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US20100313024 Methods in Mixed Network and Host-Based Mobility Management  
A first aspect of the invention relates to a method for verifying an attachment of a mobile node to a network element in a network. A second aspect of the invention relates to a method to be...
US20120183141 MOBILE COMMUNICATION METHOD AND RADIO BASE STATION  
A mobile communication method according to the present invention comprising the relay node RN configured to the method comprising a step in which the relay node RN transmits the “X2-AP (UE):...
US20110311053 Apparatus and method for transitioning enhanced security context from a UTRAN/GERAN-based serving network to an E-UTRAN-based serving network  
Disclosed is a method for transitioning an enhanced security context from a UTRAN/GERAN-based serving network to an E-UTRAN-based serving network. In the method, the remote station the remote...
US20110274276 METHOD AND SYSTEM FOR POSITIONING MOBILE STATION IN HANDOVER PROCEDURE  
A method for obtaining a secure key is provided. The method includes sending an Access Safety Management Entity Key (KASME) to a gateway after finishing authentication and security process by a...
US20110305341 Security Performance Negotiation Method And A Tek Management Method  
The present invention relates to methods for sending and receiving security related information during handover on a wireless access system and methods for managing a traffic encoding key (TEK)....
US20110135095 Method and system for generating key identity identifier when user equipment transfers  
A method for generating a key identity identifier when a user equipment (UE) transfers is disclosed. The method includes the following steps: a mobility management entity (MME) of an evolved UMTS...
US20150104020 Method, Network Element, and Mobile Station for Negotiating Encryption Algorithms  
A method, network element, and mobile station (MS) are disclosed. The method includes: obtaining information that a plug-in card of the MS does not support a first encryption algorithm; deleting...
US20090271626 METHODS AND DEVICES FOR ESTABLISHING SECURITY ASSOCIATIONS IN COMMUNICATIONS SYSTEMS  
A method of providing secure communications between a base station, a relay station, and a mobile station in a communication network includes authenticating the mobile station over the...
US20120033815 METHOD OF HANDLING SECURITY KEY CHANGE AND RELATED COMMUNICATION DEVICE  
A method of handling security key change for a user equipment in a wireless communication system includes applying a radio resource control procedure to activate key change, where the radio...
US20110047382 FAST AUTHENTICATION BETWEEN HETEROGENEOUS WIRELESS NETWORKS  
A method for preparing for handover of an apparatus from a first wireless network to a second, different wireless network, a master session key (MSK) having been generated during establishment of...
US20110314170 Wireless Device Swap  
A method of performing a swap operation. Communication is established between a first UE and a server. Communication is established between the first UE and a second UE. Permission is received at...
US20120082315 METHOD AND SYSTEM FOR GENERATING CIPHER KEY DURING SWITCHING  
A method and a system for generating a key in a handover process, wherein the method comprises the following steps of: according to an evolved Node-B (eNB) (102) of a User Equipment (UE) (101),...
US20110002465 INTEGRATED HANDOVER AUTHENTICATING METHOD FOR NEXT GENERATION NETWORK (NGN) WITH WIRELESS ACCESS TECHNOLOGIES AND MOBILE IP BASED MOBILITY CONTROL  
Integrated handover authentication technology for a next generation network (NGN) environment to which wire-less access technology and mobile IP based mobility control technology are applied is...
US20100002883 SECURITY PROCEDURE AND APPARATUS FOR HANDOVER IN A 3GPP LONG TERM EVOLUTION SYSTEM  
A method and apparatus for implementing a security procedure during handover of a wireless transmit/receive unit (WTRU) in wireless communications that controls the behavior of a handover target...
US20100268951 METHOD OF HANDOVER  
A method for quickly performing a handover in a wireless access system is disclosed. The method for quickly performing a handover includes transmitting a handover request message to a serving base...
US20110002466 CLIENT APPARATUS FOR SUPPORTING MOBILITY AND SECURITY BETWEEN HETEROGENEOUS NETWORKS USING MOBIKE PROTOCOL  
A client apparatus includes a wireless network access unit configured to access wireless networks, a packet analysis unit configured to analyze uplink and downlink data packets, a security tunnel...
US20090220087 Systems and method for performing handovers, or key management while performing handovers in a wireless communication system  
Example embodiments provide a method for performing handovers and key management while performing handovers. The method includes communicating a random handover seed key protected by a secure...
US20140233737 Method and system for generating an identifier of a key  
A method for generating an identifier of a key includes that: when a user equipment (UE) transfers from an evolved UMTS terrestrial radio access network (EUTRAN) to a universal terrestrial radio...
US20110123029 Method and system for generating an identity identifier of a key  
A method for generating an identifier of a key, comprises that: when a user equipment (UE) transfers from an evolved UMTS terrestrial radio access network (EUTRAN) to a universal terrestrial radio...
US20110033053 SECURITY KEY GENERATING METHOD, DEVICE AND SYSTEM  
A security key generating method, device and system are provided, wherein, the method is used for generating a security key in the process of the handover to an EUTRAN network from other network,...
US20110222690 Method and system for deriving keys  
A method for deriving keys is disclosed. When Handover or Routing Area Update of User Equipment (UE) from an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) to a Universal Terrestrial...
US20080205650 Changing radio access network security algorithm during handover  
The invention allows changing a Radio Access Network security algorithm during handover in a manner that is efficient and secure. A security message is received at a mobile station previously...
US20090116647 METHOD FOR PROVIDING FAST SECURE HANDOFF IN A WIRELESS MESH NETWORK  
Disclosed is a method for providing fast secure handoff in a wireless mesh network. The method comprises configuring multiple first level key holders (R0KHs) within a radio access network to which...
US20100303238 Session Key Generation and Distribution with Multiple Security Associations per Protocol Instance  
A single instance of a session key generation protocol is executed in a manner that generates a plurality of security associations between user equipment and a first network element of a...
US20120057706 METHOD AND SYSTEM FOR OPTIMIZING AUTHENTICATION PROCEDURES IN MEDIA INDEPENDENT HANODVER SERVICES  
A method and system for establishing security association mechanism between a Mobile Node (MN) and a plurality of Point of Services (PoS) are provided. The method includes sending a first request...
US20100257364 Apparatus and method for processing authentication of handover ranging message in wireless communication system  
A base station includes an apparatus for protecting information of a mobile station during a process of authenticating a ranging message of the mobile station that performs a handover in a...
US20100172500 METHOD OF HANDLING INTER-SYSTEM HANDOVER SECURITY IN WIRELESS COMMUNICATIONS SYSTEM AND RELATED COMMUNICATION DEVICE  
A method of handling inter-system handover security for a communication device in a wireless communication system includes creating a first security key set for security with a serving network,...
US20100205437 Protection method and device for a mobile IPV6 fast handover  
A protection method for a mobile IPv6 fast handover is provided, which includes the following steps: generating a fast-handover signaling protection key by using a key which is shared with a...
US20090282246 Method and system for continuously transmitting encrypted data of a broadcast service to a mobile terminal  
In service access networks having different key hierarchies that provide broadcast service to a mobile terminal, when switching from a first service access network, from which the mobile terminal...
US20100205442 METHOD AND APPARATUS FOR TRAFFIC COUNT KEY MANAGEMENT AND KEY COUNT MANAGEMENT  
Various methods and apparatuses for managing count values (e.g. key counts) to manage a TEK in various communication environments are disclosed. Also, various methods and apparatuses for...
US20060262932 Systems and methods for negotiating security parameters for protecting management frames in wireless networks  
Systems and methods provide a mechanism for wireless stations and access points to negotiate security parameters for protecting management frames. The access point and station determine which...
US20100220862 Method, Apparatus And Computer Program Product For Providing Security During Handover Between A Packet-Switched Network And A Circuit-Switched Network  
A method, apparatus and computer program product are provided to facilitate security in response to a handover from an initial network to a subsequent network, such as a handover between a...
US20110093711 METHOD AND SYSTEM FOR ENCRYPTING DATA IN A WIRELESS COMMUNICATION SYSTEM  
A method and system for encrypting data in a wireless communication system are provided. The system includes a first node for generating a first encryption key using a plurality of encryption key...
US20090307496 METHOD OF DERIVING AND UPDATING TRAFFIC ENCRYPTION KEY  
A method for efficiently deriving a traffic encryption key for data encryption is disclosed. A method of generating a traffic encryption key (TEK) comprises the steps of receiving, by a mobile...
US20090180622 METHOD, APPARATUS AND SYSTEM FOR GENERATING AND DISTRIBUTING KEYS BASED ON DIAMETER SERVER  
A method for generating and distributing keys based on the Diameter server in the mobile communication field is disclosed herein. The MN sends the NAR identifier to the PAR; after receiving the...
US20110087879 Communication network with secure access for portable users  
A communication network includes a local area network (LAN) and a wireless access point coupled to the LAN. In one embodiment, each access point includes a medium access control (MAC) stage, and a...
US20080240439 METHODS AND APPARATUS TO FACILITATE DATA AND SECURITY CONTEXT TRANSFER, AND RE-INITIALIZATION DURING MOBILE DEVICE HANDOVER  
Security context transfer and ROHC context transfer to enable secure and efficient mobile device handoff is facilitated by the introduction of new information elements to the UL Allocation message...
US20090172391 COMMUNICATION HANDOVER METHOD, COMMUNICATION MESSAGE PROCESSING METHOD, AND COMMUNICATION CONTROL METHOD  
There is disclosed a technique whereby, in a case wherein a mobile node (MN) performs a handover, between access points (APs) present on the links of different access routers (ARs), security is...
US20090136036 COMMUNICATION METHOD FOR EXECUTING HANDOVER, AND BASE STATION APPARATUS, TERMINAL APPARATUS AND CONTROL APPARATUS USING THE COMMUNICATION METHOD  
A receiving unit receives a handover request from a terminal apparatus. As the handover request is received, a requesting unit requests a control apparatus connected via a network that an...
US20170156060 Device and Method of Handling Data Transmission/Reception for Dual Connectivity  
A communication device for handling data transmission/reception for dual connectivity comprises a storage unit for storing instructions of connecting to a first base station (BS) and a second BS;...
Matches 1 - 40 out of 40