Channel-Equalization-in-FBMC-master
说明： EAGALISATION FBMC ESTIMATION END SYNCHNRONISATION
文件列表:
+Channel (0, 2018-07-02)
+Channel\FastFading.m (30623, 2018-07-02)
+ChannelEstimation (0, 2018-07-02)
+ChannelEstimation\ImaginaryInterferenceCancellationAtPilotPosition.m (14496, 2018-07-02)
+ChannelEstimation\PilotSymbolAidedChannelEstimation.m (10998, 2018-07-02)
+Modulation (0, 2018-07-02)
+Modulation\FBMC.m (41490, 2018-07-02)
+Modulation\OFDM.m (19749, 2018-07-02)
+Modulation\SignalConstellation.m (14169, 2018-07-02)
BER_MIMO.m (19601, 2018-07-02)
BER_SISO.m (23648, 2018-07-02)
EqualizerFunctions (0, 2018-07-02)
EqualizerFunctions\FBMC_SubBlockMMSEequalizer.m (12986, 2018-07-02)
EqualizerFunctions\FBMC_SubBlockMMSEequalizer2x2MIMO.m (2801, 2018-07-02)
EqualizerFunctions\FBMC_SubBlockMMSEequalizerHermite.m (12798, 2018-07-02)
LICENSE (35147, 2018-07-02)
PlotInterferencePower2D.m (6450, 2018-07-02)
Theory (0, 2018-07-02)
Theory\BitErrorProbabilityDoublyFlatRayleigh.m (5433, 2018-07-02)
png (0, 2018-07-02)
png\Figure5.png (198184, 2018-07-02)
png\Figure6.png (184660, 2018-07-02)
+Channel\FastFading.m (30623, 2018-07-02)
+ChannelEstimation (0, 2018-07-02)
+ChannelEstimation\ImaginaryInterferenceCancellationAtPilotPosition.m (14496, 2018-07-02)
+ChannelEstimation\PilotSymbolAidedChannelEstimation.m (10998, 2018-07-02)
+Modulation (0, 2018-07-02)
+Modulation\FBMC.m (41490, 2018-07-02)
+Modulation\OFDM.m (19749, 2018-07-02)
+Modulation\SignalConstellation.m (14169, 2018-07-02)
BER_MIMO.m (19601, 2018-07-02)
BER_SISO.m (23648, 2018-07-02)
EqualizerFunctions (0, 2018-07-02)
EqualizerFunctions\FBMC_SubBlockMMSEequalizer.m (12986, 2018-07-02)
EqualizerFunctions\FBMC_SubBlockMMSEequalizer2x2MIMO.m (2801, 2018-07-02)
EqualizerFunctions\FBMC_SubBlockMMSEequalizerHermite.m (12798, 2018-07-02)
LICENSE (35147, 2018-07-02)
PlotInterferencePower2D.m (6450, 2018-07-02)
Theory (0, 2018-07-02)
Theory\BitErrorProbabilityDoublyFlatRayleigh.m (5433, 2018-07-02)
png (0, 2018-07-02)
png\Figure5.png (198184, 2018-07-02)
png\Figure6.png (184660, 2018-07-02)
# Channel Equalization in FBMC
This repository simulates an FBMC transmission over a doubly-selective channel and shows the Bit Error Ratio (BER) for different MMSE equalization and interference cancellation methods.
All figures from R. Nissel et al. [“FBMC-OQAM in Doubly-Selective Channels:
A New Perspective on MMSE Equalization”](https://publik.tuwien.ac.at/files/publik_259771.pdf), IEEE SPAWC, 2017, can be reproduced.
For more information about FBMC, see [https://github.com/rnissel/FBMC](https://github.com/rnissel/FBMC). Note that my measurements indicate that one-tap equalizers are often sufficient in mobile communications, see my [PhD thesis](http://publik.tuwien.ac.at/files/publik_265168.pdf) (perfectly time and frequency synchronized). Only in some rare cases, enhanced equalization methods, as presented here, might be useful.
## Requirements
We used Windows 7 (***bit) and Matlab R2013b/2016a, but newer versions (and some older) should also work.
## Basic Properties of Our Equalizers
Our n-tap MMSE equalizer additionally employs neighboring subcarriers so that it outperforms conventional methods:
A simple interference cancellation scheme shows a good performance for practical relevant SNR ranges:
## Reproducible Figures
All figures from [“FBMC-OQAM in Doubly-Selective Channels:
A New Perspective on MMSE Equalization”](https://publik.tuwien.ac.at/files/publik_259771.pdf) can be reproduced. The figure numbers are the same as in the paper.
* **Figure 1**:
Please run [`PlotInterferencePower2D.m`](PlotInterferencePower2D.m) after uncommenting line 26.
* **Figure 2**:
Please run [`PlotInterferencePower2D.m`](PlotInterferencePower2D.m).
* **Figure 3**:
Just an illustration.
* **Figure 4**:
Please run [`BER_SISO.m`](BER_SISO.m) after uncommenting line 34. Moreover, to truly reproduce Figure 4, line 31 must be uncommented (increases the simulation time).
* **Figure 5**:
Please run [`BER_SISO.m`](BER_SISO.m). To truly reproduce Figure 5, line 31 must be uncommented (increases the simulation time).
* **Figure 6**:
Please run [`BER_SISO.m`](BER_SISO.m). To truly reproduce Figure 6, line 31 must be uncommented (increases the simulation time).
* **Figure 7**:
Please run [`BER_MIMO.m`](BER_SISO.m). To truly reproduce Figure 7, the lines 31-32 must be uncommented (increases the simulation time).
## Please Cite Our Paper
@inproceedings{Nissel2017spawcA,
author = {R. Nissel and M. Rupp and R. Marsalek},
booktitle = {IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)},
title = {{FBMC-OQAM} in doubly-selective channels: A new perspective on {MMSE} equalization},
year = {2017},
pages = {1-5},
doi = {10.1109/SPAWC.2017.8227806},
month = {July},
}
## References
- R. Nissel, M. Rupp, and R. Marsalek, [“FBMC-OQAM in Doubly-Selective Channels:
A New Perspective on MMSE Equalization”](https://publik.tuwien.ac.at/files/publik_259771.pdf), IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Sapporo, Japan, July 2017.
- R. Nissel, S. Schwarz, and M. Rupp, [“Filter bank multicarrier modulation schemes for future mobile communications”](https://publik.tuwien.ac.at/files/publik_260162.pdf), IEEE Journal on Selected Areas in Communications, vol. 35, no. 8, pp. 1768–1782, 2017.
- R. Nissel, [“Filter bank multicarrier modulation for future wireless systems”](http://publik.tuwien.ac.at/files/publik_265168.pdf), Dissertation, TU Wien, 2017.
A simple interference cancellation scheme shows a good performance for practical relevant SNR ranges:
## Reproducible Figures
All figures from [“FBMC-OQAM in Doubly-Selective Channels:
A New Perspective on MMSE Equalization”](https://publik.tuwien.ac.at/files/publik_259771.pdf) can be reproduced. The figure numbers are the same as in the paper.
* **Figure 1**:
Please run [`PlotInterferencePower2D.m`](PlotInterferencePower2D.m) after uncommenting line 26.
* **Figure 2**:
Please run [`PlotInterferencePower2D.m`](PlotInterferencePower2D.m).
* **Figure 3**:
Just an illustration.
* **Figure 4**:
Please run [`BER_SISO.m`](BER_SISO.m) after uncommenting line 34. Moreover, to truly reproduce Figure 4, line 31 must be uncommented (increases the simulation time).
* **Figure 5**:
Please run [`BER_SISO.m`](BER_SISO.m). To truly reproduce Figure 5, line 31 must be uncommented (increases the simulation time).
* **Figure 6**:
Please run [`BER_SISO.m`](BER_SISO.m). To truly reproduce Figure 6, line 31 must be uncommented (increases the simulation time).
* **Figure 7**:
Please run [`BER_MIMO.m`](BER_SISO.m). To truly reproduce Figure 7, the lines 31-32 must be uncommented (increases the simulation time).
## Please Cite Our Paper
@inproceedings{Nissel2017spawcA,
author = {R. Nissel and M. Rupp and R. Marsalek},
booktitle = {IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)},
title = {{FBMC-OQAM} in doubly-selective channels: A new perspective on {MMSE} equalization},
year = {2017},
pages = {1-5},
doi = {10.1109/SPAWC.2017.8227806},
month = {July},
}
## References
- R. Nissel, M. Rupp, and R. Marsalek, [“FBMC-OQAM in Doubly-Selective Channels:
A New Perspective on MMSE Equalization”](https://publik.tuwien.ac.at/files/publik_259771.pdf), IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Sapporo, Japan, July 2017.
- R. Nissel, S. Schwarz, and M. Rupp, [“Filter bank multicarrier modulation schemes for future mobile communications”](https://publik.tuwien.ac.at/files/publik_260162.pdf), IEEE Journal on Selected Areas in Communications, vol. 35, no. 8, pp. 1768–1782, 2017.
- R. Nissel, [“Filter bank multicarrier modulation for future wireless systems”](http://publik.tuwien.ac.at/files/publik_265168.pdf), Dissertation, TU Wien, 2017.
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