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| Number | Title | Issue Date |
| 7680079 | Method of signaling QoS information at hand-over between access networks in an IP-based core network A method of signaling quality of service information in response to a handover from a first access network to a second access network in an Internet Protocol (IP) based mobile network environment, the method comprising: transmitting a resource reservation message fr... | 03/16/2010 |
| 7675885 | Methods and apparatus for CDMA2000/GPRS roaming IIF architectures and corresponding call flows are provided for CDMA2000/GPRS roaming scenarios such as GPRS foreign mode with Mobile IPv4, GPRS foreign mode with Simple IPv4 or IPv6, CDMA2000 packet data foreign mode with Mobile IPv4, and CDMA2000 packet data forei... | 03/09/2010 |
| 7668138 | Cell selection in soft handover using user equipments' buffer occupancies as occupancies as a selection criterion Soft handover techniques are disclosed for use in a system comprising a base station and a plurality of user equipments. The amount of data in the data buffer of each of the user equipments is determined, the amount of data in the data buffers is compared to obtain ... | 02/23/2010 |
| 7668140 | Roaming between wireless access point The present invention provides a method and an apparatus for roaming between wireless access points with relatively less disruptions to a service in handovers. In one embodiment, a method of communication in a wireless network that includes an access point and a tar... | 02/23/2010 |
| 7668139 | Mobile handover utilizing multicast in a multi-protocol label switching (MPLS)-based network Methods and devices are disclosed for communicating in a wireless network using multi-protocol label switching (MPLS). A network service node is configured to send identical packets substantially simultaneously to each of a serving network access station and one or ... | 02/23/2010 |
| 7668141 | Method and apparatus for managing packet data loss in a wireless network Various embodiments are described to address the need for more effective management of packet data loss in wireless communication systems. When a packet data destination (131) that is receiving a flow of packets for a packet data service instance indicates to... | 02/23/2010 |
| 7664075 | Access point to access point range extension An architecture and methods for extending the depth of a WLAN to a four-level hierarchal access point structure including wireless access points. The wireless access points in the WLAN can be networked by scanning for a network, collecting one or more packets that i... | 02/16/2010 |
| 7664074 | System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof Disclosed herein is a mobile communication terminal and handover method therefor. In the mobile communication system, a Gateway GPRS Support Node (GGSN) of the asynchronous network is connected to a Packet Data Service Node (PDSN) of the synchronous network. Accordi... | 02/16/2010 |
| 7664073 | Method for performing a mobile user terminal route update in a telecommunication network operated based on the internet protocol The present invention is a method for performing a mobile user terminal route update in a telecommunication network operated based on the Internet Protocol, the network comprising at least two network transceiver device gateways each communicating with at least one ... | 02/16/2010 |
| 7660282 | Congestion control in a wireless data network Techniques for congestion control are disclosed. In one embodiment, a base station allocates a shared resource using a combination of zero or more individual grants and zero or more common grants, and generates a busy signal in response to loading conditions that ex... | 02/09/2010 |
| 7656840 | Method of reducing denial-of-service attacks and a system as well as an access router therefor A method and system reduces denial-of-service attacks malicious mobile nodes in a mobile IP environment. The method and system includes maintaining, by each of a plurality of access routers within the mobile IP environment, a cache of neighboring access routers as c... | 02/02/2010 |
| 7656839 | Apparatus for associating access points with stations in a wireless network The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 02/02/2010 |
| 7656841 | Method for improving access network selection in the context of discontinuous coverage access networks, corresponding access controller, and corresponding multicast element The present invention relates to a method for selecting another access network when transmitting data from a content server to a terminal in a multi access network environment comprising a discontinuous coverage radio access network. According to the present ... | 02/02/2010 |
| 7653026 | Wireless communication system, wireless base station, and mobile station Data transport which allows for handover is implemented by a mobile wireless communication system wherein a first datum is transmitted by a wireless base station, in response to the reception of which a mobile station transmits a second datum, in response to the rec... | 01/26/2010 |
| 7649864 | Allocation period determination for packet data An allocation period for packet data in a packet data communication system is determined. Measurements from mobile stations are collected and a maximum allocation period for at least one possible base station for transmitting data packets to the mobile station is de... | 01/19/2010 |
| 7649867 | Method of supporting handover in a multi-mode mobile station A method of discovering at least one of a homogeneous and a heterogeneous network module to perform handover with in a wireless mobile communication network is disclosed. More specifically, the method includes establishing a network handover module for converging in... | 01/19/2010 |
| 7649863 | Method for allocating radio resources, base station for carrying out such method, and system incorporating same Method for allocating radio resources for the establishment of an outgoing call originating from a mobile terminal of a first system for radiocommunications with mobiles having a given radio interface and a mutual help channel, via a base station of a second system ... | 01/19/2010 |
| 7649865 | Service-activation based state switching A method and system for providing a broadcast or multicast service to a terminal device in a data network, wherein a connection state of the terminal device is switched to a dedicated channel state in which a dedicated physical channel is allocated to the terminal d... | 01/19/2010 |
| 7649866 | Method of subnet roaming within a network Disclosed is an apparatus and method of client device roaming from a home subnet to a foreign subnet of a network. The method includes the client device accessing the network through a first access node of the home subnet, and the client device roaming to a second a... | 01/19/2010 |
| 7643451 | Method and apparatus for extending a mobile unit data path between access points Fast transitions between access points (APs) in a wireless network may be accomplished when a mobile unit (MU) moves between the APs, by causing a first tunnel to be established between the APs, and causing a second tunnel to be established between the new AP and th... | 01/05/2010 |
| 7643452 | Method and system for communicating content on a broadcast services communication system An outer decoder and an inner decoder encode a block of information to be transmitted, to improve protection by adding redundancy. The redundancy permits decoding of the information from less than a complete encoded block of information. Time re-alignment of two tra... | 01/05/2010 |
| 7639646 | Satellite diversity system, apparatus and method Communication diversity using a plurality of satellites is disclosed. The satellites can support multiple regions corresponding to multiple satellite beams. Each satellite can support all regions in the reverse direction and each satellite can be designated as a pri... | 12/29/2009 |
| 7639647 | Method and system for providing wireless-specific services for a wireless access network A method and system for providing wireless-specific services for a wireless access network includes receiving at a call agent of a wireless access network a call origination for a mobile device. Whether the device is registered on the wireless access network is dete... | 12/29/2009 |
| 7639648 | Techniques for home wireless switch redundancy and stateful switchover in a network of wireless switches supporting layer 3 mobility within a mobility domain Techniques and technologies are provided for recovering from failure of a home wireless switch in a network of wireless switches which includes an initial home wireless switch of at least one wireless client device in a first mobility domain, a backup home wireless ... | 12/29/2009 |
| 7636335 | Arrangements and method for handling macro diversity in a universal mobile telecommunications system The present invention relates to methods and arrangements for selecting one or more Diversity Handover (DHO) nodes, such as a Node B or a Radio Network Controller (RNC) executing a macro diversity functionality, in a mobile telecommunication system wherein the macro... | 12/22/2009 |
| 7636336 | Methods and systems for reducing MAC layer handoff latency in wireless networks In accordance with the present invention, computer implemented methods and systems are provided for reducing handoff latency in a wireless network. In response to detecting that a handoff is necessary, the present invention uses a selective scanning algorithm that i... | 12/22/2009 |
| 7633904 | Wireless access network and method for handover of mobile terminals in idle mode Embodiments of a wireless access network and methods for maintaining current location information for mobile terminals in idle mode are generally described herein. Other embodiments may be described and claimed. ... | 12/15/2009 |
| 7633903 | Packet data support node and method of activating packet flow contexts during handover A method and packet data support node in a radio telecommunications network supporting packet data communication between a packet data network and a mobile terminal in radio communication with a first packet control unit. The packet data support node receives a mess... | 12/15/2009 |
| 7633902 | Information communication program, information communication apparatus and information communication method An information communication program, an information communication apparatus and an information communication method make it possible for a mobile node to maintain direct communication with some other terminal while it is moving from a network to another if the some... | 12/15/2009 |
| 7630340 | Handover method In a handover method, a mobile node receives a Layer 2 trigger message; requests information on Layer 3 of a new access router (NAR) from a previous access router (PAR) by using information included in the Layer 2 trigger message and information... | 12/08/2009 |
| 7630341 | Method and system for mobility across heterogeneous address spaces A mobile node includes a processor, a network interface, and a storage device having computer program code for execution by the processor. The computer program code includes a network layer for transmitting and receiving packets and an intermediate driver that trans... | 12/08/2009 |
| 7626963 | EAP/SIM authentication for mobile IP to leverage GSM/SIM authentication infrastructure Methods and apparatus for dynamically generating a set of Mobile IP keys are disclosed. The set of Mobile IP keys is dynamically generated using an existing HLR/AuC authentication infrastructure. This is accomplished, in part, by obtaining an International Mobile Su... | 12/01/2009 |
| 7623492 | Method, apparatus and computer program product providing packet filter synchronization A method including establishing a first packet flow over a network between a first mobile device and a second mobile device said first mobile device coupled to a node having a first packet filter including an identifier and specifying a second mobile device as a fir... | 11/24/2009 |
| 7623493 | Method and apparatus for link layer assisted handoff Various embodiments are described to address the need for an apparatus and method that improves upon known handoff techniques, such as Mobile IP and Fast Mobile IP, to improve the mobility experience of an end user. OSI layer 2-originated indications of a handoff be... | 11/24/2009 |
| 7620016 | Controlled wireless access to a local area network Method and system for controlling wireless access to a local area network. A first area is provided for wireless access to a local area network. Wirelessly transmitted within a second area is information needed by a wireless device to gain access to the local area n... | 11/17/2009 |
| 7620017 | Method and apparatus to facilitate inter-AN HRPD hard handoff Various embodiments are described to address the need for reduced handoff delays associated with inter-AN (access network) HRPD (High Rate Packet Data)/1XEV-DO handoffs. The disclosed approach enables an AT (101) with an active packet data session to perform ... | 11/17/2009 |
| 7620015 | Method and system for seamless handover of mobile devices in heterogeneous networks The invention relates to a method for seamless handover of mobile devices in heterogeneous networks. A mobile device (10) is moved between different topological network locations (30/31/32/33) and transmits and/or receives data by means of different ne... | 11/17/2009 |
| 7616607 | Data preservation A method ensures that data is not lost during an inter-Routing Area or inter-Network Service Entity cell change in a GPRS network. When a mobile station passes from one cell into another, a command is sent from the SGSN to the BSS serving the first cell, causing tha... | 11/10/2009 |
| 7613148 | Method and apparatus for performing fast handover through fast ranging in a broadband wireless communication system A method for performing a handover by a subscriber station (SS) in a broadband wireless communication system including a serving base station (BS) communicating with the SS, and at least one neighbor BS neighboring the serving BS. The SS receives downlink signals fr... | 11/03/2009 |
| 7613149 | Mobile communication system and method of data dispersion in said system In a mobile communication system, which has a plurality of radio network controllers and a number of radio base stations connected to each of the radio network controllers, for sending and receiving user data between a host network and mobile stations via the radio ... | 11/03/2009 |