Signal reception method and device

Claim 1

A method of receiving a signal transmitted by a source with an array of antennas, in which a plurality of beam signals are obtained by weighting the signals received by the different antennas, comprising: correlating each of the beam signals with a replica of a reference signal transmitted by the source to generate correlation results; combining the beam signals using coefficients obtained by the correlation results; and obtaining the coefficients based on the matrix operation γ=Ω −1 α* where γ=(γ 0 , . . . ,γ L−1 ) T is the vector of the coefficients, α=(α 0 , . . . ,α L−1 ) T is the vector of the correlation results, L is the number of beams, and Ω is a matrix of size L×L whose coefficients are a function of the correlation of gain functions relating to the different beams.

Claim 2

A method of receiving a signal transmitted by a source with an array of antennas, in which a plurality of beam signals are obtained by weighting the signals received by the different antennas, comprising: correlating each of the beam signals with a replica of a reference signal transmitted by the source to generate correlation results; combining the beam signals using coefficients obtained by the correlation results; and obtaining the coefficients based on the matrix operation γ=Ω −1 α* where γ=(γ 0 , . . . ,γ L−1 ) T is the vector of the coefficients, α=(α 0 , . . . ,α L−1 ) T is the vector of the correlation results, L is the number of beams, and Ω is a matrix of size L×L whose coefficients are a function of the correlation of gain functions relating to the different beams.

Claim 16

An apparatus for receiving a signal transmitted by a source, comprising means for implementing the method according to one of claims 1 - 14 .

Claim 17

A method of receiving, with an array of antennas, signals transmitted by a plurality of sources, in which a plurality of beam signals are obtained by weighting the signals received by the different antennas, comprising: for each source, correlating the said beam signals with a replica of a reference signal transmitted by the source to generate correlation results; combining the beam signals using coefficients obtained from the correlation results; and for each source S m , obtaining the coefficients based on the matrix operation γ m =Ω −1 (α m )* where γ m = ( γ 0 m , …  , γ L - 1 m ) T is the vector of the coefficients for the source S m , α m =(α 0 m , . . . ,α L−1 m ) T is the vector of the correlation results, L is the number of beams, and Ω is a matrix of size L×L whose coefficients are a function of the correlation of gain functions relating to the different beams.

Claim 18

A method of receiving, with an array of antennas, signals transmitted by a plurality of sources, in which a plurality of beam signals are obtained by weighting the signals received by the different antennas, comprising: for each source, correlating the said beam signals with a replica of a reference signal transmitted by the source to generate correlation results; combining the beam signals using coefficients obtained from the correlation results; and for each source S m , obtaining the coefficients based on the matrix operation γ m =Ω −1 (α m )* where γ m = ( γ 0 m , …  , γ L - 1 m ) T is the vector of the coefficients for the source S m , α m =(α 0 m , . . . ,α L−1 m ) T is the vector of the correlation results, L is the number of beams, and Ω is a matrix of size L×L whose coefficients are a function of the correlation of gain functions relating to the different beams.

Claim 22

An apparatus for receiving signals transmitted by a plurality of sources, comprising means for implementing the method according to one of claims 15 - 18 .