Wireless speech and data transmission

A power amplifier module comprising:

• a first amplifier to amplify a voice call for transmission over a first output branch;
• a second amplifier to amplify a data call for transmission over a second output branch;
• a coupler circuit to combine the first and second output branches for transmission over a wireless interface associated with a mobile wireless communication device;
• and
• means for coupling a phase-shifted version of the voice call to the second amplifier when required transmit power for the voice call exceeds a threshold.

A power amplifier/antenna module comprising:

• a first amplifier to amplify a voice call for transmission over a first output branch;
• a second amplifier to amplify a data call for transmission over a second output branch;
• a radio frequency antenna for a wireless interface associated with a mobile wireless communication device;
• a coupler circuit to combine the firs:
• and second output branches for transmission over the antenna;
• and
• a switch that couples a phase-shifted version of the voice call to the second amplifier when required transmit power the voice call exceeds a threshold.

A digital signal processing module comprising:

• a voice call transmission unit to generate a voice call for transmission via a first output branch;
• a data call transmission unit to generate a data call for transmission via a second output branch;
• a phase shifter to generate a phase-shifted version of the voice call;
• and
• at least one a switch to decouple the data call from the second output branch and couple the phase-shifted version of the voice call to the second output branch when required transmit power for the voice call exceeds a threshold.

A method comprising:

• transmitting a voice call via a first output branch;
• transmitting a data call via a second output branch;
• combining the first and second output branches for transmission over a wireless interface associated with a mobile wireless communication device;
• decoupling the data call from the second output branch when required transmit power for the voice call exceeds a threshold;
• and
• transmitting the voice call via both the first and second output branches when required transmit power for the voice call exceeds the threshold.

A mobile wireless communication device comprising:

• a first output branch for transmission of a voice call;
• a second output branch for transmission of a data call;
• a coupler circuit to combine the first and second output branches for transmission over a wireless interface associated with a mobile wireless communication device;
• and
• a power control unit to direct decoupling of the call from the second output branch and transmission of the voice call via both the first and second output branches when required transmit power for the voice call exceeds a threshold.

A method comprising:

• transmitting a voice call at a first transmit carrier frequency via a first output branch;
• transmitting a data call at a second transmit carrier frequency via a second output branch;
• controlling a transmit power of the voice call in response to power control data;
• and
• dropping the data call and transmitting the voice call via both the first and second output branches at the first transmit carrier frequency when the transmit power of the voice call exceeds a threshold.

A mobile wireless communication device comprising:

• a first output branch for transmission of a voice call at a first transmit carrier frequency;
• a second output branch for transmission of a data call at a second transmit frequency;
• and
• a power control unit to control a transmit power of the voice call in response to power control data, wherein the power control unit drops the data call and directs transmission of the voice call via both the first and second output branches at the first transmit carrier frequency when the transmit power of the voice call exceeds a threshold.

A wireless communication device comprising:

• means for transmitting a voice call via a first output branch;
• means for transmitting a data call via a second output branch;
• means for combining the first and second output branches for transmission over a wireless interface associated with a mobile wireless communication device;
• means for decoupling the data call from the second output branch when required transmit power for the voice call exceeds a threshold;
• and
• means for transmitting the voice call via both the first and second output branches when required transmit power for the voice call exceeds the threshold.

A power amplifier module comprising:

• a first amplifier to amplify a voice call for transmission over a first output branch;
• a second amplifier to amplify a data call for transmission over a second output branch;
• a first hybrid coupler to pass the voice call to the first amplifier and generate a phase-shifted version of the voice call;
• at least one switch device to couple the phase-shifted version of the voice call to the second amplifier, and decouple the data call from the second amplifier when required transmit power for the voice call exceeds a threshold;
• and
• a second hybrid coupler to combine the first and second output branches for transmission over a wireless interface associated with a mobile wireless communication device.