Patent application number | Description | Published |
20110009094 | Method and Apparatus for Reliable Broadcast/Multicast Service - A method is provided for use by a user terminal ( | 01-13-2011 |
20110035787 | Access Through Non-3GPP Access Networks - When setting up communication from a user equipment UE ( | 02-10-2011 |
20110264913 | METHOD AND APPARATUS FOR INTERWORKING WITH SINGLE SIGN-ON AUTHENTICATION ARCHITECTURE - A method is provided for use in interworking a single sign-on authentication architecture and a further authentication architecture in a split terminal scenario. The split terminal scenario is one in which authentication under the single sign-on authentication architecture is required of a browsing agent ( | 10-27-2011 |
20120027211 | Security Key Management In IMS-Based Multimedia Broadcast And Multicast Services (MBMS) - A system, method, and nodes for managing shared security keys between a User Equipment, UE, an authentication node such as an SCF/NAF, and a service node such as a BM-SC or AS. The SCF/NAF allocates to each BM-SC, a different SCF/NAF identifier such as a fully qualified domain name, FQDN, from the FQDN space the SCF/NAF administers. The SCF/NAF then locally associates these allocated FQDNs with the connected BM-SCs and with different services. The network sends the correct FQDN to the UE in a service description for a desired service, and the UE is able to derive a security key using the FQDN. When the UE requests the desired service, the SCF/NAF is able to associate the service identifier with the correct FQDN and an associated BM-SC. The SCF/NAF uses the FQDN to obtain the security key from a bootstrapping server and sends it to the associated BM-SC. As a result, the UE and the associated BM-SC share a specific security key. | 02-02-2012 |
20130294603 | CENTRALIZED KEY MANAGEMENT IN EMBMS - A split architecture eMBMS with distributed BMSCs providing the same eMBMS service allows for a centralized key service where each BMSC is able to derive a set of MTKs from the MSK using the MTK-IDs as the differentiating input. This avoids the need to send MTKs to the BMSCs. | 11-07-2013 |
20140071880 | Method and Apparatus for Reliable Broadcast/Multicast Service - A method is provided for use by a user terminal operating an IP-based multimedia broadcast/multicast service. The method comprises storing information relating to user service registrations performed using an IP connection such as a Packet Data Protocol, PDP, context established to enable connectivity between the user terminal and a service node for the broadcast/multicast service. The information is of a type to enable re-registration of at least some of any of the user services affected by a loss of the IP connection. In one embodiment, the multimedia broadcast/multicast service is a 3GPP Multimedia Broadcast/Multicast Service, MBMS, the user terminal is a User Equipment, UE, and the service node is a Broadcast/Multicast Service Center, BM-SC. In another embodiment, the multimedia broadcast/multicast service is an Open Mobile Alliance Broadcast, OMA BCAST, service, the user terminal is a Terminal, and the service node is an OMA BCAST Subscription Management, BSM, node. | 03-13-2014 |
20140304777 | SECURING DATA COMMUNICATIONS IN A COMMUNICATIONS NETWORK - A method of securing communications between first node attached to first network and second node attached to second network. At the second node, first and second information is received on whether the respective first and second networks have a secure network layer path to the respective first and second nodes or are known to use a secure network layer path to attached nodes. Third information is received on whether the first network has a secure internal network layer path and, where the first and second networks are different, whether the first network has a secure network layer path to the second network or is known to use a secure network layer path to the second network. The information determines whether the entire path between the first node and the second node is secured at the network layer level, and whether to establish application layer security for communications. | 10-09-2014 |
20150163643 | METHODS PROVIDING MBMS SERVICE AND TRAFFIC KEY COORDINATION IN A MULTI BMSC DEPLOYMENT AND RELATED BROADCAST PROVISIONING SYSTEMS AND SERVICE CENTERS - A method of creating a delivery session for multiple broadcast multicast service centers may include providing a first create delivery session message for a first broadcast multicast service center. A service key identification and a key domain identification may be received from the first broadcast multicast service center, and a second create delivery session message may be provided for a second broadcast multicast service center. The second create delivery session message may include the service key identification and the key domain identification from the first broadcast multicast service center, and the second create delivery session message may include a duplicate indication. | 06-11-2015 |