Abstract: The present invention concerns a method and a system for the transmission of message traffic in a packet-switched telecommunication system, said system comprising a network element, which comprises a cross-connection part and a control part, said cross-connection part comprising at least one unit computer and said control part comprising at least one unit computer, said system further comprising means for the transmission of internal message traffic within the network element between the unit computers. According to the invention, the system comprises at least one unit computer in the cross-connection part whose message traffic is transmitted by utilizing the universal cross-connections produced by the network element itself, said unit computer of the cross-connection part being disposed on a different plug-in unit than the nearest terminal point of the cross-connection it is using for message traffic. The invention provides the advantage of good scalability of the system.
Abstract: A network component for processing a packet can include a rules table configured to have a plurality of entries, and sets of first storage units within each one of the plurality of entries. The sets of first storage units are configured to store sets of range checking parameters with respect to the packet. The sets of range checking parameters can identify a plurality of packet field values and a plurality of range values. In addition, the network component can include an action implementation unit configured to implement at least one first action with respect to the packet when at least one of the plurality of packet field values falls within a corresponding pair of range values for one of the plurality of entries.
Abstract: A method and a system for providing access to an IP multimedia subsystem (IMS) for a subscriber roaming in a visited communication network are described. A subscriber equipment determines that a visited network IMS is not accessible and sends a register message for registering to an IMS to a control entity in the home communication network of the subscriber. The control entity recognizes that the register message is received directly from a subscriber equipment, and an access entity for accessing the IMS of the home network is assigned. Then, the control entity sends a message to the subscriber equipment which message comprises the address of the access entity.
Type:
Grant
Filed:
June 8, 2001
Date of Patent:
December 4, 2007
Assignee:
Nokia Corporation
Inventors:
Son Phan-Anh, Robert Sugar, Gyorgy Wolfner
Abstract: The present invention provides a controller for controlling a modeled plant robustly against disturbance. The controller comprises an estimator and a control unit. The estimator estimates disturbance applied to the plant. The control unit determines an input to the plant so that an output of the plant converges to a desired value. The input to the plant is determined to include a value obtained by multiplying the estimated disturbance by a predetermined gain. Since estimated disturbance is reflected in the input to the plant, control having robustness against disturbance is implemented. The controller may comprise a state predictor. The state predictor predicts the output of the plant based on the estimated disturbance and dead time included in the plant. The control unit determined the input to the plant so that the predicted output converges to a desired value. Since the state predictor allows for the dead time, the accuracy of the control is improved.
Abstract: The invention relates to a radio system and a method for managing radio resources in a radio system. The method comprises receiving radio capacity information of the radio cell, receiving transport capacity information on transport network, the transport network being used for connecting the base stations of the radio network to a core network. The method further comprises determining a transport capacity limit for the radio cell based on the transport capacity information; signalling the transport capacity limit of the radio cell to the base station; adjusting in the base station the radio capacity information based on the transport capacity limit; signalling from the base station the adjusted radio capacity information on the radio cell; and managing radio resources of the radio network by using the signaled adjusted radio capacity information on the radio cell.
Abstract: An apparatus for controlling temperature of an exhaust gas sensor can include a temperature estimating device for sequentially estimating the temperature of an active element based on a predetermined element temperature model, which is representative of a temperature change of the active element due to heat transfer between the active element and an exhaust gas held in contact with the active element. A heater control device can control a heater to equalize the temperature of the active element with a predetermined target temperature using an estimated value of the temperature of the active element from the temperature estimating device.
Abstract: A mobile communication terminal comprising: a clock for maintaining an indication of the current time; a memory for storing a definition of an alert time; and an alerting unit configurable to issue an alert when the current time matches the alert time, the alerting unit being capable of issuing the alert by initiating a connection to another communication terminal over a network so as to cause that other terminal to locally signal the incidence of the connection incoming thereto.
Abstract: A communication network is established by a connection to a user terminal that is capable of roaming amongst a plurality of serving areas. The network includes a controller for each serving area capable of routing a connection to a location covered by that serving area. If a controller serving the user terminal is faulty, a home database, which stores a plurality of identities of other controllers, is able to route the connection to the user terminal by selecting one of the other controllers that is valid.
Type:
Grant
Filed:
July 1, 2004
Date of Patent:
November 27, 2007
Assignee:
Nokia Corporation
Inventors:
Vesa Blom, Juha Bäck, Raili Numminen, Veikko Juusola
Abstract: The present invention discloses a computer apparatus (6-12) comprising a central processing unit (CPU) (32), means (28) for monitoring CPU load, and means (30) for reducing the CPU usage from at least one CPU demand source, thereby to reduce the CPU load, if the CPU monitoring means determines that a predetermined threshold CPU usage is at least reached in which the CPU usage reducing means comprises a thread clamper.
Abstract: An interception method and system for performing a lawful interception in a packet network such as the GPRS or UMTS network is described. A first network element having an intercepting function for intercepting data packets is provided, said interception function being controlled by an interception control means implemented in a second network element, wherein an intercepted data packet is transmitted from the first network element via the packet network to an interception gateway element providing an interface to a intercepting authority. The intercepted data packet is transmitted via a secure tunnel provided by an encryption processing. The interception control means and the interception gateway element may both be integrated in the second network element. The interception system has a clear advantage in scalability, no single point of failure, and an adaptation to different authority interfaces can be implemented only in the interception gateway.
Abstract: An injection molding machine has a control device which controls an input to an incorporated motor. The control device sets a setting value a setting value of the motor to be held for a predetermined setting time. Additionally, the control device determines a reduction ratio which causes the setting value to be reduced according to passage of time, and controls the input to the motor based on the reduction ratio. Thereby, a power consumption of the motor is reduced.
Abstract: A method of transmitting voice over IP (VoIP) in a wireless telecommunications system comprising at least one wireless mobile station, a first radio access gateway and a second radio access gateway. Address information of the second radio access gateway is defined in the first radio access gateway, if a need is detected to hand over the connection of the mobile station from a base station connected to the first radio access gateway to a base station connected to the second radio access gateway. Address information of the first radio access gateway is defined in the second radio access gateway. Data addressed to and transmitted from the mobile station is transferred through the first radio access gateway and the second radio access gateway when the handover has been performed to the base station connected to the second radio access gateway.
Type:
Grant
Filed:
November 27, 2002
Date of Patent:
November 27, 2007
Assignee:
Nokia Corporation
Inventors:
Jaakko Sundquist, Peeter Pruuden, Pekka Rissanen, Jani Ekman
Abstract: This invention relates to a SIP and SDP protocols. The idea of the invention is to modify SDP descriptions included in SIP messages to facilitate transcoding. After receiving an INVITE message from a calling party, the SIP proxy negotiates with a transcoder for getting a list of codecs of the transcoder and their address information. The SIP proxy adds the codec list of the transcoder to the received SDP description in the invite message, and sends this way modified SDP description in an INVITE message to a called party. After receiving the modified SDP, the called party selects codecs or a list of suitable codecs according to preferences in the modified SDP and its own preferences.
Type:
Grant
Filed:
October 9, 2002
Date of Patent:
November 27, 2007
Assignee:
Nokia Corporation
Inventors:
Angelo Corrao, Robert Sugar, Markus Isomäki
Abstract: A multi-user receiver which uses at least two antenna elements and in which the influence of interference is reduced, the receiver comprises: means (200) for pre-filtering a wideband antenna signal, the pre-filtering means being determined on the basis of a spatial covariance matrix estimate, which spatial covariance matrix estimate is obtained from wideband antenna signals by sampling, arranging sampled values into a signal vector and by multiplying the signal vector by its conjugate transpose vector, means (210, 218) for removing the whitening from signals of predetermined users by using an inverse matrix of the matrix used in the whitening filter, means (202, 204, 206, 208, 210) for performing multi-path combining and multi-antenna combining.
Type:
Grant
Filed:
January 21, 2004
Date of Patent:
November 20, 2007
Assignee:
Nokia Corporation
Inventors:
Kari Pajukoski, Esa Tiirola, Juha Ylitalo
Abstract: A data transmission method comprises receiving a channel access request to a radio receiving unit from a mobile station of the telecommunication system, and performing an operation on the channel access request using a predefined configuration of devices and algorithms of the radio receiving unit. After filtering the background noise from the channel access request; a characteristic of the channel access request against at least one predefined detection rule, and the channel access request is considered valid if the characteristic of the channel access request fulfils the detection rule. Essentially, the detection rule is not dependent on the configuration of the radio receiving unit.
Type:
Grant
Filed:
August 4, 2005
Date of Patent:
November 20, 2007
Assignee:
Nokia Corporation
Inventors:
Michel S. Mouna-Kingue, Sathiaseelan Sundaralingam, Khairul Hasan, Eric Jones, Mikko Säily, Santosh Nath
Abstract: A method and system for supporting mobile routers in Internet Protocol version 6 (IPv6) is provided. A mobile router obtains a care-of-address associated with an address configuration. The mobile router registers the care-of-address with a home agent. A bi-directional tunnel is established between the mobile router and the home agent. Packets are then forwarded via the bi-directional tunnel.
Type:
Grant
Filed:
November 14, 2002
Date of Patent:
November 20, 2007
Assignee:
Nokia Corporation
Inventors:
Outi Elisa Markki, Timothy J. Kniveton, Jari T. Malinen, Vijay Devarapalli, Charles E. Perkins
Abstract: A network component for processing a packet can include a buffer configured to receive a packet, a forwarding unit configured to forward the packet received at the first buffer to a loopback port, and a transmitting unit configured to transmit the packet out of the loopback port. In addition, the network component can include a loopback unit configured to loop back the packet into the loopback port, a first identification unit configured to identify an egress port, and a second transmitting unit configured to transmit the packet looped back from the loopback port out of the egress port.
Abstract: An apparatus for a multi-domain computer system includes multiple virtual system domains, each having an associated, independent routing instance. A virtual switch is created to forward packets between the domains. The virtual switch is configured to operate substantially as if it were a physical layer-2 switch. The virtual switch and the virtual domains are connected together by virtual interfaces, where the virtual switch, the virtual domains, and the virtual interfaces are all created in software. Further, protocols such as ARP, IP, and/or IPv6 operate over the virtual interfaces in substantially the same way that they would over Ethernet. Also, each domain has a software driver that behaves like an Ethernet driver, and has a 48-bit Ethernet-like address that is used for the physical address.
Abstract: A method of controlling link adaptation in a packet radio system is described, the method comprising receiving (302) a CQI (channel quality indicator) report, the CQI report including the number of parallel multi-codes, the transport block size, TBS, and the modulation scheme to be used in link adaptation; and calculating an effective code rate, ECR, based on the received CQI report. The method comprises calculating (306) new estimates for the effective code rate (ECR) and the transport block size (TBS) based on a ratio of the number of multi-codes of the CQI report and the number of multi-codes that the packet radio system has available for transmission, and executing (308) link adaptation based on the new estimates for the effective code rate (ECR) and the transport block size (TBS).