Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex and/or frequency-division duplex mode

A satellite radiotelephone system comprising:

• a space-based component that is configured to communicate with radiotelephones;
• and
• a wireless terrestrial network that is configured to transmit wireless communications to a radiotelephone over an uplink satellite radiotelephone frequency and to receive wireless communications from the radiotelephone over the uplink satellite radiotelephone frequency;
• wherein the uplink satellite radiotelephone frequency is included in an uplink satellite radiotelephone frequency band and wherein the wireless terrestrial network is configured to transmit wireless communications to, and receive wireless communications from, radiotelephones over the uplink satellite radiotelephone frequency band.

A satellite radiotelephone system comprising:

• a space-based component that is configured to communicate with radiotelephones;
• and
• a wireless terrestrial network that is configured to transmit wireless communications to a radiotelephone over an uplink satellite radiotelephone frequency and to receive wireless communications from the radiotelephone over the uplink satellite radiotelephone frequency;
• wherein the space-based component is configured to receive wireless communications from a first radiotelephone over an uplink satellite radiotelephone frequency band;
• wherein the wireless terrestrial network is configured to transmit wireless communications to, and/or receive wireless communications from, a second radiotelephone over the uplink satellite radiotelephone frequency, the space-based component also receiving the wireless communications from the second radiotelephone and/or from the wireless terrestrial network over the uplink satellite radiotelephone frequency as interference along with the wireless communications from the first radiotelephone;
• and
• wherein the satellite radiotelephone system further comprises an interference reducer that is responsive to the space-based component and to the wireless terrestrial network, and that is configured to reduce the interference that is received by the space-based component from the second radiotelephone and/or from the wireless terrestrial network over the uplink satellite radiotelephone frequency, using the wireless communications that are transmitted by the wireless terrestrial network to, and/or are received by the wireless terrestrial network from, the second radiotelephone over the uplink satellite radiotelephone frequency.

A wireless terrestrial component that is associated with a satellite radiotelephone system that includes a space-based component that is configured to communicate with radiotelephones, the wireless terrestrial component comprising:

• an electronics system that is configured to transmit wireless communications to a radiotelephone over an uplink satellite radiotelephone frequency and to receive wireless communications from the radiotelephone over the uplink satellite radiotelephone frequency;
• wherein the space-based component is configured to receive wireless communications from a first radiotelephone;
• wherein the wireless terrestrial component is configured to transmit wireless communications to, and/or receive wireless communications from, a second radiotelephone over the uplink satellite radiotelephone frequency, the space-based component also receiving the wireless communications from the second radiotelephone and/or from the wireless terrestrial component over the uplink satellite radiotelephone frequency as interference along with the wireless communications from the first radiotelephone;
• and
• wherein the wireless terrestrial component and/or the satellite radiotelephone system further comprises an interference reducer that is responsive to the space-based component and to the wireless terrestrial component, and that is configured to reduce the interference that is received by the space-based component from the second radiotelephone and/or from the wireless terrestrial component over the uplink satellite radiotelephone frequency, using the wireless communications that are transmitted by the wireless terrestrial component to, and/or are received by the wireless terrestrial component from, the second radiotelephone over the uplink satellite radiotelephone frequency.

A wireless communications method comprising:

• communicating between a space-based component and radiotelephones;
• and
• transmitting wireless communications from a wireless terrestrial network to a radiotelephone over an uplink satellite radiotelephone frequency and receiving wireless communications from the radiotelephone at the wireless terrestrial network over the uplink satellite radiotelephone frequency;
• wherein communicating between a space-based component and radiotelephones comprises receiving at the space-based component communications from a first radiotelephone;
• wherein transmitting wireless communications from a wireless terrestrial network to a radiotelephone over an uplink satellite radiotelephone frequency and receiving wireless communications from the radiotelephone at the wireless terrestrial network over the uplink satellite radiotelephone frequency comprises transmitting wireless communications from the wireless terrestrial network to a second radiotelephone over the uplink satellite radiotelephone frequency and receiving wireless communications from the second radiotelephone at the wireless terrestrial network over the uplink satellite radiotelephone frequency, the space-based component also receiving the wireless communications that are transmitted from the wireless terrestrial network to the second radiotelephone and/or the wireless communications that are received at the wireless terrestrial network from the second radiotelephone over the uplink satellite radiotelephone frequency as interference;
• and
• wherein the method further comprises reducing said interference by using the wireless communications that are transmitted from the wireless terrestrial network to, and/or are received by the wireless terrestrial network from, the second radiotelephone.

A method of operating a wireless terrestrial component that is associated with a satellite radiotelephone system that includes a space-based component that is configured to communicate with radiotelephones;

• the method comprising:
• transmitting wireless communications to a radiotelephone over an uplink satellite radiotelephone frequency and receiving wireless communications from the radiotelephone over the uplink satellite radiotelephone frequency;
• wherein the space-based component is configured to receive wireless communications from a first radiotelephone;
• wherein the wireless terrestrial component is configured to transmit wireless communications to, and/or receive wireless communications from, a second radiotelephone over the uplink satellite radiotelephone frequency, the space-based component also receiving the wireless communications from the second radiotelephone and/or from the wireless terrestrial component as interference along with the wireless communications that are received from the first radiotelephone;
• and
• wherein the method further comprises reducing interference that is received by the space-based component from the second radiotelephone and/or from the wireless terrestrial component over the uplink satellite radiotelephone frequency, using the wireless communications that are transmitted by the wireless terrestrial component to, and/or are received by the wireless terrestrial component from, the second radiotelephone over the uplink satellite radiotelephone frequency.

A method of operating a gateway that is associated with a satellite radiotelephone system that includes a space-based component that is configured to receive wireless communications from radiotelephones;

• wherein the gateway is also associated with a wireless terrestrial network that is configured to transmit wireless communications to, and/or receive wireless communications from, a radiotelephone over an uplink satellite radiotelephone frequency;
• the method comprising:
• receiving from the space-based component wireless communications;
• and
• receiving from the wireless terrestrial network wireless communications that are transmitted to and/or are received from the radiotelephone over the uplink satellite radiotelephone frequency.