A micro-cellular CDMA system over slow and fast Rician fading radio channels with forward error correcting coding and diversity

The microcellular radio environment is characterized by a Rician fading channel. The use of a slotted code division multiple access (CDMA) scheme is considered in single- and multi-microcell systems. The throughput and delay performance of a slotted CDMA network are analyzed for slow and fast Rician fading radio channels using differential phase shift keying (DPSK) modulation. The application of selection diversity (SD) and maximal ratio combining (MRC) improve the performance for both slow and fast fading. It is also shown that the use of forward error correcting (FEC) codes enhances the system performance. Computational results are presented for maximum rms delay spread in the order of 2 mu s and data rates of 32 and 64 kbit/s. A comparative analysis of macro-, micro- and pico-cellular CDMA systems is also presented. >

[1]  H. S. Misser,et al.  Spectrum efficiency of a mobile cellular radio system using direct sequence spread spectrum , 1991, TENCON '91. Region 10 International Conference on EC3-Energy, Computer, Communication and Control Systems.

[2]  W.C.Y. Lee.  Theory of wideband radio propagation , 1991, [1991 Proceedings] 41st IEEE Vehicular Technology Conference.

[3]  Andrew J. Viterbi,et al.  On the capacity of a cellular CDMA system , 1991 .

[4]  L. Kleinrock,et al.  Packet Switching in Radio Channels: Part I - Carrier Sense Multiple-Access Modes and Their Throughput-Delay Characteristics , 1975, IEEE Transactions on Communications.

[5]  Ramjee Prasad,et al.  Performance analysis of direct-sequence spread-spectrum multiple-access communication in an indoor Rician-fading channel with DPSK modulation , 1990 .

[6]  Ramjee Prasad,et al.  Throughput analysis of CDMA with DPSK modulation and diversity in indoor Rician fading radio channels , 1991 .

[7]  D.L. Schilling,et al.  Spread spectrum for commercial communications , 1991, IEEE Communications Magazine.

[8]  C.L. Weber,et al.  Performance considerations of code division multiple-access systems , 1981, IEEE Transactions on Vehicular Technology.

[9]  R. Prasad,et al.  Improved assessment of interference limits in cellular radio performance , 1991 .

[10]  A. Bateman,et al.  An evaluation of direct sequence CDMA for future mobile communication networks , 1991, [1991 Proceedings] 41st IEEE Vehicular Technology Conference.

[11]  John G. Proakis,et al.  Digital Communications , 1983 .

[12]  Klein S. Gilhousen,et al.  On the system design aspects of code division multiple access (CDMA) applied to digital cellular and personal communications networks , 1991, [1991 Proceedings] 41st IEEE Vehicular Technology Conference.

[13]  W. C. Y. Lee,et al.  Overview of cellular CDMA , 1991 .

[14]  Robert J. C. Bultitude,et al.  Propagation characteristics on microcellular urban mobile radio channels at 910 MHz , 1989, IEEE J. Sel. Areas Commun..

[15]  Milton Abramowitz,et al.  Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables , 1964 .

[16]  Philip Harley,et al.  Short distance attenuation measurements at 900 MHz and 1.8 GHz using low antenna heights for microcells , 1989, IEEE J. Sel. Areas Commun..

[17]  W.C.Y. Lee.  Power control in CDMA (cellular radio) , 1991, [1991 Proceedings] 41st IEEE Vehicular Technology Conference.

[18]  M. Green,et al.  Radio Link Communication Reliability: A Three-Part Design Problem , 1959 .

[19]  L. B. Milstein,et al.  Spread spectrum for mobile communications , 1991 .

[20]  Hideki Imai,et al.  Interference cancellation and capacity of a cellular CDMA system based on multihop fast frequency hopping , 1991, [1991 Proceedings] 41st IEEE Vehicular Technology Conference.

[21]  Direct-Sequence Spread Spectrum with DPSK Modulation and Diversity for Indoor Wireless Communications , 1986, ICC.

[22]  R. Steele,et al.  Propagation and Bit Error Ratio Measurements for a Microcellular System , 1987 .

[23]  Ramjee Prasad,et al.  Spectrum efficiency analysis for microcellular mobile radio systems , 1991 .

[24]  Ramjee Prasad,et al.  Spectrum efficiency of microcellular systems , 1991, [1991 Proceedings] 41st IEEE Vehicular Technology Conference.

[25]  S. Seidel,et al.  Path loss and multipath delay statistics in four European cities for 900 MHz cellular and microcellular communications , 1990 .