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http://dx.doi.org/10.1109/JCN.2014.000046

The Robustness of Coding and Modulation for Body-Area Networks  

Biglieri, Ezio (Universitat Pompeu Fabra, Barcelona, King Saud University)
Alrajeh, Nabil (Biomedical Technology Department, College of Applied Medical Sciences, King Saud University)
Publication Information
Abstract
We consider transmission over body area networks. Due to the difficulty in assessing an accurate statistical model valid for multiple scenarios, we advocate a system design technique favoring robustness. Our approach, which is based on results in [12] and generalizes them, examines the variation of a performance metric when the nominal statistical distribution of fading is replaced by the worst distribution within a given Kullback-Leibler divergence from it. The sensitivity of the performance metric to the divergence from the nominal distribution can be used as an indication of the design robustness. This concept is applied by evaluating the error probability of binary uncoded modulation and the outage probability-the first parameter is useful to assess system performance with no error-control coding, while the second reflects the performance when a near-optimal code is used. The usefulness of channel coding can be assessed by comparing its robustness with that of uncoded transmission.
Keywords
Body-area network; channel model; channel uncertainty;
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Times Cited By KSCI : 1  (Citation Analysis)
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1 D. Neirynck, C. Williams, A. Nix, and M. Beach, "Exploiting multipleinput multiple-output in the personal sphere," IET Microw. Antennas Propag., vol. 1, no. 6, pp. 1170-1176, Dec. 2007.   DOI
2 A. Fort et al., "An ultra-wideband body area propagation channel model - From statistics to implementation," IEEE Trans. Microw. Theory and Techn., vol. 54, no. 4, pp. 1820-1826, Apr. 2006.   DOI
3 K. P. Burnham and D. R. Anderson, Model Selection and Multimodel Inference-A Practical Information-Theoretic Approach, 2nd ed. New York: Springer-Verlag, 2002.
4 I. Ioannou, C. D. Charalambous, and S. Loyka, "Outage probability under channel distribution uncertainty," IEEE Trans. Inform. Theory, vol. 58, no. 11, pp. 6825-6838, Nov. 2012.   DOI
5 T. M. Cover and J. A. Thomas, Elements of Information Theory. New York, NY: J. Wiley & Sons, 1991.
6 E. Biglieri, Coding for Wireless Channels. New York, NY: Springer, 2005.
7 E. Biglieri, "Spectrum sensing under uncertain channel modeling," J. Commun. Netw., vol. 14, no. 3, pp. 225-229, June 2012.   DOI
8 J. J. Boutros, A. Guillen i Fabregas, E. Biglieri, and G. Zemor, "Lowdensity parity-check codes for nonergodic block-fading channels," IEEE Trans. Inf. Theory, vol. 56, no. 9, pp. 4286-4300, Sept. 2010.   DOI
9 E. T. Copson, Asymptotic Expansions. Cambridge University Press, 1965.
10 E. Malkamäki and H. Leib, "Coded diversity on block-fading channels," IEEE Trans. Inf. Theory, vol. 45, no. 2, pp. 771-781, Mar. 1999.   DOI
11 J. E. Smith, "Generalized Chebychev inequalities: Theory and applications in decision analysis," Operations Research, vol. 43, no. 5, pp. 807-825, Sept.-Oct. 1995.   DOI
12 P. S. Hall and Y. Hao, "Antennas and propagation for body-centric wireless communications," in Proc. EuCAP, 2006, pp. 1-7.
13 S. Ullah et al., "A comprehensive survey of wireless body area networks-On PHY, MAC, and network layers solutions," J. Med. Syst., vol. 36, no. 3, pp. 1065-1094, June 2012.   DOI
14 G.-Z. Yang (Ed.), Body Sensor Networks. London, UK: Springer, 2006.
15 A. Alomainy et al., "Statistical analysis and performance evaluation for on-body radio propagation with microstrip patch antennas," IEEE Trans. Antennas Propag., vol. 55, no. 1, pp. 245-248, Jan. 2007.   DOI
16 K. Ghanem and P. S. Hall, "Power and bit allocation in on-body channels using MIMO antenna arrays," IEEE Trans. Veh. Technol., vol. 62, no. 1, pp. 404-408, Jan. 2013.   DOI
17 K. Ghanem, I. Khan, P. Hall, and L. Hanzo, "MIMO stochastic model and capacity evaluation of on-body channels," IEEE Trans. Antennas Propag., vol. 60, no. 6, pp. 2980-2986, June 2012.   DOI
18 A. Fort, C. Desset, P. Wambacq, and L. V. Biesen, "Indoor body-area channel model for narrowband communications," IET Microw. Antennas Propag., vol. 1, no. 6, pp. 1197-1203, Dec. 2007.   DOI
19 Y. I. Nechayev and P. S. Hall, "Multipath fading of on-body propagation channel," in Proc. IEEE Int. AP-S Symposium-USNC/URSI Nat. Radio Sci. Meeting, San Diego, July 2008, pp. 1-4.