Link aggregation system, protection system, and cross polarization interference cancellation applications for all outdoor radios using wireless channels operating at a licensing-free 60 ghz band

An all outdoor radios link aggregation system using a wireless channel operating at a license-free 60 GHz band, comprising:

• a first radio unit including:
• a first digital data interface configured to receive an upstream digital data, and split the upstream digital data into at least a first sub-stream digital data and a second sub-stream digital data;
• a first rear-end modem configured to receive the first sub-stream digital data, and transmit the first sub-stream digital data to a first rear-end transceiver;
• a first digital wireless controller configured to receive the second sub-stream digital data, encapsulate the second sub-stream digital data into a second sub-stream data packet addressed to a first destination radio unit;
• a first front-end modem configured to convert the second sub-stream data packet into a first downstream data intermediate frequency (IF) signal;
• a first front-end transceiver configured to convert the first downstream data IF signal into a first 60 GHz radio frequency (RF) signal, and amplify the first 60 GHz RF signal;
• and
• a first 60 GHz antenna configured to transmit the first 60 GHz RF signal;
• and
• at least a second radio unit including:
• a second 60 GHz antenna configured to receive the first 60 GHz RF signal;
• a second front-end transceiver configured to amplify the first 60 GHz RF signal, and convert the first 60 GHz RF signal into a second upstream data IF signal;
• a second front-end modem configured to convert the second upstream data IF signal into a second upstream data packet;
• a second wireless controller configured to decapsulate the second upstream data packet, accept the second upstream data packet if the second radio unit is the addressed first destination radio unit, and convert the second upstream data packet into a second upstream digital data;
• a second digital data interface configured to receive the second upstream digital data;
• and
• a second rear-end modem and a second rear-end transceiver configured to transmit the second upstream digital data.

An all outdoor radios system configured with a XPIC application using a wireless channel operating at a license-free 60 GHz band, comprising:

• an antenna coupling unit;
• a first radio unit comprising:
• a first receiver configured to receive a first downstream XPIC IF signal from a first duplexer;
• a first demodulator configured to receive the first downstream XPIC IF signal and a first upstream XPIC IF signal, respectively;
• a first transceiver configured to convert the first downstream XPIC IF signal into a first 60 GHz RF signal, and amplify the first 60 GHz RF signal;
• and
• a first 60 GHz antenna configured to transmit the first 60 GHz RF signal;
• and
• a second radio unit comprising:
• a second 60 GHz antenna configured to receive the first 60 GHz RF signal;
• a second transceiver configured to amplify the first 60 GHz RF signal, and convert the first 60 GHz RF signal into a second upstream XPIC IF signal;
• a second demodulator configured to receive the second upstream XPIC IF signal and a second downstream XPIC IF signal, respectively;
• and
• a second receiver configured to receive the second downstream XPIC IF signal from a second duplexer,
• wherein the first radio unit and the second radio unit are, respectively, coupled to the antenna coupling unit.

An all outdoor radios system configured with a protection system and a XPIC application using a wireless connection operating at a license-free 60 GHz band, comprising:

• a first XPIC pair including:
• a first antenna coupling unit;
• a first radio unit configured to use vertical polarization of the first antenna coupling unit;
• and
• a second radio unit configured to use horizontal polarization of the first antenna coupling unit, wherein the first radio unit and the second radio unit are, respectively, coupled to the first antenna coupling unit;
• and
• a second XPIC pair including:
• a second antenna coupling unit;
• a third radio unit configured to use vertical polarization of the second antenna coupling unit;
• and
• a fourth radio unit configured to use horizontal polarization of the second antenna coupling unit, wherein the third radio unit and the fourth radio unit are, respectively, coupled to the second antenna coupling unit;
• wherein each of the first radio unit, the second radio unit, the third radio unit, and the fourth radio unit includes:
• a duplexer;
• a receiver configured to receive a downstream XPIC IF signal from the duplexer;
• a demodulator configured to receive the downstream XPIC IF signal and an upstream XPIC IF signal, and cancel interference of an opposite polarization in the downstream XPIC IF signal using the upstream XPIC IF signal;
• a protection interface configured to receive a downstream protection digital signal;
• a wireless controller configured to encapsulate the downstream protection digital signal into a downstream protection digital packet addressed to a destination radio unit;
• a modem configured to convert the downstream protection digital packet into a downstream protection IF signal;
• an IF combiner configured to combine the downstream XPIC IF signal and the downstream protection IF signal, and generate a downstream combined IF signal;
• an IF splitter configured to receive an upstream combined IF signal, and extract the upstream XPIC IF signal and the upstream protection IF signal from the upstream combined IF signal, respectively;
• a transceiver configured to convert the downstream combined IF signal into a downstream 60 GHz RF signal, and amplify the downstream 60 GHz RF signal;
• and
• a 60 GHz antenna configured to transmit the downstream 60 GHz RF signal.