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Enhancement LTE System Based on DWT and Four STBC Transmit Antennas in Multichannel Models

Received: 30 December 2014     Accepted: 30 January 2015     Published: 16 March 2015
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Abstract

In this paper Enhancement detail for the two main applications of Long Term Evolution (LTE) these are fixed and Mobile LTE. Fixed LTE will send the data from a single point-to-multipoint like user's houses and companies. While full mobility achieved by Mobile LTE to cellular networks. This done at very high broadband data rate comparted with other broadband networks like WiMax and Wi-Fi. The two types of LTE above are used in planning of a proper network which offers better throughput wireless broadband connectivity with lower cost. This work present a new proposed structures for LTE based on Space Time Block Coding (STBC-LTE) and Discrete Wavelets Transform (DWT) as multicarrier. The purpose of these new proposed structures is to improve the performance of bit error rate (BER) compared with the conventional STBC-LTE that use fast Fourier transform (FFT) as multicarrier. In addition, the new proposed structures with more than three transmits antennas and DWT was used in first time in LTE systems to enhance spectral efficiency and supports BER performance. The proposed STBC- LTE systems have been examined under different channel models like “AWGN, flat fading, and three types of multipath selective fading channel models (Extended Pedestrian, Extended Vehicular and Extended Typical Urban)”. The simulation results achieved in this work show that STBC- LTE based on DWT with four transmits antennas given best between other conventional STBC-LTE based on FFT systems. All these LTE systems models were built using MATLAB 2014a to permit various system parameters to be changed and tested like signal to noise ratio (SNR) and maximum Doppler shift and type of channel and channel parameters of the system.

Published in American Journal of Networks and Communications (Volume 4, Issue 2)
DOI 10.11648/j.ajnc.20150402.11
Page(s) 10-20
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2015. Published by Science Publishing Group

Keywords

LTE, Multipath Fading Channels, DWT, STBC, OFDM

References
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[3] Kitming, Tommy C.-2002, “Hybrids OFDM- CDMA: A Comparison of MC/DS-CDMA, MC-CDMA and OFCDM”, Dept. of Electrical and Electronic, Adelaide University, SA 5005, Australia.
[4] Koga H., N. Kodama, and T. Konishi-2003, "High-speed power line communication system based on wavelet OFDM," in Proc. IEEE ISPLC 2003, Kyoto, Japan, May, pp. 226-231.
[5] Keita I., Daisuke U., and Satoshi D., 2007 “Performance Evaluation of Wavelet OFDM Using ASCET” IEEE.
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[11] Third Generation Partnership Project (3GPP), Dec. 2004 “Universal Mobile Telecommunications System (UMTS); Deployment aspects,” (release 6), 3GPP. TS 25.943, version 6.0.0.
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[15] Yuan D., Zhang H., Jiang M. and Dalei Wu-2004 “Research of DFT-OFDM and DWT-OFDM on Different Transmission Scenarios.” Proceedings of the 2nd International Conference on Information Technology for Application (ICITA), pp. 31–33.
[16] Zhang H., D. Yuan, M. Jiang and Dalei Wu-2004 “Research of DFT-OFDM and DWT-OFDM on Different Transmission Scenarios.” Proceedings of the 2nd International Conference on Information Technology for Application (ICITA).
[17] Gupta A., Chandavarkar B. R.,2012, “An Efficient Bandwidth Management Algorithm for WiMAX (IEEE 802.16) Wireless Network EBM Allocation Algorithm.” IEEE Industrial and Information Systems (ICIIS).
[18] H. Zarrinkoub “Understanding LTE with MATLAB : from mathematical foundation to simulation, performance evaluation andimplementation” John Wiley & Sons, Ltd,2014
[19] P. Tong, R. C. de Lamare, and A. Schmeink, “Adaptive distributed space-time coding based on adjustable code matrices for cooperative MIMO relaying systems,” IEEE Trans. Commun., vol. 61, no. 7, pp. 2692–2703, Jul. 2013.
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  • APA Style

    Laith Ali Abdul-Rahaim. (2015). Enhancement LTE System Based on DWT and Four STBC Transmit Antennas in Multichannel Models. American Journal of Networks and Communications, 4(2), 10-20. https://doi.org/10.11648/j.ajnc.20150402.11

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    ACS Style

    Laith Ali Abdul-Rahaim. Enhancement LTE System Based on DWT and Four STBC Transmit Antennas in Multichannel Models. Am. J. Netw. Commun. 2015, 4(2), 10-20. doi: 10.11648/j.ajnc.20150402.11

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    AMA Style

    Laith Ali Abdul-Rahaim. Enhancement LTE System Based on DWT and Four STBC Transmit Antennas in Multichannel Models. Am J Netw Commun. 2015;4(2):10-20. doi: 10.11648/j.ajnc.20150402.11

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  • @article{10.11648/j.ajnc.20150402.11,
      author = {Laith Ali Abdul-Rahaim},
      title = {Enhancement LTE System Based on DWT and Four STBC Transmit Antennas in Multichannel Models},
      journal = {American Journal of Networks and Communications},
      volume = {4},
      number = {2},
      pages = {10-20},
      doi = {10.11648/j.ajnc.20150402.11},
      url = {https://doi.org/10.11648/j.ajnc.20150402.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajnc.20150402.11},
      abstract = {In this paper Enhancement detail for the two main applications of Long Term Evolution (LTE) these are fixed and Mobile LTE. Fixed LTE will send the data from a single point-to-multipoint like user's houses and companies. While full mobility achieved by Mobile LTE to cellular networks. This done at very high broadband data rate comparted with other broadband networks like WiMax and Wi-Fi. The two types of LTE above are used in planning of a proper network which offers better throughput wireless broadband connectivity with lower cost. This work present a new proposed structures for LTE based on Space Time Block Coding (STBC-LTE) and Discrete Wavelets Transform (DWT) as multicarrier. The purpose of these new proposed structures is to improve the performance of bit error rate (BER) compared with the conventional STBC-LTE that use fast Fourier transform (FFT) as multicarrier. In addition, the new proposed structures with more than three transmits antennas and DWT was used in first time in LTE systems to enhance spectral efficiency and supports BER performance. The proposed STBC- LTE systems have been examined under different channel models like “AWGN, flat fading, and three types of multipath selective fading channel models (Extended Pedestrian, Extended Vehicular and Extended Typical Urban)”. The simulation results achieved in this work show that STBC- LTE based on DWT with four transmits antennas given best between other conventional STBC-LTE based on FFT systems. All these LTE systems models were built using MATLAB 2014a to permit various system parameters to be changed and tested like signal to noise ratio (SNR) and maximum Doppler shift and type of channel and channel parameters of the system.},
     year = {2015}
    }
    

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  • TY  - JOUR
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    AU  - Laith Ali Abdul-Rahaim
    Y1  - 2015/03/16
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    T2  - American Journal of Networks and Communications
    JF  - American Journal of Networks and Communications
    JO  - American Journal of Networks and Communications
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    AB  - In this paper Enhancement detail for the two main applications of Long Term Evolution (LTE) these are fixed and Mobile LTE. Fixed LTE will send the data from a single point-to-multipoint like user's houses and companies. While full mobility achieved by Mobile LTE to cellular networks. This done at very high broadband data rate comparted with other broadband networks like WiMax and Wi-Fi. The two types of LTE above are used in planning of a proper network which offers better throughput wireless broadband connectivity with lower cost. This work present a new proposed structures for LTE based on Space Time Block Coding (STBC-LTE) and Discrete Wavelets Transform (DWT) as multicarrier. The purpose of these new proposed structures is to improve the performance of bit error rate (BER) compared with the conventional STBC-LTE that use fast Fourier transform (FFT) as multicarrier. In addition, the new proposed structures with more than three transmits antennas and DWT was used in first time in LTE systems to enhance spectral efficiency and supports BER performance. The proposed STBC- LTE systems have been examined under different channel models like “AWGN, flat fading, and three types of multipath selective fading channel models (Extended Pedestrian, Extended Vehicular and Extended Typical Urban)”. The simulation results achieved in this work show that STBC- LTE based on DWT with four transmits antennas given best between other conventional STBC-LTE based on FFT systems. All these LTE systems models were built using MATLAB 2014a to permit various system parameters to be changed and tested like signal to noise ratio (SNR) and maximum Doppler shift and type of channel and channel parameters of the system.
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Author Information
  • Electrical Engineering Department, Babylon University, Babil, Iraq

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