Discrete digital transceiver
View Patent ↗A discrete digital transceiver includes a receiver sample and hold module, a discrete digital receiver conversion module, a transmitter sample and hold module, a discrete digital transmitter conversion module, clock generation module, and a processing module. The receiver sample and hold module samples and holds an inbound wireless signal in accordance with a receiver S&H clock signal. The discrete digital receiver conversion module converts the receiver frequency domain sample pulse train into an inbound baseband signal. The transmitter sample and hold module samples and holds an outbound signal to produce a transmitter frequency domain sample pulse train. The discrete digital transmitter conversion module converts a transmitter frequency domain sample pulse train into the outbound wireless signal. The clock generation module generates S&H clock signals in accordance with a control signal. The processing module generates the control signal such that the S&H clock signals are shifted.
1. A discrete digital transceiver comprises:
a receiver sample and hold module configured to sample and hold an inbound wireless signal in accordance with a receiver S&H clock signal that has a rate corresponding to a multiple of a carrier frequency of the inbound wireless signal to produce a receiver frequency domain sample pulse train;
a discrete digital receiver conversion module configured to convert the receiver frequency domain sample pulse train into an inbound baseband signal;
a transmitter sample and hold module configured to sample and hold an outbound signal in accordance with a transmitter S&H clock signal that has a rate corresponding to a carrier frequency of an outbound wireless signal to produce a transmitter frequency domain sample pulse train;
a discrete digital transmitter conversion module configured to convert the transmitter frequency domain sample pulse train into the outbound wireless signal;
a clock generation module configured to:
generate the receiver S&H clock signal in accordance with a control signal; and
generate the transmitter S&H clock signal in accordance with the control signal; and
a processing module configured to generate the control signal such that the receiver S&H clock signal is shifted with respect to the transmitter S&H clock signal to reduce interference.
2. The discrete digital transceiver of claim 1 , wherein the discrete digital receiver conversion module comprises:
a receiver discrete time filter module configured to filter the receiver frequency domain sample pulse train to produce an inbound wireless frequency pulse; and
a wireless frequency to baseband conversion module configured to convert the inbound wireless frequency pulse into the inbound baseband signal.
3. The discrete digital transceiver of claim 1 , wherein the discrete digital transmitter conversion module comprises:
a transmitter discrete time filter module configured to filter the transmitter frequency domain sample pulse train to produce an outbound wireless frequency pulse; and
an amplifier module configured to amplify the outbound wireless frequency pulse to produce the outbound wireless signal.
4. The discrete digital transceiver of claim 1 , wherein the clock generation module is further configured to:
generate the receiver S&H clock signal to be at least one of phase shifted and frequency shifted from the transmitter S&H clock signal in accordance with the control signal.
5. The discrete digital transceiver of claim 1 , wherein the clock generation module comprises:
a clock generator configured to generate a system clock signal;
a receiver sample and hold clock module configured to generate the receiver S&H clock signal from the system clock signal in accordance with the control signal; and
a transmitter sample and hold clock module configured to generate the transmitter S&H clock signal from the system clock signal in accordance with the control signal.
6. The discrete digital transceiver of claim 1 further comprises:
an antenna interface configured to couple an antenna structure to the receiver sample and hold module and to the transmitter sample and hold module.
7. The discrete digital transceiver of claim 6 , wherein the processing module is further configured to:
generate a second control signal; and
provide the second control signal to the antenna interface such that, when the receiver sample and hold module is sampling the inbound wireless signal, the antenna structure is effectively disconnected from transmitting the outbound wireless signal.
8. The discrete digital transceiver of claim 6 , wherein the processing module is further configured to:
generate a second control signal; and
provide the second control signal to the antenna interface such that, when the receiver sample and hold module is sampling the inbound wireless signal, attenuation of the outbound wireless signal is increased.
9. The discrete digital transceiver of claim 1 , wherein the clock generation module is further configured to:
generate the receiver S&H clock signal to have the rate corresponding to m*(the carrier frequency of the inbound wireless signal); and
generate the transmitter S&H clock signal to have the rate corresponding to n*(the carrier frequency of the outbound wireless signal), wherein m is greater than n.
10. The discrete digital transceiver of claim 1 , wherein the processing module is further configured to:
generate the control signal such that, for a potential overlap of sampling the inbound wireless signal and sampling of the outbound signal, the receiver S&H clock signal is shifted with respect to the transmitter S&H clock signal to substantially avoid the potential overlap.
11. A discrete digital transceiver comprises:
a sample and hold module configured to:
sample and hold an inbound wireless signal in accordance with a receiver S&H clock signal that has a rate corresponding to a multiple of a carrier frequency of the inbound wireless signal to produce a receiver frequency domain sample pulse train; and
sample and hold an outbound signal in accordance with a transmitter S&H clock signal that has a rate corresponding to a multiple of a carrier frequency of the outbound wireless signal to produce a transmitter frequency domain sample pulse train;
a discrete digital receiver conversion module configured to convert the receiver frequency domain sample pulse train into an inbound baseband signal; and
a discrete digital transmitter conversion module configured to convert the transmitter frequency domain sample pulse train into the outbound wireless signal;
a clock generation module configured to:
generate the receiver S&H clock signal in accordance with a control signal; and
generate the transmitter S&H clock signal in accordance with the control signal; and
a processing module configured to generate the control signal such that the receiver S&H clock signal is shifted with respect to the transmitter S&H clock signal to reduce interference.
12. The discrete digital transceiver of claim 11 , wherein the discrete digital receiver conversion module comprises:
a receiver discrete time filter module configured to filter the receiver frequency domain sample pulse train to produce an inbound wireless frequency pulse; and
a wireless frequency to baseband conversion module configured to convert the inbound wireless frequency pulse into the inbound baseband signal.
13. The discrete digital transceiver of claim 11 , wherein the discrete digital transmitter conversion module comprises:
a transmitter discrete time filter module operable to filter the transmitter frequency domain sample pulse train to produce an outbound wireless frequency pulse; and
an amplifier module configured to amplify the outbound wireless frequency pulse to produce the outbound wireless signal.
14. The discrete digital transceiver of claim 11 , wherein the clock generation module is further configured to:
generate the receiver S&H clock signal to be at least one of phase shifted and frequency shifted from the transmitter S&H clock signal in accordance with the control signal.
15. The discrete digital transceiver of claim 11 , wherein the clock generation module comprises:
a clock generator configured to generate a system clock signal;
a receiver sample and hold clock module configured to generate the receiver S&H clock signal from the system clock signal in accordance with the control signal; and
a transmitter sample and hold clock module configured to generate the transmitter S&H clock signal from the system clock signal in accordance with the control signal.
16. The discrete digital transceiver of claim 11 , wherein the clock generation module is further configured to:
generate the receiver S&H clock signal to have the rate corresponding to m*(the carrier frequency of the inbound wireless signal); and
generate the transmitter S&H clock signal to have the rate corresponding to n*(the carrier frequency of the outbound wireless signal), wherein m is greater than n.
17. The discrete digital transceiver of claim 11 , wherein the processing module is further configured to:
generate the control signal such that, for a potential overlap of sampling the inbound wireless signal and sampling of the outbound signal, the receiver S&H clock signal is shifted with respect to the transmitter S&H clock signal to substantially avoid the potential overlap.
18. The discrete digital transceiver of claim 11 further comprises:
an antenna interface configured to couple an antenna structure to the receiver sample and hold module and to the transmitter sample and hold module.
19. The discrete digital transceiver of claim 18 further comprises:
a processing module configured to:
generate a control signal; and
provide the control signal to the antenna interface such that, when the sample and hold module is sampling the inbound wireless signal, the antenna structure is effectively disconnected from transmitting the outbound wireless signal.
20. The discrete digital transceiver of claim 18 further comprises:
a processing module configured to:
generate a control signal; and
provide the control signal to the antenna interface such that, when the sample and hold module is sampling the inbound wireless signal, attenuation of the outbound wireless signal is increased.