MULTIPLE SATELLITE MODEM SYSTEM USING A SINGLE ANTENNA
First Claim
1. A transceiver system comprising a single antenna, said system comprising:
- (a) at least two modems comprising a first modem connected to a first communication system, and a second modem connected to a second communication system;
(b) a first transmission path operatively connected to the first modem and comprising a first switch, a second transmission path operatively connected to the second modem and comprising a second switch, a third transmission path operatively connected to both the first and second modems and comprising a signal combiner;
(c) a third switch operatively connected to the single antenna, and operative to select the first, second or third transmission paths, or an incoming signal path;
(d) a first transmission detector connected to the first transmission path, and a second transmission detector connected to the second transmission path;
(e) a controller responsive to the first and second transmission detectors and operatively connected to the first, second and third switches.
2 Assignments
0 Petitions
Accused Products
Abstract
A system having multiple modems using a single antenna includes a first modem connected to a first communication system, and a second modem connected to a second communication system; a first transmission path operatively connected to the first modem, a second transmission path operatively connected to the second modem, a third transmission path operatively connected to both the first and second modems and including a signal combiner; a switch operatively connected to the single antenna, and operative to select the first, second or third transmission paths, or an incoming signal path; a first transmission detector connected to the first transmission path, and a second transmission detector connected to the second transmission path. A controller is responsive to the first and second transmission detectors and operates switches to route transmissions and incoming signals in accordance with control logic.
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Citations
12 Claims
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1. A transceiver system comprising a single antenna, said system comprising:
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(a) at least two modems comprising a first modem connected to a first communication system, and a second modem connected to a second communication system; (b) a first transmission path operatively connected to the first modem and comprising a first switch, a second transmission path operatively connected to the second modem and comprising a second switch, a third transmission path operatively connected to both the first and second modems and comprising a signal combiner; (c) a third switch operatively connected to the single antenna, and operative to select the first, second or third transmission paths, or an incoming signal path; (d) a first transmission detector connected to the first transmission path, and a second transmission detector connected to the second transmission path; (e) a controller responsive to the first and second transmission detectors and operatively connected to the first, second and third switches. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of utilizing multiple modems with a single antenna, said method comprising:
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(a) operating a first modem connected to a first communication system, and a second modem connected to a second communication system; (b) providing a first transmission path operatively connected to the first modem and comprising a first switch, a second transmission path operatively connected to the second modem and comprising a second switch, a third transmission path operatively connected to both the first and second modems and comprising a signal combiner; (c) providing a third switch operatively connected to the single antenna, and operative to select the first, second or third transmission paths, or an incoming signal path; (d) providing a first transmission detector connected to the first transmission path, and a second transmission detector connected to the second transmission path; (e) controlling the first, second and third switches to route signals from the first modem through the first transmission path when the second modem is not transmitting, or to route signals from the second modem through the second transmission path when the first modem is not transmitting, or to route simultaneous signals from the first and second modems through the third transmission path. - View Dependent Claims (9, 10, 11, 12)
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Specification