Patent application number | Description | Published |
20110013599 | Threshold-less mobile-driven handoff method for cellular systems using unlicensed spectrum - In wireless networks where multiple base stations are deployed, handsets may handoff from one base station to the other while in a voice call. In this disclosure a layer-2 hand-off mechanism for cellular systems designed to operate in unlicensed spectrum is described. More specifically a proposed method that does not use any pre-determined thresholds to initiate the hand-offs is disclosed. | 01-20-2011 |
20130102341 | COGNITIVE TRANSMISSION CONTROL SYSTEM - A cognitive radio transmission control system that controls the physical layer protocol based on algorithm feedback from receivers is disclosed. | 04-25-2013 |
20140126554 | METHOD TO ENABLE RAPID SCANNING BY COGNITIVE RADIOS - A cognitive radio scanning method is disclosed that enables cognitive radios to rapidly scan for neighboring channels by staggering the position of beacons across the frame relative to other channels and intelligently allocate the bandwidth across super frames such that a device has the ability to switch and scan multiple beacons both within and across multiple super frames. | 05-08-2014 |
20140161061 | HYBRID ARQ SYSTEM USING A SLIDING PURGE WINDOW FOR WIRELESS NETWORKS - An IP packet transmission system is disclosed and more specifically it is a system using a hybrid ARQ method that includes a sliding purge window to reduce packet losses and improve TCP throughput thus ensuring data integrity, improving reliability, and to some extent guaranteeing in-order delivery of packets at the receiver. | 06-12-2014 |
20140177445 | HYBRID ARQ SYSTEM WITH A SNAPSHOT FEEDBACK MECHANISM FOR INTERFERENCE PRONE WIRELESS NETWORKS - An IP packet transmission system is disclosed and more specifically it is a system using a hybrid ARQ method including a sliding purge window and having the transmitter opportunistically piggy-back a snapshot of the transmitter's transmit/send window in data frames. When the receiver receives this snapshot the receiver can compare it with its receive window and if a mismatch is detected, whereby the transmitter has moved on to the next packet, the receiver can now also sync up quicker and not wait for the regular timeout to progress ahead. | 06-26-2014 |
Patent application number | Description | Published |
20150206141 | MULTI-LAYER TRANSACTION TRACKING - Embodiments for tracking multi-layer secured transactions include systems for providing a first transaction channel to a user and sending pre-authorization code to the user via the first transaction channel. The systems terminate the first transaction channel and provide a second transaction channel to the user and receive transaction data from the user comprising the pre-authorization code via the second transaction channel. The systems further identify one or more verifiers associated with the user for one or more transactions based on the transaction data, send a post verification notification to the one or more verifiers, and receive a post verification confirmation from at least one of the one or more verifiers in response to the post verification notification. | 07-23-2015 |
20150206142 | BATCH PROCESSING IN A MULTI-LAYER TRANSACTION TRACKING SYSTEM - Embodiments for reviewing and processing transactions are provided. In an embodiment, the system is configured to receive a request for a pre-authorization code from a user; determine the pre-authorization code in response to the request; send the pre-authorization code to a user; receive transaction data from the user, the transaction data comprising a plurality of transactions and at least one pre-authorization code; evaluate each transaction in the transaction data to determine whether a pre-authorization code is necessary based on a characteristic of each transaction; match the received pre-authorization code and the sent pre-authorization code for the transactions for which a pre-authorization code is necessary; and batch process the transaction data when the received pre-authorization code and the sent pre-authorization code matches for all of the transactions for which the pre-authorization code is necessary. | 07-23-2015 |
20150206143 | LINE ITEM PROCESSING IN A MULTI-LAYER TRANSACTION TRACKING SYSTEM - Embodiments for reviewing and processing transactions include are provided. In an embodiment, the system is configured to receive a request for a pre-authorization code from a user; determine the pre-authorization code in response to receiving the pre-authorization request; send the pre-authorization code to a user via a first channel; receive a transaction and optionally a pre-authorization code from the user via a second channel, the second channel being different from the first channel; evaluate the transaction to determine whether a pre-authorization code is necessary based on a characteristic of the transaction; match the received pre-authorization code and the sent pre-authorization code for the transaction when the pre-authorization code is necessary; and line item process the transaction when the received pre-authorization code and the sent pre-authorization code matches for the transaction when the pre-authorization code is necessary. | 07-23-2015 |
20150206144 | MULTI-LAYER TRANSACTION TRACKING - Embodiments for tracking multi-layer secured transactions include systems for receiving request for pre-authorization from a user and sending pre-authorization code to the user in response to the request. The systems for receive transaction data from the user that includes the pre-authorization code and match the received pre-authorization code and the sent pre-authorization code. The systems further send a post-verification code to the user and receive post-verification confirmation from the user. | 07-23-2015 |
20150206149 | MULTI-LAYER TRANSACTION TRACKING AND ENCRYPTION - Embodiments for tracking multi-layer secured transactions include systems for providing a dedicated secure transaction channel to a user and sending pre-authorization code to the user via the transaction channel. The systems allow the user to encrypt transaction data and receive the encrypted transaction data from the user via the transaction channel. The systems further unlock the encrypted data and match the sent pre-authorization code to the received pre-authorization code. The systems send a post verification notification to the user comprising the one or more transactions via the transaction channel and receive a post verification confirmation from user in response to the post verification notification. | 07-23-2015 |
20150302210 | SECURE DATA ACCESS - Embodiments for preventing data loss and allowing selective access data include systems and methods that determine that a file has been created or received; determine a fingerprint of the file, wherein the fingerprint is a record of the file for comparison to the file at a later time; determine at least one permitted use related to the file, wherein the permitted uses comprises a permitted user and a permitted action; determine that the file is being accessed by a user; determine whether the user is a permitted user of the file based on an identity of the user; compare the file to the associated fingerprint of the file when the user is a permitted user; determine the action being taken by the user when the file matches the associated fingerprint; and permit the action to occur when the action is a permitted action of the file. | 10-22-2015 |
20150302216 | SECURE ENDPOINT FILE EXPORT IN A BUSINESS ENVIRONMENT - Embodiments for preventing data loss in a business environment are provided. In some embodiments, a secure endpoint file export application assigns users to different classes having different permissions for accessing and writing data. In an embodiment, the system and method are configured to identify a plurality of users in a business environment; classify the plurality of users according to business needs; assign the users to one of at least two classes based on the classification; determine that the first user is permitted to access the data; transmit the secure file to a second user who is permitted to write the data in the secure file to removable media; write the data in the secure file to the removable media; and track a location of the removable media. | 10-22-2015 |
20150302220 | SECURE DATA CONTAINERS - Embodiments for providing secure data containers and allowing selective access to files stored in the containers include systems and methods that receive a request to create a container, wherein the container is a file system comprising access parameters that define one or more permitted actions and one or more permitted users for the container; determine duration parameters for the container, wherein the duration parameter comprise a time duration during which the container may be accessed; determine a fingerprint of the container, the fingerprint being a record of the container for comparison to the container at a later time; generate the container with the access parameters, duration parameters, and fingerprint; monitor the container for compliance with the access parameters, duration parameters, and fingerprint; and apply a consequence when the container is not in compliance with the access parameters, duration parameters, or fingerprint. | 10-22-2015 |
20150302221 | SECURE ACCESS TO PROGRAMMING DATA - Embodiments for preventing data loss and allowing selective data access are provided. In some embodiments, the system and method are configured to receive task protocols and registration requests; determine an allowed list based on the protocols or requests, the list comprising registered data and codes needed to execute a task; allow a user to establish a connection to a device to execute the task on the device; identify data being transferred to and from the device; compare the data being transferred and the allowable list; and determine that at least some of the data being transferred is allowable. | 10-22-2015 |
Patent application number | Description | Published |
20090260819 | COMPOSITIONS AND METHODS FOR DIVERTING INJECTED FLUIDS TO ACHIEVE IMPROVED HYDROCARBON FLUID RECOVERY - The present disclosure is directed to compositions and methods that may be used for enhanced oil recovery, for modifying the permeability of subterranean formations and for increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations. The compositions may include, for example, expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 5,000 microns and a cross linking agent content of from about 100 to about 200,000 ppm of hydrolytically labile silyl ester or silyl ether crosslinkers and from 0 to about 300 ppm of non-labile crosslinkers. | 10-22-2009 |
20090260820 | BLOCK COPOLYMERS FOR RECOVERING HYDROCARBON FLUIDS FROM A SUBTERRANEAN RESERVOIR - The present disclosure is directed to compositions and methods that may be used for enhanced oil recovery, for modifying the permeability of subterranean formations and for increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations. The compositions may include, for example, expandable cross-linked polymeric microparticles having unexpanded volume average particle size diameters of from about 0.05 to about 5,000 microns and cross linking agent contents of from about 100 to about 200,000 ppm of labile cross linkers and from 0 to about 300 ppm of non-labile cross linkers, wherein the expandable polymeric monomers have a block copolymer structure comprising at least two different monomers having different chemical structures. | 10-22-2009 |
20090312512 | HIGH MOLECULAR WEIGHT COMPACT STRUCTURED POLYMERS, METHODS OF MAKING AND USING - A structured water soluble polymer produced by polymerization of amine-containing monomers or pre-formed polymers is described. Various structured polymers are prepared and characterized. The structured polymers are particularly valued in the papermaking industry. | 12-17-2009 |
20100204361 | NOVEL MULTIFUNCTIONAL AZO INITIATORS FOR FREE RADICAL POLYMERIZATIONS: METHODS OF PREPARATION - The invention provides compositions of matter, methods of their synthesis, and methods of their use in polymerization reactions. The compositions include polyfunctional initiators used to make star polymers when polymerized with monomers. The polyfunctional initiators are synthesized out of a multifunctional core with at least two functional groups and two or more initiator units bonded to the functional groups. The initiator units have two electron-withdrawing groups bonded to a central carbon atom and an azo group between the central carbon atom and the functional group. The polyfunctional initiators are particularly effective because when they decompose to form the radical core of a star polymer, the electron-withdrawing groups prevent the corresponding radical from forming any linear polymer contamination and only desired star polymers result. | 08-12-2010 |
20100204362 | NOVEL MULTIFUNCTIONAL AZO INITIATORS FOR FREE RADICAL POLYMERIZATIONS: USES THEREOF - The invention provides compositions of matter, methods of their synthesis, and methods of their use in polymerization reactions. The compositions include polyfunctional initiators used to make star polymers when polymerized with monomers. The polyfunctional initiators are synthesized out of a multifunctional core with at least two functional groups and two or more initiator units bonded to the functional groups. The initiator units have two electron-withdrawing groups bonded to a central carbon atom and an azo group between the central carbon atom and the functional group. The polyfunctional initiators are particularly effective because when they decompose to form the radical core of a star polymer, the electron-withdrawing groups prevent the corresponding radical from forming any linear polymer contamination and only desired star polymers result. In addition when the desired star polymers are fed into a reaction vessel by streams with two different concentrations the star polymers produce superior properties. | 08-12-2010 |
20120123072 | NOVEL MULTIFUNCTIONAL AZO INITIATORS FOR FREE RADICAL POLYMERIZATIONS: METHODS OF PREPARATION - The invention provides compositions of matter, methods of their synthesis, and methods of their use in polymerization reactions. The compositions include polyfunctional initiators used to make star polymers when polymerized with monomers. The polyfunctional initiators are synthesized out of a multifunctional core with at least two functional groups and two or more initiator units bonded to the functional groups. The initiator units have two electron-withdrawing groups bonded to a central carbon atom and an azo group between the central carbon atom and the functional group. The polyfunctional initiators are particularly effective because when they decompose to form the radical core of a star polymer, the electron-withdrawing groups prevent the corresponding radical from forming any linear polymer contamination and only desired star polymers result. | 05-17-2012 |
20150068748 | COMPOSITIONS AND METHODS FOR DIVERTING INJECTED FLUIDS TO ACHIEVE IMPROVED HYDROCARBON FLUID RECOVERY - The present disclosure is directed to compositions and methods that may be used for enhanced oil recovery, for modifying the permeability of subterranean formations and for increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations. The compositions may include, for example, expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 5,000 microns and a cross linking agent content of from about 100 to about 200,000 ppm of hydrolytically labile silyl ester or silyl ether crosslinkers and from 0 to about 300 ppm of non-labile crosslinkers. | 03-12-2015 |
Patent application number | Description | Published |
20150057522 | Methods, Systems, and Apparatus for Identification and Characterization of Rotors Associated With Atrial Fibrillation - In some embodiments, a system includes a near-field instrument to be placed inside a chamber of a heart, a far-field instrument to be placed in a stable position in relation to the heart (e.g., the coronary sinus), and a control unit. The control unit is configured to receive position coordinates of the near-field instrument and electrogram information from the far-field instrument. The control unit is configured to identify a unique pattern in the electrogram information from the far-field instrument. When the unique pattern is detected, the control unit is configured to receive electrogram information from the near-field instrument and store the associated near-field instrument position information with the unique pattern information and near-field instrument electrogram information. Upon moving the near-field instrument within the heart chamber, the control unit is configured to identify the unique pattern in the electrogram information from the far-field instrument again. Upon detecting the unique pattern, the control unit is configured to receive electrogram information from the near-field instrument at the new position and store the associated new near-field instrument position information with the unique pattern information and near-field instrument electrogram information. While recording electrogram information from the near-field instrument, the control unit is also configured to record voltage and complex fractionated atrial electrogram (CFAE) characteristics of the tissue inside a heart chamber. This information combined with rotor information can be used to identify substrate versus non-substrate rotor characteristics. | 02-26-2015 |
20150282727 | METHODS, SYSTEMS, AND APPARATUS FOR IDENTIFICATION AND CHARACTERIZATION OF ROTORS ASSOCIATED WITH ATRIAL FIBRILLATION - A system can include a near-field instrument to be placed inside a chamber of a heart, a far-field instrument to be placed in a stable position in relation to the heart, and a control unit. The control unit is configured to identify a unique pattern in electrogram information received from the far-field instrument when the near-field instrument is in one or more positions within the heart. When the unique pattern is detected, the control unit is configured to receive electrogram information from the near-field instrument. While recording electrogram information from the near-field instrument, the control unit is also configured to record voltage and complex fractionated atrial electrogram (CFAE) characteristics of the tissue inside a heart chamber. This information combined with rotor information can be used to identify substrate versus non-substrate rotor characteristics. | 10-08-2015 |
20150313491 | METHODS, SYSTEMS, AND APPARATUS FOR IDENTIFICATION, CHARACTERIZATION, AND TREATMENT OF ROTORS ASSOCIATED WITH FIBRILLATION - Some embodiments described herein relate to a method that includes defining an electro-anatomical model of a heart. The electro-anatomical model can include conduction patterns for multiple patterns or phases identified by a measurement instrument. The electro-anatomical model can also include a voltage map of the heart. A portion of the heart containing a rotor can be identified based on circulation in one phase of the model. The rotor can be determined to be stable based on that portion of the heart having circulation in another phase of the model. The rotor can be characterized as a substrate rotor based on the rotor being stable and based on the voltage or a change in voltage at the portion of the heart containing the rotor. The rotor can be treated or ablated when the rotor is determined to be a substrate rotor. | 11-05-2015 |