PRESELECTOR INTERFERENCE REJECTION AND DYNAMIC RANGE EXTENSION
First Claim
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1. A wireless telemetry module, comprising:
- an antenna configured to receive a communication signal having a channel frequency and having a channel bandwidth;
a transceiver configured to operate over a channel range of single channel frequencies including the channel frequency;
a processor coupled to the transceiver and configured to control the transceiver to operate in a receiving mode and in a transmitting mode;
an interference rejection module configured to receive control signals from the processor, the interference rejection module coupled between the antenna and the transceiver when the transceiver is operating in the receiving mode, the interference rejection module attenuating interference signals occurring in the received signal and falling within the channel range and outside the channel range in response to the processor control signals, the interference rejection module providing the transceiver with the communication signal at the channel frequency.
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Abstract
A wireless telemetry module and associated method reject interference in a received signal. The wireless telemetry module includes an antenna receives a communication signal transmitted at a desired channel frequency and having a channel bandwidth. A transceiver is controlled to operate in receiving and transmitting modes by a processor. An interference rejection module receives control signals from the processor corresponding to the desired channel frequency and is coupled between the antenna and the transceiver when the transceiver is operating in the receiving mode.
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Citations
27 Claims
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1. A wireless telemetry module, comprising:
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an antenna configured to receive a communication signal having a channel frequency and having a channel bandwidth; a transceiver configured to operate over a channel range of single channel frequencies including the channel frequency; a processor coupled to the transceiver and configured to control the transceiver to operate in a receiving mode and in a transmitting mode; an interference rejection module configured to receive control signals from the processor, the interference rejection module coupled between the antenna and the transceiver when the transceiver is operating in the receiving mode, the interference rejection module attenuating interference signals occurring in the received signal and falling within the channel range and outside the channel range in response to the processor control signals, the interference rejection module providing the transceiver with the communication signal at the channel frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method, comprising:
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receiving a wireless signal comprising a communication signal transmitted at a channel frequency and having a single channel bandwidth; controlling a transceiver to operate in a receiving mode and in a transmitting mode over a channel range of single channel frequencies including the channel frequency; coupling an interference rejection module between an antenna receiving the wireless signal and the transceiver when the transceiver is operating in the receiving mode; controlling the interference rejection module to attenuate interference signals occurring in the received signal and falling outside the channel bandwidth within the channel range and outside the channel range in response to the processor control signals; and providing the transceiver with the communication signal at the channel frequency. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A medical device system, comprising;
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a first medical device comprising a first telemetry module transmitting a wireless communication signal at a channel frequency having a channel bandwidth; and a second medical device comprising a second telemetry module adapted for bidirectional communication with the first telemetry module over a channel range of single channel frequencies; the first telemetry module comprising an antenna configured to receive a communication signal transmitted at a channel frequency and having a channel bandwidth; a transceiver; a processor coupled to the transceiver and controlling the transceiver to operate in a receiving mode and in a transmitting mode; an interference rejection module configured to receive control signals from the processor, the interference rejection module coupled between the antenna and the transceiver when the transceiver is operating in the receiving mode, the interference rejection module attenuating interference signals occurring in the received signal and falling outside the channel bandwidth within the channel range and outside the channel range in response to the processor control signals, the interference rejection module providing the transceiver with the communication signal at the channel frequency.
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Specification