# US 2024/0205200 A1 · A system for receiving by a gnb a location information, corresponding deciphering server and gnss chipset

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- Number: US 2024/0205200 A1
- Document ID: US20240205200A1
- Status: Published application
- Kind: A1
- Application number: 18/554,826
- Filed: 2022-03-29
- Published: 2024-06-20
- Earliest claimed: 2021-04-12
- Assignees: Thales Dis France SAS; Thales
- Applicants: Thales Dis France SAS; Thales
- Inventors: Jean-Yves FINE; Vincent DANY; Camille BUI; Nicolas CHUBERRE
- Web page: https://patentgrep.com/patent/US20240205200A1

## CPC

- H04L 63/0442: {wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption (cryptographic mechanisms or cryptographic arrangements for public-key encryption H04L9/30)}
- H04W 12/02: Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
- H04W 12/03: Protecting confidentiality, e.g. by encryption
- H04W 12/40: Security arrangements using identity modules
- G01S 19/14: specially adapted for specific applications
- G01S 19/37: Hardware or software details of the signal processing chain
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES

## Abstract

The invention concerns a system for receiving by a gNB a location information sent by a GNSS chipset comprised in a mobile equipment, the location information being part of a signalling message as part of an initial access procedure, before network dedicated signaling ciphering setup procedure occurs, the GNSS chipset returning to the mobile equipment the location information concealed by a crypto scheme that does not need any diversification from one chipset to another, the concealed location information being de-concealed by a deciphering server at the level of the gNB by a reversed crypto scheme that does not need any diversification from one chipset to another for sending the location information in clear to a dedicated 5G core network, the dedicated 5G core network being the one able to handle a communication with the mobile equipment.

## Claims

### Claim 1

A system for receiving by a correct core network (gNB) a location information sent by a Global Navigation Satellite System (GNSS) chipset comprised in a mobile equipment, said location information being part of a signalling message as part of an initial access procedure, before network dedicated signaling ciphering setup procedure occurs, said GNSS chipset returning to said mobile equipment said location information concealed by a crypto scheme that does not need any diversification from one chipset to another, said concealed location information being de-concealed by a deciphering server at the level of said gNB by a reversed crypto scheme that does not need any diversification from one chipset to another for sending said location information in clear to a dedicated 5G core network, said dedicated 5G core network being the one able to handle a communication with said mobile equipment.

### Claim 2 (depends on 1)

A system according to claim 1, wherein said crypto scheme is an Elliptic Curve Integrated Encryption Scheme (ECIES) crypto scheme.

### Claim 3 (depends on 1)

A system according to claim 1, wherein said gNB is a gNB-NTN.

### Claim 4 (depends on 1)

A system according to claim 1, wherein said chipset is a telecommunication chipset.

### Claim 5 (depends on 1)

A system according to claim 1, wherein said chipset is a secure element.

### Claim 6

A deciphering server at the level of a a correct core network (gNB) using by a crypto scheme that does not need any diversification from one chipset to another for sending a concealed location information in clear to a dedicated 5G core network, said concealed location information being concealed by said crypto scheme in a GNSS chipset comprised in a mobile equipment, said dedicated 5G core network being the one able to handle a communication with said mobile equipment.

### Claim 7

A Global Navigation Satellite System (GNSS) chipset comprised in a mobile equipment, said GNSS chipset receiving a location information being part of a signalling message as part of an initial access procedure, before network dedicated signaling ciphering setup procedure occurs, said GNSS chipset returning to said mobile equipment said location information concealed by a crypto scheme that does not need any diversification from one chipset to another scheme.