Wideband code-division-multiple access system and method

Claim 1

An improvement to a wideband code-division-multiple-access (W-CDMA) system, comprising: a W-CDMA transmitter, said W-CDMA transmitter including, an in-phase-data-product device for multiplying an in-phase-data (IDATA) signal with a data-chip-sequence signal, thereby generating an IDATA-spread-spectrum signal; a quadrature-phase-data-product device for multiplying a quadrature-phase-data (QDATA) signal with the data-chip-sequence signal, thereby generating a QDATA-spread-spectrum signal; equalization-chip means for outputting an equalization-chip-sequence signal; an in-phase combiner, coupled to said in-phase-data-product device and to said equalization-chip means, for linearly combining the IDATA-spread-spectrum signal and the equalization-chip-sequence signal, to generate an in-phase-combined-spread-spectrum signal; a quadrature-phase combiner, coupled to said quadrature-phase-data-product device and to said equalization-chip means, for linearly combining the QDATA-spread-spectrum signal, and the equalization-chip-sequence signal, to generate the quadrature-phase-combined-spread-spectrum signal; a quadrature-phase-shift-keyed (QPSK) modulator, coupled to said in-phase combiner and to said quadrature-phase combiner, for QPSK modulating the in-phase-combined-spread-spectrum signal with the quadrature-phase-combined-spread-spectrum signal, thereby generating a QPSK-spread-spectrum signal; a power amplifier, coupled to said QPSK modulator, for amplifying the QPSK-spread-spectrum signal; a transmitter antenna, coupled to said power amplifier, for radiating the amplified QPSK-spread-spectrum signal over a communications channel; a W-CDMA receiver, said W-CDMA receiver including, a receiver antenna for coupling the W-CDMA receiver to the communications channel; in-phase-punctual-equalization (IPE) means, coupled to said receiver antenna, for despreading an in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-in-phase-punctual-equalization signal (RIEQ P ); first in-phase-late-equalization (ILE) means, coupled to said receiver antenna, for despreading, a first portion of a chip late, the in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-equalization signal (RIEQ L1 ); quadrature-phase-punctual-equalization (QPE) means, coupled to said receiver antenna, for despreading a quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-quadrature-phase-punctual-equalization signal (RQEQ P ); first quadrature-phase-late-equalization (QLE) means, coupled to said receiver antenna, for despreading, the first portion of the chip late, the quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-equalization signal (RQEQ L1 ); in-phase-punctual-data (IPD) means, coupled to said receiver antenna, for despreading the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-in-phase-punctual-data signal (RIDATA P ); first in-phase-late-data (ILD) means, coupled to said receiver antenna, for despreading, the first portion of the chip late, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-data signal (RIDATA L1 ); quadrature-phase-punctual-data (QPD) means, coupled to said receiver antenna, for despreading the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-quadrature-phase-punctual-data signal (RQDATA P ); first quadrature-phase-late-data (QLD) means, coupled to said receiver antenna, for despreading, the first portion of the chip late, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-data signal (RQDATA L1 ); and a processor for determining a first punctual-equalization signal (EQ1 P ) from the received-in-phase-punctual-equalization signal (RIEQ P ) plus the received-quadrature-phase-punctual-equalization signal (RQEQ P ), for determining a second punctual-equalization signal (EQ2 P ) from the received-quadrature-phase-punctual-equalization signal (RQEQ P ) minus the received-in-phase-punctual-equalization signal (RIEQ P ), for determining a first late-equalization signal (EQ1 L ) from the first received-in-phase-late-equalization signal (RIEQ L1 ) plus the first received-quadrature-phase-late-equalization signal (RQEQ L1 ), for determining a second late-equalization signal (EQ2 L ) from the first received-quadrature-phase-late-equalization signal (RQEQ L1 ) minus the first received-in-phase-late-equalization signal (RIEQ L1 ), for determining an in-phase-punctual-data signal (IDATA P ) from the received-in-phase-punctual-data signal (RIDATA P ) times the first punctual-equalization signal (EQ1 P ), plus the received-quadrature-phase-punctual-data signal (RQDATA P ) times the second punctual-equalization signal (EQ2 P ), for determining a quadrature-phase-punctual-data signal (QDATA P ) from the received-quadrature-phase-punctual-data signal (RQDATA P ) times the first punctual-equalization signal (EQ1 P ), minus the received-in-phase-punctual-data signal (RIDATA P ) times the second punctual-equalization signal (EQ2 P ), for determining a first in-phase-late-data signal (IDATA L1 ) from the first received-in-phase-late-data signal (RIDATA L1 ) times the first late-equalization signal (EQ1 L ), plus the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the second late-equalization signal (EQ2 L ), for determining a first quadrature-phase-late-data signal (QDATA L1 ) from the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the first late-equalization signal (EQ 1 L ), minus the first received-in-phase-late-data signal (RIDATA L1 ) times the second late-equalization signal (EQ2 L ), for determining an output-in-phase-data signal (IDATA O ) from IDATA O =IDATA L1 +IDATA P and for, determining an output-quadrature-phase-data signal (QDATA O ) from QDATA O =QDATA L1 +QDATA P .

Claim 6

A method using wideband code-division-multiple-access (W-CDMA) transmitter and a W-CDMA receiver, comprising the steps of: multiplying, at said W-CDMA transmitter, an in-phase-data (IDATA) signal with a data-chip-sequence signal, thereby generating an IDATA-spread-spectrum signal; multiplying, at said W-CDMA transmitter, a quadrature-phase-data (QDATA) signal with the data-chip-sequence signal, thereby generating a QDATA-spread-spectrum signal; generating, at said W-CDMA transmitter, an equalization-chip-sequence signal; combining, linearly, at said W-CDMA transmitter, the IDATA-spread-spectrum signal and the equalization-chip-sequence signal, to generate an in-phase-combined-spread-spectrum signal; combining, linearly, at said W-CDMA transmitter, the QDATA-spread-spectrum signal, and the equalization-chip-sequence signal, to generate the quadrature-phase-combined-spread-spectrum signal; QPSK modulating, at said W-CDMA transmitter, the in-phase-combined-spread-spectrum signal with the quadrature-phase-combined-spread-spectrum signal, thereby generating a QPSK-spread-spectrum signal; radiating, at said W-CDMA transmitter, the amplified QPSK-spread-spectrum signal over a communications channel; despreading, at said W-CDMA receiver, an in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-in-phase-punctual-equalization signal (RIEQ P ); despreading, a first portion of a chip late, at said W-CDMA receiver, the in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-equalization signal (RIEQ L1 ); despreading, at said W-CDMA receiver, a quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-quadrature-phase-punctual-equalization signal (RQEQ P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-equalization signal (RQEQ L1 ); despreading, at said W-CDMA receiver, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-in-phase-punctual-data signal (RIDATA P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-data signal (RIDATA L1 ); despreading, at said W-CDMA receiver, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-quadrature-phase-punctual-data signal (RQDATA P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-data signal (RQDATA L1 ); determining, at said W-CDMA receiver, a first punctual-equalization signal (EQ1 P ) from the received-in-phase-punctual-equalization signal (RIEQ P ) plus the received-quadrature-phase-punctual-equalization signal (RQEQ P ); determining, at said W-CDMA receiver, a second punctual-equalization signal (EQ2 P ) from the received-quadrature-phase-punctual-equalization signal (RQEQ P ) minus the received-in-phase-punctual-equalization signal (RIEQ P ); determining, at said W-CDMA receiver, a first late-equalization signal (EQ1 L ) from the first received-in-phase-late-equalization signal (RIEQ L1 ) plus the first received-quadrature-phase-late-equalization signal (RQEQ L1 ); determining, at said W-CDMA receiver, a second late-equalization signal (EQ2 L ) from the first received-quadrature-phase-late-equalization signal (RQEQ L1 ) minus the first received-in-phase-late-equalization signal (RIEQ L1 ); determining, at said W-CDMA receiver, an in-phase-punctual-data signal (IDATA P ) from the received-in-phase-punctual-data signal (RIDATA P ) times the first punctual-equalization signal (EQ1 P ), plus the received-quadrature-phase-punctual-data signal (RQDATA P ) times the second punctual-equalization signal (EQ2 P ); determining, at said W-CDMA receiver, a quadrature-phase-punctual-data signal (QDATA P ) from the received-quadrature-phase-punctual-data signal (RQDATA P ) times the first punctual-equalization signal (EQ1 P ), minus the received-in-phase-punctual-data signal (RIDATA P ) times the second punctual-equalization signal (EQ2 P ); determining, at said W-CDMA receiver, a first in-phase-late-data signal (IDATA L1 ) from the first received-in-phase-late-data signal (RIDATA L1 ) times the first late-equalization signal (EQ1 L ), plus the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the second late-equalization signal (EQ2 L ); determining, at said W-CDMA receiver, a first quadrature-phase-late-data signal (QDATA L1 ) from the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the first late-equalization signal (EQ1 L ), minus the first received-in-phase-late-data signal (RIDATA L1 ) times the second late-equalization signal (EQ2 L ); determining, at said W-CDMA receiver, an output-in-phase-data signal (IDATA O ) from IDATA O =IDATA L1 +IDATA P ; and determining, at said W-CDMA receiver, an output quadrature-phase-data signal (QDATA O ) from QDATA O =QDATA L1 +QDATA P .

Claim 7

A method using wideband code-division-multiple-access (W-CDMA) transmitter and a W-CDMA receiver, comprising the steps of: multiplying, at said W-CDMA transmitter, an in-phase-data (IDATA) signal with a data-chip-sequence signal, thereby generating an IDATA-spread-spectrum signal; multiplying, at said W-CDMA transmitter, a quadrature-phase-data (QDATA) signal with the data-chip-sequence signal, thereby generating a QDATA-spread-spectrum signal; generating, at said W-CDMA transmitter, an equalization-chip-sequence signal; combining, linearly, at said W-CDMA transmitter, the IDATA-spread-spectrum signal and the equalization-chip-sequence signal, to generate an in-phase-combined-spread-spectrum signal; combining, linearly, at said W-CDMA transmitter, the QDATA-spread-spectrum signal, and the equalization-chip-sequence signal, to generate the quadrature-phase-combined-spread-spectrum signal; QPSK modulating, at said W-CDMA transmitter, the in-phase-combined-spread-spectrum signal with the quadrature-phase-combined-spread-spectrum signal, thereby generating a QPSK-spread-spectrum signal; radiating, at said W-CDMA transmitter, the amplified QPSK-spread-spectrum signal over a communications channel; despreading, at said W-CDMA receiver, an in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-in-phase-punctual-equalization signal (RIEQ P ); despreading, a first portion of a chip late, at said W-CDMA receiver, the in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-equalization signal (RIEQ L1 ); despreading, at said W-CDMA receiver, a quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-quadrature-phase-punctual-equalization signal (RQEQ P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-equalization signal (RQEQ L1 ); despreading, at said W-CDMA receiver, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-in-phase-punctual-data signal (RIDATA P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-data signal (RIDATA L1 ); despreading, at said W-CDMA receiver, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-quadrature-phase-punctual-data signal (RQDATA P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-data signal (RQDATA L1 ); determining, at said W-CDMA receiver, a first punctual-equalization signal (EQ1 P ) from the received-in-phase-punctual-equalization signal (RIEQ P ) plus the received-quadrature-phase-punctual-equalization signal (RQEQ P ); determining, at said W-CDMA receiver, a second punctual-equalization signal (EQ2 P ) from the received-quadrature-phase-punctual-equalization signal (RQEQ P ) minus the received-in-phase-punctual-equalization signal (RIEQ P ); determining, at said W-CDMA receiver, a first late-equalization signal (EQ1 L ) from the first received-in-phase-late-equalization signal (RIEQ L1 ) plus the first received-quadrature-phase-late-equalization signal (RQEQ L1 ); determining, at said W-CDMA receiver, a second late-equalization signal (EQ2 L ) from the first received-quadrature-phase-late-equalization signal (RQEQ L1 ) minus the first received-in-phase-late-equalization signal (RIEQ L1 ); determining, at said W-CDMA receiver, an in-phase-punctual-data signal (IDATA P ) from the received-in-phase-punctual-data signal (RIDATA P ) times the first punctual-equalization signal (EQ1 P ), plus the received-quadrature-phase-punctual-data signal (RQDATA P ) times the second punctual-equalization signal (EQ2 P ); determining, at said W-CDMA receiver, a quadrature-phase-punctual-data signal (QDATA P ) from the received-quadrature-phase-punctual-data signal (RQDATA P ) times the first punctual-equalization signal (EQ1 P ), minus the received-in-phase-punctual-data signal (RIDATA P ) times the second punctual-equalization signal (EQ2 P ); determining, at said W-CDMA receiver, a first in-phase-late-data signal (IDATA L1 ) from the first received-in-phase-late-data signal (RIDATA L1 ) times the first late-equalization signal (EQ1 L ), plus the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the second late-equalization signal (EQ2 L ); determining, at said W-CDMA receiver, a first quadrature-phase-late-data signal (QDATA L1 ) from the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the first late-equalization signal (EQ1 L ), minus the first received-in-phase-late-data signal (RIDATA L1 ) times the second late-equalization signal (EQ2 L ); determining, at said W-CDMA receiver, an output-in-phase-data signal (IDATA O ) from IDATA O =IDATA L1 +IDATA P ; and determining, at said W-CDMA receiver, an output quadrature-phase-data signal (QDATA O ) from QDATA O =QDATA L1 +QDATA P .

Claim 16

A method for improving a wideband code-division-multiple-access (W-CDMA) receiver for receiving a QPSK-spread-spectrum signal comprising an in-phase-combined-spread-spectrum signal and a quadrature-phase-combined-spread-spectrum signal, with the in-phase-combined-spread-spectrum signal including an equalization-chip-sequence signal combined with an in-phase-data signal spread-spectrum processed with a data-chip-sequence signal, and with the quadrature-phase-combined-spread-spectrum signal including an equalization-chip-sequence signal combined with a quadrature-phase-data signal spread-spectrum processed with the data-chip-sequence signal, comprising the steps of: despreading, at said W-CDMA receiver, an in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-in-phase-punctual-equalization signal (RIEQ P ); despreading, a first portion of a chip late, at said W-CDMA receiver, the in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-equalization signal (RIEQ L1 ); despreading, at said W-CDMA receiver, a quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-quadrature-phase-punctual-equalization signal (RQEQ P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-equalization signal (RQEQ L1 ); despreading, at said W-CDMA receiver, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-in-phase-punctual-data signal (RIDATA P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-data signal (RIDATA L1 ); despreading, at said W-CDMA receiver, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-quadrature-phase-punctual-data signal (RQDATA P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-data signal (RQDATA L1 ); determining, at said W-CDMA receiver, a first punctual-equalization signal (EQ1 P ) from the received-in-phase-punctual-equalization signal (RIEQ P ) plus the received-quadrature-phase-punctual-equalization signal (RQEQ P ); determining, at said W-CDMA receiver, a second punctual-equalization signal (EQ2 P ) from the received-quadrature-phase-punctual-equalization signal (RQEQ P ) minus the received-in-phase-punctual-equalization signal (RIEQ P ); determining, at said W-CDMA receiver, a first late-equalization signal (EQ1 L ) from the first received-in-phase-late-equalization signal (RIEQ L1 ) plus the first received-quadrature-phase-late-equalization signal (RQEQ L1 ); determining, at said W-CDMA receiver, a second late-equalization signal (EQ2 L ) from the first received-quadrature-phase-late-equalization signal (RQEQ L1 ) minus the first received-in-phase-late-equalization signal (RIEQ L1 ); determining, at said W-CDMA receiver, an in-phase-punctual-data signal (IDATA P ) from the received-in-phase-punctual-data signal (RIDATA P ) times the first punctual-equalization signal (EQ1 P ), plus the received-quadrature-phase-punctual-data signal (RQDATA P ) times the second punctual-equalization signal (EQ2 P ); determining, at said W-CDMA receiver, a quadrature-phase-punctual-data signal (QDATA P ) from the received-quadrature-phase-punctual-data signal (RQDATA P ) times the first punctual-equalization signal (EQ1 P ), minus the received-in-phase-punctual-data signal (RIDATA P ) times the second punctual-equalization signal (EQ2 P ); determining, at said W-CDMA receiver, a first in-phase-late-data signal (IDATA L1 ) from the first received-in-phase-late-data signal (RIDATA L1 ) times the first late-equalization signal (EQ 1 L ), plus the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the second late-equalization signal (EQ2 L ); determining, at said W-CDMA receiver, a first quadrature-phase-late-data signal (QDATA L1 ) from the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the first late-equalization signal (EQ 1 L ), minus the first received-in-phase-late-data signal (RIDATA L1 ) times the second late-equalization signal (EQ2 L ); determining, at said W-CDMA receiver, an output-in-phase-data signal (IDATA O ) from IDATA O =IDATA L1 +IDATA P ; and determining, at said W-CDMA receiver, an output quadrature-phase-data signal (QDATA O ) from QDATA O =QDATA L1 +QDATA P .

Claim 17

A method for improving a wideband code-division-multiple-access (W-CDMA) receiver for receiving a QPSK-spread-spectrum signal comprising an in-phase-combined-spread-spectrum signal and a quadrature-phase-combined-spread-spectrum signal, with the in-phase-combined-spread-spectrum signal including an equalization-chip-sequence signal combined with an in-phase-data signal spread-spectrum processed with a data-chip-sequence signal, and with the quadrature-phase-combined-spread-spectrum signal including an equalization-chip-sequence signal combined with a quadrature-phase-data signal spread-spectrum processed with the data-chip-sequence signal, comprising the steps of: despreading, at said W-CDMA receiver, an in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-in-phase-punctual-equalization signal (RIEQ P ); despreading, a first portion of a chip late, at said W-CDMA receiver, the in-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-equalization signal (RIEQ L1 ); despreading, at said W-CDMA receiver, a quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a received-quadrature-phase-punctual-equalization signal (RQEQ P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the quadrature-phase component of the equalization-chip-sequence signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-equalization signal (RQEQ L1 ); despreading, at said W-CDMA receiver, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-in-phase-punctual-data signal (RIDATA P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the IDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-in-phase-late-data signal (RIDATA L1 ); despreading, at said W-CDMA receiver, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal as a received-quadrature-phase-punctual-data signal (RQDATA P ); despreading, the first portion of the chip late, at said W-CDMA receiver, the QDATA-spread-spectrum signal embedded in the QPSK-spread-spectrum signal, as a first received-quadrature-phase-late-data signal (RQDATA L1 ); determining, at said W-CDMA receiver, a first punctual-equalization signal (EQ1 P ) from the received-in-phase-punctual-equalization signal (RIEQ P ) plus the received-quadrature-phase-punctual-equalization signal (RQEQ P ); determining, at said W-CDMA receiver, a second punctual-equalization signal (EQ2 P ) from the received-quadrature-phase-punctual-equalization signal (RQEQ P ) minus the received-in-phase-punctual-equalization signal (RIEQ P ); determining, at said W-CDMA receiver, a first late-equalization signal (EQ1 L ) from the first received-in-phase-late-equalization signal (RIEQ L1 ) plus the first received-quadrature-phase-late-equalization signal (RQEQ L1 ); determining, at said W-CDMA receiver, a second late-equalization signal (EQ2 L ) from the first received-quadrature-phase-late-equalization signal (RQEQ L1 ) minus the first received-in-phase-late-equalization signal (RIEQ L1 ); determining, at said W-CDMA receiver, an in-phase-punctual-data signal (IDATA P ) from the received-in-phase-punctual-data signal (RIDATA P ) times the first punctual-equalization signal (EQ1 P ), plus the received-quadrature-phase-punctual-data signal (RQDATA P ) times the second punctual-equalization signal (EQ2 P ); determining, at said W-CDMA receiver, a quadrature-phase-punctual-data signal (QDATA P ) from the received-quadrature-phase-punctual-data signal (RQDATA P ) times the first punctual-equalization signal (EQ1 P ), minus the received-in-phase-punctual-data signal (RIDATA P ) times the second punctual-equalization signal (EQ2 P ); determining, at said W-CDMA receiver, a first in-phase-late-data signal (IDATA L1 ) from the first received-in-phase-late-data signal (RIDATA L1 ) times the first late-equalization signal (EQ 1 L ), plus the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the second late-equalization signal (EQ2 L ); determining, at said W-CDMA receiver, a first quadrature-phase-late-data signal (QDATA L1 ) from the first received-quadrature-phase-late-data signal (RQDATA L1 ) times the first late-equalization signal (EQ 1 L ), minus the first received-in-phase-late-data signal (RIDATA L1 ) times the second late-equalization signal (EQ2 L ); determining, at said W-CDMA receiver, an output-in-phase-data signal (IDATA O ) from IDATA O =IDATA L1 +IDATA P ; and determining, at said W-CDMA receiver, an output quadrature-phase-data signal (QDATA O ) from QDATA O =QDATA L1 +QDATA P .