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Performance of antenna array transmission techniques for CDMA

Performance of antenna array transmission techniques for CDMA

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The authors describe and compare techniques which estimate the reverse link channel to set up beamformer weights for antenna array transmission in a code division multiple access (CDMA) system using frequency division duplex (FDD). The results show that a single transmission is more efficient than splitting the power between multiple transmissions, but the algorithms degrade when the angle spread is wide.

References

    1. 1)
      • A.F. Naguib , A. Paulraj , T. Kailath . Capacity improvement with base-station antenna arrays in cellular CDMA. IEEE Trans. Veh. Technol. , 3 , 691 - 698
    2. 2)
      • Salz, J., Winters, J.H.: `Effect of fading correlation on adaptive arrays in digital wireless communications', Proc. IEEE Int. Conf. Commun. (ICC), May 1993, Geneva, Switzerland, p. 1768–1774.
    3. 3)
      • Raleigh, G.G., Diggavi, S.N., Jones, V.K., Paulraj, A.: `A blind adaptive transmit antenna algorithm for wireless communication', Proc. IEEE Int. Conf. Commun. (ICC), June 1995, Seattle, WA, p. 1494–1499.
    4. 4)
      • J.G. Proakis . (1989) Digital Communications.
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