Range Measurement Apparatus and Method Using Chaotic Uwb Wireless Communication
First Claim
1. An apparatus for measuring a range based on a chaotic ultra wideband (UWB) wireless communication technology, comprising:
- a chaotic signal generating/modulating unit for generating and modulating chaotic signals and outputting the modulated chaotic signals to a transceiving unit;
a transceiving unit for transmitting/receiving radio signals;
a detecting unit for detecting the radio signals inputted from the transceiving unit in the form of voltage signals;
a transform unit for sampling the analog voltage signals inputted from the detecting unit and outputting first digital signals of a predetermined level;
a comparison unit for comparing levels of the analog voltage signals inputted from the detecting unit with a predetermined threshold value and outputting binary digital signals, which are second digital signals; and
a range measurement unit for calculating a leading edge, which is a moment when initial data of a packet payload arrive, by using the binary signals obtained in the transform unit from the transformation of the first digital signals based on the threshold value and by using the second digital signals outputted from the comparison unit, and performing a range measurement calculation based on the leading edge.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided is a range measurement apparatus and method based on chaotic ultra wideband (UWB) wireless communication. The apparatus includes a chaotic signal generating/modulating unit for generating/modulating chaotic signals and outputting them to a transceiving unit; a transceiver for transceiving radio signals; a detector for detecting the radio signals in forms of voltage signals; a transformer for sampling the analog voltage signals and outputting first digital signals of a predetermined level; a comparator for comparing levels of the analog voltage signals with a threshold value and outputting second digital signals; and a range measurement unit for calculating a leading edge, which is a moment when initial data of a packet payload arrive, by using the binary signals from transformation of the first digital signals based on the threshold and the second digital signals, and performing range measurement based on the leading edge. This research is applied to chaotic UWB wireless communication.
-
Citations
8 Claims
-
1. An apparatus for measuring a range based on a chaotic ultra wideband (UWB) wireless communication technology, comprising:
-
a chaotic signal generating/modulating unit for generating and modulating chaotic signals and outputting the modulated chaotic signals to a transceiving unit; a transceiving unit for transmitting/receiving radio signals; a detecting unit for detecting the radio signals inputted from the transceiving unit in the form of voltage signals; a transform unit for sampling the analog voltage signals inputted from the detecting unit and outputting first digital signals of a predetermined level; a comparison unit for comparing levels of the analog voltage signals inputted from the detecting unit with a predetermined threshold value and outputting binary digital signals, which are second digital signals; and a range measurement unit for calculating a leading edge, which is a moment when initial data of a packet payload arrive, by using the binary signals obtained in the transform unit from the transformation of the first digital signals based on the threshold value and by using the second digital signals outputted from the comparison unit, and performing a range measurement calculation based on the leading edge. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A method for measuring a range based on a chaotic ultra wideband (UWB) wireless communication technology in a range measurement apparatus, comprising the steps of:
-
a) acquiring a leading edge, which is a moment when initial data of a packet payload arrive, by using binary signals obtained in a transform unit from transformation of first digital signals and by using second digital signals outputted from a comparison unit based on a predetermined threshold value; and b) performing a range measurement calculation based on the leading edge, wherein the range measurement apparatus includes; a chaotic signal generating/modulating unit for generating and modulating chaotic signals and outputting the modulated chaotic signals to a transceiving unit; a transceiving unit for transmitting/receiving radio signals; a detecting unit for detecting the radio signals inputted from the transceiving unit in the form of voltage signals; a transform unit for sampling the analog voltage signals inputted from the detecting unit and outputting first digital signals of a predetermined level; a comparison unit for comparing levels of the analog voltage signals inputted from the detecting unit with a predetermined threshold value and outputting binary digital signals, which are second digital signals; and a range measurement unit for calculating a leading edge, which is a moment when initial data of a packet payload arrive, by using the binary signals obtained in the transform unit from the transformation of the first digital signals based on the threshold value and by using the second digital signals outputted from the comparison unit, and performing a range measurement calculation based on the leading edge. - View Dependent Claims (8)
-
Specification