Abstract
This paper introduces an improved antenna arrays (AA) in which the reverse-link synchronous transmission technique (RLSTT) is employed to improve the estimation of covariance matrices at Beam-former-RAKE. By beamforming, the desired user’s signal is enhanced and the co-channel interference (CCI) from other directions is reduced. For in-beam multiple access interference (MAI) reduction, the RLSTT is used in the first RAKE finger. The RLSTT is a robust approach that takes into account the fact that the in-beam MAI statistics at the beam-former may be less valid and lets it be more reliable. Theoretical analysis demonstrates that an increase in system capacity as a function of the number of antennas and the number of interferences.
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References
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© 2002 Springer-Verlag Berlin Heidelberg
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Kim, Y., Hwang, S., Cho, D., Whang, K. (2002). Performance of Antenna Arrays with Reverse-Link Synchronous Transmission Technique for DS-CDMA System in Multipath Fading Channels. In: Chang, W. (eds) Advanced Internet Services and Applications. AISA 2002. Lecture Notes in Computer Science, vol 2402. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45639-2_3
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DOI: https://doi.org/10.1007/3-540-45639-2_3
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