Patent application number | Description | Published |
20110096750 | DYNAMIC GATEWAY SELECTION PROCESS - A selection mechanism and a selection process are disclosed that provide the selection of a network device based on defined criteria to allow efficient use of the network and load balancing. In one embodiment, a method is disclosed that includes receiving an initial attachment at a gateway including an identifier of a radio attachment point, obtaining a name for the radio attachment point based on the identifier, accessing a list of names of packet data network gateways (PGWs) that can serve the initial attachment to provide a network connection, comparing the name for the radio attachment point with the list of names of the PGWs to determine at least one PGW that provides a closest match to the name for the radio attachment point, and selecting at least one PGW that provides the closest match to establish the network connection. | 04-28-2011 |
20120093167 | Call Localization and Processing Offloading - In one embodiment, a gateway implements: receiving an indication that a first and a second end point of a communication session are both associated with a first gateway, the first gateway in communication with a second gateway to access services; receiving from the first end point at the first gateway a compressed packet; and communicating within the first gateway, the compressed packet from the first end point to the second end point, where the communicating is initiated in response to the indication that the first and second end points of the communication session are both associated with the first gateway, and where the communicated compressed packet is communicated through the first gateway without passing through the second gateway. | 04-19-2012 |
20120131639 | SESSION REDUNDANCY AMONG A SERVER CLUSTER - Systems and methods are provided for providing redundancy and failover for servers communicating via an authentication protocol. Mirroring is initiated at the beginning of a Diameter application session by an enhanced Diameter server, which continuously provides updates of the Diameter session to one or more peer Diameter mirror servers and thereby maintains an active mirror of the session. | 05-24-2012 |
20130097329 | SYSTEMS AND METHODS FOR IP REACHABILITY IN A COMMUNICATIONS NETWORK - In a system and method for establishing communications in a communications network, a network service provider can assign IP addresses to mobile devices dynamically to conserve IP address resources. A network service provider can also implement network address translation to further conserve IP address resources and to provide improved security. If a requestor seeks to obtain an IP address of a mobile device and the address is a local address, the system determines if the mobile device has a network address translation (NAT) binding that associates the IP address of the mobile device with a public IP address. If the mobile device does not have a NAT binding, the system creates a NAT binding that associates the IP address of the mobile device with a public IP address. | 04-18-2013 |
20130139221 | Web Authentication Support for Proxy Mobile IP - Techniques are provided for performing web authentication of mobile wireless devices that roam from a wireless wide area network to a wireless local area network. A redirect rule is invoked when a request is received from the mobile wireless device for world wide web access in order to obtain authentication for the mobile wireless device before permitting world wide web access. When a world wide web access request is received from the mobile wireless device, it is redirected to an authentication portal to allow a user of the mobile wireless device to enter user credentials to allow for world wide web access using the IP address. | 05-30-2013 |
20130322347 | LEVERAGING MULTIPLE ACCESS TECHNOLOGIES SIMULTANEOUSLY - Systems and method are provided that allow a mobile device to communicate over multiple access technologies at the same time, including a cellular access technology, such as LTE, and via an untrusted WLAN access. The untrusted access is initiated via internet key exchange. The mobile device uses the same IP address over both access technologies. | 12-05-2013 |
20140129728 | APPARATUS, SYSTEMS, AND METHODS FOR IP REACHABILITY IN A COMMUNICATIONS NETWORK - In a system and method for establishing communications in a communications network, a network service provider can assign IP addresses to mobile devices dynamically to conserve IP address resources. A network service provider can also implement network address translation to further conserve IP address resources and to provide improved security. If a requestor seeks to obtain an IP address of a mobile device and the address is a local address, the system determines if the mobile device has a network address translation (NAT) binding that associates the IP address of the mobile device with a public IP address. If the mobile device does not have a NAT binding, the system creates a NAT binding that associates the IP address of the mobile device with a public IP address. | 05-08-2014 |
20140155109 | SUBSCRIBER-AWARE PAGING - This disclosure relates to systems and methods for paging devices in a communication network. A network device providing mobility management through control messaging can be assigned a number of cell sites in multiple tracking areas. The network device such as a mobility management entity (MME) can use a subscriber-aware implementation to provide a hierarchy for contacting a mobile device with a page. The subscriber-aware implementation can be tailored to analyze subscriber activity such as frequency and timing, to page a subset of the total number of cell sites in multiple tracking areas based on the subscriber activity, and to expand the subset after unsuccessful attempts to page the mobile device. | 06-05-2014 |
20140214914 | SYSTEM AND METHOD FOR ABSTRACTING AND ORCHESTRATING MOBILE DATA NETWORKS IN A NETWORK ENVIRONMENT - A method is provided in one example and includes receiving data from a network element, determining a candidate data processing task for the received data based upon a first similarity metric between the received data and data currently associated with the candidate data processing task, and sending the received data to the candidate data processing task. | 07-31-2014 |
20140280830 | ORCHESTRATING MOBILE DATA NETWORKS IN A NETWORK ENVIRONMENT - A method is provided in one example and includes receiving a request for a service from a requestor, an determining at least a first network element and at least a second network element required to satisfy the request from among a plurality of network elements. The method further includes triggering a coordinating of a work flow between the first network element and the second network element responsive to the request. The method still further includes translating communication messages exchanged between the first network element and the second network element from a first communication protocol format and a second communication protocol format. | 09-18-2014 |
20150019746 | INTEGRATED SIGNALING BETWEEN MOBILE DATA NETWORKS AND ENTERPRISE NETWORKS - A method is provided in one example and includes receiving a request from a first network element associated with a first network for establishing a first communication session between the first network element to a first user device associated with a second network. The request includes a first user identifier used to identify a first user associated with the first user device within the first network. The method further includes translating the first user identifier to a second user identifier in which the second user identifier is used to identify the first user within the second network. The method still further includes sending a first query including the second user identifier to a second network element, and receiving a first response message including quality of service information indicated by a policy associated with the second user identifier. | 01-15-2015 |
20150278296 | SYSTEM AND METHOD FOR ORGANIZING RECEIVED DATA AND ASSOCIATED METADATA IN A MOBILE ENVIRONMENT - A method is provided in one example and includes receiving data from a mobile network entity, parsing the data to determine a first identity and first attribute information associated with the first identity, determining whether the first identity exists in a database, storing the first identity in the database if the first identity does not exist in the database, and storing the first attribute information in association with the first identity in the database. The method further includes determining whether there is at least one identity related to the first identity in the database, and updating each of the related identities with the first attribute information when it is determined that there is at least one identity. | 10-01-2015 |
20150282118 | SUBSCRIBER-AWARE PAGING - This disclosure relates to systems and methods for paging devices in a communication network. A network device providing mobility management through control messaging can be assigned a number of cell sites in multiple tracking areas. The network device such as a mobility management entity (MME) can use a subscriber-aware implementation to provide a hierarchy for contacting a mobile device with a page. The subscriber-aware implementation can be tailored to analyze subscriber activity such as frequency and timing, to page a subset of the total number of cell sites in multiple tracking areas based on the subscriber activity, and to expand the subset after unsuccessful attempts to page the mobile device. | 10-01-2015 |
20150289167 | SYSTEM AND METHOD FOR ORCHESTRATING POLICY IN A MOBILE ENVIRONMENT - A method is provided in one example and includes receiving at least one first input indicating at least one network condition associated with a first user device having a user associated therewith. The first user device has a first bearer channel established between the first user device and a gateway, and the first bearer channel has a first quality of service level. The method further includes determining whether to modify the first user device to a second quality of service level based upon the received at least one first input, and sending a first request to a first network element instructing the first network element to modify the first user device to the second quality of service level. | 10-08-2015 |
20160073423 | LEVERAGING MULTIPLE ACCESS TECHNOLOGIES SIMULTANEOUSLY - Systems and method are provided that allow a mobile device to communicate over multiple access technologies at the same time, including a cellular access technology, such as LTE, and via an untrusted WLAN access. The untrusted access is initiated via internet key exchange. The mobile device uses the same IP address over both access technologies. | 03-10-2016 |
Patent application number | Description | Published |
20100142073 | METHOD AND APPARATUS FOR CONTROLLING FLY-HEIGHT OF A PERPENDICULAR-MAGNETIC-RECORDING HEAD IN A HARD DISK DRIVE - A method for controlling proximity of a read element of a perpendicular-magnetic-recording (PMR) head to a PMR disk. The method includes: a) writing recorded data with a write element of the PMR head to the PMR disk; b) providing a proximity-control setting to a proximity-control element; c) positioning the read element of the PMR head with the proximity-control element as determined by the proximity-control setting in communication with the PMR disk for reading recorded data back from the PMR disk; d) measuring a resolution of a read-back signal of recorded data on the PMR disk associated with the proximity-control setting; e) determining if the resolution measured for the read-back signal of recorded data on the PMR disk satisfies a criterion for the resolution of the read-back signal of recorded data; and, f) changing the proximity-control setting, and repeating b), c), d) and e), unless the resolution satisfies the criterion. | 06-10-2010 |
20100254041 | PERPENDICULAR MAGNETIC RECORDING SYSTEM WITH HELICAL WRITE COIL AND AUXILIARY COIL FOR FAST SWITCHING OF WRITE POLE MAGNETIZATION - A perpendicular magnetic recording system has a write head having a main helical coil (the write coil) and main pole (the write pole) that directs write flux in a direction perpendicular to the recording layer in the magnetic recording medium, and an auxiliary coil and auxiliary pole that injects magnetic flux into the write pole at an angle to the primary or perpendicular axis of the write pole. The auxiliary coil is preferably a helical coil wrapped around the auxiliary pole. The additional flux from the auxiliary pole, which is injected non-parallel to the primary magnetization of the write pole, exerts a relatively large torque on the magnetization of the write pole, thereby facilitating magnetization reversal of the write pole. Electrical circuitry is connected to the main coil and the auxiliary coil to generate the auxiliary flux simultaneous with the switching of the magnetization of the write pole. | 10-07-2010 |
20110038080 | PERPENDICULAR MAGNETIC RECORDING WRITE HEAD WITH SPIN TORQUE OSCILLATOR FOR FAST SWITCHING OF WRITE POLE MAGNETIZATION - A perpendicular magnetic recording write head that a write pole, an electrically conductive coil coupled to the write pole for generating magnetic flux in the write pole in the presence of electrical write current, and a spin torque oscillator (STO) that injects auxiliary magnetic flux to the write pole in a direction generally orthogonal to the write pole to facilitate magnetization switching of the write pole. The STO comprises a stack of layers including electrodes, a pinned ferromagnetic layer having a fixed, a free ferromagnetic layer having a magnetization free to rotate, and a nonmagnetic spacer layer between the pinned and free layers. The free layer may be oriented either substantially orthogonal to the write pole or substantially parallel to the write pole, in which latter embodiment a flux guide may be located between the free layer and the write pole for directing the auxiliary magnetic flux from the free layer to the write pole. | 02-17-2011 |
20110128646 | SYNCHRONIZED REWRITING OF DATA - A hard disk drive (HDD) including a magnetic disk, the magnetic disk including a data track. The HDD also includes a synchronized rewrite controller for synchronizing a plurality of rewrites of a data pattern on a location of the track of the magnetic disk and the HDD includes a write head controlled by the synchronized rewrite controller for writing the data pattern on the location of the data track and rewriting the data pattern a plurality of times on the location in synchronization with a prior writing of the data pattern on the data track. | 06-02-2011 |
20110149441 | MAGNETIC RECORDING DISK DRIVE WITH WRITE DRIVER TO WRITE HEAD TRANSMISSION LINE HAVING NON-UNIFORM SECTIONS FOR OPTIMAL WRITE CURRENT PULSE OVERSHOOT - An interconnect between the write driver and the write head in a magnetic recording disk drive enables an inherent write current overshoot. The interconnect includes an integrated lead suspension (ILS) and a short flex cable that connects the write driver circuitry to the ILS. The interconnect is a two-segment transmission line, with the first segment connected to the write driver having multiple sub-segments or sections with non-uniform impedance levels. The section of the first segment that connects to the write driver is the short flex cable and has an impedance substantially higher than the source impedance Z | 06-23-2011 |
20130077453 | DISK DRIVE CALIBRATING A LASER WRITE POWER FOR HEAT ASSISTED MAGNETIC RECORDING - A disk drive is disclosed comprising a head actuated over a disk, wherein the head comprises a laser for heating the disk while writing data to the disk. The disk drive receives write commands, and increases a power of the laser to a write power for heating the disk while writing data to the disk. A calibration interval is adjusted based on the power applied to the laser over time, and the write power is calibrated at the calibration interval. | 03-28-2013 |
Patent application number | Description | Published |
20090325167 | METHOD OF USING CYTOKINE ASSAY TO DIAGNOSE, TREAT, AND EVALUATE INFLAMMATORY AND AUTOIMMUNE DISEASES - The invention provides methods for diagnosing, treating, or evaluating inflammatory and autoimmune diseases by sampling peripheral blood, serum, plasma, tissue, cerebrospinal fluit, or other bodily fluids from a human subject having a suspected diagnosis. The sample is analyzed for the presence and amount of certain cytokines, which provides the diagnosis, prognosis or evaluation of therapeutic response. | 12-31-2009 |
20120258883 | METHOD OF USING CYTOKINE ASSAYS TO DIAGNOSE, TREAT, AND EVALUATE INFLAMMATORY AND AUTOIMMUNE DISEASES - The invention provides methods for diagnosing, treating, or evaluating inflammatory and autoimmune diseases by sampling peripheral blood, serum, plasma, tissue, cerebrospinal fluid, or other bodily fluids from a human subject having a suspected diagnosis. The sample is analyzed for the presence and amount of certain cytokines, which provides the diagnosis, prognosis or evaluation of therapeutic response. | 10-11-2012 |
20140005071 | Method of Using Cytokine Assays to Diagnose, Treat, and Evaluate Inflammatory Disease | 01-02-2014 |
Patent application number | Description | Published |
20140307702 | Massive MIMO (M-MIMO) Support for Heterogeneous Networks (HETNETS) - Systems and methods for enabling a wireless backhaul network between access points (APs) in a wireless network are provided. In an embodiment, the wireless backhaul network is enabled using a Massive Multiple Input Multiple Output (MIMO) radio access technology (RAT). In another embodiment, the wireless backhaul network is established using the same RAT as used by the APs to serve user devices, and can utilize the same time and frequency resources used for user communication. | 10-16-2014 |
20140307814 | Antenna Systems and Methods for massive MIMO Communication - Antenna systems and methods for Massive Multi-Input-Multi-Output (MIMO) (M-MIMO) communication are provided. Antennas systems include a M-MIMO transmitter architecture with a hybrid matrix structure. The hybrid matrix structure protects against transmit path component failures and ensures that a spatial rate of the MIMO transmitter is not degraded by the failures. Antenna systems and methods also include antenna selection schemes for selecting a subset of antennas from a plurality of antennas to transmit to a receiver. | 10-16-2014 |
20140307815 | Systems and Methods for Beamforming in a Massive MIMO System - Embodiments provide systems and methods for enabling a first transceiver to learn beamforming weights (e.g., Eigen beamforming weights) to a second transceiver, without any pilot signaling or explicit beamforming weight signaling from the second transceiver. In another embodiment, beamforming weight vectors to enable a multi-symbol spatial rate can be learned by the first transceiver. | 10-16-2014 |
20140307816 | Pilot Design for Massive MIMO Communication - Embodiments recognize that in MIMO and M-MIMO systems, physical antennas tend to be closely spaced to each other (e.g., a grid). As a result, a spatial correlation typically exists between physical antennas as well as between transmissions from logical antenna ports. Embodiments exploit this characteristic to reduce the amount of pilot signaling needed to enable downlink channel estimation. Specifically, embodiments limit pilot signaling to only a subset of supported logical antenna ports and rely on spatial correlation information to interpolate channels from logic antenna ports for which no pilot signaling is used. | 10-16-2014 |
20140307819 | Adaptive Cross-Radio Access Technology (RAT) Channel Assignment - Systems and methods for channel assignment configuration in a multiple access point (AP) environment are provided. The multiple APs can be homogeneous or heterogeneous and can implement one or more radio access technologies (RATs), including Massive Multiple Input Multiple Output (M-MIMO) RATs. A channel assignment configuration for a user equipment (UE) can identify one or more communication channels to be established to serve the UE by one or more of the APs. | 10-16-2014 |
20140335845 | Small Cell Base Station DTX Mode - The present disclosure is directed to a system and method for transitioning small cell base stations out of a discontinuous transmission (DTX) mode. The system and method comprise monitoring at the small cell base stations uplink transmissions from user terminals (UTs) to a macrocell base station while the small cell base stations are in the DTX mode. The small cell base stations can use the monitored uplink transmissions to, for example, measure received power levels from the UTs and/or measure uplink path losses between the small cell base stations and the UTs. The small cell base stations can report these measured values back to the macrocell base station through a backhaul network. Based on these measurements, the macrocell base station can determine which small cell base stations can support which UTs without transitioning the small cell base stations out of the DTX mode. | 11-13-2014 |
20140362787 | Reducing Precoder Signaling Overhead for MIMO Communication System - Where receiver performance at a User Equipment (UE) is similar using a coarse precoder codebook as using a fine resolution precoder codebook, the signaling of a two-component precoder codebook is modified such that a precoder codeword is signaled to the UE in only a portion of the physical resources allocated for precoder codeword signaling to the UE. The remaining portion of the allocated physical resources is used to signal control information to improve the UE's performance. | 12-11-2014 |
20150036821 | Physical Layer Encryption for MIMO Communication Networks - Systems and methods are provided for encrypting a data transmission from a base station at the physical layer, such that the data transmission can only be decoded successfully by an intended UE. In an embodiment, a desired signal component, including a data signal for an intended UE, is combined with an interference component to generate a signal for transmission. The interference component is designed such that it falls in a null space of the channel from the base station to the intended UE and is therefore not received by the intended UE. In contrast, for an unintended UE, the interference component is designed to interfere with the desired signal component at the unintended UE, preventing the unintended UE from successfully decoding the data transmission. | 02-05-2015 |
20150063498 | Efficient Tree-Based MIMO OFDM Detection - Systems and methods are provided for efficient tree-based detection of multi-carrier modulated signals, such as Orthogonal Frequency Division Multiplexing (OFDM) symbols. In an embodiment, a plurality of signals occupying respective tones are received and processed to determine an order, based on a tone quality metric, for the plurality of signals. The plurality of signals are then dispatched to a pool of tree detectors in accordance with the order. In an embodiment, the order ensures that signals occupying higher quality tones, and requiring shorter detection times, are dispatched first to the pool of tree detectors. In another embodiment, a maximum runtime of busy tree detectors of the pool is updated based signal on actual detection times to exploit the time slack of early terminating detectors. | 03-05-2015 |
20150085944 | METHODS OF ANTENNA SYSTEM CONTROL IN MASSIVE MIMO SYSTEMS - A multiple input multiple output (MIMO) antenna system is implemented for communications in a wireless device. Information regarding the environment surrounding the wireless device may be used to determine which of the MIMO antennas are selected such that communications performance is improved. Metrics related to signal transmission and reception by the wireless device may be monitored and used to determine which MIMO antennas are selected. The metrics may be measured by any of the MIMO antennas at any time, including antennas currently engaged or not engaged in active communications. The metrics may be used in lieu of sensors to supplement or replace wireless device functionality otherwise provided by the sensors. | 03-26-2015 |
20150092621 | Full Duplex System in Massive MIMO - A multiple input multiple output (MIMO) antenna system is implemented for communications in a wireless device. MIMO beamforming techniques are utilized to improve communications, and may be utilized in full-duplex mode. Techniques include the formation of beamforming patterns having orthogonal polarizations to one another at each communication device, but having matching polarization between transmit/receive pairs located at each respective communication device. Techniques also include the formation of beamforming patterns in a direction towards another communication device to maximize transmit power in that direction while inducing nulls in the beamforming pattern to reduce self-interference coupling via antennas configured for reception. Full-duplex communications are improved through monitoring of the self-interference coupling and adapting the beamforming patterns to reduce it. Beamforming vectors may be generated by solving a cost function that may include an additional constraint of reduction of self-interference coupling. | 04-02-2015 |
20150162959 | Cross Cell Beam Persistence In A Massive Multiple-Input, Multiple Output (MIMO) Environment - In wireless operating environments, wireless user devices are often within the coverage area of multiple base stations. The base station providing the best uplink for the user device may be different than the base station providing the best downlink for the user device. Systems and techniques for asymmetric uplink and downlink communications for a user device are provided. In embodiments, the user device initially synchronizes with a base station. Both the uplink and downlink are initially served by this base station. A determination is then made whether to handoff the downlink for the user device to another base station. When a determination is indicated, the downlink is handed off to the second base station. Thereafter, periodic measurements are made. The determinations whether to handoff the uplink and downlink for the user device are made independently. | 06-11-2015 |
20150162961 | Base Station Simultaneously Servicing Legacy Cellular and Massive Multiple-Input, Multiple-Output - As wireless networks evolve, network providers may utilize legacy LTE devices as well as devices that support massive multi-input, multiple output (M-MIMO). Systems and methods for simultaneously servicing legacy LTE devices and M-MIMO devices are provided. In embodiments, a transmission zone for M-MIMO communications is defined within a legacy, non M-MIMO radio frame. The location of the M-MIMO transmission zone is transmitted to user devices. For example, an identification of the location of the M-MIMO transmission zone is transmitted in a system information message. In a further example, the location of the M-MIMO transmission zone is transmitted in the downlink control information. The location of the M-MIMO transmission zone may be defined dynamically based on a variety of criteria. In addition or alternatively, a set of pre-defined transmission zones may be utilized. | 06-11-2015 |
20150163073 | MASSIVE MIMO CHANNEL ESTIMATION - In an embodiment, a method of channel estimation is provided. The method includes determining a parametric model for a channel between a first transceiver and a second transceiver and transmitting a pilot signal to the second transceiver. The receiving transceiver is configured to determine a parameter of the parametric model based at least on the pilot signal and to estimate a channel transfer function coefficient for the channel based on the parameter and the parametric model. | 06-11-2015 |
20150351154 | Small Cell Base Station DTX Mode - The present disclosure is directed to a system and method for transitioning small cell base stations out of a discontinuous transmission (DTX) mode. The system and method comprise monitoring at the small cell base stations uplink transmissions from user terminals (UTs) to a macrocell base station while the small cell base stations are in the DTX mode. The small cell base stations can use the monitored uplink transmissions to, for example, measure received power levels from the UTs and/or measure uplink path losses between the small cell base stations and the UTs. The small cell base stations can report these measured values back to the macrocell base station through a backhaul network. Based on these measurements, the macrocell base station can determine which small cell base stations can support which UTs without transitioning the small cell base stations out of the DTX mode. | 12-03-2015 |
20150365938 | Adaptive Cross-Radio Access Technology (RAT) Channel Assignment - Systems and methods for channel assignment configuration in a multiple access point (AP) environment are provided. The multiple APs can be homogeneous or heterogeneous and can implement one or more radio access technologies (RATs), including Massive Multiple Input Multiple Output (M-MIMO) RATs. A channel assignment configuration for a user equipment (UE) can identify one or more communication channels to be established to serve the UE by one or more of the APs. | 12-17-2015 |