Patents by Inventor Roman Pichna

Roman Pichna has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20120087338
    Abstract: According to one example embodiment, a method may include determining whether each of a plurality of target base stations is capable of providing a fast ranging opportunity to a mobile station served by the serving base station, and, for each of the plurality of target base stations which is capable of providing the fast ranging opportunity to the mobile station, determining an action time after which the target base station can send an uplink map to the mobile station, the uplink map indicating when the mobile station should send a fast ranging request.
    Type: Application
    Filed: April 3, 2009
    Publication date: April 12, 2012
    Applicant: NOKIA SIEMENS NETWORKS OY
    Inventors: Achim Von Brandt, Aik Chindapol, Sandro Grech, Roman Pichna, Yi Zhang, Shun Liang Zhang, Wei Hua Zhou
  • Publication number: 20110317589
    Abstract: A computer implemented method, computer readable medium and computing apparatus for distribution of network topology information in telecommunication networks comprising of a distribution of an information to a neighboring gateway node (ASN-GW2) wherein the said information comprising an access node identifier (RS-BSID), and a time validity indication of a network topology change, and wherein the said access node identifier (RS-BSID) is mapped to a serving gateway (ASN-GW1).
    Type: Application
    Filed: March 4, 2010
    Publication date: December 29, 2011
    Applicant: NOKIA SIEMENS NETWORKS OY
    Inventors: Petri Antero Jolma, Roman Pichna
  • Publication number: 20110302643
    Abstract: There is proposed a network access authentication and authorization mechanism in which an authentication session in an authentication, authorization and accounting procedure for a user equipment for providing an initial network access is executed. A first identification element related to the user equipment is obtained. Then, a user credential validation procedure is performed wherein a second identification element related to the user equipment or related to a user of the user equipment is obtained. The obtained first and second identification elements are processed for determining whether a match between the first and second identification elements exists. In addition, the authentication session executed for the user equipment is identified on the basis of the result of the processing of the first and second identification elements. Then, a change of an authorization of the user equipment is executed for providing a modified network access.
    Type: Application
    Filed: March 31, 2009
    Publication date: December 8, 2011
    Applicant: NOKIA SIEMENS NETWORKS OY
    Inventors: Roman Pichna, Sandro Grech
  • Publication number: 20110149926
    Abstract: The invention relates to method and structures for mobility policy e.g. in a Worldwide Interoperability for Microwave Access, WiMAX, based communication. According to embodiments, a method and devices for mobility control of a terminal are provided wherein a mobility policy parameter defines the mobility control of the terminal. The mobility policy parameter preferably is part of a mobility policy or subscription record stored for a subscriber of the terminal in a subscriber data base. The mobility policy parameter may include at least one of an indication of mobility restriction, possibly indicating included or excluded cells or areas etc; an indication of fixed access, indicating a fixed base station to which the subscriber has to request access; nomadicity, indicating that no handover is allowed for that particular subscriber; and restricted mobility limited to a group of base stations or areas.
    Type: Application
    Filed: May 15, 2008
    Publication date: June 23, 2011
    Inventors: Zexian LI, Roman Pichna, Ravi Shankar Pandey
  • Publication number: 20110044232
    Abstract: An apparatus for providing IP multicast transport may include a processor and a memory. The memory may store executable instructions that in response to execution by the processor cause the apparatus to at least perform operations including receiving a key for encapsulation of multicast data at a base station, using the key to generate a response to a message indicative of a multicast connection for a particular service received from a gateway device, the base station being joined to a same multicast tree in a multicast-broadcast zone as the gateway device, and establishing the multicast connection with the gateway device via a multicast data path comprising a multicast tunnel associated with the key. Corresponding methods and computer program products are also provided.
    Type: Application
    Filed: April 23, 2009
    Publication date: February 24, 2011
    Applicant: NOKIA CORPORATION
    Inventors: Natalia Miettinen, Roman Pichna
  • Publication number: 20100142442
    Abstract: In a system for processing an emergency session in a WiMAX (worldwide interoperability for microwave access) network system including a home network, at least one roaming network and at least one mobile station, an emergency call is established between the mobile station and the home network in case the mobile station is located in the home network, or between the mobile station and a roaming network (visited network) in case the mobile station is located in the roaming network. In a different embodiment, the location of a mobile station is determined in response to an emergency location request and the location (geographic) coordinates are provided in order to establish an emergency call setup.
    Type: Application
    Filed: October 30, 2007
    Publication date: June 10, 2010
    Applicant: NOKIA CORPORATION
    Inventors: Ravi Pandey, Roman Pichna, Sami Ilari Makelainen, Zexian Li
  • Patent number: 7733824
    Abstract: The invention allows providing a fixed access point for a terminal device. One of multiple access points is assigned to serve as a fixed access point for a terminal device based on a received identifier of the terminal device. A notification about the assignment of the fixed access point is transmitted to at least one of the terminal device and a gateway node serving the terminal device. As a result, Mobile IP based handover between GPRS and WLAN will be seamless. Furthermore, the invention allows using a dedicated gateway for infected terminals to provide quarantined access to network services.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: June 8, 2010
    Assignee: Nokia Corporation
    Inventors: Vesa Hellgren, Sandro Grech, Roman Pichna
  • Publication number: 20100135205
    Abstract: The present invention provides methods, apparatuses, and systems for supporting emergency calls on a WiMAX access network. According to an embodiment of the invention, a method of providing emergency calling in a WiMAX network is provided. The method includes determining whether a call from a subscriber station (SS) is an emergency call. To enable making an emergency call, the minimum bandwidth required to enable SIP signaling is reserved and required resources are allocated from the access service network gateway (ASN-GW) via a base station (BS).
    Type: Application
    Filed: January 30, 2008
    Publication date: June 3, 2010
    Applicant: NOKIA CORPORATION
    Inventors: Zexian Li, Roman Pichna, Ravi Pandey, Tommi Olavi Rantanen, Jozawa Toshiaki, Christophe Francois Le Thierry D'ennequin, Jukka Sakari Ala-Vannesluoma, Jani Petteri Hirsimaki, Ilkka Antero Oksanen, Mikko Jarkko Tasa
  • Publication number: 20100118758
    Abstract: A method involves determining a first content identifier for content and determining a second content identifier for the content, wherein the first content identifier belongs to a first system layer and the second content identifier belongs to the second system layer. The method further involves requesting for delivering of the content by transmitting the first content identifier in a control message, wherein the control message belongs to a second system layer. The content is received via radio interface within a connection, wherein the connection belongs to the second layer. The second system layer is lower than the first system layer.
    Type: Application
    Filed: May 18, 2009
    Publication date: May 13, 2010
    Applicant: Nokia Siemens Networks
    Inventors: Achim von Brandt, Natalia Miettinen, Roman Pichna
  • Patent number: 7715389
    Abstract: A network element provides multicast/broadcast support. The network element is configured to process streams which are transported by a media access control layer, wherein the streams use separate multicast bursts, and to process streams which are transported on an internet protocol. Each of the streams transported by the media access control layer comprises a related connection identity, and each of the streams transported on an internet protocol comprises a related internet protocol flow, wherein a mapping is present between a connection identity and an internet protocol flow for each stream.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: May 11, 2010
    Assignee: Nokia Corporation
    Inventors: Roman Pichna, Zexian Li, Ravi Pandey
  • Publication number: 20090290554
    Abstract: Exemplary embodiments of system, method and computer accessible medium are provided for determining an action time in a communication network is described. For example, it is possible to estimate, in a target network arrangement, a value for an action time, with the value for the action time corresponding to the value for a handover time interval related to the target network node. The handover time interval can be a time interval starting substantially at the time when a first signal is received by a serving network node, which includes information about the value for the action time. For example, the handover time interval can have a duration during which the target network node is prepared to receive a handing over user equipment and the first signal. Further, the first signal can include information about the value for the action time, and such signal may be transmitted from a target network node to a serving network node.
    Type: Application
    Filed: May 13, 2008
    Publication date: November 26, 2009
    Applicant: Nokia Siemens Networks Oy
    Inventors: Sami Siltala, Roman Pichna, Sandro Grech
  • Publication number: 20090252116
    Abstract: A base station and a method for handover of a mobile station from a serving base station to a target base station of a mobile telecommunication network. Invitations may be sent from a base station to the mobile station, and the invitations may be invitations to send a request for a fast handover procedure from the mobile station to a base station.
    Type: Application
    Filed: April 4, 2008
    Publication date: October 8, 2009
    Applicant: NOKIA SIEMENS NETWORKS GMBH & CO. KG
    Inventors: Achim von Brandt, Sandro Grech, Roman Pichna, Aik Chindapol
  • Patent number: 7573904
    Abstract: A fast and secure ad hoc communication system is established between terminals with the aid of a network. Terminals equipped with a non-cellular interface may establish a high data rate peer-to-peer or multi-hop ad hoc connection with the support of a cellular network. The cellular network may provide signaling for user authentication, peer identification, key distribution for a secure non-cellular connection set-up, radio resources management messages, routing assistance information, as well as charging and billing for the service. A non-cellular link may be used for fast and secure ad hoc communication between the terminals. Signaling may be transported either over a non-cellular access network or, using dual-mode terminals, over the cellular RAN. A combination of the signaling transports is also possible.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: August 11, 2009
    Assignee: Nokia Corporation
    Inventors: Roman Pichna, Keijo Lähetkangas, Kai Mustonen
  • Publication number: 20090158398
    Abstract: Various example embodiments are disclosed herein. In an example embodiment, a method may comprise authenticating a subscriber based upon one or more messages received from a subscriber equipment, via an Access Network Gateway (ANG); sending an access authorization message to the ANG authorizing the subscriber equipment; and wherein the access authorization message includes an address of a tunnel endpoint node and a tunnel method identifier (ID) to be used by the ANG to establish a tunnel between the ANG and the tunnel endpoint node for the subscriber equipment.
    Type: Application
    Filed: December 18, 2007
    Publication date: June 18, 2009
    Applicants: Nokia Siemens Networks Oy, Nokia Corporation
    Inventors: Ravi Pandey, Roman Pichna, Zexian Li
  • Publication number: 20090141661
    Abstract: Various example embodiments are disclosed herein. In an example embodiment, an apparatus may include a controller, a memory coupled to the controller and a wireless transceiver coupled to the controller. The apparatus may be configured to detect a residual traffic pattern associated with a mobile station in a wireless network, and transition the mobile station from an active state to a residual traffic state based on the detecting. The transitioning may include sending a change uplink (UL) data service message to the mobile station to change the UL data service for the mobile station from a first UL service type to a second UL service type.
    Type: Application
    Filed: November 29, 2007
    Publication date: June 4, 2009
    Applicants: Nokia Siemens Networks Oy, Nokia Corporation
    Inventors: Zexian Li, Ravi Pandey, Roman Pichna
  • Publication number: 20090073995
    Abstract: In an embodiment, an apparatus is configured to receive traffic of different traffic types, and to route the different traffic types to different paths or networks, the different traffic types comprising internet service domain traffic and operator's service domain traffic. The apparatus may for example be a gateway of an access services network e.g. of worldwide interoperability of microwave access, WiMAX.
    Type: Application
    Filed: September 13, 2007
    Publication date: March 19, 2009
    Inventors: Ravi Shankar Pandey, Roman Pichna, Zexian Li, Alexander Bachmutsky
  • Publication number: 20080285497
    Abstract: The exemplary embodiments of the invention describe apparatus, methods and computer program products that provide a guide and control channel in a WiMAX system to facilitate point-to-multipoint (p-t-m) channel identification, transmission and/or reception. In one non-limiting, exemplary embodiment, a method includes: accessing a p-t-m guide; and transmitting the p-t-m guide using a predetermined IP address on a predetermined channel in a WiMAX system. In another non-limiting, exemplary embodiment, a method includes: receiving a p-t-m guide on a predetermined IP address of a predetermined channel in a WiMAX system; extracting p-t-m session information from the p-t-m guide; selecting a transmission to receive based on the extracted p-t-m session information; and receiving the selected transmission.
    Type: Application
    Filed: May 15, 2007
    Publication date: November 20, 2008
    Inventors: Roman Pichna, Zexian Li, Ravi Pandey
  • Publication number: 20080161000
    Abstract: Herein there is a method for reducing handover latency on a wireless communication system, which includes receiving a handover request at a target base station; and prior to receiving a handover confirm message at the target base station, sending information descriptive of a mobile station handover resource allocation towards the mobile station.
    Type: Application
    Filed: February 2, 2007
    Publication date: July 3, 2008
    Inventors: Zexian Li, Roman Pichna, Seppo Vesterinen
  • Publication number: 20080123645
    Abstract: A network element provides multicast/broadcast support. The network element is configured to process streams which are transported by a media access control layer, wherein the streams use separate multicast bursts, and to process streams which are transported on an internet protocol. Each of the streams transported by the media access control layer comprises a related connection identity, and each of the streams transported on an internet protocol comprises a related internet protocol flow, wherein a mapping is present between a connection identity and an internet protocol flow for each stream.
    Type: Application
    Filed: November 29, 2006
    Publication date: May 29, 2008
    Inventors: Roman Pichna, Zexian Li, Ravi Pandey
  • Publication number: 20080120694
    Abstract: A local attachment element in an access domain is configured to perform a fast authentication procedure without involving a centralized attachment element in a core network domain. Stated in other words, there is provided a regional authentication concept for any access in a multi-access environment.
    Type: Application
    Filed: February 5, 2007
    Publication date: May 22, 2008
    Inventors: Ravi Pandey, Roman Pichna, Hannu Tuominen