JP2015537401A5

JP2015537401A5 -

Info

Publication number: JP2015537401A5
Application number: JP2015531328A
Authority: JP
Filing date: 2013-09-10
Publication date: 2016-11-10

Claims

A method, executed on a computer, for managing access to location information by one or more applications, the method comprising:
A first set of encrypted position signals received from the network of terrestrial transmitters using the first key Goshi condensate,
Position information from said first set of decoded position signal and determine by,
Identifying a first set of location information, wherein the first set of location information is identified based on a first service level corresponding to a first application ;
Encrypting the first set of location information with a second key ;
A computer-implemented method comprising providing the encrypted first set of location information to the first application.

Location information of said first set are executed on a computer according to claim 1, including the position coordinates of the one or more transmitters, at least one of timing correction value or atmospheric measurements from a network of terrestrial transmitters Method.

The method
Include the estimated coordinates of the position of the receiver can be calculated by using the decoded position signal, the position information of the first set, is executed on a computer according to claim 1 including the estimated coordinates of the receiver Method.

The decoded position signal includes data specifying the atmospheric measurements in each of the terrestrial transmitters, the estimated coordinates of at least one which is Oite measured on the decoded position signal and the receiver The computer-implemented method of claim 3, comprising altitude coordinates calculated using atmospheric measurements.

The method
Calculating the estimated coordinates of the position of the receiver using the decoded position signal ;
In the first the method comprising application to based on the permitted level of accuracy for calculating the corrected coordinates based on the estimated coordinates, the modified coordinates, low precision specification of the receiver from the estimated coordinates The computer-implemented method of claim 1, wherein the first set of position information includes the modified coordinates.

The method
Identifying a second set of location information, wherein the second set of location information is identified based on a second service level corresponding to a second application and is included in the specific location included in the first set Information is not included in the second set,
Encrypting the second set of location information with a third key;
The computer-implemented method of claim 1 , comprising providing the second set of location information to the second application.

The method
A second set of encrypted position signals received from the terrestrial transmitter network is decrypted using the first key or the third key, and the first set of encrypted position signals is The second set of encrypted position signals received at a first location of the receiver are receivers at a second location of the receiver;
Determining further position information from the second set of decoded position signals;
Identifying a second set of additional location information, wherein the second set of additional location information is identified based on a second service level corresponding to the second application;
Encrypting the second set of location information with a fourth key;
The computer-implemented method of claim 1 , comprising providing the second set of location information to the second application.

The method
Before identifying the first set of location information, determine whether information specifying the first service level is stored in the receiver;
When it is determined that the information specifying the first service level is not stored in the receiver, the first developer key corresponding to the first application is accessed,
Send the first developer key to the server,
2. The computer-implemented method of claim 1 , comprising receiving information specifying the first service level in response to transmission of the first developer key to the server.

9. The computer according to claim 8 , wherein the information specifying the first service level is included in a first authenticated service level certificate corresponding to the first application, and the certificate corresponds to the developer key. The method that is performed.

The first service level specifies a period during which any subsequent set of location information and any subsequent location information of the first set can be encrypted using the second key. A method executed on one computer.

The computer-implemented method of claim 1, wherein the second key is a session key generated after the position signal is decrypted.

Method first application running in a remote server, location information of the first set to be executed by a computer according to claim 1, which is provided to the remote server.

Wherein said method is executed by the first of the first computer of claim 1, based on the parameters specified in the certificate comprises determining the first service level corresponding to the application.

The method
Scrambling the location information before it is sent over an unprotected channel ,
A computer implemented method of claim 1, comprising descrambling the scrambled location information before identifying the first set.

The method
The first key is selected from among a plurality of keys, and the CRC field of the encrypted position signal decrypts the first set of encrypted position signals using the first key. Luke is passed through a check only if,
When the first key is selected from a plurality of keys, and the decrypted position signal data is decrypted using the first key, the first set of encrypted position signals. Only match against the expected range value, or
The first key is selected from a plurality of keys, and the packet data from the plurality of transmitters decrypts the first set of encrypted location signals using the first key. Only if one or more consistency checks are passed,
A computer implemented method of claim 1, comprising.

The computer-implemented method of claim 1, wherein the first set of location information includes transmitter location coordinates that are different from a network of terrestrial transmitters.

The first set of positional information includes timing correction values from a terrestrial transmitter network or positional information specifying pressure measurements from different transmitters in a terrestrial transmitter network. A method executed on one computer.

  The first set of position information includes position coordinates of one or more transmitters from a network of terrestrial transmitters, timing correction values of the one or more transmitters, or of the one or more transmitters. Atmospheric measurements measured at the location,
  The method
  The computer-implemented method of claim 1, comprising calculating estimated coordinates of the position of the receiver using the first set of position information.

The computer-implemented method of claim 1, wherein the first set of location information includes an estimated arrival time of the location signal generated from a network of terrestrial transmitters.

  The method
  Receiving the first set of encrypted position signals at a receiver, wherein the position signal does not specify a position of the receiver;
  Estimating the position of the receiver using the first set of position information;
  The computer-implemented method of claim 1 comprising:

21. A medium usable by a computer, wherein the method according to any one of claims 1 to 20 is executed by a computer, and program code readable by the computer is embodied therein.

21. A system for managing access to location information by one or more applications adapted to perform the method of any one of claims 1-20.