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Title: On precoding MIMO-FBMC with imperfect channel state information at the transmitter
Authors: Le Ruyet, Didier
Zakaria, Rostom
Özbek, Berna
Keywords: Channel state information
Filter banks
Transmit antenna
MIMO systems
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: Le Ruyet, D., Zakaria, R., and Özbek, B. (2014, August 26-29). On precoding MIMO-FBMC with imperfect channel state information at the transmitter. Paper presented at the 11th International Symposium on Wireless Communications Systems. doi:10.1109/ISWCS.2014.6933464
Abstract: This paper studies the impact of imperfect channel state information (CSI) due to limited feedback link on the performance of multi-user MIMO system using filter bank based multicarrier (FBMC) modulation. The system is composed of a transmitter performing Zero Forcing (ZF) precoding and single antenna receivers applying decoding techniques. Simulation-based results show that except when the number of users is less than the number of transmit antennas, the BER performance and capacity of FBMC and OFDM modulation are the same. These results are theoretically justified due to the distribution of the interfering terms. As in OFDM, depending on the number of interferers, for a given BER performance target, the required number of feedback bits per channel vector can be rather high. FBMC becomes attractive not only because it relaxes the synchronization with respect to OFDM, but also because it achieves the same performance results as OFDM for multiuser MIMO precoding even in the case of imperfect CSI at the transmitter. © 2014 IEEE.
Description: 11th International Symposium on Wireless Communications Systems, ISWCS 2014; Barcelona; Spain; 26 August 2014 through 29 August 2014
ISBN: 9781479958634
Appears in Collections:Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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