Abstract: A spectrum refarm system defines, for each of multiple geographic regions, a spectrum set that represents telecommunications spectrum blocks in use in a corresponding geographic region and a first distribution of technical allocations of each spectrum set. The first distribution of technical allocations for an identified spectrum set specifies telecommunications technologies that are deployed on the spectrum blocks in the identified spectrum set and a number of the spectrum blocks on which each technology is deployed. The spectrum refarm system can maintain the spectrum sets in a data store and modify information in the data store to cause a distribution of technical allocations for a first spectrum set to change from a respective first distribution to a second distribution. Information in the data store is also modified to cause a distribution of technical allocations for a second spectrum set to change from a respective first distribution to a third distribution.

Abstract: Various embodiments herein disclose a method camping a User Equipment (UE) on a cell, the method comprising: creating a combined Most Recently Used (MRU) list by merging a list 4G MRU frequencies with a Public Land Mobile Network (PLMN) having a 5GC and a list of 5G MRU frequencies, determining whether one of a 4G cell with 5G core (5GC) and a 5G cell is available for camping by performing a MRU scan on the combined MRU list; performing one of: camping on one of the 4G cell with 5G core and the 5G cell in response to determining that one of the 5G cell and the 4G cell with 5G core is available and performing a 4G MRU frequency scan on a list of 4G without 5GC MRU frequencies in response to determining that one of the 4G cell with 5G core and the 5G cell is not available.

Abstract: A communication device electrically connecting to a vehicle including an engine performs a periodic network search to search for a predetermined network when a network currently used by the communication device is not the predetermined network. The communication device restricts performance of the periodic network search during an off period in which the power source is in an off state.

Abstract: The present disclosure addresses missing procedures on subscription to notification of subscription data changes in current standards and provides for amending the “Policy Data Subscription” data structure to indicate that the URI of the “Policy Data Subscriptions” resource and the URI of the “Individual Policy Data Subscription” resource are excluded from the list of resources for which a modification triggers a notification. The present disclosure also provides for new attributes to be included in the “Policy Data Change Notification” data type.

Abstract: The present disclosure provides a paging method, a positioning information sending method, a core network node and a base station, and relates to the technical field of communication. The paging method is applied to the core network node in a satellite Internet communication system and comprises the following steps: acquiring the setting mode of the tracking area TA in the satellite Internet communication system; determining the base station for paging the terminal according to the setting mode; and sending a paging message to the base station; wherein the setting mode comprises one of the following setting mode: dividing the satellite Internet communication system one TA; setting at least two fixed TAs; and setting at least two non-fixed TAs.

Abstract: A method and system for a device-based smart NAT selection. A method includes receiving a request from a user equipment (UE) for access to a mobile network. The method further identifies a configuration profile embedded in the request from the UE. In response to identifying, the mobile network identifies a plurality of connection preferences in the configuration profile. The method further enables the mobile network to select one of the plurality of the connection preferences for accessing the mobile network by the UE. The method further connects the UE to the mobile network according to the selected one of the connection preferences.

Abstract: A communication device that attaches to a network and performs radio communication, the communication device is configured to receive, from the network, a reject message indicating rejection in response to a request from the communication device to the network or a request for a detach from the network. The communication device is configured to transmit an attach request message to the network. The communication device configured to determine that a state of a service contract with respect to the network is a contract-canceled state when a first condition is satisfied and then a second condition is satisfied, wherein the first condition is a condition that the receiver consecutively receives the reject message from the network over a predetermined time period, and the second condition is a condition that the attach request message transmitted by the transmitter is rejected by the network.

Abstract: An electronic device according to various embodiments may comprise: a touch-responsive display; a wireless communication circuit configured to transmit/receive a radio signal; a processor operatively connected to the wireless communication circuit and the display; and a memory operatively connected to the processor.

Abstract: MBS key distribution includes processing group information associated with an MB session context received from an AF. At least a portion of the group information comprises a TMGI. A plurality of session join requests received from a plurality of UEs are processed. Each of the plurality of session join requests include the TMGE and are associated with the MB session context. A request associated with the MB session context for transmission to an MB-SMF is encoded. A response associated with the MB session context received from the MB-SMF is processed. The response includes a key derived for each of a portion of the plurality of UEs using a UE ID and the TMGI. A DL NAS message and an N2 message are encoded for the plurality of UEs and a base station, respectively. The DL NAS message and the N2 message include the derived key.

Abstract: Approaches of reassigning a home region from a first data center to a second data center as requested by a customer are described herein. The home region is able to implement write operations to a domain, whereas other data centers cannot implement write operations to the domain. The customer can request the home region being reassigned to another data center such that the customer can utilize the other data center to implement write operations to the domain.

Abstract: The disclosures relates to a method of provisioning a subscriber profile into a subscriber data store of an IP Multimedia System (IMS) capable telecommunications network, the subscriber profile being for a subscriber which is a visiting subscriber with respect to the IMS-capable telecommunications network, the subscriber data store being for use in IP Multimedia System (IMS) call processing, the method comprising: receiving a request to allocate an IMS Access Point Name (APN); and in response to receiving the request to allocate the IMS APN, triggering a provisioning of the subscriber profile into the subscriber data store.

Abstract: An operator system of a wireless communication network operator sends, to a regulator system of a regulator, a record that includes information about administration of a subscription identifier associated with the wireless communication network operator. Responsive to sending the record to the regulator system, the operator system receives a response that indicates whether the regulator system approves of or rejects the record being added to a permissioned distributed database that is distributed at least in part between the regulator system and the operator system. The operator system adds or does not add the record to the permissioned distributed database depending on the response.

Abstract: A user equipment (UE) is configured to prioritize a plurality of Public Land Mobile Networks (PLMNs) from an aggregate roaming priority public land mobile network (RPPLMN) list containing the plurality of PLMNs into a plurality of prioritized PLMNs and connect to a selected PLMN from the plurality of prioritized PLMNs based on a priority of the selected PLMN. The UE is further configured to determine if an application processor (AP) assisted location service is available, wherein the AP-assisted service is configured to identify a plurality of deployed PLMNs and a plurality of frequencies used by the plurality of deployed PLMNs at a current geographical location of the UE and when the AP) assisted location service is available, determining if a registered PLMN (RPLMN) is valid in a current mobile country code (MCC).

Abstract: A method for routing inter-public land mobile network (inter-PLMN) messages relating to existing subscriptions with a network function (NF) repository functions (NRFs) includes, at a security edge protection proxy (SEPP) implemented using at least one processor, automatically populating, by the SEPP, a subscription identifier to target NRF resource identification information mapping database accessible to the SEPP with mappings between subscription identifiers and target NRF resource identification information. The method further includes receiving an inter-PLMN message for modifying or deleting a subscription. The method further includes reading a subscription identifier from the message for modifying or deleting the subscription. The method further includes using the subscription identifier from the message for modifying or deleting the subscription to access the database and obtain an identifier associated with an NRF that created the subscription.

Abstract: A mobile communication device for receiving an ad hoc temporary upgrade in quality of service (QoS). The mobile communication device comprises a processor, at least one cellular radio transceiver, a non-transitory memory, and an ad hoc service upgrade application. When executed by the processor, the application monitors wireless cellular communication on a network via the at least one cellular radio transceiver, detects a significant delay in the communication, generates a prompt on a GUI, the prompt comprising a plurality of options for an ad hoc temporary upgraded QoS, where each option is associated with a time period. The application further, based on a user input, requests a preferred roaming list (PRL) associated with the temporary upgraded QoS, receives the PRL, wherein the PRL is associated with providing the upgraded QoS on an allocated spectrum, activates the received PRL, and upon expiration of the time period, deactivates the received PRL.

Abstract: At switch-on or when recovering from lack of coverage, a UE determines first frequency bands corresponding to an initial MCC of a country in which the UE currently is located (402). The frequency bands include a first set of frequency bands associated with a network carrier to which the UE is subscribed and a second set of frequency bands not associated with the network carrier (404). The UE scans the first set of frequency bands (406). In response to detecting a new MCC and determining that no service is available within the first set of frequency bands (408), the UE scans a third set of frequency bands preferred by the UE within a second plurality of frequency bands corresponding to the new MCC (410). In response to determining that no service is available within the third set of frequency bands, the UE scans the second set of frequency bands (412).

Abstract: Empirical data of exit nodes are continuously monitored and each exit node's overall performance and available capacity are calculated. The empirical data can include monitoring the number of concurrent requests currently being executed by each exit node and the disconnection chronology of each exit node. Further, each exit node is tested by benchmark requests and ping messages and each exit node's quality rate is calculated. Additionally, systems and methods are provided to select an exit node with the highest quality and available capacity value, from a particular pool to route the user request.

Abstract: Various designs for optimization of carrier aggregation (CA) capability signaling are discussed. A user equipment (UE) configured for CA determines to signal supported CA combinations that include a band, the band being one of a first band and a second band. The first band is a superset of the second band. The UE signals the supported CA combinations that include the band to the network. A base station receives a signal indicating the CA combinations supported by the UE that include the band. The base station determines CA combinations that include the first band and CA combinations that include the second band based on the CA combinations received from the UE.

Abstract: Embodiments of the present application provide a paging method, applied to a wireless communications system. When downlink data to a terminal reaches a first access network device from a core network, the first access network device is triggered to determine a paging parameter of the terminal, and to send, based on the paging parameter, a paging message to the terminal through the first access network device or a second access network device.

Abstract: In some implementations, a first network device may be associated with a serving gateway control plane function of a core network. The first network device may send, via a first interface, an association message to a second network device that is associated with a session management function and a packet data gateway control plane function of the core network. The first network device may receive selection information from the second network device via the first interface. The first network device may select, based on the selection information, a third network device that is associated with a serving gateway user plane function of the core network. The first network device may cause the third network device to route traffic for a packet data network session associated with a user device.

Abstract: A method for associating and authenticating a station (STA) with a coordinated access point (AP) group may include generating a pairwise master key (PMK) between the STA and a coordinator of the coordinated AP group, and maintaining an association and authentication state between the STA and the coordinated AP group based on the PMK. The method may further include generating one or more temporal keys between the STA and the coordinator based on the PMK. The method may further include distributing the PMK from the coordinator to a first member AP and a second member AP of the coordinated AP group. The method may further include generating a first temporal key between the STA and the first member AP, and generating a second temporal key between the STA and the second member AP.

Abstract: Some embodiments provide a method for quantifying quality of several service classes provided by a link between first and second forwarding nodes in a wide area network (WAN). At a first forwarding node, the method computes and stores first and second path quality metric (PQM) values based on packets sent from the second forwarding node for the first and second service classes. The different service classes in some embodiments are associated with different quality of service (QoS) guarantees that the WAN offers to the packets. In some embodiments, the computed PQM value for each service class quantifies the QoS provided to packets processed through the service class. In some embodiments, the first forwarding node adjusts the first and second PQM values as it processes more packets associated with the first and second service classes. The first forwarding node also periodically forwards to the second forwarding node the first and second PQM values that it maintains for the first and second service classes.

Abstract: Various communication systems may implement network management tools to help manage registration requests from a user equipment. For example, network functions in a communication system with a shared data layer may be used to manage requests from the user equipment. A method may include transmitting a request from a user equipment to a network function. The method may also include receiving at the user equipment a temporary identification from the network function The temporary identification comprises an identifier that helps locate a shared data layer function that stores context information for the user equipment. In addition, the method may include transmitting from the user equipment a subsequent request comprising the temporary identification to another network function or the network function.

Abstract: A mobile device (UE) may access standalone non-public networks (SNPNs) in various different locations as equivalent SNPNs (eSNPNs) corresponding to a home SNPN of the device. The device may obtain a list of eSNPNs corresponding to the home SNPN, and may access a second SNPN at a location different from a location of the home SNPN, in response to identifying the second SNPN and the list including the second SNPN as an eSNPN corresponding to the home SNPN of the device. The eSNPNs may include roaming eSNPNs (ReSNPNs) for accessing an enterprise NPN globally and/or at various different locations. The eSNPN/ReSNPN list may be maintained in a new network identifier management function (NMF). NPNs may be implemented as network slice instances (NSIs) via identifying data in the single network slice selection assistance information (S-NSSAI). Multiple credentialed SNPNs of a UE may be prioritized for access by the UE.

Abstract: Methods and systems for recovering from SOR failures are provided. A method performed by a user equipment (UE) in a wireless communication system, the method comprises detecting a steering of roaming (SOR) failure during registering with a first visitor-public land mobile network (VPLMN) or after registration with the first VPLMN, wherein the UE operates in a manual mode; switching the manual mode to an automatic mode based on a determination that the SOR failure occurs; and performing PLMN selection procedure to obtain service on a second VPLMN which is a higher priority than the first VPLMN.

Abstract: A wireless device derives first paging occasions of a first public land mobile network (PLMN) based on an international mobile subscriber identity (IMSI) of the wireless device and second paging occasions of a second PLMN. The wireless device determines a collision between the first paging occasions and the second paging occasions. Based on determining the collision, the wireless device sends, to a core network node of the first PLMN, a requested IMSI offset value for offsetting the IMSI of the wireless device. the wireless device receives, from the core network node, an accepted IMSI offset value for offsetting the IMSI of the wireless device. The wireless device monitors third paging occasions of the first PLMN. The third paging occasions are derived based on an alternative IMSI equal to a sum of the IMSI of the wireless device and the accepted IMSI offset value.

Abstract: A method for improving roaming configuration efficiency including providing a GUI including roaming configuration data for roaming partner network operators. The method includes receiving, at a roaming configuration management (RCM) server and via the GUI, updated roaming configuration data for a first roaming partner network operator and updated roaming configuration data for a second roaming partner network operator. The method includes applying the updated roaming configuration data for the first roaming partner network operator to a first set of network entity data associated with the first roaming partner network operator and the updated roaming configuration data for the second roaming partner network operator to a second set of network entity data associated with the second roaming partner network operator. The method includes providing the updated roaming configuration data for the first and second roaming partner network operators.

Abstract: An architecture for dynamically selecting and routing traffic from Internet of things (IoT) devices and sensors to the nearest or most proximate IoT hub device. A method can comprise receiving a connection request from a user device; retrieving address data representing a network device of a group of network devices; and sending the address data to the user device.

Abstract: A system for automatic generation of a work site equipment grouping is provided. The system includes a plurality of work machines, each work machine configured to wirelessly communicate with other work machines. The system also includes a local area network including a plurality of communicatively connected nodes. The nodes include the work machines. The work machines are configured to create and join the local area network when the work machines are within a signal range of one or more of the plurality of nodes.

Abstract: A computer-implemented method is provided for mapping IP addresses and domain names to organizations. The method includes receiving, by a mapping system from an data provider, a dataset related to a plurality of users of the data provider. The dataset includes (a) an IP address for a user device of each user of the plurality of users, and (b) a domain name for a user account of each user of the plurality of users; enriching, by an analytics engine of the mapping system, the received dataset with enrichment data from an enrichment source; receiving, by the analytics engine from a storage medium, historical data relevant to the enriched dataset; and mapping, by the analytics engine, (i) the IP address and/or (ii) the domain name of each user of a portion of the plurality of users to an organization based on the enriched dataset and the historical data.

Abstract: Some embodiments provide a method for quantifying quality of several service classes provided by a link between first and second forwarding nodes in a wide area network (WAN). At a first forwarding node, the method computes and stores first and second path quality metric (PQM) values based on packets sent from the second forwarding node for the first and second service classes. The different service classes in some embodiments are associated with different quality of service (QoS) guarantees that the WAN offers to the packets. In some embodiments, the computed PQM value for each service class quantifies the QoS provided to packets processed through the service class. In some embodiments, the first forwarding node adjusts the first and second PQM values as it processes more packets associated with the first and second service classes. The first forwarding node also periodically forwards to the second forwarding node the first and second PQM values that it maintains for the first and second service classes.

Abstract: A method and apparatus provide for low latency transmissions. A higher layer configuration can be received at a device. The higher layer configuration can be higher than a physical layer configuration. The higher layer configuration can indicate configuring the device with a low latency configuration for a low latency transmission mode in addition to a regular latency configuration for a regular latency transmission mode. The low latency transmission mode can have a shorter latency than the regular latency transmission mode. A packet can be received based on one of the low latency configuration and the regular latency transmission mode in a subframe n. A feedback packet can be transmitted in a following subframe n+p, where p<4 when the received packet is based on the low latency configuration. The following subframe n+p can be the pth subframe from the subframe n.

Abstract: Network circuitry authorizes User Equipment (UEs) for wireless services from wireless networks. The network circuitry stores lists of network identifiers that are associated with UE types. The network circuitry receives an authorization request that indicates a network identifier and a UE type. The UE type comprises model, operating system, user application, and/or radio frequency. The network circuitry retrieves a networks list for the UE type and compares the network identifier from the authorization request to the network identifiers on the network list. The authorization circuitry authorizes the UE responsive to a match between the network identifier from the authorization request and a network identifier on the network list.

Abstract: A technique for enabling signaling message correlation in a telecommunication network is disclosed. A method implementation of the technique is performed by a network node in the telecommunication network and includes receiving a first signaling message as part of a signaling procedure among a plurality of network nodes in the telecommunication network, the first signaling message being transmitted using a first signaling protocol and including a correlation identifier being propagated along a message flow of the signaling procedure, and triggering transmitting a second signaling message as part of the signaling procedure using a second signaling protocol different from the first signaling protocol, wherein the correlation identifier of the first signaling message is incorporated into the second signaling message for further propagation.

Abstract: This application provides a method, an apparatus, and a system for sending a terminal policy. After determining that a terminal is not reachable, a mobility management network element may send, to a visited policy control function network element, a notification indicating that a first message fails to be forwarded. The visited policy control function network element may determine, based on the notification, a first PTI allocated by a home policy control function network element to a first policy, and send, to the home policy control function network element, both the first PTI and the indication indicating that the first message fails to be forwarded, to notify the home policy control function network element.

Abstract: The present disclosure relates to a communication technique for convergence of an IoT technology and a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safety-related services, etc.) on the basis of a 5G communication technology and IoT-related technology. The present invention provides a method and an apparatus for discovering and selecting a private network by a terminal.

Abstract: An IoT service of a provider network may be used to increase the edge device address space while complying with a radio communication protocol. This may allow a service provider to manage a much larger number of client devices that use a particular radio communication protocol that specifies a limited address space (e.g., LoRaWAN). When the IoT service receives a join request via a private gateway of the client network, the service determines, based on the private gateway ID, the client ID of the client that owns the private gateway/client network. The service may generate a unique internal ID for the edge device by combining the client ID with an assigned device ID. The internal ID identifies the edge device as an activated device of the edge network.

Abstract: A method and a device for reporting an identity are provided according to embodiments of the present disclosure. The method includes: when determining that the number of bits of a temporary mobile subscriber identity (S-TMSI) is greater than M, selecting M bits from the bits of the S-TMSI, M being a predetermined positive integer; and transmitting a first message 3 (MSG 3) to a network device, where the first MSG 3 carries the M bits.

Abstract: Technology for wireless transmission of messages to remote receiving devices is disclosed. The technology includes receiving a message for transmission, determining transmission parameters for transmission of the message, and transmitting the message to a remote receiving device according to the determined transmission parameters. The technology may also include encoding the message to effect message latency and may be employed for message transmission via the ionosphere or other atmospheric layer at frequencies in the Medium Frequency (MF), High Frequency (HF), or Very High Frequency (VHF) spectrum. Further, the disclosed technology may be employed for message transmission to effect low latency financial transaction execution, such as high speed high frequency trading.

Abstract: An IP Multimedia Subsystem Service Control Point (IMS-SCP) module of a carrier network may provide trigger management for a request for a circuit switched (CS) call. For example, an IMS-SCP module may receive an request for a CS call associated with a user equipment. The IMS-SCP module may determine handling of the request for the CS call includes one or more first operations by a first feature platform and one or more second operations by a second feature platform. In response to the determining, the IMS-SCP module may perform trigger management associated with the request for the CS call. The trigger management may include invoking, by the IMS-SCP module, the one or more first operations of the first feature platform and, subsequent to the invoking the one or more first operations, invoking the one or more second operations of the second feature platform.

Abstract: Systems, methods, and devices of the various embodiments enable efficient broadcast service acquisition by ROM computing devices. In various embodiments, the Multimedia Broadcast Multicast Service (MBMS) Service Identifiers (IDs) for broadcast services intended for use by receive-only mode (ROM) computing devices may be divided into ranges by broadcast service type.

Abstract: A computer implemented method of a first network access point to provide network access for a mobile device, the mobile device associated with a second network access point by a digitally signed record in a blockchain wherein the blockchain is accessible via a network and includes a plurality of records validated by miner computing components, wherein the mobile device has associated a quantity of cryptocurrency by a digitally signed record in the blockchain, the method including receiving a request from the mobile device to access the network; generating a first new record for storage in the blockchain to transfer a predetermined quantity of cryptocurrency associated with the requester to be associated with the first access point, the first new record being validated by the miner components; responsive to the validation of the first new record, notifying the second access point of the request of the mobile device to access the network; responsive to a validation of a second new record in the blockchain, the

Abstract: The present disclosure encompasses a system and a method for availing a data service by a user equipment [110] in an international location. In an embodiment, the user equipment [110], in the international roaming, transmits an attach request to a second network, wherein the user equipment [110] configured with a SIM [120]. The user equipment [110] then receives a rejection message or an acceptance message from the second network based on the attach request. On receiving the acceptance message, the user equipment [110] establishes a connection with the second network to extract an IMPI from the SIM, an IMSI from the IMPI; and a network parameter from the IMSI. The user equipment [110] then identifies a configuration parameter of the home network, corresponding to the network parameter. Finally, the user equipment [110] avails the data service using the configuration parameter.

Abstract: Systems and methods are provided for performing a live upgrade process of one or more devices (e.g., access points (APs), etc.) in a large scale network environment. For example, the system can use neighbor path loss data between the APs. The neighbor path loss data may identify the signal strength between two points as an indication of the ability to transmit power and receive power from the individual APs. When the ability to transmit and receive power is present in one AP is unavailable the user device may connect to a second AP to avoid losing connectivity. This neighbor path loss data may be utilized to perform a live upgrade process of APs in parallel at multiple locations of the user site.

Abstract: Systems, methods, and computer-readable media are disclosed for measurement of trustworthiness of network devices prior to their configuration and deployment in a network. In one aspect of the present disclosure, a method for pre-configuration of network devices includes receiving, at a dynamic host configuration server, a first request from a network device for configuration data, the configuration data including at least an IP address; sending, by the dynamic host configuration server, a second request to the network device for attestation information; verifying, by the dynamic host configuration server, the network device based on the attestation information; and assigning, by the dynamic host configuration server, the configuration data to the network device upon verifying the network device.

Abstract: The present invention provides a mobile device connection device and a mobile device remote plug-and-play system. The mobile device connection device includes a USB port connected to a mobile device and a communication module for wireless communication with a WiFi access point (AP), and the mobile device connection device performs wireless communication through the WiFi AP. Instant plugging and unplugging can be achieved, the distance limitation can also be overcome, and the user experience is good.

Abstract: Systems and methods are disclosed that enable an operator of a packet switched network to provide mobile telephone services in cooperation with an operator of a cellular network.

Abstract: The present invention relates to user equipment, an electronic device, a wireless communication method, and a storage medium. According to the present invention, the user equipment comprises a processing circuit, configured to: detect a physical downlink control channel (PDCCH) on a first bandwidth part of an unlicensed frequency band in a detection time of a discontinuous reception (DRX) period; and detect the PDCCH on a second bandwidth part of the unlicensed frequency band when the PDCCH is not detected on the first bandwidth part. By using the user equipment, the electronic device, the wireless communication method, and the storage medium in the present invention, a DRX mechanism of the user equipment operating on the unlicensed frequency band can be improved.

Abstract: A method is performed by a control center that resides in a home network. Upon receiving, from access networks, attach requests from user equipments (UEs) when the UEs attempt to connect to the access networks, the control center computes a baseline attach failure rate for the attach requests. The control center initially sets a billing type for a UE of a subscriber to usage based billing. Upon receiving, from the access networks, attach requests from the UE when the UE attempts to connect to the access networks, the control center computes an individual attach failure rate for fulfilling the attach requests from the UE. The control center determines whether the individual attach failure rate for the UE exceeds the baseline attach failure rate. When the individual attach failure rate exceeds the baseline attach failure rate, the control center automatically switches the billing type for the UE to flat rate billing.

Abstract: The subject matter described herein includes methods, systems, and computer readable media for monitoring machine type communications (MTC) device related information. One method occurring at an service capability exposure function (SCEF) node includes receiving a monitoring configuration request associated with an MTC device; sending, to a home subscriber server (HSS), a send routing information (SRI) request for requesting a serving network node associated with the MTC device; receiving, from the HSS, an SRI response indicating the serving network node associated with the MTC device; sending, to the serving network node, an insert subscriber data (ISD) request for requesting device related information; and receiving, from the serving network node, an ISD response including the device related information.