Lg Electronics Inc.

Sk Telecom Company, Ltd.

Hongbeom Ahn

Seongyun Kim

Heedong Choi

Seungmyeong Jeong

Seungkyu Park

Jaehyuk Choi

Dongjoo Kim

Younsung Chu

Young Lak Kim

Sungmin Baek

Sang Shin Lee

A method and an apparatus for vehicle-to-vehicle or V2V message service are disclosed. In at least one aspect, a method of operating a V2V message service apparatus in a V2V communication system includes when a first vehicle equipped with the V2V message service apparatus enters a particular road link, subscribing the first vehicle to a V2V message server with the particular road link as a topic, and receiving an event message including an event-situated road link as a topic from the V2V message server, and determining whether to issue an alarm corresponding to the event message based on a preceding and trailing relationship between the first vehicle and a second vehicle that published the event message.

Method and apparatus for vehicle-to-vehicle message service

A method for processing a request through a polling channel in a wireless communication system is provided according to one embodiment of the present invention. The method is performed by a first apparatus, and may comprise the steps of: transmitting to a second apparatus a retrieve response for a polling channel, including a first request which has been received from a third apparatus; receiving, from the second apparatus, a second request including a first response corresponding to the received first request; verifying whether a request identifier of the first response and a request identifier of the received first request are the same or not; and if the request identifier of the first response and the request identifier of the received first request are the same, transmitting the first response to the third apparatus.

Method for processing request through polling channel in wireless communication system and apparatus therefor

A method for forwarding a message in a wireless communication system according to an embodiment of the present invention is performed by an M2M device, and comprises the steps of: receiving a request message; checking whether the M2M device is a recipient of the request message, using a particular parameter included in the request message; when the M2M device is not a recipient of the request message, checking whether only one registrant M2M device exists other than the M2M device which has received the request message within one hop of the M2M device, wherein the registrant M2M device is in an M2M device in which one or more other M2M devices can be registered; and when the only one registrant M2M device is present within the one hop, forwarding the request message to the only one registrant M2M device, wherein the particular parameter may be a 'to' parameter.

Method and device for forwarding message in wireless communication system

A method for processing a request for stopping the receipt of notifications according to a notification subscription in a wireless communication system, according to an embodiment of the present invention may comprise the steps of: a first device, by which the method is performed, receiving from a second device a request for stopping the receipt of notifications according to a notification subscription; selecting a policy to process the request; and processing the request according to action information of the selected policy.

Method and apparatus for processing request for stopping notification receipt in wireless communication system

A method for re-arrangement of a group resource of an M2M device arranged according to a hierarchical tree structure is disclosed in accordance with one embodiment of the present invention. The method is performed by a first M2M device which owns a first group resource, and the method comprises the steps of: receiving, from a second M2M device, a specific request message for the first group resource; determining whether it is necessary to transfer at least one member of the first group resource as a member of a group resource of another M2M device; determining, in order to transfer the at least one member as a member of the group resource of the another M2M device, whether to use a group resource existing in the another M2M device or whether to generate a new group resource in the another M2M device; and if a new group resource is generated in the another M2M device, adding the at least one member as a member of the new group resource, wherein the first group resource is added as a member of the new group resource if the another M2M device is higher than the first M2M device in the hierarchical tree structure, and the new group resource is added as a member of the first group resource if the another M2M device is lower than the first M2M device in the hierarchical tree structure.

Method and apparatus for re-arrangement of group resource in wireless communication system

A method for processing a request message in a wireless communication system according to one embodiment of the present invention is performed by a first M2M device and comprising the steps of: receiving the request message directly from a transmission device; determining whether the transmission device is registered in the first M2M device; determining whether the request message is for handover setup if the transmission device is not registered in the first M2M device; storing handover information contained in the request message if the request message is for handover setup; updating registration information related to the transmission device according to the handover information; and transmitting a processing result regarding the request message to the transmission device.

Method for processing request message in wireless communication system and apparatus therefor

A method for changing schedule information in a wireless communication system according to an embodiment of the present invention is performed by a first M2M device and may comprise the steps of: receiving, from a second M2M device, a request for registering schedule information on a particular application; checking whether the schedule information on the particular application is included in schedule information of the first M2M device; if the schedule information on the particular application is not included in the schedule information on the first M2M device, checking whether a policy related to the schedule information of the first M2M device exists; if the policy exists, determining whether the states of the first M2M device and the second M2M device satisfy the policy; and if the states of the first M2M device and the second M2M device satisfy the policy, updating the schedule information of the first M2M device.

Method for changing schedule information in wireless communication system and device therefor

According to one embodiment of the present invention, a method for processing a notification message for applying a group policy to a notification subscription service in a wireless communication system is performed by a first M2M device, and comprises the steps of: receiving a plurality of notification messages; determining whether a group subscription ID matching with a group subscription ID pre-stored in the first M2M device is included in the plurality of received notification messages; indicating, by the group subscription ID, a group policy applied to the subscription service for the notification messages for member resources belonging to a specific group; and aggregating the notification messages in which the group subscription ID matching with the pre-stored group subscription ID is included, and applying, to the aggregated notification messages, the group policy corresponding to the group subscription ID.

Method for processing notification message in wireless communication system and apparatus therefor

A method for processing request messages between heterogeneous systems in a wireless communication system, the method being performed by a gateway device and possibly comprising the steps of: receiving an advertisement message on the services of a first node from the first node belonging to a first system; in case the advertisement message comprises an indicator that the services are shared with a second system, generating resources corresponding to the shared services and a resource for access control for the resources corresponding to the shared services; receiving a request message for retrieving information on the generated resources from a second node of the second system; if the second node has an access right to the retrieval, transmitting the information on the generated resources to the second node; receiving, from the second node, a request message for generating a resource, which corresponds to a service to be called selected from the information on the generated resources, as a child resource of the generated resources; and checking an access right for the generation of the child resource.

Method for processing request messages in wireless communication system, and device for same

The present invention relates to a method for authorizing a specific operation of a specific resource in a wireless communication system, and comprises receiving, from a requesting M2M device, a request for a specific operation of a specific resource, the operation request including an identifier of the requesting M2M device and the identifier being associated with an M2M service subscription resource derived using a credential of the requesting M2M device; searching the M2M service subscription resource using the identifier, and determining whether the requesting M2M device is authorized for a type of the specific resource using the M2M service subscription resource.

Method for service subscription resource-based authentication in wireless communication system

One embodiment of the present invention discloses a method for handling notification messages for applying a group policy to a notification subscription service in a wireless communication system. The method is carried out by a first M2M device and comprises the steps of: receiving a plurality of notification messages; determining whether a group subscription ID matching a group subscription ID that has been pre-saved on the first M2M device is included in the plurality of notification messages which have been received, wherein the group subscription ID indicates a group policy applied to a subscription service for notification messages for member resources belonging to a specific group; and aggregating notification messages containing the group subscription ID that matches the pre-saved group subscription ID, and applying the group policy corresponding to the group subscription ID to the aggregated notification messages.

Method for managing child resource of group member in wireless communication system and device for same

Provided is a method for guaranteeing the processing of a control operation in a wireless communication system, and the method is performed by a first machine-to-machine (M2M)/Internet of Things (IoT) device and can comprise the steps of: transmitting, to a third M2M/IoT device, a resource generation request for delivering a control message for directing a control operation of a second M2M/IoT device, wherein the resource generation request includes the contents of the control message, an indicator requesting a processing guarantee of the control operation or an identifier of the resource generation request; receiving a resource generation response to the resource generation request from the third M2M/IoT device; receiving a control result notification including a processing result of the control operation according to the indicator from the third M2M/IoT device, wherein the control result notification includes the identifier of the resource generation request; and checking whether the contents of the control message match the contents of the control result notification.

Method for guaranteeing operation of control message in wireless communication system and device for same

The present invention relates to a method for the notification of a resource subscription in a machine-to-machine (M2M) system and devices for same, the method comprising the steps of: detecting a change in the resources to subscribe to comprising a subscription resource as a child resource; generating a notification message including a value indicating the event category of the change in accordance with the second attribute information configured in the subscription resource; and determining if a reception device is reachable on the basis of the scheduling information configured in a scheduling resource for an M2M device and the scheduling information configured in a scheduling resource for the reception device, wherein: if the reception device is determined to be reachable on the basis of the scheduling information, the notification message is immediately transmitted to the reception device; and if the reception device is determined to be unreachable on the basis of the scheduling information, the notification message is processed by the M2M device according to the value of the first attribute information configured in the subscription resource, and the processed notification message is transmitted to the reception device after the reception device is recovered to a reachable state.

Method for delivering notification message in M2M system and devices for same

Disclosed is a method for notifying an attribute of an original resource of one entity to another entity in a wireless communication system according to one embodiment of the present invention. The method may comprise the steps of: receiving an update request for an 'announcedAttribute' attribute comprising a list of pre-notified attributes included in the original resource, for notifying a specific attribute of the original resource, wherein each attribute in the original resource is set to one of a mandatory announced (MA) type that should be notified mandatorily, an optional announced (OA) type that is optionally notified according to the contents of the specific attribute in the original resource, and a not announced (NA) type that is not notified; determining whether the specific attribute is the OA type; and notifying the specific attribute to all notified resources of the original resource if the specific attribute is the OA type.

Method and apparatus for managing specific resource in wireless communication system

According to one embodiment of the present invention, a method is disclosed for calculating the route of a journey (trip) identified by an origin and a destination using traffic information on a terminal, wherein the method comprises the steps of: receiving updated traffic information relating to a first route, while the terminal or a moving object on which the terminal is mounted is running on the first route; calculating a second route by using the updated traffic information; and transmitting, to a server, an entire route or a partial route of the calculated second route. Here, the calculated second route is compared with the first route, information about a partial route comprising one or more changed segment sequences is transmitted to the server, the segment sequence comprises one or more continuous segments, and the information relating to the partial route can comprise first segment information and final segment information about the segment sequence of the first route that will be substituted by respective segment sequences comprised in the partial route.

Growing community of inventors

Seoul, South Korea

Hongbeom Ahn