Rapid reference acquisition and phase error compensation for...

Details Rapid reference acquisition and phase error compensation for... Rapid reference acquisition and phase error compensation for...

H - Electricity

04

B

363/17

H04B 7/212 (2006.01) H04B 7/26 (2006.01)

Patent

CA 1295755

Abstract of the Invention The method and apparatus for rapid phase acquisition and random radio channel phase error compensation for a TDMA QPSK receiver is disclosed. Received quadrature signals having a known synchronizing sequence transmitted on one of the vectors is correlated to a local replica of the sequence. The output correlation detection signals are held for the duration of the TDMA timeslot and multiplied by the received quadrature signals to produce two pairs of products. The mutually exclusive product pairs are summed to recover data having the random phase error compensated.

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