SYSTEM AND METHOD FOR COMMUNICATING USING AN IN-VEHICLE SYSTEM
First Claim
1. A method to be used with first and second devices where the first and second devices are capable of communicating using a subset of different modulation schemes wherein the subset includes at least first and second different modulation schemes, the method for optimizing transmission of data from the first device to the second device, the method comprising the acts of:
- at the first device, when data is to be transmitted from the first device to the second device;
receiving at least a portion of a trigger signal from the second device wherein the transmitted trigger signal includes data transmitted using a sequence of at least two of the modulation schemes from the subset, the portion of the trigger signal received being a received trigger signal;
analyzing the received trigger signal to identify one of the modulation schemes from the subset as a function of the received trigger signal as an initial modulation scheme to be used to transmit data to the second device; and
transmitting the data from the first device to the second device using the initial modulation scheme.
6 Assignments
0 Petitions
Accused Products
Abstract
A system and method to be used with first and second devices where the first and second devices are capable of communicating using a subset of different modulation schemes wherein the subset includes at least first and second different modulation schemes, the method for optimizing transmission of data from the first device to the second device, the method comprising the acts of at the first device, when data is to be transmitted from the first device to the second device, receiving at least a portion of a trigger signal from the second device wherein the transmitted trigger signal includes data transmitted using a sequence of at least two of the modulation schemes from the subset, the portion of the trigger signal received being a received trigger signal, analyzing the received trigger signal to identify one of the modulation schemes from the subset as a function of the received trigger signal as an initial modulation scheme to be used to transmit data to the second device and transmitting the data from the first device to the second device using the initial modulation scheme.
25 Citations
22 Claims
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1. A method to be used with first and second devices where the first and second devices are capable of communicating using a subset of different modulation schemes wherein the subset includes at least first and second different modulation schemes, the method for optimizing transmission of data from the first device to the second device, the method comprising the acts of:
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at the first device, when data is to be transmitted from the first device to the second device; receiving at least a portion of a trigger signal from the second device wherein the transmitted trigger signal includes data transmitted using a sequence of at least two of the modulation schemes from the subset, the portion of the trigger signal received being a received trigger signal; analyzing the received trigger signal to identify one of the modulation schemes from the subset as a function of the received trigger signal as an initial modulation scheme to be used to transmit data to the second device; and transmitting the data from the first device to the second device using the initial modulation scheme. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method to be used with first and second devices where the first and second devices are capable of communicating using a high rate modulation scheme and a low rate modulation scheme, the method for optimizing transmission of data from the first device to the second device, the method comprising the acts of:
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at the first device, when data is to be transmitted from the first device to the second device; receiving at least a portion of a trigger signal from the second device wherein the transmitted trigger signal includes pseudorandom binary sequences of data transmitted using a sequence of the high and low rate modulation schemes, the portion of the trigger signal received being a received trigger signal; analyzing the received trigger signal to identify a throughput level of the high rate modulation scheme; where the throughput level of the high rate modulation scheme is greater than a threshold level, initially transmitting data to the second device using the high rate modulation scheme; and where the throughput level of the high rate modulation scheme is less that a threshold level, initially transmitting data to the second device using the low rate modulation scheme.
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13. A mobile electronic device to be used with a second device where the mobile electronic device and the second device are capable of communicating using a subset of different modulation schemes wherein the subset includes at least first and second different modulation schemes, the mobile electronic device comprising:
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a processor programmed to perform the acts of, when data is to be transmitted from the mobile electronic device to the second device; receiving at least a portion of a trigger signal from the second device wherein the transmitted trigger signal includes data transmitted using a sequence of at least two of the modulation schemes from the subset, the portion of the trigger signal received being a received trigger signal; analyzing the received trigger signal to identify one of the modulation schemes from the subset as a function of the received trigger signal as an initial modulation scheme to be used to transmit data to the second device; and transmitting the data from the mobile electronic device to the second device using the initial modulation scheme. - View Dependent Claims (14, 15, 16)
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17. A method to be used with first and second devices where the first and second devices are capable of communicating using a subset of different modulation schemes wherein the subset includes at least first and second different modulation schemes, the method for optimizing transmission of data from the first device to the second device, the method comprising the acts of:
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at the second device, when data is to be transmitted from the first device to the second device; transmitting a transmitted trigger signal from the second device to the first device wherein the transmitted trigger signal includes data transmitted using a predefined sequence of at least two of the modulation schemes from the subset; receiving data from the first device; determining when all anticipated data has been received from the first device; and when all anticipated data has been received from the first device, ceasing transmission of the trigger signal. - View Dependent Claims (18, 19, 20, 21)
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22. An answering point device to be used with a first devices where the answering point device and the first device are capable of communicating using a subset of different modulation schemes wherein the subset includes at least first and second different modulation schemes, the answering point device comprising:
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a processor programmed to perform the acts of, when data is to be transmitted from the first device to the answering point device; transmitting a transmitted trigger signal to the first device wherein the transmitted trigger signal includes data transmitted using a predefined sequence of at least two of the modulation schemes from the subset; receiving data from the first device; determining when all anticipated data has been received from the first device; and when all anticipated data has been received from the first device, ceasing transmission of the trigger signal.
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Specification