8 results about "Proximity based services" patented technology

Embodiments of this application provide a communication method and apparatus. The method includes: A first communication apparatus obtains a security policy corresponding to a proximity-based services group; determines, according to the security policy, whether to perform security protection on a payload field carried in a first message, and assigns a value to a field other than the payload field in the first message; and sends the first message to a second communication apparatus. The first communication apparatus is one of at least two members in the proximity-based services group. The technical solutions of this application can prevent the second communication apparatus from being spoofed, and reduce potential security risks.

A method, system and apparatus for group management for vehicle-to-anything (V2X) and Proximity Based Services (ProSe) groupcast. According to one aspect, a method in a wireless device (WD) includes discovering wireless devices (WDs) that are members of a group, and sending to the WDs that are members of the group a group discovery complete message. According to another aspect, a method in a WD includes listening for a group discovery signal indicating a group to which the WD belongs or seeks to join, and sending a group discovery response indicating that the WD seeks to join or remain in the indicated group.

Embodiments of this disclosure relate to declared areas for proximity-based services. In one aspect, a first communication device receives sensing information for a sensing device. The first communication device sends a request to the core network function of the communication network for declaring a declared area for a proximity-based service (ProSe) message. The first communication device receives a response to the request from the core network function. The response includes information indicating the declared area. The first communication device sends a request to the sensing device for providing sensing data and determines that at least one second communication device is within the declared area. The first communication device transmits a signal including the ProSe message via a sidelink. Therefore, in embodiments of this disclosure, ProSe service code declaration or relay is triggered directly and more quickly by sensing results. Declaration message flooding can be avoided.

Presented are systems and methods for authorization of proximity based services. A first wireless communication device may send, to a second wireless communication device, a message to access a network via the second wireless communication device as a relay node, using at least one authentication and key management for applications (AKMA) service. The message may include an AKMA key identifier (A-KID) and a freshness parameter. The first wireless communication device may generate a validation token to validate against another validation token of the second wireless communication device. The first wireless communication device may generate the validation token using the freshness parameter and a proximity based service function (PBSF) key (KPBSF).

Embodiments include a method for a first user equipment (UE) arranged to discover intermediate UE-to-network (U2N) relays that facilitate access to a communication network via a U2N relay. Such method includes receiving, from a third UE configured to operate as an intermediate U2N relay between the first UE and a second UE configured to operate as the U2N relay, a message associated with multi-hop relay discovery. The message includes a first portion generated by the third UE, a second portion generated by the second UE and a home public land mobile network (HPLMN) ID in clear text. Such method further includes identifying, based on the HPLMN ID included in the message, relay discovery security materials based on which to verify at least the first portion of the message. The method also includes verifying at least the first portion of the message based on the identified relay discovery security materials. Such method further includes, based on successful verification of at least the first portion, processing the message.

This application provides a communication method and a communication apparatus. A session management function of a relay terminal may determine a communication address of a proximity-based service key management function of the relay terminal based on information about the relay terminal and / or information about the proximity-based service key management function of the relay terminal. In this way, the session management function of the relay terminal obtains permanent identifier information of a remote terminal from a proximity-based service key management function of the remote terminal via the proximity-based service key management function of the relay terminal, so that the session management function of the relay terminal can complete mapping between a remote terminal report and a permanent identifier of the remote terminal.

Example embodiments of the present disclosure provide a solution for multi-hop proximity based service (ProSe), especially for boundary control and / or quality of service (QoS) control in multi-hop ProSe. In an example method, a first terminal device may transmit, to a second terminal device, an announcement message for a multi-hop relay discovery. The announcement message comprises a configuration for multi-hop proximity based service (ProSe).

A method for direct communication may be performed by a user equipment (UE) receiving a proximity based service (ProSe), and includes: acquiring a security policy corresponding to the ProSe; and establishing direct communication security with a UE initiating the ProSe based on the security policy. A device for direct communication may also implement the method.