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dc.contributor.authorWu, Sung-Mingen_US
dc.identifier.citation[1] J. G. Proakis, Digital Communications. McGraw-Hill, 1995. [2] T. S. Rappaport, Wireless Communications: Principles and Practice. Prentice Hall, 1996. [3] T. Mabuchi, R. Kohno, and H. Imai, “Multi-hopping and decoding of error correcting for MFSK/FH-SSMA systems,” IEICE Trans. Commun., vol. E76-B, pp. 874-884, Aug. 1993. [4] G. R. Cooper and R.W. Nettleton, “A spread-spectrum technique for high-capacity mobile communications,” IEEE Trans. Veh. Tech., vol. 27, pp. 264-275, Nov. 1978. [5] T. Eng and L.B. Milstein, “Comparison of hybrid FDMA/CDMA systems in frequency selective Rayleigh fading,” IEEE J. Select. Areas Commun., vol. 12, pp. 938-951, Jun. 1994. [6] Y.R. Tsai and J.F. Chang, “Using frequency hopping spread spectrum technique to combat multipath interference in a multi-accessing environment,” IEEE Trans. Vehicular Technol., vol. 43, no. 2, pp. 211-222, May 1994. [7] G.K. Kaleh, “Frequency-diversity spread-spectrum communication system to counter bandlimited Gaussian interference,” IEEE Trans. Commun., vol. 44, no. 7, pp. 886-893, Jul. 1996. [8] D.J. Goodman, P.S. Henry, and V.K. Prabhu, “Frequency-hopping multilevel FSK for mobile radio,” Bell Syst. Tech. J., vol. 59, no. 7, pp. 1257-1275, Sep. 1980. [9] G.-C. Yang and Wing C. Kwong, “Frequency-hopping codes for multimedia services in mobile telecommunications,” IEEE Trans. Vehicular Technol., vol. 48, no. 6, pp. 1906-1915, Nov. 1999. [10] G.-C. Yang, S.-Y. Lin, and Wing C. Kwong, “MFSK/FH-SSMA wireless systems with double-media services over fading channels,” IEEE Trans. Vehicular Tech., vol. 49, no.3, pp. 900-910, May 2000. [11] G.-C. Yang and W.C. Kwong, Prime Codes with Applications to CDMA Optical and Wireless Networks, Artech House, Norwood, MA, 2002 [12] G.I. Turin, “Introduction to spread spectrum antimultipath techniques and their applications to urban digital radio,” Proc. IEEE, vol. 68, pp. 328-353, Mar. 1980. [13] M. P. Fitton, A. R. Nix and M. A. Beach, “Frequency hopping CDMA for flexible third generation wireless networks,” Global Telecommunications Conference, vol. 9, pp. 1504-1508, Nov.1997. [14] T. S. Rappaport, Wireless Communications: Principles and Practice.Prentice Hall, 1996. [15] Machineni, Hao Shen, and Papandreou-Suppappola, A., “Multi-user schemes using nonlinear time-varying modulation,” IEEE International Conference. vol. 4, pp. 941-944, May 2004. [16] C.-Y. Chang, C.-C. Wang, G.-C. Yang, M.-F. Lin, Y.-S. Liu, and Wing C. Kwong, “Frequency-Hopping CDMA wireless communication systems using prime codes,” in Proc. IEEE 63rd Veh. Technol. Conf., Melbourne, Australia, May 2006, pp.1753-1757. [17] E.L. Titlebaum and L.H Sibul, “Time-frequency hop signals part II: Coding based upon quadratic congruences,” IEEE Trans. Aero. Electron. Sys., vol. 17, no. 4, pp. 494-500, Jul. 1981. [18] M.-F. Lin, G.-C. Yang, C.-Y. Chang and Wing C. Kwong, “Frequency-Hopping CDMA with Reed-Solomon code squences in wireless communications,” IEEE Trans. Commun., vol. 55, no. 11, pp.2052- 2055, Nov. 2007. [19] C.-H. Hsieh, G.-C. Yang, C.-Y. Chang, and Wing C. Kwong, ‘'Constructions on 2D wavelength-time codes for CDMA fiber-optic systems,'' to appear in Proc., IEEE Inter. Conf. Commun., Jun. 2009. [20] T. Mabuchi, R. Kohno and H. Imai, “Multiuser detection scheme based on canceling cochannel interference for MFSK/FH-SSMA system,” IEEE J. Select. Areas Commun., vol. 12, pp. 593-604, May 1994.zh_TW
dc.description.abstractRecently, frequency-hopping code-division multiple-access (FH-CDMA) systems have been widely studied and known to be effective means of communications in combating multipath fading because of their inherent frequency diversity. With the explosive growth of wireless communication techniques, it is expected to be a flexible support of multimedia services (e.g., data, voice, image, and video) in the future wireless communication systems. Therefore, it is very important to design flexible wireless communication systems which can support a variety of data rates and quality-of services (QoS) requirements for these multimedia services, instead of the conventional communication systems which only can support the single media transmissions. In this thesis, we discuss the relationship between modulation codes and frequency hopping (FH) patterns in details. We integrate both codes to increase the number of simultaneous users and reduce the complexity of systems. The newly proposed system offers more flexibility for the design of systems to meet different system requirements.en_US
dc.description.tableofcontentsChinese Abstract i Abstract ii Contents iii List of Figures iv List of Tables vi Chapter 1 Introduction 1 1.1 Background 1 1.1.1 Overview of DS-CDMA System 2 1.1.2 Overview of FH-CDMA System 4 1.2 Motivation and Outline of Thesis 6 Chapter 2 FH-CDMA Wireless Communication Systems 8 2.1 One-Level FH-CDMA System 8 2.2 Two-Level FH-CDMA System 10 2.2 Modified Two-Level FH-CDMA System 17 Chapter 3 Performance Analysis 21 3.1 Analysis of Two-Level FH-CDMA System 21 3.2 Analysis of Modified Two-Level FH-CDMA System 24 3.3 Spectral Efficiency 25 Chapter 4 Numerical Results 26 Chapter 5 Conclusions 33 Appendix A 34 References 35en_US
dc.subjectFrequency Hoppingen_US
dc.titleDesign and Performance Analysis of a Two-Level FH-CDMA Wireless Communication Systemen_US
dc.typeThesis and Dissertationzh_TW
item.fulltextno fulltext-
item.openairetypeThesis and Dissertation-
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