초록 ▼

A system for, and method of, disseminating global positioning information through a telecommunications network. In one embodiment, the system includes: (1) a receiver that collects global positioning signals and generates global positioning information based thereon and (2) a mixer, coupled to the r

A system for, and method of, disseminating global positioning information through a telecommunications network. In one embodiment, the system includes: (1) a receiver that collects global positioning signals and generates global positioning information based thereon and (2) a mixer, coupled to the receiver, that combines the global positioning information with user traffic to allow the global positioning information to be communicated with the user traffic through the telecommunications network to a recipient.

대표청구항 ▼

A system for, and method of, disseminating global positioning information through a telecommunications network. In one embodiment, the system includes: (1) a receiver that collects global positioning signals and generates global positioning information based thereon and (2) a mixer, coupled to the r

A system for, and method of, disseminating global positioning information through a telecommunications network. In one embodiment, the system includes: (1) a receiver that collects global positioning signals and generates global positioning information based thereon and (2) a mixer, coupled to the receiver, that combines the global positioning information with user traffic to allow the global positioning information to be communicated with the user traffic through the telecommunications network to a recipient. ning a preferred operating point based on the optimization of the designated operating parameter.7. The method of clam 6, wherein the at least one test signal comprises a plurality of test signals, wherein each test signal of the plurality of test signals is at a different frequency than the other test signals of the plurality of test signals, and wherein the step of adjusting the output matching circuit in order to optimize a designated operating parameter comprises a step of adjust the output matching circuit in order to optimize a designated operating parameter across each of the plurality of test signal frequencies.8. The method of claim 6, wherein the at least one test signal comprises a plurality of test signals, wherein each test signal of the plurality of test signals is at a different frequency than the other test signals of the plurality of test signals, and wherein the step of adjusting the output matching circuit in order to optimize a designated operating parameter comprises a step of adjusting the output matching circuit in order to achieve a predetermined operating parameter threshold at each of the plurality of test signal frequencies.9. The method of claim 4, wherein the step of determining a preferred operating point for each supply voltage of a first set of supply voltages to produce a plurality of preferred operating points comprises steps of:for each supply voltage of a first set of supply voltages:coupling the supply voltage to the radio frequency (RF) power amplifier;coupling at least one test signal to the RF power amplifier;amplifying the at least one test signal to produce at least one amplified signal; anddetermining a preferred operating point for the supply voltage based on the at least one amplified signal.10. The method of claim 9, wherein the operating parameter comprises a distortion introduced to the at least one amplified signal by the radio frequency power amplifier.11. The method of claim 9, wherein the operating parameter comprises a gain of the radio frequency (RF) power amplifier, and wherein the step of determining a range of acceptable operation of the RF power amplifier for each preferred operating point of the plurality of preferred operating points comprises a step of determining a constant gain trajectory for each preferred operating point of the plurality of preferred operating points.12. The method of claim 1, wherein the step of determinng a relationship between an operating parameter of the radio frequency (RF) power amplifier and a signal coupled to an input of the RF power amplifier for each supply voltage of a second set of supply voltages comprises steps of:for each supply voltage of a second set of supply voltages:establishing a preferred operating point of the RF power amplifier;coupling the supply voltage to the RF power amplifier;coupling a plurality of test signals to the RF power amplifier;producing a plurality of amplified signals based on the plurality of test signals, wherein each amplified signal of the plurality of amplified signals corresponds to a test signal of the plurality of test signals;determining with respect to each test signal and corresponding amplified signal, an operating parameter of the RF power amplifier to produce a plurality of operating parameters; anddetermining a relationship between the plurality of test signals and the plurality of operating parameters.13. The method of claim 12, wherein the step of determining a relationship between an operating parameter of the radio frequency (RF) power amplifier and a signal coupled to an input of the RF power amplifier for each supply voltage of a second set of supply voltages further comprises a step of, for each supply voltage of the second set of supply voltages, storing the relationship between the plurality of test signals and the plurality of operating parameters.14. A method for tuning an envelope tracking amplification system having a radio frequen