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| Number | Title | Issue Date |
| 7642979 | Wave-guide-notch antenna A dual polarized wave-guide notch antenna array is disclosed. The device comprises a feed section having at least two input transmission lines, a feed/wave-guide interface providing an aperture for transferring a radio frequency electromagnetic wave between the feed... | 01/05/2010 |
| 7411449 | Composite power amplifier A PAMELA-type of composite power amplifier is configured in such a way that a single power amplifier is operated at low output voltage amplitudes by prohibiting a pair of outphasing power amplifiers to produce any current. Preferably, at output voltage amplitudes ab... | 08/12/2008 |
| 7170978 | Voice mail service where the caller can choose among different message types This invention presents a method to provide a more enhanced voice message system to subscribers of a voice message service, where a calling party can receive more detailed information about the called subscriber and in different kind of formats. This is done by givi... | 01/30/2007 |
| 7149299 | System and method for call completion on busy subscribers System and methods for allowing the extension of the ISDN/GSM Call Completion to Busy Subscriber Supplementary Service across a Network Boundary between a general Switched Circuit Network (SCN) using ISUP as call control protocol, and an IP Packet Network using SIP ... | 12/12/2006 |
| 7120149 | Methods and system for resequencing out of order data packets Methods and a related data routing system for handling received data packets that are out of sequence and were previously declared lost. Following receipt of a data packet, it is determined if the sequence number of the received data packet is out of order in compar... | 10/10/2006 |
| 7113768 | Controlling charging for wireless message services The invention relates to a method in a wireless communications system (WCS) of controlling charging procedures for message services which enable transport of messages from a mobile station (MS) to a service center (SC), the method comprising transporting a message f... | 09/26/2006 |
| 7091889 | Speed and memory optimized interleaving This invention relates to a method for interleaving, according to an interleaving scheme, an input sequence comprising K bits into an interleaved sequence, comprising the steps of (a) storing the input sequence in a first memory means, (b) generating first indices o... | 08/15/2006 |
| 7092463 | Method and apparatus for interference rejection The invention relates to an apparatus, and an associated method, in a communication system that is tolerant to interference. The received signal is divided into a real and an imaginary part, and the noise and interference is modeled as a filtered process. The invent... | 08/15/2006 |
| 7088978 | System and method for interference cancellation in a wireless communication receiver A communication receiver improves its channel estimation performance, its equalization performance, or both, by modeling the non-Gaussian characteristics of a dominant source of interference in a received signal. That is, rather than using Gaussian-based modeling, t... | 08/08/2006 |
| 7088967 | Data-compensating power measurement A method and a device for compensating a data-dependency of a power measurement caused by linear modulation is described. The method comprises performing a first measurement (160) of a transmitted output power and performing a second measurement (160) ... | 08/08/2006 |
| 7082159 | Methods and arrangements in a telecommunications system A method and apparatus in a wireless communication system comprising at least one transmitter provided with at least two antennas and at least one receiving unit provided with at least one antenna and wherein training sequences are transmitted from the at least two ... | 07/25/2006 |
| 7075465 | Comparator offset calibration for A/D converters An A/D converter includes at least one comparator array (COMP1–COMP7) for flash A/D conversion of an analog signal. Means (CCU, SW1–SW7) provide, for each comparator in the array, a common reference signal to both comparator input ter... | 07/11/2006 |
| 7075387 | Directional coupler, antenna interface unit and radio base station having an antenna interface unit A directional coupler for radio frequency application, comprising: an input (110) for receiving a radio frequency input signal; a port (120) for delivering a radio frequency output signal; a first elongated conductor (150; 150:1), suspended in a... | 07/11/2006 |
| 7070090 | Kit and method for field-modification of a mailbox to protect against mail theft A kit, and method of installation thereof, for field-modification of a mailbox to protect against mail theft. An exemplary kit includes: a security panel having a peripheral shape conforming to the interior dimensions of an opening defined by walls of the mailbox an... | 07/04/2006 |
| 7069495 | Bit error resilience for an internet protocol stack The invention concerns the bit error resilience of an IP protocol stack based on a secure link layer, in which packet flows are header compressed according to a suitable header compression standard. By analyzing each packet at the link layer, it can be determined wh... | 06/27/2006 |
| 7069356 | Method of controlling a queue buffer by performing congestion notification and automatically adapting a threshold value A method of controlling a queue buffer (2), said queue buffer (2) being connected to a link (1) and being arranged to queue data units (30) that are to be sent over said link (1) in a queue (20), comprising: determining (S | 06/27/2006 |
| 7065055 | Zero delay interference cancellation Method and apparatus for minimizing the processing delay incurred by an IC receiver over conventional receivers in a CDMA cellular system are disclosed. The method and apparatus involve operating the conventional receiver and the IC receiver in parallel to each othe... | 06/20/2006 |
| 7065356 | Systems and methods for preventing unauthorized use of roaming numbers in a wireless telecommunications system Systems and methods for preventing unauthorized use of roaming numbers in a wireless telecommunications system. Upon receipt of a call request for a mobile terminal at a Gateway Mobile Switching Center (GMSC), the GMSC queries a Home Location Register (HLR). The HLR... | 06/20/2006 |
| 7058402 | Subscribers database proofing using a checksum in a telecommunications system The present invention is a method and system for updating location information of mobile stations. A mobile station moves from an area controlled by a first mobile services switching center (MSC) to an area controlled by a second MSC. The mobile station then registe... | 06/06/2006 |
| 7054394 | Doppler shift and spread estimation method and apparatus For a noise resistant estimation of a Doppler spread for a radio signal transmission channel in a mobile communications environment, the Doppler spread is estimated on the basis of an autocorrelation function for predefined signal portions of a received radio signal... | 05/30/2006 |
| 7054353 | Radio receiver and channel estimator The present invention is related to a Rake receiver (R1) for receiving a radio signal and to a searcher (S8a, S8b) for estimating the delay profile of one or more radio links. The searcher includes means for estimating delay profil... | 05/30/2006 |
| 7053309 | Cable with shielding strip The figure shows an electrical cable with conductors (1) of metal, surrounded by each of an inner conducting layer (2), insulation (3) and an outer conducting layer (4). A moisture barrier (11) with an electrically conducting layer... | 05/30/2006 |
| 7051430 | Method of manufacturing a printed board assembly Methods of manufacturing a printed board assembly. In one embodiment, a substrate is coated with an electrically conducting material; electrical components are mounted on some areas of the substrate; non-conducting material is disposed in areas between the electrica... | 05/30/2006 |
| 7054873 | Telecommunications network resource handling arrangement and method A resource handler for use in an operational support structure for managing a telecommunications network. The handler includes a service and resource database containing information regarding network resources. The database arrangement is structured so that each res... | 05/30/2006 |
| 7054843 | Method and apparatus in a telecommunications system The present invention relates to methods for providing access independent global roaming between heterogeneous networks. The invention solves this problem and provides policy enforcement and service transparency when terminals roam between different heterogeneous ne... | 05/30/2006 |
| 7054629 | Method and means for redistribution of subscriber information in UMTS networks where the nodes are arranged in pools The present invention relates to method and means for a system initiated subscriber information redistribution in order to achieve a load redistribution within a pool of core network nodes. The subscribers, that are affected by the redistribution, are determined by ... | 05/30/2006 |
| 7054602 | Calibrating method and apparatus in a telecommunication system The present invention relates to a calibration arrangements and, in particular, calibration arrangements in an antenna receiver included in a radio base station. The receiver (1) comprises an antenna (300) with one or more amplifiers (100, 200) ... | 05/30/2006 |
| 7051083 | Addressing in a communications network comprising call control level and bearer control level by utilizing network service access point (NSAP) addressing format A method of signalling in a telecommunications system that includes a Call Control level and a Bearer Control level, where the Call Control level includes a plurality of Media Gateway Controllers and the Bearer Control level includes a plurality of Media Gateways, e... | 05/23/2006 |
| 7020086 | Lagrange quality of service routing A method for practical QoS routing, which provides a solution to the delay constrained least cost routing problem, is presented. The method uses the concept of aggregated costs and finds the optimal multiplier based on Lagrange relaxation. The method is polynomial i... | 03/28/2006 |
| 7016355 | Determination of the propagation delay in a packet switched network A method of determining the propagation delay over a packet switched network intented to provide a segment of a telephone circuit. In response to a request for a telephone circuit between two subscribers, a packet containing an echo request message is transmitted ov... | 03/21/2006 |
| 7010277 | Arrangement and method for interference cancelling The present invention relates to an apparatus for cancellation of electromagnetic interferences (n), including means (3) for dividing a reference signal (sc) into a first and second signal (scl, scQ) having different phases, t... | 03/07/2006 |
| 7003200 | PM fiber alignment The polarization axes of the ends of two PM fibers are aligned in an automatic fiber splicer by first making a linear alignment of the fiber ends (1, 1′) using movable retainers (21) the same way as for conventional splicing. The fiber ends are rotat... | 02/21/2006 |
| 6985474 | Random access in a mobile telecommunications system A method for processing multiple random access requests is disclosed in which a base station transmits an acquisition indicator signal, which indicates that the base station has detected the presence of a random access transmission. The acquisition indicator can be ... | 01/10/2006 |
| 6983149 | Method for determining a monitored set of cells associated with an active set of cells The present invention is related to cellular radio communication network and is a method for determining a Monitored set (MS) of cells associated with an Active set (AS) of cells by a particular ranking of the neighbouring cells associated with each of the cells in ... | 01/03/2006 |
| 6980742 | Wavelength control in optical WDM systems Wavelength drift in an optical WDM system between wavelengths launched by lasers (110) and received at a demultiplexer (50) can lead to disturbance of traffic signals if not identified and rectified rapidly. It is proposed to identify wavelength drift ... | 12/27/2005 |
| 6976177 | Virtual private networks A secure communication method for allowing a mobile host to communicate with a correspondent host over a Virtual Private Network. The method comprises negotiating one or more Security Associations between the mobile host and a correspondent host of a Virtual Private... | 12/13/2005 |
| 6973054 | Communication management in mobile networks having split control planes and user planes A method in a communication system of transferring control of a user-plane entity from a first control-plane entity to a second control-plane entity is provided. The user-plane entity sends a set of identifying parameters to the first control-plane entity, which sub... | 12/06/2005 |
| 6973135 | Reduced delay implementation of fourier transform based channelizers and de-channelizers In a wireless telecommunications system, data processing delays associated with digital channelization and de-channelization may be reduced through the use of a technique that involves processing data blocks in conjunction with the transformation of the data blocks ... | 12/06/2005 |
