Patent application number | Description | Published |
20100056151 | Reducing Buffer Overflow - A method of reducing buffer overflow in a cellular radio network caused by a transfer of data from a buffer in a first cell to a buffer in a second cell when a handover of mobile equipment from said first cell to said second cell occurs. The method comprises temporarily increasing an amount of temporary buffer space required to handle data transferred from the buffer of the first cell to the buffer of the second cell. In one embodiment of the method, prior to increasing the amount of temporary buffer space, the amount of temporary buffer space required is calculated. | 03-04-2010 |
20100131664 | Buffer transfer in a communications network - A method and apparatus for transferring buffer data from a first network node to a second network node during a mobile handover between cells. In order to improve the speed at which buffer data is transferred during a handover, a connection using a congestion control protocol is established between the two nodes prior to the handover. Dummy data is sent over this connection, in order to approach or reach the available data transfer rate, and at the handover, the dummy data is replaced with buffer data. | 05-27-2010 |
20100156622 | POLL-BASED ALARM HANDLING SYSTEM AND METHOD - A system and method of handling poll-based alarms. The method begins by detecting a high-priority problem in a network. Next, network elements in the network related to the high-priority problem are mapped. The mapping step includes grouping network elements into focus groups wherein each focus group includes network elements having the same alarm. The mapped network elements are then polled for alarms. The polled alarms of the network elements are then correlated and processed. | 06-24-2010 |
20110078163 | METHOD AND SYSTEM FOR NETWORK FAULT MANAGEMENT - Methods of processing record data are presented, together with a Central Management Node for processing record data, and Management Subsystem DataBases for providing a record data set and matching record data. Triggered by service related network fault event, a key table comprising at least one key type is determined, based on a focus target record and related to the network fault event is determined, which key table is used in the step matching the at least one key with record data sets in determined Management Subsystem Databases. Matched results are merged, whereafter a service performance indicator may be determined, based on which a multi-layer water flow analysis of subsystem specific performance related indicators can be obtained. This analysis may be successfully used to reveal the location of the service related network fault. | 03-31-2011 |
20110093592 | IMS PERFORMANCE MONITORING - A method and apparatus enabling performance monitoring in packet-switched IP networks such as those configured according to an IP multimedia subsystem, IMS, architecture. Performance is monitored by reconstructing selected control signaling sequences. The control signaling sequences, which are typically executed according a signaling protocol such as the Session Initiation Protocol, SIP, are reconstructed by parsing the contents of monitoring request headers configured, modified, and attached to control messages according to the present invention. The header includes at least an IMS monitoring ID field ( | 04-21-2011 |
20110149730 | TECHNIQUE FOR IMPROVING CONGESTION CONTROL - A technique for controlling data transmission over a connection employing congestion control is provided. The technique comprises two basic aspects: Detecting a decrease of Round Trip Time in respect of the connection, wherein the detection is facilitated by comparing a short-term Round Trip Time average with a long-term Round Trip Time average ( | 06-23-2011 |
20110173165 | MANAGEMENT OF PERFORMANCE DATA - A method of handling performance data comprising a set of events is described. An event record for each event is stored as a set of blocks, each block containing one or more attributes of the event. The storage space occupied by each event record in is then reduced in discrete steps, each step including a reduction process that reduces the size of one of the set of blocks. This enables the provision of intermediate records between events and counters so that new event records contain complete details of their event, older event records contain less information, and even older event records may contain only high-level (counter) information. | 07-14-2011 |
20110202593 | FOCUSED SAMPLING OF TERMINAL REPORTS IN A WIRELESS COMMUNICATION NETWORK - A performance management system and method are described herein that can control which client terminal(s) (e.g., mobile terminal(s)) are to provide Quality of Experience, QoE, report(s) and also control a level of detail for the requested QoE report(s). | 08-18-2011 |
20120307791 | Methods and Devices for Controlling Handover - Methods and devices in a cellular radio system for handling repeated handovers of a user equipment between a pair of cells is provided. It is determined if the user equipment is in one of two states, moving state or stationary state. Based on the determination different actions can be taken. For example threshold optimizations for reducing repeated handover may only be applied to a user equipment determined to be in a stationary state or a user equipment determined to be in a stationary state to can be nailed to the best cell of said pair of cells by not allowing the user equipment to handover to the other cell of said pair of cells. | 12-06-2012 |
20120329471 | Method for Energy Control in a Cellular Radio System - Methods and devices enabling improved switch-on procedures during the reactivation of base stations already switched off to save power are provided. In accordance with one embodiment a method of activating a de-activated cell in a cellular radio system is provided. First measurements are collected from a number of user equipments connected to the cellular radio system. Based on the collected measurements a model for mapping a cell, the best cell, providing the least power increase in the cellular radio system when activated is constructed. When the traffic demand of the cellular radio system cannot be served using already activated cells it is determined to activate the cell that is mapped as the best cell to be activated. Hereby, the cells of a cellular radio system can be managed to maximally utilize the energy used in the system. | 12-27-2012 |
20130133041 | Data Traffic Control in a Communication Network - A method and apparatus for controlling data traffic in a communications network. The server determines that network conditions are suitable for sending delay tolerant data traffic, and as a result of the determination, it transmits a grant message to at least one client device, the grant message informing the client device that it is permitted to send or receive delay tolerant data traffic. | 05-23-2013 |
20130176871 | Network Bottleneck Management - The invention provides a method by which a network element in a telecommunications network can report factors that have limited the performance of a UE in an observation period. A bottleneck score is calculated for each factor, the bottleneck score providing a measurement of the extent to which that factor has limited the performance of that UE compared to other factors in the observation period A data record for the UE is populated with the bottleneck scores and sent in a report towards upper layer management functions. When these reports are received (e.g. by a MME) they may be complemented with global entities of the users and aggregated measures created. The bottleneck scores may be calculated by collecting per-UE performance counters from a radio scheduler and estimating an actual UE performance from the collected performance counters, replacing one or more of the measured performance counters with a hypothetical value reflecting a particular factor operating ideally, and estimating a theoretical user performance based on the hypothetical value and remaining performance counters, and assigning a bottleneck score for that factor by comparing the estimated actual user performance with the estimated theoretical user performance. | 07-11-2013 |
20130294263 | Method and Device for Monitoring Wireless Terminal Behavior According to Terminal Type - One or more embodiments of a method and device taught herein provide for monitoring wireless terminal behavior in a wireless communication network, where each wireless terminal has a defined terminal type. Data describing the behavior of a plurality of wireless terminals in the wireless communication network is obtained. Based on the obtained data, an aggregated severity score for a given terminal type is determined that is indicative of the extent to which one or more of a plurality of performance criteria have not been met by wireless terminals of the given terminal type. If the aggregated severity score for the given terminal type exceeds a corresponding severity score threshold, one or more of a plurality of predefined actions are performed based on the extent to which the threshold is exceeded. | 11-07-2013 |
20140086068 | Technique for Controlling and Handling Probe Tunnel Set Up - A technique for controlling and handling set up of a probe tunnel stretching from an access network node through a core network towards a core network node is described. In a method implementation, probe tunnel set up control comprises determining a First Fully Qualified Tunnel Endpoint Identifier (F-TEID) associated with the core network node and sending a probe tunnel set up instruction to the access network node. The instruction commands the access network node to locally set up the probe tunnel towards the core network node based on the F-TEID. | 03-27-2014 |
20140219107 | Technique for Determining Correlated Events in a Communication System - A technique for determining a correlation among events occurring in one or more network elements is provided. The correlation among the events results from a propagation of a root event through communication entities of the one or more network elements. In a method implementation the technique comprises the step of receiving a plurality of event messages from one or more network elements, wherein an event message pertaining to an event reported by a particular network element signals an occurrence context, the occurrence context comprising one or more context identifiers describing an internal communication state of the communication entity in which the event occurred at the time when the event occurred. In another step, a set of correlated events linked by identical context identifiers is determined. Based on the set of correlated events, the root event may be identified. | 08-07-2014 |
20140220998 | Methods and Apparatus for Determining Improved Mobile Network Key Performance Indicators - A method of determining one or more Key Performance Indicators, KPIs, indicative of the performance of a communications network and calculated as an aggregation of performance measurement values in the communications network. The method comprises receiving a set of performance measurement samples each of which comprises a performance measurement value and an identity of an associated source, and performing a statistical analysis of the set of performance measurement samples in order to identify any source that contributes performance measurement samples that would result in a distorting effect on a KPI. This allows performance measurement samples associated with the identified sources to be separated from other samples to obtain an undistorted performance measurement sample set. The undistorted performance measurement sample set is used as a basis for calculating the one or each KPI. | 08-07-2014 |
20140254381 | Congestion Handling in a Base Station of a Mobile Network - For implementing handling of congestions in a mobile network, a base station ( | 09-11-2014 |
20140295864 | METHOD AND ARRANGEMENT FOR TERMINAL REPORTING - The invention relates to a method for performance reporting in a wireless network, wherein at least one terminal is associated to a terminal report server by means of information in the terminal. Prior to initiating the performance report, information on operator identity is retrieved. The operator identity is combined with information identifying the associated terminal report server to compile a fully qualified domain name. Connectivity information to the terminal server report is requested and received from a domain name server, whereupon a performance report session to the terminal report server is initiated using the received connectivity information. The invention also relates to a terminal wherein the inventive method is applied. | 10-02-2014 |
20140330960 | Systems and Methods for Identifying Applications in Mobile Networks - A method for identifying an application installed in a user device of a communication system is disclosed. Based on user device and network resources utilized by the user device and installation information about applications installed application, an identification of an application can be performed. An advantage with embodiments of this invention is that an application can be identified, without prior information how the application affects user device and network resources. Malicious and noxious applications can thereby be identified. Also, a resource consumption reporting service offered to the subscribers by the operator is enabled. | 11-06-2014 |
Patent application number | Description | Published |
20110222414 | METHOD AND APPARATUS FOR ACTIVE PROBING OF TUNNELED INTERNET PROTOCOL (IP) TRANSMISSION PATHS - A method, apparatus, and system in an IP-based mobile communication network for actively probing a tunneled transmission path from a base station such as an eNB to a core network. A UE-emulator emulates a User Equipment (UE) and provides emulated NAS signaling to a Probe Connection Control (PCC) unit in the base station, which establishes the tunneled transmission path by forwarding the NAS signaling received from the emulator toward the core network. The PCC stores associated communication endpoints and UE-assigned IP addresses. A Probe Traffic Control (PTC) unit within the base station utilizes the stored endpoints and IP addresses to generate probe traffic through the tunneled transmission path toward a probe server or another base station configured as a probe reflector. The probe reflector collects and reports path properties such as packet loss, delay, jitter, and throughput. | 09-15-2011 |
20120163194 | Handling Alarms Based On User Session Records - A method is provided in a network management node for handling an alarm caused by a fault in a communications system. An alarm caused by a fault in the communications system is received from a first network element within the communications system. The alarm is associated with an identity of the first network element, and an alarm time associated with the time when the alarm was active. After receiving the alarm, the network management node sends a request to a user activity database, requesting one or more matching records. Each of the matching records is requested to comprise an identity equal to the identity of the first network element associated with the alarm, and a record time period that comprises the time when the alarm was active. The network management node receives one or more matching records from the user activity database, which one or more matching user session records identify the user sessions being affected by the alarm, and then handles the alarm based on the one or more matching user session records. | 06-28-2012 |
20120203788 | NETWORK MANAGEMENT SYSTEM AND METHOD FOR IDENTIFYING AND ACCESSING QUALITY OF SERVICE ISSUES WITHIN A COMMUNICATIONS NETWORK - A network management system ( | 08-09-2012 |
20120275331 | Random Data Stream Sampling - There is provided a method of sampling data elements from a data stream for subsequent analysis, the data stream comprising a plurality of data elements, wherein each data element has a respective unique quasi-random identifier determined from a set of identifiers, the method comprising selecting data elements from the data stream whose identifiers are within a first element selection range to give a set of selected data elements, the first element selection range being a subset of the set of identifiers; wherein, once the set of selected data elements comprises a predetermined number of data elements, the method further comprises: determining a second element selection range as a proper subset of the first element selection range; discarding data elements from the set of selected data elements whose identifiers are not within the second element selection range; and selecting at least one further data element from the data stream whose identifier is within the second element selection range for the set of selected data elements. | 11-01-2012 |
20120295631 | Method of Bringing a Wireless Telecommunication Cell Into DTX Mode - In a method and system for automatically bringing a cell into DTX mode, a time period is introduced during which the outcome of bringing a cell into DTX mode is observed. The cell can return to a transmission mode if the outcome is non-satisfactory as determined by some criteria. Hereby an improved automated DTX method can be implemented which helps save energy in a cellular radio system. | 11-22-2012 |
20120307791 | Methods and Devices for Controlling Handover - Methods and devices in a cellular radio system for handling repeated handovers of a user equipment between a pair of cells is provided. It is determined if the user equipment is in one of two states, moving state or stationary state. Based on the determination different actions can be taken. For example threshold optimizations for reducing repeated handover may only be applied to a user equipment determined to be in a stationary state or a user equipment determined to be in a stationary state to can be nailed to the best cell of said pair of cells by not allowing the user equipment to handover to the other cell of said pair of cells. | 12-06-2012 |
20120329471 | Method for Energy Control in a Cellular Radio System - Methods and devices enabling improved switch-on procedures during the reactivation of base stations already switched off to save power are provided. In accordance with one embodiment a method of activating a de-activated cell in a cellular radio system is provided. First measurements are collected from a number of user equipments connected to the cellular radio system. Based on the collected measurements a model for mapping a cell, the best cell, providing the least power increase in the cellular radio system when activated is constructed. When the traffic demand of the cellular radio system cannot be served using already activated cells it is determined to activate the cell that is mapped as the best cell to be activated. Hereby, the cells of a cellular radio system can be managed to maximally utilize the energy used in the system. | 12-27-2012 |
20130133041 | Data Traffic Control in a Communication Network - A method and apparatus for controlling data traffic in a communications network. The server determines that network conditions are suitable for sending delay tolerant data traffic, and as a result of the determination, it transmits a grant message to at least one client device, the grant message informing the client device that it is permitted to send or receive delay tolerant data traffic. | 05-23-2013 |
20130176871 | Network Bottleneck Management - The invention provides a method by which a network element in a telecommunications network can report factors that have limited the performance of a UE in an observation period. A bottleneck score is calculated for each factor, the bottleneck score providing a measurement of the extent to which that factor has limited the performance of that UE compared to other factors in the observation period A data record for the UE is populated with the bottleneck scores and sent in a report towards upper layer management functions. When these reports are received (e.g. by a MME) they may be complemented with global entities of the users and aggregated measures created. The bottleneck scores may be calculated by collecting per-UE performance counters from a radio scheduler and estimating an actual UE performance from the collected performance counters, replacing one or more of the measured performance counters with a hypothetical value reflecting a particular factor operating ideally, and estimating a theoretical user performance based on the hypothetical value and remaining performance counters, and assigning a bottleneck score for that factor by comparing the estimated actual user performance with the estimated theoretical user performance. | 07-11-2013 |
Patent application number | Description | Published |
20100045995 | SYSTEM AND METHOD FOR SURFACE PLASMON RESONANCE BASED DETECTION OF MOLECULES - A system and method for molecule detection uses a surface plasmon resonance (SPR) system with detection spots having fixed nanostructures. An SPR assembly may be combined with a digital microfluidic control system such as an electrowetting-on-dielectric (EWOD) chip. The microfluidic system individually directs sample droplets to different detection spots of the SPR assembly, thus allowing the SPR examination of different samples or sample reactions on the same surface. The nanostructures at the detection spots enhance the sensitivity of the SPR signals. | 02-25-2010 |
20110085949 | Microfluidic device, composition and method of forming - A composition made of at least 60 wt. % of a thermoplastic elastomer resin and additives that are solid at least from 0-50° C., that has a Shore A hardness that is less than about 50 bears a patterned surface, the pattern comprising at least one microfluidic channel having a cross-sectional dimension smaller than 100 microns is a substrate for forming a microfluidic device. The chief advantages of such compositions are: its ability to bond in a sealing manner to smooth surfaces of many different compositions, its ease of manufacture and microstructure patterning, and its general impermeability to liquids. | 04-14-2011 |
20110111987 | CENTRIFUGAL MICROFLUIDIC SYSTEM FOR NUCLEIC ACID SAMPLE PREPARATION, AMPLIFICATION, AND DETECTION - A microfluidic system for processing a sample includes a microfluidic CD in the form a rotatable disc, the disc containing a plurality of separate lysis chambers therein. A magnetic lysis blade and lysis beads are disposed in each of the lysis chambers and a plurality of stationary magnets are disposed adjacent to and separate from the microfluidic CD. The stationary magnets are configured to magnetically interact with each of the magnetic lysis blades upon rotation of the microfluidic CD. Each lysis chamber may have its own separate sample inlet port or, alternatively, the lysis chambers may be connected to one another with a single inlet port coupled to one of the lysis chambers. Downstream processing may include nucleic acid amplification using thermoelectric heating as well as detection using a nucleic acid microarray. | 05-12-2011 |
20110226962 | METHOD AND APPARATUS FOR DETECTING FLUORESCENCE EMITTED BY PARTICLE-BOUND FLUOROPHORES CONFINED BY PARTICLE TRAPS - A method of detecting a fluorescence signal emitted by fluorophores bound to particles confined in a particle trap, includes an objective lens having a focal plane, which is normally the focal plane for incident collimated light. The particle trap is typically located in the focal plane, and a beam of excitation light is directed via the objective lens onto the confined particles in the trap. The excitation light is in the form of a divergent beam coming to focus at a plane displaced from the focal plane. The divergent beam has a spot diameter at the focal plane determined by the divergence of the beam. The fluorescent light emitted by the fluorophores is detected with a confocal detector. | 09-22-2011 |
20130089614 | Magnetic Nanoparticles and Uses Thereof - Magnetic nanoparticles are provided that have a superparamagnetic core and a nanoporous silica shell surrounding the core. The shell is functionalized with amine or S-nitrosothiol groups both inside and outside the nanopores. A process to provide such nanoparticles involves hydrolyzing tetraethoxysilane (TEOS) in a microemulsion of a superparamagnetic nanoparticle to form a superparamagnetic nanoparticle encapsulated by an incompletely hydrolyzed nanoporous silica shell, and hydrolyzing an amine-containing compound or a thiol-containing compound in situ in the presence of the incompletely hydrolyzed nanoporous silica shell before hydrolysis and densification of the silica shell is complete to functionalize the nanoporous silica shell with amine or thiol groups both inside and outside the nanopores and to maintain nanoporosity of the shell. Such magnetic nanoparticles are useful as carriers for chemical or biological species, particularly for magnetic resonance imaging, optical imaging, targeted drug delivery, cell delivery and magnetic separation applications. | 04-11-2013 |
20130139899 | SEMIPERMANENTLY CLOSED MICROFLUIDIC VALVE - A microfluidic valve operable to semi-permanently close a channel of a microfluidic device defined between a thermoplastic elastomer (TPE) film and a substrate operates employs a surface contact bond between the TPE and a wall of the channel. Thermomechanical release of the valve, tristate functionality, and repeated semi-permanent closure and release are demonstrated. | 06-06-2013 |
20130317130 | 3D Microfluidic Devices Based on Open-Through Thermoplastic Elastomer Membranes - The invention provides a new process for patterning TPE membranes for use in the design and fabrication of 3D microfluidic devices. The process involves patterning a TPE material without permitting the highest features of the mold to come into contact with the counter-plate, whereby adhesion between the TPE and the mold or counter-plate during demolding results directly in removal of the excess layer from the TPE membrane to produce well formed micrometric-sized open-through holes in the TPE membrane. The process permits rapid, reliable and efficient patterning of densely packed and arbitrarily placed micrometric open-through holes and channels of high aspect-ratio and any shape or wall profile in thin TPE membranes. | 11-28-2013 |
20140004507 | Microfluidic System Having Monolithic Nanoplasmonic Structures | 01-02-2014 |
20140134631 | CENTRIFUGAL MICROFLUIDIC PLATFORM - A centrifugal microfluidic device is provided having a microfluidic circuit, a fluid reservoir for providing fluid in the microfluidic circuit, a hydrodynamic resistance element in fluid communication with the reservoir for controlling rate of flow of a fluid out of the reservoir, and a siphoned chamber in fluid communication with the hydrodynamic resistance element and the microfluidic circuit for receiving fluid from the hydrodynamic resistance element and for delaying and metering of the fluid into the microfluidic circuit. The microfluidic device is useful for performing a biological assay. Operation of the device is completely independent on the liquid-solid contact angle and wetting properties of the liquids on the solid material of the platform, and the device does not need a carefully controlled rotation protocol. | 05-15-2014 |
20140212992 | CENTRIFUGALLY-ENHANCED CAPTURE METHOD AND DEVICE - In a centrifugal microfluidic device for conducting capture assays, a microfluidic platform rotates in a plane of rotation and has at least one capture surface for immobilizing a target particle of interest in the device. The capture surface oriented so that it is not parallel to the plane of rotation of the device and is positionally fixed in the device during operation of the device. The centrifugal force arising from rotation of the device forces the target particles against the capture surface. Capture efficiency is independent of the rate of flow of the fluid and independent of the rate of rotation of the microfluidic platform. | 07-31-2014 |
20150138912 | CENTRIFUGAL MICROFLUIDIC MIXING APPARATUS AND METHOD - A centrifugal microfluidic device having a microfluidic mixing element with a microfluidic mixing chamber in which at least two flows emerging from channels into the chamber at separate places are redirected to land at substantially the same place on a mixing surface provides efficient mixing of two or more fluids in the chamber. | 05-21-2015 |