Application of Diversity Technique to the Beamforming System for Mobile Communication

  • 류길현 (경북대학교 전자공학과 음성신호처리) ;
  • 홍재근 (경북대학교 전자공학과 음성신호처리)
  • Published : 2003.03.01

Abstract

A space diversity technique was applied to the conventional optimal beamforming structure using antenna arrays at the base station receiver in the wireless mobile communication system to get performance enhancement due to interference rejection and fading resistance ability of it. To demonstrate the benefit of proposed system, we derived output signal to interference plus noise ratio (SINR) of combined signal from all sub-array groups considering the fading effects and compared with the beamforming-only system. From the analysis and simulation results, we showed that the proposed system can provide high performance gain under Rayleigh fading channel.

Keywords

References

  1. A. F. Naguib and A. Paulraj, 'Performance of wireless CDMA with M-ary orthogonal modulation and cell site antenna arrays,' IEEE J. Select. Areas. Commun., vol. 14, no 9, Dec. 1996
  2. J. G. Proakis, Digital Communications. McGraw-HiII, 1995
  3. T. S. Rappaport, Wireless Communications. Prentice-HaII, 1996
  4. K. H. Yu, S. M. Lee, H. J. Choi, 'Performance evaluation of channel estimation and interference cancel lation techniques for multiuser with transmitter diversity system,' J. Korean Inst. Commun. Sci., vol. 27, no. 7A, PP. 641-650, 2002
  5. J. C. Liberti, Jr. and T. S. Rappaport, Smart Antennas for Wireless Communications: 1S-95 and Third Gerneration CDMA Applications, Prentice-HaII, 1999
  6. S. Haykin, Adaptive Filter Theory. Prentice-HaII, 1996
  7. O. L. Frost, 'An algorithm for linearly constrained adaptive array processing,' Proc. IEEE, vol. 60, no. 8, Aug.1972
  8. L. C. Godara, 'Application of antenna arrays to mobile communicati ons, part II: beam-forming and direction-of-arrival considerations,' Proc. IEEE, vol. 85, no. 8, pp. 1195-1245, Aug. 1997 https://doi.org/10.1109/5.622504
  9. L. C. Godara, 'Error analysis of the optimal antenna array processors,'IEEE Trans. Aerosp. E/ectron. Syst., vol. AES-22, no. 4, Jul. 1986
  10. J. H. Winter, 'Optimum combining in digital mobile radio with cochannel interference,' IEEE J. Select. Areas. Commun.. vol. SAC-2, no. 4, Jul. 1984