Patent ID: 8280427

Claim:
A method comprising: measuring at an apparatus received power of a first signal received from a first entity, and measuring at the apparatus received power of a second signal received from a second entity; determining by the apparatus a gain factor using the measured received powers of the first signal and of the second signal; and forwarding a signal by either: for the case in which transmit power from the apparatus to the second entity is considered as a benchmark, using the gain factor to determine a second signal transmit power and forwarding the second signal from the apparatus to the first entity using the determined second signal transmit power; or for the case in which the transmit power from the apparatus to the first entity is considered as the benchmark, using the gain factor to determine a first signal transmit power and forwarding the first signal from the apparatus to the second entity using the determined first signal transmit power, in which the apparatus comprises at least one relay node comprising M antennas on which the first signal and the second signal are received, and N antennas from which at least one of the first signal and the second signal are forwarded, in which N and M are integers and at least one of M and N is greater than one.