Systems and methods for mitigating radio relay link interference in mobile satellite communications
First Claim
1. A system for mitigating interference caused by communications on-the-move, the system comprising:
- an antenna configured to transmit an uplink signal and receive a downlink signal;
communication equipment coupled to a connection and control board; and
a computer coupled to the connection and control board, whereinthe computer is configured to transmit data to the connection and control board;
the connection and control board is configured to transmit data to the communication equipment; and
the communication equipment is configured to perform at least one of the group consisting of (i) stopping transmission of the uplink signal, and (ii) starting transmission of the uplink signal.
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Accused Products
Abstract
Systems and methods according to embodiment of the present invention prevent or otherwise mitigate data corruption and interference that may result when a communications on-the-move transmission is blocked by a radio relay link antenna transmitting on a shared frequency band. Harmful radiation that could affect persons blocking the line-of-sight of a COTM transmission is also prevented or mitigated. According to one embodiment of the present invention, if a building or other obstruction blocks the line-of-sight between a COTM antenna and a target satellite, the transmission will automatically cease, preventing or minimizing any potential interference that can occur, such as the interference to a radio relay link antenna operating atop a building. Similarly, persons who may have been in the line-of-sight will not be subjected to harmful radiation. COTM transmission remains offline until free line-of-sight is re-established.
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Citations
33 Claims
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1. A system for mitigating interference caused by communications on-the-move, the system comprising:
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an antenna configured to transmit an uplink signal and receive a downlink signal; communication equipment coupled to a connection and control board; and a computer coupled to the connection and control board, wherein the computer is configured to transmit data to the connection and control board; the connection and control board is configured to transmit data to the communication equipment; and the communication equipment is configured to perform at least one of the group consisting of (i) stopping transmission of the uplink signal, and (ii) starting transmission of the uplink signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method of mitigating interference caused by a vehicle equipped with a communications on-the-move antenna and transmitter, comprising the steps of:
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initiating an uplink transmission; calculating whether a line-of-sight from the antenna to a target satellite is blocked; if the line-of-sight is blocked, stopping the uplink transmission and starting the uplink transmission when the line-of-sight is not blocked; and if the line-of-sight is not blocked, predicting whether the line-of-sight will be blocked within a preselected timeframe. - View Dependent Claims (32, 33)
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Specification