Wireless link method and system using multiband

A wireless link method using a multiband, the method comprising:

• outputting a signal of each of a first frequency band and a second frequency band higher than the first frequency band using a common baseband module;
• adaptively allocating a control signal and data to at least one low radio frequency (RF) module electrically connected to at least one antenna, and at least one high RF module electrically connected to at least one antenna, based on state information of a wireless channel;
• processing the signal of the first frequency band using the at least one low RF module;
• and
• processing the signal of the second frequency band using the at least one high RF module.

A wireless link system using a multiband, the system comprising:

• a common baseband module to operate in a first frequency band and a second frequency band higher than the first frequency band;
• at least one low radio frequency (RF) module to process a signal output from the common baseband module in the first frequency band;
• at least one high RF module to process a signal output from the common baseband module in the second frequency band;
• a plurality of antennas electrically connected to the at least one low RF module and the at least one high RF module;
• and
• a control unit to adaptively connect the at least one low RF module and the at least one high RF module to an uplink and a downlink based on state information of a wireless channel.

A wireless link method using a multiband, the method comprising:

• outputting a signal of each of a first frequency band and a second frequency band higher than the first frequency band using a common baseband module;
• adaptively connecting, to an uplink and a downlink, at least one low radio frequency (RF) module electrically connected to at least one antenna, and at least one high RF module electrically connected to at least one antenna;
• processing the signal of the first frequency band using the at least one low RF module;
• and
• processing the signal of the second frequency band using the at least one high RF module.