Performance Analysis of Adaptive Modulation and Coding Combined with Transmit Diversity in Next Generation Mobile Communication Systems 


Vol. 27,  No. 12, pp. 1137-1143, Dec.  2002


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  Abstract

In this paper, we combine Adaptive Modulation and Coding (AMC) with Transmit Diversity (TD) to improve the performance of AMC in CDMA systems and verify the throughput gain over AMC. The received Signal to Noise Ratio (SNR) is improved by adopting TD techniques so that a probability of selecting Modulation and Coding Scheme (MCS) level that supports higher data rate is increased. Therefore, higher average throughput can be achieved. In this paper, we consider two TD schemes, Space-Time block coding based Transmit antenna Diversity (STTD) and Selection Transmit Diversity (STD). The results show that higher throughput is achieved by AMC-TD schemes. Compared to the conventional AMC, AMC-STTD scheme shows about 250kbps increase in throughput and AMC-STD with 2 transmit antennas achieves about 420 kbps throughput improvement over the conventional AM at 9dB SNR in flat Rayleigh fading channel.

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  Cite this article

[IEEE Style]

I. Hwang, S. Ro, H. Na, O. Jung, S. kwon, D. Hong, C. Kang, "Performance Analysis of Adaptive Modulation and Coding Combined with Transmit Diversity in Next Generation Mobile Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1137-1143, 2002. DOI: .

[ACM Style]

Intae Hwang, Sangmin Ro, Hyunshik Na, Okhyun Jung, Seongtae kwon, Daesik Hong, and Changeon Kang. 2002. Performance Analysis of Adaptive Modulation and Coding Combined with Transmit Diversity in Next Generation Mobile Communication Systems. The Journal of Korean Institute of Communications and Information Sciences, 27, 12, (2002), 1137-1143. DOI: .

[KICS Style]

Intae Hwang, Sangmin Ro, Hyunshik Na, Okhyun Jung, Seongtae kwon, Daesik Hong, Changeon Kang, "Performance Analysis of Adaptive Modulation and Coding Combined with Transmit Diversity in Next Generation Mobile Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1137-1143, 12. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880