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Pilot and traffic based channel estimation for DS/CDMA systems

Pilot and traffic based channel estimation for DS/CDMA systems

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A scheme for channel impulse response estimation is proposed for next generation DS/CDMA systems where a pilot channel is simultaneously transmitted with a traffic channel in the reverse link. Through analysis and simulation, the proposed scheme is found to significantly improve channel estimation accuracy and BER performance.

References

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      • F. Adachi , K. Ohno , A. Higashi , T. Dohi , Y. Okumura . Coherent multicode DS-CDMA mobile radio access. IEICE Trans. Commun. , 1316 - 1325
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      • Ling, F.: `Coherent detection with reference-symbol based channel estimation fordirect sequence CDMA uplink communications', IEEE Proc. VTC '93, May 1993, p. 400–403.
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      • M. Benthin , K. Kammeyer . Influence of channel estimation on the performance of a coherent DS-CDMAsystem. IEEE Trans. Veh. Technol. , 2 , 262 - 268
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