Vehicle-mounted receiver apparatus
First Claim
1. An in-vehicle receiving apparatus to receive transmitted data from an on-road device, comprising:
- reference position setting means to set a position satisfying a predetermined reception condition, as a reference position;
real receiving situation acquiring means to acquire a receiving situation of the transmitted data in a zone from the reference position set by the reference position setting means, to a predetermined position;
designed receiving situation estimating means to estimate a receiving situation of the transmitted data in a zone from a design position to the predetermined position when the predetermined reception condition is satisfied at the design position; and
error calculating means to calculate a distance error of the reference position from the design position, based on the receiving situation acquired by the real receiving situation acquiring means and the receiving situation estimated by the designed receiving situation estimating means.
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Accused Products
Abstract
An in-vehicle receiving apparatus to receive transmitted data from an on-road device having a reference position setting device to set a position satisfying a predetermined reception condition, as a reference position; a real receiving situation acquiring device to acquire a receiving situation of the transmitted data in a zone from the reference position set by the reference position setting device, to a predetermined position; a designed receiving situation estimating device to estimate a receiving situation of the transmitted data in a zone from a design position to the predetermined position when the predetermined reception condition is satisfied at the design position; and an error calculating device to calculate a distance error of the reference position from the design position, based on the receiving situation acquired by the real receiving situation acquiring device and the receiving situation estimated by the designed receiving situation estimating device.
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Citations
8 Claims
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1. An in-vehicle receiving apparatus to receive transmitted data from an on-road device, comprising:
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reference position setting means to set a position satisfying a predetermined reception condition, as a reference position; real receiving situation acquiring means to acquire a receiving situation of the transmitted data in a zone from the reference position set by the reference position setting means, to a predetermined position; designed receiving situation estimating means to estimate a receiving situation of the transmitted data in a zone from a design position to the predetermined position when the predetermined reception condition is satisfied at the design position; and error calculating means to calculate a distance error of the reference position from the design position, based on the receiving situation acquired by the real receiving situation acquiring means and the receiving situation estimated by the designed receiving situation estimating means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification