An apparatus (400; 500; 600; 700) for providing a composite beampattern for at least two antenna elements (160- n; 460-n) forming an antenna array coupled to at least two signal branches (410- a) of a signal, the composite beampattern having at least two main lobes (485- m) pointing in different spatial directions, the apparatus comprising: means for forming the composite beampattern for the signal by superimposing at least two individual beampatterns (480- m) provided by the at least two antenna elements (160- n; 460- n), wherein each of at least two individual beampatterns (480- m) has a main lobe (485- m), wherein the at least two main lobes (485- m) of the at least two individual beampatterns (480- m) point in different spatial directions, respectively, and characterized in that the means for forming the composite beampattern comprises an antenna weight processor (415; 515; 615; 715) operable to determine, for each of the at least two signal branches (410- a), a signal branch specific composite weighting coefficient ( w a) for the signal, wherein the antenna weight processor (415; 515; 615; 715) is operable to determine the signal branch specific composite weighting coefficient ( w a) corresponding to a superposition of at least two complex valued main lobe specific weighting coefficients ( w a,m), wherein the antenna weight processor (415; 515; 615; 715) is operable to rotate a phase of a main lobe specific weighting coefficient ( w a,m) by an additional main lobe specific phase rotation quantity ( e jφm),wherein each main lobe specific weighting coefficient ( w a,m) corresponds to a different one of the at least two single main lobes (485- m), wherein the antenna array is coupled to at least three signal branches (410- a) of the signal, and wherein the antenna weight processor (415; 515; 615; 715) is operable to determine at least one additional phase rotation quantity ( e jφ m) corresponding to main lobe m, such that the signal branch specific composite weighting coefficient w a of signal branch a becomes essentially zero in case signal branch a has a malfunction. means for forming the composite beampattern for the signal by superimposing at least two individual beampatterns (480- m) provided by the at least two antenna elements (160- n; 460- n), wherein each of at least two individual beampatterns (480- m) has a main lobe (485- m), wherein the at least two main lobes (485- m) of the at least two individual beampatterns (480- m) point in different spatial directions, respectively, and characterized in that the means for forming the composite beampattern comprises an antenna weight processor (415; 515; 615; 715) operable to determine, for each of the at least two signal branches (410- a), a signal branch specific composite weighting coefficient ( w a) for the signal, wherein the antenna weight processor (415; 515; 615; 715) is operable to determine the signal branch specific composite weighting coefficient ( w a) corresponding to a superposition of at least two complex valued main lobe specific weighting coefficients ( w a,m), wherein the antenna weight processor (415; 515; 615; 715) is operable to rotate a phase of a main lobe specific weighting coefficient ( w a,m) by an additional main lobe specific phase rotation quantity ( e jφm),wherein each main lobe specific weighting coefficient ( w a,m) corresponds to a different one of the at least two single main lobes (485- m), wherein the antenna array is coupled to at least three signal branches (410- a) of the signal, and wherein the antenna weight processor (415; 515; 615; 715) is operable to determine at least one additional phase rotation quantity ( e jφ m) corresponding to main lobe m, such that the signal branch specific composite weighting coefficient w a of signal branch a becomes essentially zero in case signal branch a has a malfunction.