A method comprising: processing a first signal to produce a channel estimate in respect of a first cell, the channel estimate comprising a plurality of taps; removing certain taps from the channel estimate to leave remaining taps and then producing an interference cancellation component from the remaining taps; characterised in that the method further comprises: performing first signal detection of a to be detected cell operating on a same frequency as the first cell based on a second signal obtained as the first signal minus the interference cancellation component to produce a first signal detection result; performing second signal detection of the to be detected cell based on the first signal without having subtracted the interference cancellation component to produce a second signal detection result; selecting between the first signal detection result and the second signal detection result; wherein: performing first signal detection comprises performing channel estimation based on said second signal to produce a first channel estimate comprising a plurality of taps and removing certain taps to produce a first post-processed channel estimate; and performing second signal detection comprises performing channel estimation using the first signal without having subtracted the interference component to produce a second channel estimate comprising a plurality of taps and removing certain taps to produce a second post-processed channel estimate. processing a first signal to produce a channel estimate in respect of a first cell, the channel estimate comprising a plurality of taps; removing certain taps from the channel estimate to leave remaining taps and then producing an interference cancellation component from the remaining taps; characterised in that the method further comprises: performing first signal detection of a to be detected cell operating on a same frequency as the first cell based on a second signal obtained as the first signal minus the interference cancellation component to produce a first signal detection result; performing second signal detection of the to be detected cell based on the first signal without having subtracted the interference cancellation component to produce a second signal detection result; selecting between the first signal detection result and the second signal detection result; performing first signal detection of a to be detected cell operating on a same frequency as the first cell based on a second signal obtained as the first signal minus the interference cancellation component to produce a first signal detection result; performing second signal detection of the to be detected cell based on the first signal without having subtracted the interference cancellation component to produce a second signal detection result; selecting between the first signal detection result and the second signal detection result; wherein: performing first signal detection comprises performing channel estimation based on said second signal to produce a first channel estimate comprising a plurality of taps and removing certain taps to produce a first post-processed channel estimate; and performing second signal detection comprises performing channel estimation using the first signal without having subtracted the interference component to produce a second channel estimate comprising a plurality of taps and removing certain taps to produce a second post-processed channel estimate. performing first signal detection comprises performing channel estimation based on said second signal to produce a first channel estimate comprising a plurality of taps and removing certain taps to produce a first post-processed channel estimate; and performing second signal detection comprises performing channel estimation using the first signal without having subtracted the interference component to produce a second channel estimate comprising a plurality of taps and removing certain taps to produce a second post-processed channel estimate.