Apparatus And Method For Detecting Communication Interference
First Claim
1. A method of detecting an attempt at interfering with communications between a user and an emergency reporting system comprising:
- receiving location determination signals and determining a location of interest from the location determination signals;
establishing and synchronizing a communication service with a known, valid base station via a first communication channel;
monitoring a value of a signal strength indicator associated with the first communication channel;
when the value of the signal strength indicator falls below a threshold level, transmitting a warning message to the known, valid base station before synchronization of the communication service is lost with the known, valid base station.
1 Assignment
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Accused Products
Abstract
Location determination signals are received and a location of interest is determined from the location determination signals. A communication service is established and synchronized with a known, valid base station via a first communication channel. A value of a signal strength indicator associated with the first communication channel is monitored. When the value of the signal strength indicator falls below a threshold level, a warning message is transmitted to the known, valid base station before synchronization of the communication service is lost with the known, valid base station.
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Citations
20 Claims
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1. A method of detecting an attempt at interfering with communications between a user and an emergency reporting system comprising:
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receiving location determination signals and determining a location of interest from the location determination signals; establishing and synchronizing a communication service with a known, valid base station via a first communication channel; monitoring a value of a signal strength indicator associated with the first communication channel; when the value of the signal strength indicator falls below a threshold level, transmitting a warning message to the known, valid base station before synchronization of the communication service is lost with the known, valid base station. - View Dependent Claims (2, 4, 5, 6, 7, 8, 9)
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3. The method of claim wherein the signal strength indicator comprises an average of a plurality of signal strength measurements.
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10. A computer usable medium having a computer readable program code embodied therein, said computer readable program code adapted to be executed to implement a method of detecting an attempt at interfering with communications between a vehicle and an emergency reporting system comprising:
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receiving location determination signals and determining a location of the vehicle from the location determination signals; establishing and synchronizing a communication service with a known, valid base station via a first communication channel; monitoring a value of a signal strength indicator associated with the first communication channel; when the value of the signal strength indicator falls below a threshold level, transmitting a warning message from the vehicle to the known, valid base station before synchronization of the communication service is lost with the known, valid base station. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A device for detecting attempted interference with communications between a user and an emergency reporting system comprising:
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an interface with an input and an output, the input configured to receive location determination signals; a controller coupled to the interface, the controller configured to establish and synchronize a communication service with a known, valid base station via a first communication channel established with the base station at the output of the interface, the controller further configured to monitor a value of a signal strength indicator associated with the first communication channel received at the input of the interface, the controller further configured to, when the value of the signal strength indicator falls below a threshold level, transmit a warning message to the known, valid base station at the output of the interface before synchronization of the communication service is lost with the known, valid base station. - View Dependent Claims (18, 19, 20)
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Specification