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Interference avoidance for DS-CDMA with limited feedback

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2 Author(s)
Santipach, Wiroonsak ; Dept. of Electr. & Comput. Eng., Northwestern Univ., Evanston, IL, USA ; Honig, M.L.

The performance of a direct sequence (DS)-code division multiple access (CDMA) link with limited feedback in the presence of random interferers is analyzed in this paper. We evaluate the performance of a reduced-rank (RR) signature optimization scheme with a linear minimum mean squared error (MMSE) receiver, and subsequently account for the feedback quantization error. The performance is compared with a random vector quantization scheme for signature selection, which gives an upper bound on large system performance.

Published in:

Information Theory, 2003. Proceedings. IEEE International Symposium on

Date of Conference:

29 June-4 July 2003