Mohammad A.
Mohammad A. Alahmad, Kuala Lumpur MY
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20150215114 | METHOD FOR GENERATING A SECURE CRYPTOGRAPHIC HASH FUNCTION - A method for generating a secure cryptographic hash function supporting 256-512 bit digests is provided. A compression function based on a block cipher in the Davies-Meyer mode is used. A hash function is developed from this compression function using an iterative compression function with the Merkle-Damgård construction, finally resulting in a wide pipe construction in which the intermediate chaining value is at least twice the length of the output hash. | 07-30-2015 |
Mohammad A. Al-Drees, Manama BH
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20130029330 | MUTANT LDL RECEPTOR GENE - There is disclosed a method of identifying individuals susceptible to familial hypercholesterolemia and which method comprises identifying in a sample from said individual at least one polymorphism at position 1706-2 of the coding region (41902 of the genomic DNA) in the low density lipoprotein receptor gene, and wherein the presence of at least one said polymorphism is indicative of said individual being of a higher susceptibility to familial hypercholesterolemia. | 01-31-2013 |
Mohammad A. Al-Fawzan, Riyadh SA
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20120330709 | PROJECT MANAGEMENT SYSTEMS AND METHODS THEREOF - Project management systems and methods to streamline project planning, task management, time management, and other similar applications. The method includes filing a request to start a project on a project management system. The method further includes receiving notice that role handlers have been assigned to a plurality of tasks required to complete the project. The method further includes performing at least one task of the plurality of tasks. The method further includes receiving notice that the at least one task has been reviewed by at least one of the assigned role handlers. | 12-27-2012 |
20130054283 | METHODS AND SYSTEMS FOR SOLVING UNCAPACITATED FACILITY LOCATION PROBLEM - Methods and systems for solving uncapacitated facility location problem are provided. A method includes establishing a maximum net benefit (MNB) of cost for closing one of one or more established facilities at one or more sites, and closing an established facility of the one or more established facilities that results in the MNB of cost for closing. The method further includes establishing a MNB of cost for opening one of one or more unestablished facilities at the one or more sites, and opening an unestablished facility of the one or more unestablished facilities that results in the MNB of cost for opening. | 02-28-2013 |
20130103448 | PROJECT MANAGEMENT SYSTEMS AND METHODS THEREOF - Project management systems and methods to streamline project planning, task management, time management, and other similar applications. The method includes filing a request to start a project on a project management system. The method further includes receiving notice that role handlers have been assigned to a plurality of tasks required to complete the project. The method further includes performing at least one task of the plurality of tasks. The method further includes receiving notice that the at least one task has been reviewed by at least one of the assigned role handlers. | 04-25-2013 |
Mohammad A. Aljabari, Brooklyn Park, MN US
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20090144014 | SYSTEM FOR DETERMINING AMBIENT TEMPERATURE - A mechanism for indicating ambient temperature of an enclosure from temperatures determined within the enclosure. The temperatures may be obtained from two or more sensors at each of two or more locations within the enclosure. The enclosure may include an apparatus inside such as electronics of which power consumption may be determined. Data including temperatures of two locations within the enclosure at various electronics power consumption levels may be entered into a 2-D plot. An approximation of the 2-D plot may be effected with an appropriate equation to be solved for ambient temperature. The data of the dimensional 2-D plot plus temperatures of a third location and air flow levels in the enclosure may be entered into a 3-D plot. An approximation of the 3-D plot may be effected with an appropriate equation to be solved for ambient temperature. | 06-04-2009 |
20120181011 | SYSTEM FOR DETERMINING AMBIENT TEMPERATURE - A mechanism for indicating ambient temperature of an enclosure from temperatures determined within the enclosure. The temperatures may be obtained from two or more sensors at each of two or more locations within the enclosure. The enclosure may include an apparatus inside such as electronics of which power consumption may be determined. Data including temperatures of two locations within the enclosure at various electronics power consumption levels may be entered into a 2-D plot. An approximation of the 2-D plot may be effected with an appropriate equation to be solved for ambient temperature. The data of the 2-D plot plus temperatures of a third location and air flow levels in the enclosure may be entered into a 3-D plot. An approximation of the 3-D plot may be effected with an appropriate equation to be solved for ambient temperature. | 07-19-2012 |
20120185202 | SYSTEM FOR DETERMINING AMBIENT TEMPERATURE - A mechanism for indicating ambient temperature of an enclosure from temperatures determined within the enclosure. The temperatures may be obtained from two or more sensors at each of two or more locations within the enclosure. The enclosure may include an apparatus inside such as electronics of which power consumption may be determined. Data including temperatures of two locations within the enclosure at various electronics power consumption levels may be entered into a 2-D plot. An approximation of the 2-D plot may be effected with an appropriate equation to be solved for ambient temperature. The data of the 2-D plot plus temperatures of a third location and air flow levels in the enclosure may be entered into a 3-D plot. An approximation of the 3-D plot may be effected with an appropriate equation to be solved for ambient temperature. | 07-19-2012 |
20150129577 | SYSTEM FOR DETERMINING AMBIENT TEMPERATURE - A mechanism for indicating ambient temperature of an enclosure from temperatures determined within the enclosure. The temperatures may be obtained from two or more sensors at each of two or more locations within the enclosure. The enclosure may include an apparatus inside such as electronics of which power consumption may be determined. Data including temperatures of two locations within the enclosure at various electronics power consumption levels may be entered into a 2-D plot. An approximation of the 2-D plot may be effected with an appropriate equation to be solved for ambient temperature. The data of the 2-D plot plus temperatures of a third location and air flow levels in the enclosure may be entered into a 3-D plot. An approximation of the 3-D plot may be effected with an appropriate equation to be solved for ambient temperature. | 05-14-2015 |
20150129578 | SYSTEM FOR DETERMINING AMBIENT TEMPERATURE - A mechanism for indicating ambient temperature of an enclosure from temperatures determined within the enclosure. The temperatures may be obtained from two or more sensors at each of two or more locations within the enclosure. The enclosure may include an apparatus inside such as electronics of which power consumption may be determined. Data including temperatures of two locations within the enclosure at various electronics power consumption levels may be entered into a 2-D plot. An approximation of the 2-D plot may be effected with an appropriate equation to be solved for ambient temperature. The data of the 2-D plot plus temperatures of a third location and air flow levels in the enclosure may be entered into a 3-D plot. An approximation of the 3-D plot may be effected with an appropriate equation to be solved for ambient temperature. | 05-14-2015 |
Mohammad A. Alselimi, North Tonawanda, NY US
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20150248836 | TRAFFIC MANAGEMENT SERVER AND A TRAFFIC RECORDING APPARATUS - A traffic management server that decreases traffic accidents and enhances post traffic accident resolution that includes a receiver that receives (i) first information that includes: first video data recorded by a first camera on the first vehicle, first vehicle condition information of the first vehicle, first driver information of the first vehicle and first GPS information indicating a position of the first vehicle, (ii) second information, that includes: second video data, second vehicle condition information of the second vehicle, second driver information of the second vehicle and second GPS information indicating a position of the second vehicle, (iii) third information that includes third video data recorded by a surveillance camera in an area, (iv) fourth information that includes a chronological color change record of a traffic light in the area, and (v) fifth information that includes traffic sign information of the area. | 09-03-2015 |
Mohammad A. Alzemi, Mubarak Alkabeer KW
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20120302113 | Marine Propulsion Assembly - A marine propulsion assembly comprises or consists of a marine engine, a pair of parallel laterally spaced propeller shafts and a pair of marine propellers with one of the propeller fixed to each of the shafts for rotation. Each of the propellers includes a hub and four equally spaced blades and wherein the hub has a forward portion having the shape of a frustum of a cone with a decreasing radius from a forward edge thereof to the middle of the hub and a rear or second continuous portion having the shape of a frustum of a cone with an increasing radius from the middle of the hub to the rear of the hub. The bases or larger ends of the frustums are of equal size as are the tops of the frustums. In addition, each of the blades has a complex concave shape wherein an arcuate leading edge curves outwardly and upwardly at a reduced radius from a shallow forward portion to an outwardly extending rear portions and with a relatively straight trailing edge that is generally perpendicular to the axis of rotation and wherein the leading edge of one of the propellers face the leading edge of the other of said propellers as they rotate inwardly and in which they are spaced apart by about ½ or less of the trailing edge of one of the blades. | 11-29-2012 |
Mohammad A. Arbabian, San Francisco, CA US
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20150250388 | Remote sensing, imaging, or screening of embedded or concealed objects - A method of detection of substances embedded in a human host is provided that includes emitting from a coherent beamforming electromagnetic excitation source a spatially scanning, temporally pulsed, electromagnetic excitation signal toward a human host separated by air from the electromagnetic excitation source, where the excitation signal produces an acoustic signal by a substance, detecting the acoustic signal by a CMUT coherent phased array separated by air from the human host, analyzing the detected acoustic signal by a signal processor, and outputting by the processor substance response information according to a scanning position and according to a temporal pulse width of the electromagnetic excitation signal. | 09-10-2015 |
Mohammad A. El-Kalay, Carlsbad, CA US
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20120009166 | Isolated monocyte populations and related therapeutic applications - The invention provides methods of using isolated monocyte populations to treat subjects suffering from various ocular vascular disease or ocular degenerative disorders. The present invention also provides novel methods for isolating substantially pure monocyte populations. The methods involve extracting a blood sample or a bone marrow sample from a subject, debulking red blood cells from the sample, and then separating remaining red blood cells and other cell types in the sample from monocytes. Instead of using any selection or labeling agents, the red blood cells and other cell types are separated from monocytes based on their size, granularity or density. The isolated monocytes can be further activated in vitro or ex vivo prior to being administered to a subject. Isolated cell populations containing substantially pure CD14 | 01-12-2012 |
Mohammad A. Enayetullah, Sharon, MA US
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20130224629 | INTEGRATED SEALING FOR FUEL CELL STACK MANUFACTURING - A seal and corresponding method of manufacture of stacks enabled by the physical properties of the seal are provided. In the instance of a fuel cell or other electrochemical stack, the seal provides low-cost manufacturing and reliable/durable operation in high temperature (e.g., 120° C. to 250° C.) and acidic environments. The seal provides an elastomeric material characteristic providing resiliency and flexibility, and a protective characteristic that protects the seal from the high temperature acidic environment, such as found in high temperature PEM fuel cells. The seal is affixed to a plate of a fuel cell stack assembly prior to assembly of the stack, such that there is no requirement to apply an adhesive seal, gasket, free flow to solid sealing material, or the like, to each plate during assembly of the fuel cell stack, or during a disassembly and re-assembly process. | 08-29-2013 |
Mohammad A. Jamnia, Chicago, IL US
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20110140815 | Integrated, Lighted Ultrasonic Inserts - Embodiments of a magnetostrictive device, a dental lighting system, a method of illuminating a lighting apparatus and a lighting apparatus are disclosed. The embodiments may include a lighting apparatus with a light source, an electrical power storage device and a switch. When the switch detects a magnetic field, the switch may complete an electrical connection between the electrical power storage device and the switch, thus illuminating the light source. The magnetic field may be magnetostrictively or non-magnetostrictively generated, and maybe be produced by a receptacle, a hand-piece or the lighting apparatus itself. A user may switch the light source on and off. In a magnetostrictive device, the light may be illuminated even when a tip is not activated, and the electrical power storage device may be inductively re-charged. The lighting apparatus may be included in an insert of a magnetostrictive device, such as a magnetostrictive ultrasonic hand-held dental device. | 06-16-2011 |
20110143304 | Adaptor for Lighted Dental Device - Embodiments of an adaptor for a lighted magnetostrictive device, a lighting system for a hand-held dental delivery device including an adaptor, and a method of providing light at a magnetostrictive hand-held device using an adaptor are disclosed. The adaptor may securely connect to a hand-piece of the device, and may include a self-contained electric power storage device to power a light source, an adaptor light channel for delivering light from a light source to the insert, or both. The light source may be disposed within the hand-piece, the adaptor or the insert. A user may switch the light source on and off, and/or may dim or brighten an intensity of the light. The light source may provide illumination even when a tip of the device is not activated, and the electric power storage device may be inductively re-charged. | 06-16-2011 |
20130045456 | TIP-BASED COMPUTER CONTROLLED SYSTEM FOR A HAND-HELD DENTAL DELIVERY DEVICE - A tip-based computer controlled system for a dental delivery device is disclosed. The system automatically controls an operating characteristic such as power control or fluid flow based on tip identification and history. The operating characteristic may also be controlled in response to particular conditions throughout the dental procedure, such as (but not limited to) temperature, dental hygiene material, fluid type, etc. The system may provide an alert or shut off if unsafe conditions occur and/or error circumstances are detected. An operator interface is provided to configure the system and augment/override an executing control algorithm during a procedure. A method and a computer-readable storage medium are also disclosed. | 02-21-2013 |
Mohammad A. Jamnia, Pleasant Prairie, WI US
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20110223559 | DENTAL HANDPIECE SYSTEM WITH REPLACEABLE TREATMENT TIPS - A dental hand piece with replaceable tips at either end of a tubular handle, each of the replaceable tips including a tip assembly having an instrument working tip end at a distal end of a main tip body and a shank extending from the instrument working tip end to a proximal end of the main tip body. The tip assembly may be provided with a flat-blade extension end at the proximal end of the main tip body. The flat-blade extension end passes through a keyway-shaped slot provided in a locking component, and engages locking structure provided on a cylindrical barrel member. Replaceable tips at the ends of the tubular handle may be secured in 180° orientation to one another. A spring arm member may additionally or alternatively engage notches along an interior wall of the cylindrical barrel member. | 09-15-2011 |
20150230880 | MOTION-ASSISTED DENTAL TREATMENT METHOD AND APPARATUS - Motion-assisted dental treatment method and apparatus. Manual back-and-forth manipulation of a handpiece with respect to a working surface automatically reciprocates a tip with respect to the handpiece in phase with the operator manipulation to amplify the movement of the tip adjacent the working surface and thereby attenuate the extent of hand motion required, which can help to alleviate repetitive motion fatigue. Also disclosed are motion-assisted dental treatment tools and systems for implementing the method. | 08-20-2015 |
Mohammad A. Khajehnejad, Pasadena, CA US
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20120027117 | LINK LAYER MULTICASTING SYSTEMS AND METHODS - Beamforming systems and methods are disclosed. In accordance with one method, indications of channel matrices for a plurality of receivers are obtained. Further, a beamformer matrix is formulated as a linear combination of columns of hermitians of the channel matrices. In addition, coefficients of the hermitians in the linear combination are determined to compute the beamformer matrix such that a lowest reception rate among reception rates of each of the receivers is maximized. Data signals are transmitted to the receivers by applying the computed beamformer matrix to data symbols to maximize the lowest reception rate. | 02-02-2012 |
20120069924 | LINEAR PRECODING IN MIMO BROADCAST CHANNEL WITH ARBITRARY RANK CONSTRAINTS - Methods and systems for transmission are shown that include iteratively generating an optimized precoder matrix and optimized linear filters for multiple receivers, where the optimized precoder matrix is based on a linear filter from a previous iteration and the optimized linear filters the multiple receivers are based on a precoder matrix from a previous iteration, precoding an input stream using the iteratively generated optimized precoder matrix to produce transmission streams for the multiple receivers, where at least one receiver has a plurality of associated transmission streams, and transmitting the transmission streams with multiple antennas to the receivers. | 03-22-2012 |
20120249353 | SYSTEMS AND METHODS FOR ACQUIRING AND DECODING SIGNALS USING COMPRESSED SENSING - Systems and methods in accordance with embodiments of the invention utilize a CS architecture based on a sub-linear time recovery process (with reduced memory requirements). In several embodiments, a novel structured measurement matrix is exploited during signal acquisition allowing the use of a recovery process based on relatively simple computational primitives making it more amenable to implementation in a fully-integrated form. One embodiment of the invention includes an analog front end configured to receive an analog input signal, and CS sampling circuitry connected to an output of the analog front end and configured to generate a plurality of measurements using a structured measurement matrix, where each row of the structured measurement matrix is generated using a different predetermined check node. In addition, the CS sampling circuitry is configured to generate the plurality of measurements at a rate that is less than the Nyquist rate of the analog input signal. | 10-04-2012 |
Mohammad A. Khan, San Jose, CA US
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20090108064 | Collaborative negotiation techniques for mobile personal trusted device financial transactions - Techniques for negotiation techniques for mobile personal trusted device financial transactions are provided. A user of a mobile personal trusted device sets user preferences that define the user's preferred parameters for conducting financial transactions. A merchant sets merchant preferences that define the merchant's preferred parameters for conducting financial transactions. When a financial transaction is initiated, a user preference and a merchant preferences are accessed. A negotiated preference is generated that accommodates both the user preference and the merchant preference. If the user preference and the merchant preference are not mutually exclusive, the negotiated preference attempts to satisfy both preferences. If the user preference and the merchant preference are mutually exclusive, the negotiated preference satisfies at least one of the two preferences based on which of the two preferences has a higher priority. The financial transaction is conducted based on the negotiated preference. | 04-30-2009 |
20130015241 | COLLABORATIVE NEGOTIATION TECHNIQUES FOR MOBILE PERSONAL TRUSTED DEVICE FINANCIAL TRANSACTIONS - Techniques for negotiation techniques for mobile personal trusted device financial transactions are provided. A user of a mobile personal trusted device sets user preferences that define the user's preferred parameters for conducting financial transactions. A merchant sets merchant preferences that define the merchant's preferred parameters for conducting financial transactions. When a financial transaction is initiated, a user preference and a merchant preferences are accessed. A negotiated preference is generated that accommodates both the user preference and the merchant preference. If the user preference and the merchant preference are not mutually exclusive, the negotiated preference attempts to satisfy both preferences. If the user preference and the merchant preference are mutually exclusive, the negotiated preference satisfies at least one of the two preferences based on which of the two preferences has a higher priority. The financial transaction is conducted based on the negotiated preference. | 01-17-2013 |
Mohammad A. Khan, Sandy, UT US
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20110065798 | ANTI-INFECTIVE LUBRICANT FOR MEDICAL DEVICES AND METHODS FOR PREPARING THE SAME - A lubricious antiseptic coating material containing various solvents to achieve mutual miscibility and provide a generally homogenous product. A coating material is provided having an antipathogenic agent and a solvent for dissolving the same. The coating further includes a lubricious agent and a solvent for dissolving the same. Thus, the coating material contains antiseptic and lubricious properties suitable for application to a desired surface to kill or inhibit the growth of pathogens known to cause catheter related bloodstream infections. | 03-17-2011 |
20110150958 | CHLORHEXIDINE ACETATE ANTISEPTIC CLEANING AGENT - An antiseptic cleaning agent, generally, comprising chlorhexidine acetate and a solvent, such as an alcohol and/or water. The chlorhexidine acetate acts as a highly effective biocide. Additionally, the chlorhexidine acetate allows the cleaning agent to dry without leaving a tacky residue. Where the cleaning agent comprises one or more alcohols, the alcohols may comprise any suitable alcohols, including lower alcohols having from 1 to 6 carbon atoms, such as ethanol and isopropanol. Where the ratio of ethanol to isopropanol may be from between about 1:1000 to about 1000:1. In addition to chlorhexidine acetate, the cleaning agent optionally comprises another non-alcohol biocide, such as triclosan. The cleaning agent can be used in any suitable manner. For instance, the cleaning agent may be impregnated in an absorbent material, such as a towelette, swabstick, or gauze. Additionally, the absorbent material may comprise a positively charged or a non-ionic substance, such as polypropylene or polyester. | 06-23-2011 |
20150079144 | ANTI-INFECTIVE LUBRICANT FOR MEDICAL DEVICES AND METHODS FOR PREPARING THE SAME - A lubricious antiseptic coating material containing various solvents to achieve mutual miscibility and provide a generally homogenous product. A coating material is provided having an antipathogenic agent and a solvent for dissolving the same. The coating further includes a lubricious agent and a solvent for dissolving the same. Thus, the coating material contains antiseptic and lubricious properties suitable for application to a desired surface to kill or inhibit the growth of pathogens known to cause catheter related bloodstream infections. | 03-19-2015 |
Mohammad A. Khojastepour US
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20080273612 | Codebook Method for A Multiple Input Multiple Output Wireless System - A method for wireless encoding includes encoding wireless multiple input and multiple output signals in accordance with a codebook being one of a discrete codebook restricting elements of codebook entries to be within a predetermined finite set of complex numbers and a constant amplitude codebook including each entry in its codebook having equal column norm and equal row norm. In a preferred embodiment the digital codebook further includes restricting elements of a finite set in the discrete codebook to be in the form of k | 11-06-2008 |
Mohammad A. Khojastpour, North Brunswick, NJ US
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20110105058 | SUBBAND INDEXING METHODS AND SYSTEMS - Methods and systems for indexing subband selections are disclosed. The selected subbands can be represented as a binary sequence and the index can be determined by employing a choose function, where a choose function value for a particular selected bit position is defined by a selection occurrence count of the selected bit position that is chosen from a bit position count of the selected bit position. In particular, the index can be the summation of choose function values for each selected bit position. | 05-05-2011 |
Mohammad A. Mayyas, Arlington, TX US
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20100306993 | Method and Apparatus for Detethering Mesoscale, Microscale, and Nanoscale Components and Devices - A method and apparatus for fabricating one or more electronic devices from wafer, die or other holder including designing a plurality of electronic devices ( | 12-09-2010 |
Mohammad A. Rafiee, Troy, NY US
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20130184143 | Graphene-Reinforced Ceramic Composites and Uses Therefor - The disclosure provides novel graphene-reinforced ceramic composites and methods for making such composite materials. | 07-18-2013 |
Mohammad A. Rafiee, San Francisco, CA US
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20140378294 | Graphene-Reinforced Ceramic Composites and Uses Therefor - The disclosure provides novel graphene-reinforced ceramic composites and methods for making such composite materials. | 12-25-2014 |
Mohammad A. Sanamrad, Lidingo SE
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20110061041 | RELIABILITY AND AVAILABILITY MODELING OF A SOFTWARE APPLICATION - Reliability and availability modeling of a software application is provided. A reliability and availability model is generated in the form of a white-box model of a software application. An existing model of the software application's structure and behaviour is inspected and/or the software application is inspected. The accuracy of the reliability and availability model is determined and reliability and availability metrics for the software application are calculated. Additional input parameters relating to the software application's performance may be determined and the additional input parameters may be added to the reliability and availability model. | 03-10-2011 |
20140297848 | ENSURING THE QUALITY OF A SERVICE IN A DISTRIBUTED COMPUTING ENVIRONMENT - A method and system for determining a service provider to perform a service. An indication of willingness by each service provider of at least two service providers to perform the service in conformity with at least two quality of service requirements is received. Both an indication of previous performance of the service by each service provider and statistical data indicative of an extent to which the previous performance of the service by each service provider matches each quality of service requirement are received. A preferred service provider of the at least two service providers is ascertained, by analyzing the statistical data and concluding that the performance of the service by the preferred service provider is a closer match to the at least two quality of service requirements than is a match of the performance of the service by each other service provider to the at least two service requirements. | 10-02-2014 |
Mohammad A. Tassoudji, San Diego, CA US
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20110014959 | Antenna Array Isolation For A Multiple Channel Communication System - A multi-channel wireless communication device includes first and second antenna elements. The first antenna element, being of a first type, transmits and receives a first wireless communication signal over a first predetermined wireless channel. The second antenna element, being of a second type different than the first type, transmits and receives a second wireless communication signal over a second predetermined wireless channel, different from the first predetermined wireless channel. | 01-20-2011 |
20110018780 | Antenna Array For Multiple In Multiple Out (MIMO) Communication Systems - The present disclosure provides techniques for configuring multiple element antenna arrays for use in multiple input multiple output (MIMO) communications. The antenna arrays include a ground plane and antenna elements. The ground plane forms an electrically conductive surface having a ground potential. The antenna elements, located near the ground plane, transmit and receive a wireless communication signals over a predetermined wireless channel. | 01-27-2011 |
20110080325 | METHODS AND APPARATUS FOR BEAM STEERING USING STEERABLE BEAM ANTENNAS WITH SWITCHED PARASITIC ELEMENTS - An antenna is described. The antenna includes a planar circular structure. The antenna also includes a radiating element located at the center of the planar circular structure. The antenna further includes one or more parasitic elements located on a contour around the radiating element. The parasitic elements are aligned in parallel direction with the radiating element. The parasitic elements protrude from the planar circular structure. The antenna includes switches separating each of the one or more parasitic elements from ground. A switch in a first position creates a short between a parasitic element and ground. A switch in a second position creates an open circuit between the parasitic element and ground. | 04-07-2011 |
20130201060 | METHODS AND APPARATUS FOR BEAM STEERING USING STEERABLE BEAM ANTENNAS WITH SWITCHED PARASITIC ELEMENTS - An antenna is described. The antenna includes a planar circular structure. The antenna also includes a radiating element located at the center of the planar circular structure. The antenna further includes one or more parasitic elements located on a contour around the radiating element. The parasitic elements are aligned in parallel direction with the radiating element. The parasitic elements protrude from the planar circular structure. The antenna includes switches separating each of the one or more parasitic elements from ground. A switch in a first position creates a short between a parasitic element and ground. A switch in a second position creates an open circuit between the parasitic element and ground. | 08-08-2013 |
20140200045 | HIGH DATA RATE AIRCRAFT TO GROUND COMMUNICATION ANTENNA SYSTEM - A method for ground to air communication includes receiving a first pilot signal on a first wide beam from a first ground base station by a first antenna element covering a first range of azimuth angles from an aircraft. Data is received on a directed data beam from the first ground base station by the first antenna element. A second pilot signal is received on a second wide beam from a second ground base station by a second antenna element covering a second range of azimuth angles different than the first range of azimuth angles. A signal strength of the second pilot signal is compared with a signal strength of the first pilot signal. Data reception is switched from the first antenna element to the second antenna element if the signal strength of the second pilot signal is greater than the signal strength of the first pilot signal. | 07-17-2014 |
Mohammad A. Tassoudji, Cardiff, CA US
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20120200458 | GROUND STATION ANTENNA ARRAY FOR AIR TO GROUND COMMUNICATION SYSTEM - A ground station antenna array includes a first array of antenna elements. A second array of antenna elements are vertically aligned with the first array of antenna elements. The first array of antenna elements and the second array of antenna elements are coupled to the digital beam forming circuitry and each cover a same sector of azimuth; the first array of antenna elements only covering a first elevation; the second array of antenna elements only covering a second lower elevation. The digital beam forming circuitry directs a radiation pattern of the first array of antenna elements in a first range of elevation angles, and directs a radiation pattern of the second array of antenna elements in a second range of elevation angles. The second array of antenna elements has higher gain than the first array. A respective transceiver is coupled to respective antenna elements of the first and second arrays. | 08-09-2012 |
20120202418 | REAL-TIME CALIBRATION OF AN AIR TO GROUND COMMUNICATION SYSTEM - A method for real-time calibration of an air to ground two-way communication system. The method includes calibrating a ground base station antenna array according to forward link calibration coefficients received from an aircraft as part of a communication signaling protocol during operation of the air to ground two-way communication system. The method may also includes communicating between the ground base station antenna array and the aircraft over a narrow beam. | 08-09-2012 |
20120202430 | HIGH DATA RATE AIRCRAFT TO GROUND COMMUNICATION ANTENNA SYSTEM - A method for ground to air communication includes receiving a first pilot signal on a first wide beam from a first ground base station by a first antenna element covering a first range of azimuth angles from an aircraft. Data is received on a directed data beam from the first ground base station by the first antenna element. A second pilot signal is received on a second wide beam from a second ground base station by a second antenna element covering a second range of azimuth angles different than the first range of azimuth angles. A signal strength of the second pilot signal is compared with a signal strength of the first pilot signal. Data reception is switched from the first antenna element to the second antenna element if the signal strength of the second pilot signal is greater than the signal strength of the first pilot signal. | 08-09-2012 |