WIRELESS COMMUNICATION CALIBRATION SYSTEM AND ASSOCIATED METHOD
First Claim
1. A wireless communication calibration system, comprising:
- a radio chipset, comprising a transmitter and a receiver;
an analog circuit set, external to the radio chipset and coupled to the transmitter, wherein the analog circuit set is arranged to receive an output signal of the transmitter and generate a transmission signal according to the output signal; and
a calibration path, external to the radio chipset and coupled to the analog circuit set, wherein the calibration path is arranged to guide an input signal to the receiver, and the input signal is derived from the transmission signal;
wherein a first delay is calculated after the input signal is received by the receiver.
1 Assignment
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Accused Products
Abstract
A wireless communication calibration system has a radio chipset, an analog circuit set, and a calibration path. The radio chipset has a transmitter and a receiver. The analog circuit set is external to the radio chipset and coupled to the transmitter, and receives an output signal of the transmitter and generates a transmission signal according to the output signal. The calibration path is external to the radio chipset and coupled to the analog circuit set, and guides an input signal to the receiver, wherein the input signal is derived from the transmission signal, and a first delay is calculated after the input signal is received by the receiver.
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Citations
20 Claims
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1. A wireless communication calibration system, comprising:
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a radio chipset, comprising a transmitter and a receiver; an analog circuit set, external to the radio chipset and coupled to the transmitter, wherein the analog circuit set is arranged to receive an output signal of the transmitter and generate a transmission signal according to the output signal; and a calibration path, external to the radio chipset and coupled to the analog circuit set, wherein the calibration path is arranged to guide an input signal to the receiver, and the input signal is derived from the transmission signal; wherein a first delay is calculated after the input signal is received by the receiver. - View Dependent Claims (2, 3, 4, 5, 6)
wherein the output signal of the transmitter is transmitted via the switch set and the analog circuit set.
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5. The wireless communication calibration system of claim 4, wherein the switch set bypasses the analog circuit of the analog circuit set to generate a bypassed path, and the output signal is transmitted through the bypassed path.
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6. The wireless communication calibration system of claim 1, wherein the calibration path comprises a coupler or an antenna.
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7. A wireless communication calibration system, comprising:
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a radio chipset, comprising a transmitter and a receiver; an analog circuit set, external to the radio chipset and comprising a plurality of analog circuits; and a switch set, external to the radio chipset, wherein the switch set is coupled to the analog circuit set and arranged to selectively bypass at least one analog circuit of the plurality of analog circuits; wherein a transmission signal is generated from an output signal of the transmitter transmitted via the analog circuit set and the switch set, an input signal of the receiver is generated from a reception signal transmitted via the analog circuit set and the switch set, the reception signal is derived from the transmission signal, and a first delay is calculated after the input signal is received by the receiver. - View Dependent Claims (8, 9, 10)
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11. A wireless communication calibration method, comprising:
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receiving an output signal of a transmitter in a radio chipset; generating a transmission signal external to the radio chipset according to the output signal; and guiding an input signal to a receiver in the radio chipset via a calibration path external to the radio chipset, wherein the input signal is derived from the transmission signal; wherein a first delay is calculated after the input signal is received by the receiver. - View Dependent Claims (12, 13, 14, 15, 16)
wherein the output signal of the transmitter is transmitted via the switch set and the analog circuit set.
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15. The wireless communication calibration method of claim 14, wherein the switch set bypasses the analog circuit of the analog circuit set to generate a bypassed path, and the output signal is transmitted through the bypassed path.
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16. The wireless communication calibration method of claim 11, wherein the calibration path comprises a coupler or an antenna.
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17. A wireless communication calibration method, comprising:
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generating a transmission signal from an output signal of a transmitter that is transmitted via an analog circuit set and a switch set; generating an input signal of a receiver from a reception signal transmitted via the analog circuit set and the switch set, wherein the reception signal is derived from the transmission signal, wherein the transmitter and the receiver are in a radio chipset, and the switch set and the analog circuit set are external to the radio chipset; and utilizing the switch set to selectively bypass at least one analog circuit of the analog circuit set; wherein a first delay is calculated after the input signal is received by the receiver. - View Dependent Claims (18, 19, 20)
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Specification