Open-source physical-layer simulator for LTE systems

This article describes a physical-layer simulator for both uplink and downlink connections of LTE systems, whose performances are assessed by simulating standardized environments. The simulator is compliant with Release 9 of LTE standard and it is publicly available for educational purposes, allowin...

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Main Authors: Lima, M. V. S., Gussen, C. M. G., Espindola, B. N., Ferreira, T. N., Martins, W. A., Diniz, P. S. R.
Format: Conference Proceeding
Language:English
Subjects:
Bit error rate
Channel coding
Channel estimation
Downlink
Interference
LTE
multi-user interference
Multiplexing
physical-layer simulator
Wireless communications
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creator Lima, M. V. S.
Gussen, C. M. G.
Espindola, B. N.
Ferreira, T. N.
Martins, W. A.
Diniz, P. S. R.
description This article describes a physical-layer simulator for both uplink and downlink connections of LTE systems, whose performances are assessed by simulating standardized environments. The simulator is compliant with Release 9 of LTE standard and it is publicly available for educational purposes, allowing students and researchers to test the performance of Signal Processing and Digital Communications techniques in an easy-to-use MATLAB framework. Users may benefit from implemented features such as channel estimation using different demodulation reference signals, channel coding, equalization, multiple access schemes in which multiple cells are employed, as well as diversity, spatial multiplexing, and beamforming transmissions. As an example, we evaluate the impact on the performance of an uplink connection due to inaccuracy in channel estimation and multi-user interference. In addition, we include the evaluation of using diversity and spatial multiplexing transmissions on downlink connections.
doi_str_mv 10.1109/ICASSP.2012.6288494
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2379-190X
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source IEEE Xplore All Conference Series
subjects Bit error rate
Channel coding
Channel estimation
Downlink
Interference
LTE
multi-user interference
Multiplexing
physical-layer simulator
Wireless communications
title Open-source physical-layer simulator for LTE systems
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