Dual band full duplex mobile radio
First Claim
Patent Images
1. A radio comprising:
- a transmit portion including a dual band filter;
a receive portion including a dual band filter; and
a circulator connecting the transmit portion and the receive portion and configured to provide transmit and receive switching;
an antenna connected to the circulator, and wherein the transmit portion is connected to a first port of the circulator, the antenna is connected to a second port of the circulator and the receive portion is connected to a third port of the circulator; and
at least one switch connected to the dual band filter of the transmit portion and configured to switch between a half duplex mode of operation and a full duplex mode of operation.
4 Assignments
0 Petitions
Accused Products
Abstract
A dual band full duplex mobile radio is provided that includes a transmit portion including a dual band filter and a receive portion including a dual band filter. The dual band full duplex mobile radio further includes a circulator connecting the transmit portion and the receive portion and configured to provide transmit and receive switching.
56 Citations
16 Claims
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1. A radio comprising:
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a transmit portion including a dual band filter; a receive portion including a dual band filter; and a circulator connecting the transmit portion and the receive portion and configured to provide transmit and receive switching; an antenna connected to the circulator, and wherein the transmit portion is connected to a first port of the circulator, the antenna is connected to a second port of the circulator and the receive portion is connected to a third port of the circulator; and at least one switch connected to the dual band filter of the transmit portion and configured to switch between a half duplex mode of operation and a full duplex mode of operation. - View Dependent Claims (2, 3, 4, 5)
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6. A radio comprising:
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a transmit portion including a dual band filter; a receive portion including a dual band filter; and a circulator connecting the transmit portion and the receive portion and configured to provide transmit and receive switching, and wherein the transmit portion and receive portion are configured to provide operation in one of a simplex mode, half duplex mode and full duplex mode.
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7. A dual band full duplex land mobile radio comprising:
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a transmit filter configured to provide bandpass filtering in two frequency bands; a receive filter configured as a diplex filter to provide filtering in two frequency bands; a circulator configured to provide switching between a transmit mode and a receive mode; and at least one switch connected to the transmit filter and configured to switch between a half duplex mode of operation and a full duplex mode of operation. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method of filtering signals in a radio, the method comprising:
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configuring a transmit filter to filter in two different transmit frequency bands; configuring a receive filter to filter in two different receive frequency bands; configuring a circulator to switch between a transmit mode and receive mode to provide transmitting and receiving in the two different transmit and receive frequency bands using the transmit and receive filters; and configuring a switch to switch between a half duplex and full duplex mode of operation. - View Dependent Claims (16)
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Specification