Carrier aggregation radio system

摘要

A carrier aggregation radio system is provided. The carrier aggregation radio system includes a transceiver having a main receiver, a diversity receiver and a carrier aggregation receiver. The carrier aggregation radio system further includes a control system adapted to command a radio front end to route diversity signals from a diversity antenna to the main and diversity receivers in a first mode and to command the radio front end to route carrier aggregation signals from the diversity antenna to the carrier aggregation receiver in a second mode. The control system may also command a third mode in which diversity signals are routed to the main and diversity receivers while carrier aggregation signals are routed to the carrier aggregation receiver.

主权项

1. A carrier aggregation radio system comprising:
a transceiver comprising;
main receiver intermediate frequency (IF) de-modulation and processing circuitry coupled to a first RF mixer that receives a first local oscillator signal to mix with RF signals captured by a main antenna;diversity receiver IF de-modulation and processing circuitry coupled to a second RF mixer that receives a second local oscillator signal to mix with diversity signals captured by a diversity antenna;carrier aggregation receiver IF de-modulation and processing circuitry coupled to a third RF mixer that receives a third local oscillator signal to mix with carrier aggregation signals captured by the diversity antenna; and a control system configured to:
command a radio front end to route diversity signals from the diversity antenna to the main receiver IF de-modulation and processing circuitry and the diversity receiver IF de-modulation and processing circuitry in a first mode;command the radio front end to route carrier aggregation signals from the diversity antenna to the carrier aggregation receiver IF de-modulation and processing circuitry in a second mode; andcommand the radio front end via a third mode in which diversity signals are routed from the diversity antenna to the main receiver IF de-modulation and processing circuitry and the diversity receiver IF de-modulation and processing circuitry while carrier aggregation signals are routed from the diversity antenna to the carrier aggregation receiver IF de-modulation and processing circuitry.