Method for determining positioning accuracy based on origination and receiving terminals and positioning device and program therefor

A method of positioning receiving terminals in a positioning system in which a location of an originating terminal is determined based on a position of a receiving terminal that received information from the originating terminal, the method comprising:

• determining a value of a reception characteristic of the receiving terminal which enables a required positioning accuracy to be satisfied when a communication quality is estimated to be a maximum, from a value of an origination characteristic of said originating terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the maximum, and a required communication quality;
• measuring a positioning-possible region based on the value of the reception characteristic of the receiving terminal when the communication quality is estimated to be at a minimum from the determined value of the reception characteristic of the receiving terminal, said value of the origination characteristic of said originating terminal, and said fluctuation factor when said communication quality is estimated to be at a minimum, wherein the positioning-possible region is a region within which the receiving terminal can communicate with the originating terminal;
• and
• obtaining a necessary number of fixed receiving terminals from the positioning-possible region and a required positioning area, and determining an installation position of at least one fixed receiving terminal based on the positioning-possible region and said necessary number of receiving terminals.

A device for positioning originating terminals, in a positioning system in which a location of a receiving terminal is determined based on a position of an originating terminal that transmitted information that was received at the receiving terminal, the device comprising:

• an origination characteristic determining means for determining a value of an origination characteristic of one or more fixed originating terminals which enable a required positioning accuracy to be achieved, when a communication quality is estimated to be at a maximum, from a value of a reception characteristic of said receiving terminal, a fluctuation factor of the communication quality when said communication quality s estimated to be at the maximum, and a required communication quality;
• a position-possible region measuring means for measuring a positioning-possible region when the communication quality is estimated to be at a minimum from said determined value of the origination characteristic of the one or more fixed originating terminals, said value of the reception characteristic of the receiving terminal, and said fluctuation factor when said communication quality is estimated to be at the minimum, wherein the positioning-possible region is a total area within which the receiving terminal can communicate with the one or more fixed originating terminals;
• and
• a number of fixed originating terminals obtaining means for obtaining a necessary number of fixed originating terminals from the positioning-possible region and a required positioning area, and an installation position determining means for determining an installation position of at least one additional originating terminal based on said positioning-possible region and said necessary number of the fixed originating terminals.

A device for positioning a receiving terminal in a positioning system in which a location of an originating terminal is determined based on a position of a receiving terminal that received information from the originating terminal, the device comprising:

• a reception characteristic determining means for determining a value of a reception characteristic of the receiving terminal which enables a required positioning accuracy to be satisfied when a communication quality is estimated to be at a maximum, from a value of an origination characteristic of said originating terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the maximum, and a required communication quality;
• a position-possible region measuring means for measuring a positioning-possible region based on the value of the reception characteristic of the receiving terminal when the communication quality is estimated to be at a minimum from the determined value of the reception characteristic of the receiving terminal, said value of the origination characteristic of said originating terminal, and said fluctuation factor when said communication quality is estimated to be at the minimum, wherein the positioning-possible region is a region within which the receiving terminal can communicate with the originating terminal;
• and
• an obtaining a necessary number of fixed receiving terminals means for obtaining a necessary number of fixed receiving terminals from the positioning-possible region and a required positioning area, and an installation position determining means for determining an installation position of at least one fixed receiving terminal based on the positioning-possible region and said necessary number of receiving terminals.

A program, stored on a non-transitory computer-readable medium, the program for positioning originating terminals in a positioning system in which a location of a receiving terminal is determined based on a position of an originating terminal that transmitted information that was received at the receiving terminal, the program causing a computer to execute a method comprising:

• determining a value of an origination characteristic of one or more originating terminals which enables a required positioning accuracy to be achieved, when a communication quality is estimated to be at a maximum, from a value of a reception characteristic of said receiving terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the maximum, and the required communication quality;
• measuring a positioning-possible region when the communication quality is estimated to be at a minimum from said determined value of the origination characteristic of the fixed originating terminal, said value of the reception characteristic of the receiving terminal, and said fluctuation factor when said communication quality is estimated to be at a minimum, wherein the positioning-possible region is a total area within which the receiving terminal can communicate with the one or more fixed originating terminals;
• and
• obtaining a necessary number of the fixed originating terminals from the positioning-possible region and the required positioning area, and determining an installation position of at least one fixed originating terminal based on said positioning-possible region and said necessary number of the fixed originating terminals.

A program, stored on a non-transitory computer-readable medium, the program for positioning a receiving terminal in a positioning system in which a location of an originating terminal is determined based on a position of a receiving terminal that received information from the originating terminal, the program causing a computer to execute a method comprising:

• determining a value of a reception characteristic of the receiving terminal which enables a required positioning accuracy to be satisfied when a communication quality is estimated to be at a maximum, from a value of an origination characteristic of said originating terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the maximum, and a required communication quality;
• measuring a positioning-possible region based the a value of the reception characteristic of the receiving terminal when the communication quality is estimated to be at a minimum from the determined value of the reception characteristic of the receiving terminal, said value of the origination characteristic of said originating terminal, and said fluctuation factor when said communication quality is estimated to be at the minimum, wherein the positioning-possible region is a region within which the receiving terminal can communicate with the originating terminal;
• and
• obtaining a necessary number of fixed receiving terminals from the positioning-possible region and a required positioning area, and determining an installation position of at least one fixed receiving terminal based on the positioning-possible region and said necessary number of receiving terminals.

A method of positioning originating terminals, in a positioning system in which a location of a receiving terminal is determined based on a position of an originating terminal that transmitted information that was received at the receiving terminal, the method comprising:

• determining a value of an origination characteristic of one or more fixed originating terminals which enables a required positioning accuracy to be achieved, when a communication quality is estimated to be at a first value, from a value of a reception characteristic of said receiving terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the first value, and the required communication quality;
• and
• measuring a positioning-possible region when the communication quality is estimated to be at a second value lower than the first value from said determined value of the origination characteristic of the fixed originating terminal, said value of the reception characteristic of the receiving terminal, and said fluctuation factor when said communication quality is estimated to be at the second value, wherein the positioning-possible region is a total area within which the receiving terminal can communicate with the one or more fixed originating terminals;
• and
• obtaining a necessary number of the fixed originating terminals from the positioning-possible region and the required positioning area, and determining an installation position of at least one fixed originating terminal based on said positioning-possible region and said necessary number of the fixed originating terminals.

A method of positioning receiving terminals in a positioning system in which a location of an originating terminal is determined based on a position of a receiving terminal that received information from the originating terminal, the method comprising:

• determining a value of a reception characteristic of the receiving terminal which enables a required positioning accuracy to be satisfied when a communication quality is estimated to be a first value, from a value of an origination characteristic of said originating terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the first value, and a required communication quality;
• and
• measuring a positioning-possible region based on the value of the reception characteristic of the receiving terminal when the communication quality is estimated to be a second value lower than the first value from the determined value of the reception characteristic of the receiving terminal, said value of the origination characteristic of said originating terminal, and said fluctuation factor when said communication quality is estimated to be at the second value, wherein the positioning-possible region is a region within which the receiving terminal can communicate with the originating terminal;
• and
• obtaining a necessary number of fixed receiving terminals from the positioning-possible region and a required positioning area, and determining an installation position of at least one fixed receiving terminal based on the positioning-possible region and said necessary number of receiving terminals.

A device for positioning originating terminals, in a positioning system in which a location of a receiving terminal is determined based on a position of an originating terminal that transmitted information that was received at the receiving terminal, the device comprising:

• an origination characteristic determining means for determining a value of an origination characteristic of one or more fixed originating terminals which enable a required positioning accuracy to be achieved, when a communication quality is estimated to be at a first value, from a value of a reception characteristic of said receiving terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the first value, and a required communication quality;
• a position-possible region measuring means for measuring a positioning-possible region when the communication quality is estimated to be at a second value lower than the first value from said determined value of the origination characteristic of the one or more fixed originating terminals, said value of the reception characteristic of the receiving terminal, and said fluctuation factor when said communication quality is estimated to be at the second value, wherein the positioning-possible region is a total area within which the receiving terminal can communicate with the one or more fixed originating terminals;
• and
• a number of fixed originating terminals obtaining means for obtaining a necessary number of fixed originating terminals from the positioning-possible region and a required positioning area, and an installation position determining means for determining an installation position of at least one additional originating terminal based on said positioning-possible region and said necessary number of the fixed originating terminals.

A device for positioning a receiving terminal in a positioning system in which a location of an originating terminal is determined based on a position of a receiving terminal that received information from the originating terminal, the device comprising:

• a reception characteristic determining means for determining a value of a reception characteristic of the receiving terminal which enables a required positioning accuracy to be satisfied when a communication quality is estimated to be at a first value from a value of an origination characteristic of said originating terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the first value, and a required communication quality;
• a position-possible region measuring means for measuring a positioning-possible region based the a value of the reception characteristic of the receiving terminal when the communication quality is estimated to be a second value lower than the first value from the determined value of the reception characteristic of the receiving terminal, said value of the origination characteristic of said originating terminal, and said fluctuation factor when said communication quality is estimated to be at the second value, wherein the positioning-possible region is a region within which the receiving terminal can communicate with the originating terminal;
• and
• an obtaining a necessary number of fixed receiving terminals means for obtaining a necessary number of fixed receiving terminals from the positioning-possible region and a required positioning area, and an installation position determining means for determining an installation position of at least one fixed receiving terminal based on the positioning-possible region and said necessary number of receiving terminals.

A program, stored on a non-transitory computer-readable medium, the program for positioning originating terminals in a positioning system in which a location of a receiving terminal is determined based on a position of an originating terminal that transmitted information that was received at the receiving terminal, the program causing a computer to execute a method comprising:

• determining a value of an origination characteristic of one or more originating terminals which enables a required positioning accuracy to be achieved, when a communication quality is estimated to be a first value from a value of a reception characteristic of said receiving terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the first value, and the required communication quality;
• and
• measuring a positioning-possible region when the communication quality is estimated to be at a second value lower than the first value from said determined value of the origination characteristic of the fixed originating terminal, said value of the reception characteristic of the receiving terminal, and said fluctuation factor when said communication quality is estimated to be at the second value, wherein the positioning-possible region is a total area within which the receiving terminal can communicate with the one or more fixed originating terminals;
• and
• obtaining a necessary number of the fixed originating terminals from the positioning-possible region and the required positioning area, and determining an installation position of at least one fixed originating terminal based on said positioning-possible region and said necessary number of the fixed originating terminals.

A program, stored on a non-transitory computer-readable medium, the program for positioning a receiving terminal in a positioning system in which a location of an originating terminal is determined based on a position of a receiving terminal that received information from the originating terminal, the program causing a computer to execute a method comprising:

• determining a value of a reception characteristic of the receiving terminal which enables a required positioning accuracy to be satisfied when a communication quality is estimated to be a first value, from a value of an origination characteristic of said originating terminal, a fluctuation factor of the communication quality when said communication quality is estimated to be at the first value, and a required communication quality;
• and
• measuring a positioning-possible region based on the value of the reception characteristic of the receiving terminal when the communication quality is estimated to be a second value lower than the first value from the determined value of the reception characteristic of the receiving terminal, said value of the origination characteristic of said originating terminal, and said fluctuation factor when said communication quality is estimated to be at the second value, wherein the positioning-possible region is a region within which the receiving terminal can communicate with the originating terminal;
• and
• obtaining a necessary number of fixed receiving terminals from the positioning-possible region and a required positioning area, and determining an installation position of at least one fixed receiving terminal based on the positioning-possible region and said necessary number of receiving terminals.