Concurrent transmit and receive

A wireless communication device, comprising:

• an amplification structure;
• a signal combining structure coupled to the amplification structure, the signal combining structure including an antenna and an inductance element to receive at least one amplified signal from the amplification structure;
• and
• a receiving structure coupled to the signal combining structure, the receiving structure to receive at least one antenna signal provided by the antenna,
• wherein the signal combining structure enables the wireless communication device to receive and transmit wireless signals concurrently, receive wireless signals only, and transmit wireless signals only, and
• wherein the signal combining structure includes first and second inductance elements coupled to the antenna, the first and second inductance elements being center tapped by a first switch, the second inductance element being coupled to an impedance coupled in parallel to a second switch.

A method;

• comprising:
• configuring a wireless communication device to a concurrent transmit and receive mode;
• determining that at least a portion of a signal for transmission has been undesirably received by a receiving structure of the wireless communication device;
• and
• adjusting a signal amplification provided by the wireless communication device to mitigate receiving the portion of the signal for transmission at the receiving structure of the wireless communication device;
• wherein the configuring includes simultaneously opening a first switch of a signal combining structure and closing a second switch of the signal combining structure, the signal combining structure including first and second inductance elements coupled to an antenna, the first and second inductance elements being center tapped by the first switch, the second inductance element being coupled to an impedance coupled in parallel to the second switch.

A wireless communication device, comprising:

• an amplification structure including a first amplification element and a second amplification element;
• a processor coupled to provide a control signal to the amplification structure, the control signal to adjust an amount of signal amplification provided by at least one of the first and second amplification elements;
• and
• a signal combining transformer inductively coupled to the amplification structure, the signal combining transformer including an antenna coupled to at least two series coupled inductances, the at least two series coupled inductances being center tapped by a first switch, and at least one of the at least two series coupled inductances coupled to an inductance having a second switch coupled in parallel therewith.

A wireless communication device, comprising:

• an amplification structure;
• a signal combining structure coupled to the amplification structure, the signal combining structure including an antenna and an inductance element to receive at least one amplified signal from the amplification structure;
• and
• a receiving structure coupled to the signal combining structure, the receiving structure to receive at least one antenna signal provided by the antenna,
• wherein the signal combining structure enables the wireless communication device to receive and transmit wireless signals concurrently, receive wireless signals only, and transmit wireless signals only, and
• wherein the receiving structure includes at least two series coupled inductances and a third switch coupled in parallel with the two series coupled inductances, the third switch configured to (1) be in an open state to enable the wireless communication device to receive and transmit wireless signals concurrently, (2) be in a closed state to enable the wireless communication device to transmit wireless signals only, (3) be in an open state to enable the wireless communication device to receive wireless signals only.