMA; adaptive stream-limited antenna selection; channel state information; data protocol; distributed throughput-driven slot allocation algorithm; interference; interference covariance matrix estimation; multicellular wireless packet networks; multiple antenna elements; multiuser wireless system; network capacity; network load; propagation exponent; reuse distance; Adaptive arrays; Antennas and propagation; Data communication; Interference; MIMO; Multiaccess communication; Receiving antennas; Time division multiple access; Transmitting antennas; Wireless application protocol;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th
ISSN :
1090-3038
Print_ISBN :
0-7803-8521-7
Type :
conf
DOI :
10.1109/VETECF.2004.1400292
Filename :
1400292
Link To Document :
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