Patent ID: 8831046

Claim:
A communication terminal, comprising: a Radio Frequency (RF) unit, which is operative to receive signals at least from a Serving Base Station (SBS) that serves the terminal in a wireless communication network; and a baseband processor, which is configured to receive from the SBS via the RF unit a downlink message comprising a field, in which the SBS specifies to the terminal an extent of synchronization between the SBS and at least one other Base Station (BS) of the wireless communication network, and to process the received signals, responsively to the extent of the synchronization specified in the field of the downlink message, so as to cancel interference signals transmitted by the at least one other BS, wherein the signals received from the SBS comprise a sequence of time frames including zones, and wherein the field in the received downlink message indicates that the SBS and the at least one other BS are zone synchronized with one another.