Cellular receiver and reception method

Multiplex communications – Communication over free space – Combining or distributing information via code word channels...

Reexamination Certificate

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C370S441000, C375S142000

Reexamination Certificate

active

07088699

ABSTRACT:
The invention relates to a reception method and a receiver in a system comprising in each cell a base station communicating with terminals located in its area. A received signal comprises a sum signal of signals originating from several transmitters. The receiver comprises means for performing interference elimination and a simultaneous multi-user detection to the signal and means for searching signal parameters. In order to reduce the required computational capacity, the receiver further comprises means for removing the effect of the signals of the known users from the receives sum signal, and means for estimating the parameters of the unknown signals from a narrowband residual signal.

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Shimon Moshavi. Multi-User Detection for DS-CDMA Communications. Oct. 1996. IEEE Communications Magazine. pp. 124-136.
Thielecke et al., “Interference Reduction Applied to Channel Estimation in CDMA Systems”, Proc. of Vehicular Tech. Conf., 1994, pp. 752-756.

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