Patent ID: 7177663

Claim:
A multi-mode wireless transmit/receive unit (WTRU) comprising: (a) at least one antenna configured to receive and transmit at least two different types of signals; (b) a first communication mode receiver configured to receive a first type of signal from the antenna; (c) a second communication mode receiver configured to receive a second type of signal from the antenna; (d) a first communication mode transmitter configured to generate and send the first type of signal to the antenna, wherein the first and second communication mode receivers simultaneously receive signals from the antenna, and the first transmitter sends the first type of signal to the antenna while, at the same time, the second receiver receives the second type of signal from the antenna; (e) a triplexer electrically coupled to the first communication mode receiver; (f) a transmit/receive switch electrically coupled to the antenna and the triplexer; (g) a first coupler electrically coupled to the triplexer and the first communication mode transmitter; (h) a second coupler electrically coupled to the triplexer and the second communication mode receiver; (i) a bandpass filter electrically coupled to the first coupler; and (j) a vector multiplier electrically coupled to the bandpass filter and the second coupler, the vector multiplier configured to reduce or eliminate interference of signals received by the second communication mode receiver, the interference being caused by the first communication mode transmitter, wherein the vector multiplier adjusts the phase and amplitude of the interference.