73 results about "Proximity based services" patented technology

Disclosed are a terminal registration method, a terminal discovery method, a terminal and a service device in the present application. The service device includes: a registration module (22) for receiving the registration of the terminal, assigning a Proximity-based Services identifier (ProSe ID) to the terminal, and associating application information of the terminal with the ProSe ID, wherein, the application information includes information for identifying applications; a discovery module (24) for instructing a base station to allocate discovery resources to the terminal, and transmitting a discovery result, wherein, the discovery resources are used for discovery between two terminals. By setting a ProSe service module, the present application can provide the support for ProSe services in the aspect of network architecture.

A Proximity-based Service (ProSe) registration method for a user equipment (UE) of a wireless communication system, used in a Mobility Management Entity (MME) of the wireless communication system is disclosed. The method includes: receiving an attach request or a tracking area update request for requesting ProSe UE registration from the UE; retrieving ProSe subscription information and ProSe preference settings related to the UE from a home subscriber server (HSS) of the wireless communication system and storing the ProSe subscription information and the ProSe preference settings related to the UE as a ProSe context of the UE; and transmitting a ProSe registration request including a ProSe identifier of the UE and the ProSe preference settings related to the UE to a ProSe server of the wireless communication system.

A method and apparatus for configuring a buffer status report (BSR) for a public safety transmission or a vehicle-related (V2X) transmission in a wireless communication system is provided. A user equipment (UE) configures a device-to-device (D2D) logical channel corresponding to the public safety transmission or the V2X transmission, and triggers a proximity-based services (ProSe) BSR for the D2D logical channel. The UE accommodates the triggered ProSe BSR in a media access control (MAC) protocol data unit (PDU) if the MAC PDU can accommodate only one BSR MAC control element (CE).

A method and apparatus for determining priorities of buffer status reports (BSRs) in a wireless communication system is provided. A user equipment (UE) generates a BSR for uplink transmission to a network and a proximity-based services (ProSe) BSR for device-to-device (D2D) transmission between UEs, and prioritizes the BSR for uplink transmission over the ProSe BSR.

Methods, systems, and devices are described for wireless communication at a UE. In accordance with the present disclosure, a number of user devices in a network may be divided into a plurality of service groups based in part on priority levels associated with each group. In some examples, a network may distribute a plurality of resource pools to each of the above-assigned groups. Thus, for proximity based service (ProSe) communication, user devices within each group may select resource pools corresponding to the priority levels of the groups associated with the user device. Thus, in accordance with the present disclosure, division of resources based on priority levels of groups and UEs may ensure greater reliability of access to resources for high priority communication.

A method of handling device to device communication for a first user equipment (UE) in a wireless communication system includes establishing a Radio Resource Control (RRC) connection to a network of the wireless communication system; and receiving a first RRC message indicating to the first UE to use a first data radio bearer (DRB) for a proximity-based services (ProSe) communication with a second UE of the wireless communication system, wherein the first DRB is different from a second DRB for communication between the first UE and the network.

A method and apparatus for canceling a proximity-based services (ProSe) buffer status report (BSR) in a wireless communication system is provided. A user equipment (UE) triggers at least one ProSe BSR, and cancels all triggered ProSe BSRs when one of events occur. The one of events may include that a physical layer problem or a radio link failure is detected. Further, during canceling all triggered ProSe BSRs, all pending scheduling requests (SRs) may not be canceled.

Systems, methods, apparatuses, and computer program products for a random access channel (RACH) procedure based proximity-based service channel allocation are provided. One method includes controlling receiving, by a network node, a request for proximity-based service on a random access channel, the request being for at least one resource, and determining whether the requested at least one resource is allocable within a random access contention window. When the at least one resource is allocable, the method may include preparing a transmission of allocation information on a common control channel. When the at least one resource is not allocable, the method may include preparing a response for the request on the random access response channel, and preparing a transmission of allocation information either on common control channel or dedicated control channel

A method of handling device to device communication for a first user equipment (UE) in a wireless communication system includes establishing a Radio Resource Control (RRC) connection to a network of the wireless communication system; performing a proximity-based services (ProSe) communication with a second UE of the wireless communication system; and transmitting a first message to the network when the first UE detects a radio link failure in the ProSe communication; wherein the first message indicates the radio link failure to the network or requests changing to a UE-to-network communication mode from a ProSe communication mode.

The invention discloses a proximity-based service relay node discovering method, a terminal and a proximity-based service communication system. The method comprises the following steps: a terminal serving as a central control point obtains identification information of a terminal which can serve as a proximity-based service relay node, the terminal which can serve as the proximity-based service relay node is determined by the terminal serving as the central control point according to terminal-reported relaying capability information, and the terminal serving as the central control point sends the obtained identification information of the terminal which can serve as the proximity-based service relay node. Proximity-based service relay node discovering is realized through the method provided by an embodiment of the proximity-based service relay node discovering method, the terminal and the proximity-based service communication system.

A method and apparatus for canceling a triggered proximity-based services (ProSe) buffer status report (BSR) in a wireless communication system is provided. A user equipment (UE) triggers at least one ProSe BSR, and cancels all triggered ProSe BSR if a specific condition is met. The specific condition may be that a device-to-device (D2D) scheduling assignment for a D2D scheduling period can accommodate all pending data available for D2D transmission or that the ProSe BSR is included in a media access control (MAC) protocol data unit (PDU) to be transmitted to a network.

Disclosed are security schemes for device-to-device (hereinafter referred to as “D2D”) discovery and D2D group communication in performing proximity based service (hereinafter referred to as “prose”), prose discovery, prose communication, and D2D group communication in a mobile communication network. A device that performs communication can perform a security method for prose discovery, prose communication, and group communication. On the other hand, User Equipment (UE) can perform safe communication by discovering another UE, receiving and verifying security related information in performing group communication. Accordingly, in an environment, such as an Evolved Universal Terrestrial Radio Access Network (hereinafter referred to as “EUTRAN”) or a Universal Terrestrial Radio Access Network (hereinafter referred to as “UTRAN”) / GSM / EDGE Radio Access Network (hereinafter referred to as “GERAN”), the UE can provide or receive information in a group, receive security key related information, and perform a security procedure using such a security key to enhance communication efficiency and security.

A method, apparatus and computer program product are provided to facilitate ProSe operation. In the context of a method, a mobile terminal is camped on to a second cell that does not proximity-based services (ProSe), while in a state in which context information not stored by a network. The method also determines whether signals are received from a first cell that does support ProSe and that satisfy a predefined condition, such as a predefined strength of the signals from the first cell, a predefined reliability metric, an allowed transmit power or a time for which one or more parameters will remain effective. In an instance in which the predefined condition is satisfied, the method also includes receiving discovery messages from a mobile terminal camped in the first cell, while being camped in the second cell.

A mobile communication device located within a radio signal coverage of a service network to serve as a relay User Equipment (UE) for Proximity-based Service (ProSe) UE-to-network relay is provided. The mobile communication device includes a wireless transceiver and a controller. The wireless transceiver performs wireless transmission and reception to and from the service network and a remote UE which is located out of the radio signal coverage of the service network. The controller transmits a Device-to-Device (D2D) Synchronization Signal (D2DSS) to the remote UE via the wireless transceiver in response to receiving a relay discovery message from the remote UE via the wireless transceiver, and requests radio resource allocation from the service network for the remote UE via the wireless transceiver in response to receiving a Direct Communication Request message from the remote UE via the wireless transceiver.

A method and apparatus for configuring a proximity-based services (ProSe) scheduling request (SR) prohibit timer in a wireless communication system is provided. A user equipment (UE) receives an indication of the ProSe SR prohibit timer from a network, and configures the ProSe SR prohibit timer according to the indication. Upon configuring the ProSe SR prohibit timer, the UE may start or stop the configured ProSe SR prohibit timer for a triggered ProSe BSR which may only correspond to a Regular ProSe BSR. If the ProSe BSR has been triggered and the ProSe SR prohibit timer is not running, the UE may trigger a SR.

The invention discloses a method, a terminal and a system for realizing communication. The method comprises the following steps: acquiring a proximity-based services identity (ProSe ID) and / or a first identity of a relay terminal, wherein the first identity is an identity or a prefix of communication under the coverage of the relay terminal; generating a second identity according to the ProSe ID and / or the first identity, wherein the second identity is an identity for communicating with the relay terminal; and sending a communication establishing request carrying the second identity to the relay terminal, and communicating with the relay terminal based on the second identity when a communication establishing response transmitted by the relay terminal is received.

A method and apparatus for configuring a device-to-device (D2D) discovery specific logical channel group (LCG) in a wireless communication system is provided. A user equipment (UE) calculates a buffer status for D2D discovery announcement, configures a specific LCG identifier (ID) to transmit the D2D discovery announcement, constructs a proximity based services (ProSe) buffer status report (BSR) based on the calculated buffer status and the configured LCG ID, and transmits the constructed ProSe BSR to an evolved NodeB (eNB).

In the performance of a proximity-based services (ProSe) user equipment (UE)-to-network relay operation, when a remote UE needs to transmit control / user plane data to a network, a relay UE may be in a radio resource control (RRC) idle state. At this time, the relay UE receives an RRC connection establishment cause from the remote UE, and performs an RRC connection establishment procedure for the ProSe UE-to-network relay of the remote UE on the basis of the received RRC connection establishment cause.

Provided are a method for transmitting sidelink terminal information of a terminal in a wireless communication system and a terminal utilizing the method. The method determines a cell to carry out a proximity-based service (Prose) action, and transmits, to a network, sidelink terminal information comprising information for identifying the cell.

A device-to-device (hereinafter referred to as “D2D”) discovery for D2D communication and a related security method during the D2D communication are provided when a proximity based service (hereinafter referred to as “prose”), prose discovery, prose communication, and the D2D communication are performed in a mobile communication network, and thus a device for performing communication is capable of carrying out a security method for the prose discovery and the prose communication. User Equipment (UE) discovers different UE from each other, performs authentication when performing terminal-to-terminal communication, and is capable of performing safe communication by receiving and verifying security related information. It is possible to carry out the authentication and control by the UE or by the assistance of a base station (eNB). Accordingly, communication efficiency and security can be enhanced by enabling a terminal (device) to mutually provide or receive information between terminals or by the assistance of a network, to receive security key related information, or to perform a security procedure using the security key in an environment, such as an Evolved Universal Terrestrial Radio Access Network (hereinafter referred to as “EUTRAN”), or a Universal Terrestrial Radio Access Network (hereinafter referred to as “UTRAN”) / GSM / EDGE Radio Access Network (hereinafter referred to as “GERAN”).

A communication device for handling a device-to-device (D2D) communication comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit. The instructions comprises receiving an announcement message comprising a proximity-based service (ProSe) Application Code comprising a public land mobile network (PLMN) identity; receiving system information comprising a plurality of PLMN identities; setting a monitored PLMN identity to the PLMN identity, if the plurality of PLMN identities comprises the PLMN identity; and transmitting a match report message comprising the monitored PLMN identity.

Method for sidelink operations for Proximity based Services (ProSe) in a multi Subscriber Identity Module (SIM) multi standby User Equipment (UE), the UE including at least a first SIM and a second SIM, may include detecting, by a sidelink management unit, whether one or more sidelink operations are triggered on the first SIM, the UE registered for the ProSe, determining, by the sidelink management unit, whether the one or more sidelink operations triggered on the first SIM are for a first activity or for one or more second activities, and reserving, by the sidelink management unit, at least one Radio Frequency (RF) resource of the UE for the first SIM to continue the one or more sidelink operations triggered on the first SIM if the one or more triggered sidelink operations are for the first activity.

Disclosed is an authentication method. The method comprises: a first proximity-based service (ProSe) functional entity delivering a configuration parameter to a user equipment (UE); and the UE initiating an authentication process to the first ProSe functional entity according to the configuration parameter, and after the first ProSe functional entity successfully authenticates the UE, the first ProSe functional entity allocating a D2D service temporary identifier to the UE. Also disclosed are an authentication system, the UE, and the ProSe functional entity.

A method for acquiring security related information for Proximity based security (Prose) search and prose communication by User Equipment (UE) in a mobile communication network is provided. A security communication method for UE for prose includes transmitting an attach request to an evolved Node B (eNB), receiving an attach response that includes security related information for the prose from the eNB, and performing device-to-device communication using the security related information.

A method of handling device to device communication for a first user equipment (UE) in a wireless communication system includes establishing a Radio Resource Control (RRC) connection to a network of the wireless communication system; performing a proximity-based services (ProSe) communication with a second UE of the wireless communication system; and transmitting a first message to the network when the first UE detects a radio link failure in the ProSe communication; wherein the first message indicates the radio link failure to the network or requests changing to a UE-to-network communication mode from a ProSe communication mode.

A method of handling device to device communication for a first user equipment (UE) in a wireless communication system includes establishing a Radio Resource Control (RRC) connection to a network of the wireless communication system; and receiving a first RRC message indicating to the first UE to use a first data radio bearer (DRB) for a proximity-based services (ProSe) communication with a second UE of the wireless communication system, wherein the first DRB is different from a second DRB for communication between the first UE and the network.

The invention provides a device-to-device restraint service discovery broadcasting method, a device-to-device restraint service discovery broadcasting device, a device-to-device restraint service discovery monitoring method, a device-to-device restraint service discovery monitoring device, and a system. The broadcasting method includes the following steps that: a broadcasting terminal (A-UE) sends a service request message to a proximity-based service (ProSe) server; the A-UE receives a discovery service code which is obtained by the ProSe server after successfully verifying the service request message; and the A-UE broadcasts the discovery service code. With the methods, devices and system of the invention adopted, the problem of a complicated D2D service discovery process caused by a condition that restraint service discovery must require the service permission of the ProSe server can be solved, and therefore, the A-UE can directly obtain broadcasting or authentication permissions from the ProSe server, and the A-UE does not need to obtain the broadcasting or authentication permissions by means of a ProSe function entity, and therefore, the process of service discovery can be simplified.