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A Novel Initial Ranging Algorithm for mobile WiMAX (802.16e)

by V V Girish, V K Govindan, Shakeel Baig, Vijaya Yajnanarayana
journal cover thumbnail

International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 1 - Number 3
Year of Publication: 2010
Authors: V V Girish, V K Govindan, Shakeel Baig, Vijaya Yajnanarayana
10.5120/76-170

V V Girish, V K Govindan, Shakeel Baig, Vijaya Yajnanarayana . A Novel Initial Ranging Algorithm for mobile WiMAX (802.16e). International Journal of Computer Applications. 1, 3 ( February 2010), 95-100. DOI=10.5120/76-170

@article{ 10.5120/76-170,
author = { V V Girish, V K Govindan, Shakeel Baig, Vijaya Yajnanarayana },
title = { A Novel Initial Ranging Algorithm for mobile WiMAX (802.16e) },
journal = { International Journal of Computer Applications },
issue_date = { February 2010 },
volume = { 1 },
number = { 3 },
month = { February },
year = { 2010 },
issn = { 0975-8887 },
pages = { 95-100 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume1/number3/76-170/ },
doi = { 10.5120/76-170 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T19:44:46.551587+05:30
%A V V Girish
%A V K Govindan
%A Shakeel Baig
%A Vijaya Yajnanarayana
%T A Novel Initial Ranging Algorithm for mobile WiMAX (802.16e)
%J International Journal of Computer Applications
%@ 0975-8887
%V 1
%N 3
%P 95-100
%D 2010
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Initial ranging process plays an important role in the mobile worldwide interoperability for microwave access (WiMAX) standard (IEEE 802.16e). Timing offset adjustment, power offset calculation and synchronization between the base station and all the users within a cell are achieved during the initial ranging process. A comparative study of existing and a novel ranging algorithm is proposed in this paper. Most of the current ranging algorithms do not take in to account the interference created by the ranging codes sent by other ranging users in an Orthogonal Frequency Division Multiple Access (OFDMA) setup [2][4][5][7]. The novel ranging method cancels the interference created due to the other raging codes in the ranging area. The simulation results indicate a significant improvement in performance under practical scenarios.

References
  1. IEEE standard for local and metropolitan area networks part16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems Amendment 2: Physical and Medium Access Control Layers for combined Fixed and Mobile Operation in Licensed Bands and Corrigendum 1, IEEE Std 802.16e-2005 and IEEE Std 802.16-2004/Cor 1-2005 (Amendment and Corrigendum to IEEE Std 802.16-2004) Std., 2006.
  2. Girish V V, “Ranging Algorithms in WiMAX”, Master thesis, Computer Science Engineering Department, National Institute of Technology, Calicut, India, 2009.
  3. M Shakeel Baig, “Signal Processing Requirements for WiMAX (802.16e) Base station”, Master thesis, Signal Processing Group Department of Signals and Systems Chalmers University of Technology Göteborg, Sweden, 2005.
  4. X. Fu, Y. Li, and H. Minn. “A new ranging method for OFDMA systems,” IEEE transactions on wireless Communications, vol. 6, no. 2, pp. 659-669, February 2007.
  5. Sanguinetti. L, Morelli. M, H. Vincent Poor, “An Improved Scheme for Initial Ranging in OFDMA-based Networks,” IEEE transactions on Communications, volume, Issue, 19-23 May 2008.
  6. D. H. Lee, H. W. Je and K. B. Lee, "Differential Detection Scheme with Combining Multiple FFT Blocks for OFDMA Ranging of IEEE 802.16e", in Proc. IEEE 10th International OFDM-Workshop, Aug. 2005.
  7. Mahmoud. H. A, Arslan. H, Ozdemir. M. K, “Initial Ranging for WiMAX (802.16e) OFDMA”, IEEE transactions on Military Communications Conference, 2006, Volume, Issue, 23-25 Oct.2006 Pages(s):1-7.
  8. John G.Proakis, Dimitris G.Manolakias, “Digital Signal Processing”, Prentice-Hall, Inc, ISBN: 013394338, 1996
Index Terms

Computer Science
Information Sciences

Keywords

IEEE 802.16e Ranging OFDMA Ranging Simulations

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