ETHERTRONICS, Inc. Patent applications |
Patent application number | Title | Published |
20160099501 | ANTENNA AND METHOD FOR STEERING ANTENNA BEAM DIRECTION FOR WIFI APPLICATIONS - An antenna comprising an IMD element and one or more parasitic and active tuning elements is disclosed. The IMD element, when used in combination with the active tuning and parasitic elements, allows antenna operation at multiple resonant frequencies. In addition, the direction of antenna radiation pattern may be arbitrarily rotated in accordance with the parasitic and active tuning elements. Unique antenna architectures for beam steering in Wi-Fi band applications is further described. | 04-07-2016 |
20160080005 | MULTI-MODE MULTI-BAND SELF-REALIGNING POWER AMPLIFIER - A power amplifier (PA) system is provided for multi-mode multi-band operations. The PA system includes one or more amplifying modules, each amplifying module including one or more banks, each bank comprising one or more transistors; and a plurality of matching modules, each matching module being configured to be adjusted to provide impedances corresponding to frequency bands and conditions. A controller dynamically controls an input terminal of each bank and adjusts the matching modules to provide a signal path to meet specifications on properties associated with signals during each time interval. | 03-17-2016 |
20160043467 | ANTENNA WITH MULTIPLE COUPLED REGIONS - A device includes a plurality of antennas, including one or more active antennas, the antennas being configured in one of a plurality of possible configurations to achieve operation in WAN, LTE, WiFi, or WiMax bands, or a combination thereof. In some embodiments, a passive antenna is utilized with lumped loading to fix the antenna tuning state. A primary and auxiliary radiator can be included in the device and configured for WAN/LTE bands, while additional antennas can be incorporated for WiFi and WiMax bands. Various antenna configurations incorporate the antenna having multiple coupled regions. | 02-11-2016 |
20160036127 | RECONFIGURABLE MULTI-MODE ACTIVE ANTENNA SYSTEM - A reconfigurable antenna system is described which combines active and passive components used to impedance match, alter the frequency response, and change the radiation pattern of an antenna. Re-use of components such as switches and tunable capacitors make the circuit topologies more space and cost effective, while reducing complexity of the control signaling required. Antenna structures with single and multiple feed and/or ground connections are described and active circuit topologies are shown for these configurations. A processor and algorithm can reside with the antenna circuitry, or the algorithm to control antenna optimization can be implemented in a processor in the host device. | 02-04-2016 |
20160020518 | SUPERIMPOSED MULTIMODE ANTENNA FOR ENHANCED SYSTEM FILTERING - The disclosure concerns a method of designing antennas to reduce the amount of rejection and complexity from the filter system. A superposition of a symmetrical frequency response from the antenna structure coupled with a non-symmetrical frequency response from a counterpoise structure generates increased rejection of out-of-band components. | 01-21-2016 |
20150340769 | SWITCH ASSEMBLY WITH INTEGRATED TUNING CAPABILITY - A multiport RF switch assembly with integrated impedance tuning capability is described that provides a single RFIC solution to switch between transmit and receive paths in a communication system. Dynamic tuning is integrated into each switch sub-assembly to provide the capability to impedance match antennas or other components connected to the multiport switch. The tuning function at the switch can be used to shape the antenna response to provide better filtering at the switch/RF front-end (RFFE) interface to allow for reduced filtering requirements in the RFFE. Memory is designed into the multiport switch assembly, allowing for a look-up table or other data to reside with the switch and tuning circuit. The resident memory will result in easier integration of the tunable switch assembly into communication systems. | 11-26-2015 |
20150311969 | MODAL ANTENNA BASED COMMUNICATION NETWORK AND METHODS FOR OPTIMIZATION THEREOF - A communication network is optimized using modal antenna techniques, wherein a plurality of communication nodes are synchronized with each other along with mobile and fixed wireless communication devices which comprise the user base. With one or more of the communication nodes and wireless communication devices including at least one respective modal antenna, the network is adapted for dynamic optimization of communication links amongst the wireless users. Node to user throughput, node to node throughput, as well as interference characteristics among the nodes and wireless users are each optimized as a network system to increase communication system network capacity and reliability. The multiple radiation patterns provided by the modal antennas provide a parametric for network-level synchronization to improve communication system performance. | 10-29-2015 |
20150311600 | CIRCULAR POLARIZED ISOLATED MAGNETIC DIPOLE ANTENNA - A circularly polarized isolated magnetic dipole (CP-IMD) antenna includes: a first isolated magnetic dipole (IMD) element; a second IMD element positioned adjacent to the first IMD element; a third IMD element positioned adjacent to the second IMD element and configured to oppose the first IMD element; a fourth IMD element disposed positioned adjacent to each of the first and third IMD elements and configured to oppose the second IMD element; and a feed network configured to supply signals to the first thru fourth IMD elements at a phase difference of ninety degrees in a clockwise or counterclockwise direction. | 10-29-2015 |
20150309152 | METHOD FOR FINDING SIGNAL DIRECTION USING MODAL ANTENNA - A method for obtaining the direction of a signal incoming to a communication device is provided using a modal antenna that has multiple modes corresponding to multiple radiation patterns with a single feed. | 10-29-2015 |
20150303892 | TUNABLE DUPLEXING CIRCUIT - A tunable duplexer circuit is described, wherein the frequency response as well as bandwidth and transmission loss characteristics can be dynamically altered, providing improved performance for transceiver front-end applications. The rate of roll-off of the frequency response can be adjusted to improve performance when used in duplexer applications. A method is described where the duplexer circuit characteristics are optimized in conjunction with a specific antenna frequency response to provide additional out-of-band rejection in a communication system. Dynamic optimization of both the duplexer circuit and an active antenna system is described to provide improved out-of-band rejection when implemented in RF front-end circuits of communication systems. Other features and embodiments are described in the following detailed descriptions. | 10-22-2015 |
20150207202 | MOUNTING FLANGE FOR INSTALLATION OF DISTRIBUTED ANTENNA SYSTEMS - The disclosure details a mounting flange for installation of a distributed antenna system (DAS) antenna module, the mounting flange including a base, an inner cylindrical wall, an outer grooved wall, and a plurality of through-holes extending through the base, the outer grooved wall or a combination thereof. The mounting flange may form part of a DAS antenna module kit as being a necessary component for installation of the DAS antenna module. | 07-23-2015 |
20150194725 | INTERNAL LC ANTENNA FOR WIRELESS COMMUNICATION DEVICE - An L-shape Corner (LC) Antenna uses an L shaped antenna on the corner of a circuit board of a wireless device. A low band element is positioned and designed to resonate along the long dimension of the adjacent ground plane while a high band element is positioned and designed to resonate along the short dimension of the adjacent ground plane. The single antenna element provides two separate radiating sections that allow for optimization of low and high band resonances that are often required to service the cellular and other wireless frequency bands. The two radiating sections of the antenna provide different polarizations for the two resonances that assist in de-coupling the two resonances from each other. | 07-09-2015 |
20150155623 | ANTENNA SYSTEM FOR INTERFERENCE SUPRESSION - An antenna system is capable of optimizing communication link quality with one or multiple transceivers while suppressing one or multiple interference sources. The antenna provides a low cost, physically small multi-element antenna system capable of being integrated into mobile devices and designed to form nulls in the radiation pattern to reduce interference from unwanted interferers. The antenna system operates in both line of sight and high multi-path environments by adjusting the radiation pattern and sampling the received signal strength to reduce signal levels from interferers while monitoring and optimizing receive signal strength from desired sources. | 06-04-2015 |
20150155621 | MULTI-BAND MIMO ANTENNA - A multi-band antenna system for MIMO applications is adapted to provide high isolation between antennas across a wide range of frequencies. Multiple Isolated Magnetic Dipole (IMD) antennas are co-located and connected with a feed network that can include switches that adjust phase length for transmission lines connecting the antennas. Filtering is integrated into the feed network to improve rejection of unwanted frequencies. Filtering can also be implemented on the antenna structure. Either one or multi-port antennas can be used. | 06-04-2015 |
20150130661 | GPS LOCATION SYSTEM USING MODAL ANTENNA - A modal antenna is implemented to provide a variable radiation pattern for improved global positioning system (GPS) signal reception. A multitude of antenna radiation patterns generated from a modal antenna provide the capability to optimally acquire GPS signals across a wide range of angles of arrival. Minimum radiation pattern roll-off is observed from the composite pattern generated from the multiple patterns. An algorithm is described that reduces the acquisition time for a location fix for cold and hot start conditions. | 05-14-2015 |
20150048991 | MULTI-FEED LOOP ANTENNA - A multi-feed antenna in provided, including multiple feed elements associated with multiple frequency regions, respectively, and a folded loop element for radiating energy. Each of the multiple feed elements is capacitively coupled to the folded loop element. | 02-19-2015 |
20150036726 | BEAM FORMING AND STEERING USING LTE DIVERSITY ANTENNA - An antenna system, which is coupled to one or more first transceivers for processing signals according to one or more protocols, respectively, and to a second transceiver for performing a function in conjunction with at least one of the one or more protocols, is provided. The antenna system includes a first antenna, a second antenna, a circuit coupled to the first and second antennas, and a controller configured to control the circuit for enabling beam forming and beam steering or for enabling the function in conjunction with the at least one of the one or more protocols. The circuit includes a phase shifting block configured to provide multiple phase shifts between a first radiation pattern associated with the first antenna and a second radiation pattern associated with the second antenna to generate multiple combined radiation patterns corresponding to the phase shifts, respectively, for the beam forming and beam steering purposes. | 02-05-2015 |
20140376534 | SYSTEM AND METHOD FOR OPTIMIZING SIGNAL QUALITY IN A WIFI NETWORK - A system and method are provided for a WiFi network including multiple access points, each access point including an antenna having a plurality of modes corresponding to a plurality of radiation patterns, respectively, or an antenna system including a plurality of antennas having a plurality of modes corresponding to a plurality of radiation patterns, respectively, and a processor implemented with an algorithm. The algorithm is a computer program having instructions for performing steps to optimize signal quality for multiple devices linked to the WiFi network. | 12-25-2014 |
20140327578 | METHOD AND SYSTEM FOR SWITCHED COMBINED DIVERSITY WITH A MODAL ANTENNA - A system and method for diversity implementation are provided, where diversity gains are obtained by using a hybrid of the switching technique and the combining technique in conjunction with the use of a modal antenna. The antenna system includes multiple antennas including at least one modal antenna that has multiple modes, and a processor for selecting one or more modes from the multiple modes associated with each of the at least one modal antenna, combining modes to form one or more combinations of modes, the modes in each of the one or more combinations including one of the one or more selected modes associated with each of the at least one modal antenna, and selecting one of the one or more combinations that optimizes correlation and/or a quality metric for diversity. | 11-06-2014 |
20140313099 | ANTENNA-LIKE MATCHING COMPONENT - An antenna-like matching component is provided, comprising one or more conductive portions formed on a substrate. Shapes and dimensions of the one or more conductive portions are determined to provide impedance matching for one or more antennas coupled to the matching component. | 10-23-2014 |
20140306859 | ACTIVE ANTENNA ADAPTED FOR IMPEDANCE MATCHING AND BAND SWITCHING USING A SHARED COMPONENT - An active antenna and associated circuit topology is adapted to provide active impedance matching and band switching of the antenna using a shared tunable component. Using a shared tunable component, such as a tunable capacitor or other tunable component, the antenna provides a low cost and effective active antenna solution. In certain embodiments, one or more passive components can be further utilized to design band switching of the antenna from a first frequency to a second desired frequency. | 10-16-2014 |
20140218245 | ANTENNA AND METHOD FOR STEERING ANTENNA BEAM DIRECTION - An antenna comprising an IMD element and one or more parasitic and active tuning elements is disclosed. The IMD element, when used in combination with the active tuning and parasitic elements, allows antenna operation at multiple resonant frequencies. In addition, the direction of antenna radiation pattern may be arbitrarily rotated in accordance with the parasitic and active tuning elements. | 08-07-2014 |
20140184454 | MULTI-FUNCTION ARRAY FOR ACCESS POINT AND MOBILE WIRELESS SYSTEMS - A multi-function array is described where several communication system functions are realized using the same antenna architecture. An array of antenna elements where each antenna element can generate multiple radiation patterns is described; the multiple radiation patterns from each antenna element provides increased capability and flexibility in generating a phased array, a MIMO antenna system, a receive diversity antenna system, as well as direction finding feature by way of an interferometer function provided by one or multiple elements. The small volume attributes of the antenna elements populating the array lend this technique to mobile wireless devices as well as access points. | 07-03-2014 |
20140184445 | MODAL ADAPTIVE ANTENNA USING PILOT SIGNAL IN CDMA MOBILE COMMUNICATION SYSTEM AND RELATED SIGNAL RECEIVING METHOD - One or more input signals are used to generate a Pseudo noise generator and re-inject the signal to obtain a more efficient method of control of a receiver using adaptive antenna array technology. The antenna array automatically adjusts its direction to the optimum using information obtained from the input signal by the receiving antenna elements. The input signals may be stored in memory for retrieval, comparison and then used to optimize reception. The difference between the outputs of the memorized signals and the reference signal is used as an error signal. | 07-03-2014 |
20140170994 | PROVISION OF LINEARITY ENHANCEMENT FOR RF COMMUNICATION DEVICES - A switch is provided, the switch including one or more banks of transistors fabricated on a substrate, wherein body terminals of the transistors in each bank are configured to be individually controlled to have respective body voltages. The values of the body voltages are determined to provide optimum linearity of power transfer by changing properties of the substrate with respect to the properties of the substrate when the body voltages are commonly biased at a value. | 06-19-2014 |
20140162566 | MODAL COGNITIVE DIVERSITY FOR MOBILE COMMUNICATION SYSTEMS - A system and method for antenna diversity in a communication system are provided, the system including multiple antennas, including at least one modal antenna, wherein each of the at least one modal antenna has multiple modes corresponding to multiple radiation patterns, and a processor coupled to the multiple antennas and configured to select a mode among the multiple modes to optimize signal quality for each time interval based on a CQI. | 06-12-2014 |
20140147719 | FLEXIBLE SUBSTRATE BATTERY JACKET - A flexible battery jacket adapted to combine two or more batteries for forming a low profile power-pack assembly. The battery jacket folds about the two or more batteries and connects respective positive and negative terminals of the batteries at one or more contacts of the battery jacket. The contacts are coupled to conductors which communicate the power to a positive and a negative supply terminal, respectively, on a single portion of the battery jacket assembly. In this regard, the flexible battery jacket combines two or more batteries in parallel or series configuration and provides supply terminals on a single substrate surface for easily connecting with an electronic device. | 05-29-2014 |
20140133525 | MULTI-MODE ACTIVE CIRCUIT CONTROL AND ACTIVATION SYSTEM - An active circuit control system that utilizes multiple PWM signals to activate and power an array of active components, requiring minimal wiring between the multi-mode signal conditioner and active components. Signal conditioning and filtering is implemented to allow transmission of power and control signals for multiple components over a single or multiple transmission lines. The circuit can be used to provide supply voltage and control signals for active antennas, switch networks, and other components in communication systems and electronic devices. | 05-15-2014 |
20140091974 | MODAL ANTENNA-INTEGRATED BATTERY ASSEMBLY - A modal antenna is formed within a battery assembly for use with a portable electronic device. In certain embodiments, the antenna is printed on an exterior surface of a battery enclosure using a conductive ink. In other embodiments, the antenna is attached, or etched, on a substrate; the substrate may at least partially include a battery housing. The antenna can include an Isolated Magnetic Dipole (IMD) antenna, or other radiating structure. Active components, such as active tuning components, are optionally included in the antenna-integrated battery assembly for the purpose of tuning the antenna. | 04-03-2014 |
20130335290 | MULTI-BAND MIMO ANTENNA - A multi-band antenna system for MIMO applications is adapted to provide high isolation between antennas across a wide range of frequencies. Multiple Isolated Magnetic Dipole (IMD) antennas are co-located and connected with a feed network that can include switches that adjust phase length for transmission lines connecting the antennas. Filtering is integrated into the feed network to improve rejection of unwanted frequencies. Filtering can also be implemented on the antenna structure. Either one or multi-port antennas can be used. | 12-19-2013 |
20130285873 | MULTI-BAND COMMUNICATION SYSTEM WITH ISOLATION AND IMPEDANCE MATCHING PROVISION - A communication system is provided, including one or more antennas coupled to multiple RF paths, one or more matching blocks, each block including multiple matching networks, a look-up table including characterization data according to frequency bands and conditions, and a controller configured to control the multiple matching networks by referring to the look-up table to provide optimum impedance for a frequency band selected and a condition detected during a time interval. The matching block may further include switches and adjustment circuits. | 10-31-2013 |
20130278477 | MULTI-BAND COMMUNICATION SYSTEM WITH ISOLATION AND IMPEDANCE MATCHING PROVISION - A communication system is provided, including an antenna coupled to multiple RF paths, one or more matching networks, multiple switches, a controller configured to control the one or more matching networks and the multiple switches, and a look-up table coupled to the controller, the look-up table including characterization data according to frequency bands and conditions. The multiple switches are controlled to engage the signal path corresponding to the frequency band selected. The one or more matching networks are controlled by the controller to provide optimum impedance for the frequency band selected and a condition detected during a time interval with reference to the look-up table. Additional switches may be included to improve isolation. | 10-24-2013 |
20130257666 | ANTENNA WITH MULTIPLE COUPLED REGIONS - An antenna having a driven element coupled to multiple additional elements to resonate at multiple frequencies. A magnetic dipole mode is generated by coupling a driven element to a second element, and additional resonances are generated by coupling additional elements to either or both of the driven or second element. One or multiple active components can be coupled to one or more of the coupled elements to provide dynamic tuning of the coupled or driven elements. | 10-03-2013 |
20130194133 | GPS LOCATION SYSTEM USING MODAL ANTENNA - A modal antenna is implemented to provide a variable radiation pattern for improved GPS (Global Positioning System) signal reception. A multitude of antenna radiation patterns generated from a modal antenna provide the capability to optimally acquire GPS signals across a wide range of angles of arrival. Minimum radiation pattern roll-off is observed from the composite pattern generated from the multiple patterns. An algorithm is described that reduces the acquisition time for a location fix for cold and hot start conditions. | 08-01-2013 |
20130187829 | HIGH SPEED TUNABLE MATCHING NETWORK FOR ANTENNA SYSTEMS - A communication system is provided, including an antenna, a matching network coupled to the antenna, a controller configured to host an algorithm for controlling the matching network, and a look-up table coupled to the controller. The look-up table includes characterization data according to frequency bands and conditions. The controller is configured to refer to the look-up table to determine optimum impedance for a frequency band selected under a condition detected during a time interval, and adjust the matching network to provide the optimum impedance. Part or all of the sections related to the tunable matching scheme can be integrated on a chip. | 07-25-2013 |
20130187828 | TUNABLE MATCHING NETWORK FOR ANTENNA SYSTEMS - A communication system is provided, including an antenna, a matching network coupled to the antenna, a controller configured to control the matching network, and a look-up table coupled to the controller. The look-up table includes characterization data according to frequency bands and conditions. The controller is configured to refer to the look-up table to determine optimum impedance for a frequency band selected under a condition detected during a time interval, and adjust the matching network to provide the optimum impedance. | 07-25-2013 |
20130154889 | ACTIVE FRONT END MODULE USING A MODAL ANTENNA APPROACH FOR IMPROVED COMMUNICATION SYSTEM PERFORMANCE - This application describes a dynamically tuned front end module using a modal antenna approach for improved communication system performance. The front end module consists of power amplifiers, filters, switches and antennas along with tuning circuits integrated and controlled to provide an optimized system for RF transmission. Dynamic tuning provides the ability to maintain optimized system performance for a wide variety of use cases and environments that the wireless device is operated in. Several transmission modes are accessed in an algorithm to optimize the performance of multiple wireless devices in a cellular system, to include a power conservation mode, emergency transmission mode, and cell capacity optimization mode. Dynamic adjustment of correlation and isolation between multiple antennas is a benefit provided by this front end topology. | 06-20-2013 |
20130150040 | POWER MANAGEMENT & CONTROL SYNCHRONIZATION WITHIN IN A WIRELESS NETWORK USING MODAL ANTENNAS AND RELATED METHODS - A means of power management and control via a reverse link of a CDMA or LTE network is disclosed. The protocol is set to superimpose itself in an agnostic way to the power management as one more layer of freedom is added. The adjustment depending on the power control is then derived by mismatch if too much power or antenna tuning to enhance the power. This is also following a table in the device that will adjust ECC in case of a MIMO transmission such as LTE as well as SAR. This will generate also a mean of a soft-handoff and load control on the base station. | 06-13-2013 |
20130149957 | ADAPTIVE REPEATER FOR IMPROVED COMMUNICATION SYSTEM PERFORMANCE - A dynamically tuned repeater system for improved communication system performance is disclosed. The repeater circuit consists of power amplifiers, low noise amplifiers, filters, switches and antennas along with tuning circuits integrated and controlled to provide an optimized system for RF transmission improvement. Dynamic tuning provides the ability to maintain optimized system performance as required by communication link characteristics. Inputs from proximity sensors are used to further optimize system performance. The repeater topology is capable of transmission and reception enhancement at a multitude of frequency bands. | 06-13-2013 |
20130147672 | MODAL ANTENNA WITH CORRELATION MANAGEMENT FOR DIVERSITY APPLICATIONS - Antenna systems comprising modal antennas for use in diversity and similar schemes include a modal antenna capable of multiple antenna modes wherein a distinct radiation pattern exists for each antenna mode, and a control signal for directing variation of the antenna modes. Methods for designing modal diversity antennas are further disclosed. | 06-13-2013 |
20130141293 | SUPERIMPOSED MULTIMODE ANTENNA FOR ENHANCED SYSTEM FILTERING - In a typical system a combination of filters (BAW, SAW, etc) and an antenna are configured to achieve frequency filtering effect and efficient transmission and reception of communication signals. Wireless communication systems require specific bandwidth and out-of-band rejection; typically this metric is characterized in frequency roll-off in units of dB/MHz. This number is distributed between the antenna and filter, with the antenna contributing little to date to the filtering effect. Loss and cost penalties are incurred when multi-mode systems are designed which require additional rejection from the filter elements. Described here is a method of designing antennas to reduce the amount of rejection and complexity from the filter system. A superposition of a symmetrical frequency response from the antenna structure coupled with a non-symmetrical frequency response from a counterpoise structure generates increased rejection of out-of-band components. | 06-06-2013 |
20130141292 | MULTI-ANTENNA MODULE CONTAINING ACTIVE ELEMENTS AND CONTROL CIRCUITS FOR WIRELESS SYSTEMS - An antenna system is provided for use in wireless communication, the antenna system is contained in a modular structure. The antenna system includes a plurality of co-located antennas, including at least one active modal antenna, each of the antennas being adapted for operation at a distinct frequency band. The antenna system further includes an active tuning module for tuning a frequency response of the co-located antennas. | 06-06-2013 |
20130137384 | COMMUNICATION SYSTEM WITH BAND, MODE, IMPEDANCE AND LINEARIZATION SELF-ADJUSTMENT - A communication system is provided, including an antenna, a PA, a linearization circuit to enhance linearity, a filter system, and a controller. The controller is configured to receive information on the signals and conditions, and based on the information the controller controls one or more of the antenna, the PA, the linearization circuit and the filter system to provide an optimum configuration to meet specifications of signal properties under the conditions. The controller may look up a registry having entries regarding the specifications of signal properties under conditions in terms of predetermined parameters. | 05-30-2013 |
20130135171 | ACTIVE SELF-RECONFIGURABLE MULTIMODE ANTENNA SYSTEM - A self-reconfigurable multimode antenna system where loading conditions of sensors are analyzed and used to generate control signals to dynamically reconfigure an antenna for improved performance. One or multiple sensors can be coupled to the antenna to dynamically change the radiating structure. One or multiple sensors can be coupled to the input or matching section of the antenna to improve or alter the impedance match of the antenna. An algorithm to relate loading effects of sensors to dynamically adjust the antenna is described. | 05-30-2013 |
20130135163 | ACTIVE MIMO ANTENNA CONFIGURATION FOR MAXIMIZING THROUGHPUT IN MOBILE DEVICES - An active antenna system and algorithm is proposed that provides for dynamic tuning and optimization of antenna system parameters for a MIMO system that will provide for greater throughput. As one or multiple antennas are loaded or de-tuned due to environmental changes, corrections to correlation and/or isolation are made by tuning the active antenna. A null-steering technique is implemented to alter the near-field and far-field characteristics to aid in modifying correlation and isolation in the multi-antenna system. | 05-30-2013 |
20130135162 | ANTENNA SYSTEM FOR INTERFERENCE SUPRESSION - An antenna system is capable of optimizing communication link quality with one or multiple transceivers while suppressing one or multiple interference sources. The antenna provides a low cost, physically small multi-element antenna system capable of being integrated into mobile devices and designed to form nulls in the radiation pattern to reduce interference from unwanted interferers. The antenna system operates in both line of sight and high multi-path environments by adjusting the radiation pattern and sampling the received signal strength to reduce signal levels from interferers while monitoring and optimizing receive signal strength from desired sources. | 05-30-2013 |
20130127670 | Automatic Signal, SAR, and HAC Adjustment with Modal Antenna Using Proximity Sensors or Pre-defined Conditions - A modal adaptive antenna system that dynamically samples proximity sensors or other sensors to determine the use case for the wireless device and then adjust the antenna radiating mode to optimize communication link performance. The modal adaptive antenna system is capable of modifying the antenna radiation pattern to improve communication link quality along with near-field parameters such as SAR and HAC. An algorithm and look-up table containing pre-measured electrical parameters to include TRP, TIS, and SAR are developed and integrated with hardware which includes an antenna and active components to dynamically modify the radiation pattern of the antenna as well as proximity sensors and or other sensing devices. | 05-23-2013 |
20130122836 | PRE-OPTIMIZATION OF TRANSMIT CIRCUITS - An impedance tuning and optimization technique is described wherein an impedance interface is dynamically tuned prior to applying transmit power to the circuit. A coupled signal injected into the antenna port is used to optimize the tuning state of a tuning component such that the impedance properties of the circuit are optimized prior to application of transmit power. A coupled or injected signal at an alternate frequency band can be utilized to determine tuning state or parameters at the frequency of interest by first tuning at the frequency of the coupled or injected signal and then accessing a data base containing information that relates tuning parameters across multiple frequency bands for various levels of antenna de-tuning. A time-savings is realized when the tuning circuit is optimized prior to activation or use of the transmit/receive path. | 05-16-2013 |
20130122831 | COMMUNICATION SYSTEMS WITH ENHANCED ISOLATION PROVISION AND OPTIMIZED IMPEDANCE MATCHING - A communication system has multiple paths including one or more Tx paths for processing Tx signals and one or more Rx paths for processing Rx signals, one or more PAs coupled respectively to the one or more Tx paths for amplifying the Tx signals, one or more LNAs coupled respectively to the one or more Rx paths for amplifying the Rx signals, one or more Tx filters coupled respectively to the one or more Tx paths for filtering the Tx signals, one or more Rx filters coupled respectively to the one or more Rx paths for filtering the Rx signals, and an antenna comprising multiple feeds coupled to the multiple paths, respectively, to provide physical separation of the multiple paths from each other. Physical separation among the multiple paths and impedance matching provides isolation among the multiple paths, and relaxes rejection considerations on the filters. | 05-16-2013 |
20130120200 | MULTI LEVELED ACTIVE ANTENNA CONFIGURATION FOR MULTIBAND MIMO LTE SYSTEM - An active antenna system and algorithm is described that provides for dynamic tuning and optimization of antenna system parameters for a MIMO system where correlation and isolation between antennas in the system are dynamically altered to provide for greater throughput. As one or multiple antennas are loaded or de-tuned due to environmental changes, corrections to correlation and/or isolation are made by selecting the optimal antenna radiation pattern and by adjusting electrical length and/or reactive loading of transmission lines connecting the antennas. Multiple Isolated Magnetic Dipole (IMD) antennas are co-located and connected with a feed network that can include switches that adjust phase length for transmission lines connecting the antennas. Filtering is integrated into the feed network to improve rejection of unwanted frequencies. Filtering can also be implemented on the antenna structure. | 05-16-2013 |
20130113667 | ANTENNA AND METHOD FOR STEERING ANTENNA BEAM DIRECTION - An antenna comprising an IMD element and one or more parasitic and active tuning elements is disclosed. The IMD element, when used in combination with the active tuning and parasitic elements, allows antenna operation at multiple resonant frequencies. In addition, the direction of antenna radiation pattern may be arbitrarily rotated in accordance with the parasitic and active tuning elements. | 05-09-2013 |
20130109449 | ANTENNA SYSTEM OPTIMIZED FOR SISO AND MIMO OPERATION | 05-02-2013 |
20130109434 | MULTI-MODE MULTI-BAND SELF-REALIGNING POWER AMPLIFIER | 05-02-2013 |
20130109327 | ANTENNAS CONFIGURED FOR SELF-LEARNING ALGORITHMS & RELATED METHODS | 05-02-2013 |
20130109309 | MULTI-FREQUENCY NFC ANTENNA | 05-02-2013 |
20130100928 | METHOD AND SYSTEM FOR PRIORITY-BASED HANDOFF - A system and method are provided for wireless communication to operate with multiple network connections sequentially based on priorities. The system includes a first antenna configured to transmit and receive signals in WLAN and to be a modal antenna having multiple first modes corresponding to multiple first radiation patterns, respectively, a second antenna configured to transmit and receive signals in WWAN, the second antenna having at least one second mode; and a processor coupled to the first antenna and the second antenna. The second antenna may also be a modal antenna having multiple second modes. | 04-25-2013 |
20130093635 | MODAL ADAPTIVE ANTENNA USING PILOT SIGNAL IN CDMA MOBILE COMMUNICATION SYSTEM AND RELATED SIGNAL RECEIVING METHOD - One or more input signals are used to generate a Pseudo noise generator and re-inject the signal to obtain a more efficient method of control of a receiver using adaptive antenna array technology. The antenna array automatically adjusts its direction to the optimum using information obtained from the input signal by the receiving antenna elements. The input signals may be stored in memory for retrieval, comparison and then used to optimize reception. The difference between the outputs of the memorized signals and the reference signal is used as an error signal. | 04-18-2013 |
20130093634 | MULTI-BAND MIMO ANTENNA - A multi-band antenna system for MIMO applications is adapted to provide high isolation between antennas across a wide range of frequencies. Multiple Isolated Magnetic Dipole (IMD) antennas are co-located and connected with a feed network that can include switches that adjust phase length for transmission lines connecting the antennas. Filtering is integrated into the feed network to improve rejection of unwanted frequencies. Filtering can also be implemented on the antenna structure. Either one or multi-port antennas can be used. | 04-18-2013 |
20130076571 | N-SHOT ANTENNA ASSEMBLY AND RELATED MANUFACTURING METHOD - An antenna module and a manufacturing method for the same are disclosed. With the miniaturization trend for mobile communication terminals, the invention can achieve the miniaturization of antenna modules and facilitate the design of the antenna. The SMD as a matching component for given resonance frequency and impedance matching of the antenna is mounted on the antenna module to make the antenna module compact, and functions as a matching circuit for impedance matching to facilitate the design of mobile devices. | 03-28-2013 |
20120280871 | ANTENNA WITH ACTIVE ELEMENTS - A multi-frequency antenna comprising an IMD element, one or more active tuning elements and one or more parasitic elements. The IMD element is used in combination with the active tuning and parasitic elements for enabling a variable frequency at which the antenna operates, wherein, when excited, the parasitic elements may couple with the IMD element to change an operating characteristic of the IMD element. | 11-08-2012 |
20120206303 | ANTENNA SYSTEM COUPLED TO AN EXTERNAL DEVICE - An antenna system is integrated into a cover or accessory and adapted to couple to an antenna in a host device to improve transmission and reception of signals. The antenna system can be passive or active, with the active antenna system designed to amplify coupled signals on the integrated antenna elements in the cover or accessory. Single or multiple frequency bands can be improved with the integrated antenna system, and multiple antennas in the host device can be coupled to and improved. The antenna system can couple to the existing antennas in the host device by capacitive coupling, i.e. no physical contact required, or a connector can be designed into the cover or accessory containing the integrated antenna system that makes contact to electrical ground of the host device or power supply signals or other control signals. | 08-16-2012 |
20110221638 | INTERNAL LC ANTENNA FOR WIRELESS COMMUNICATION DEVICE - An L-shape Corner (LC) Antenna uses an L shaped antenna on the corner of a circuit board of a wireless device. The low band element is positioned and designed to be resonate along the long edge of the adjacent ground plane while the high band element (H) is positioned and designed to be resonate along the short edge of the adjacent ground plane. The PCB (printed circuit board) of the wireless device that the antenna is integrated into can provide the ground plane function. The single antenna element provides two separate radiating sections that allow for optimization of low and high band resonances that are often required to service the cellular and other wireless frequency bands. The two radiating sections of the antenna provide different polarizations for the two resonances that assist in de-coupling the two resonances from each other. Both antenna elements can be an Isolated Magnetic Dipole (IMD) antenna; conversely, one of the two antenna elements can be an IMD element. | 09-15-2011 |
20110012800 | ANTENNA WITH ACTIVE ELEMENTS - A multi-frequency antenna comprising an IMD element, one or more active tuning elements and one or more parasitic elements. The IMD element is used in combination with the active tuning and parasitic elements for enabling a variable frequency at which the antenna operates, wherein, when excited, the parasitic elements may couple with the IMD element to change an operating characteristic of the IMD element. | 01-20-2011 |
20100283691 | SPATIAL FILTER FOR NEAR FIELD MODIFICATION IN A WIRELESS COMMUNICATION DEVICE - A spatial filter is developed for specific absorption rate (SAR) reduction in a wireless device. A conductive element is designed to modify the near field distribution of an antenna operating in a wireless device. This reduces SAR while minimizing degradation of antenna efficiency at one or several frequency bands that the antenna is designed to operate over. Lumped reactance can be designed into the conductive element to generate low pass, band pass, and/or high pass frequency characteristics. Distributed reactance can be designed into the conductive element to replace or to work in conjunction with the lumped reactance. Active components can be designed into the conductive element to provide dynamic tuning of the frequency response of the conductive element. | 11-11-2010 |
20100259457 | MULTI-FREQUENCY, NOISE OPTIMIZED ACTIVE ANTENNA - A multi-frequency, noise optimized active antenna consisting of one or several actively tuned antennas optimized over incremental bandwidths and capable of tuning over a large total bandwidth. One or multiple impedance transformers are connected to the antennas at an optimal location, with the transformers acting to reduce the impedance for optimal coupling to a transceiver/receiver. Active components can be incorporated into the antenna structures to provide yet additional extension of the bandwidth along with increased optimization of antenna performance over the frequency range of the antenna. The radiating elements can be co-located with a ferrite material and/or active components coupled to the element to tune across a wide frequency range. | 10-14-2010 |
20100259456 | MULTI-LAYER REACTIVELY LOADED ISOLATED MAGNETIC DIPOLE ANTENNAA - A multi-layer reactively loaded isolated magnetic (IMD) dipole with improved bandwidth and efficiency characteristics to be used in wireless communications and other applicable systems. The multi-layer IMD antenna comprises a first element positioned above a ground plane, a second element positioned above a ground plane and coupled to the first portion. Reactive components are integrated into one or both elements to optimize the frequency response of the antenna. The range of frequencies covered to be determined by the shape, size, and number of elements in the physical configuration of the components. Portions of or the entire ground plane can be removed beneath the elements. | 10-14-2010 |
20090231206 | LOW COST INTEGRATED ANTENNA ASSEMBLY AND METHODS FOR FABRICATION THEREOF - A conductive layer is applied to a thermoformed plastic component to form an integrated antenna assembly. The conductive layer is on a flexible layer and adhered or attached to the rigid thermoformed plastic carrier. Features are designed into the thermoformed plastic carrier to provide electrical contacts from the conductive layer to the circuit board of the communication device and to mechanically attach the carrier to the circuit board. Multiple conductive layers can be applied to a multi-layered thermoformed structure to form a multi-antenna assembly. | 09-17-2009 |