Patent ID: 8254431

Claim:
A wireless transmit/receive unit (WTRU) for carrier-offset recovery during reception of a communication signal over an air interface using a reduced pilot signal, the WTRU comprising: a receiver for receiving at least one of a plurality of digital spread spectrum channels in a wireless communication, the receiver comprising: a hard decision processor in association with a complex conjugate processor configured to receive at least one despread channel signal of a selected channel and to produce a phase correction signal; a multiple input phase-locked loop (PLL) configured to utilize a plurality of pseudo pilot signals for producing a carrier phase correction signal used for performing the carrier offset correction at a chip level or at a symbol level; a mixer configured to mix the phase correction signal with a filter weighting signal to remove a relative phase error from the filter weighting signal and to produce a weighting signal; and an adaptive matched filter configured to receive the communication signal and to produce a filtered signal by using the weighting signal produced from the phase correction signal.