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7269results about "Receivers monitoring" patented technology
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Controlling Mobile Device Functions
ActiveUS20110105097A1Limited abilityAutomatically disabling the texting ability of mobile deviceService provisioningReceivers monitoringDistractionAddress control
This provides for controlling mobile device functions and features. For example, it limits or disables the use of some of mobile device features which could cause distraction to the user, when the user is engaged in another activity. In an example, it enables other mobile device features based on occurrence of events related to the user or environment. Another example addresses controlling the mobile device features, such as SMS, while the user is in a vehicle or driving. Another example restricts the ability of the driver of a vehicle to text, while the vehicle is in motion, by automatically disabling the texting ability of mobile device within and around the perimeter of the driver's seat. Other variations, examples, improvements, detection mechanisms, models, techniques, calculations, verification mechanisms, and features are also described in details.
Owner:HYUNDAI MOTOR CO LTD
Radio communication system
InactiveUS7043271B1Reduce in quantityReduces constitutionTransmitters monitoringSpatial transmit diversityCarrier signalEngineering
Owner:KK TOSHIBA
Method and apparatus for determining location of a base station using a plurality of mobile stations in a wireless mobile network
A method and apparatus for determining a position of a base station in a wireless communication network that includes a mobile station in communication with base stations. A BTS calibration server is networked with the base stations. A BTS calibration program is programmed into a group of mobile stations that have position location capabilities. Using the BTS calibration program, calibration information may be requested by the BTS calibration server, or a session may be initiated by the mobile station. The BTS calibration program also provides privacy features that allow user of the mobile station to prevent it from being used for base station location. If authorized, the BTS calibration program determines the position of the mobile station, and provides calibration information, such as position and base station phase measurements, to the server. The calibration information may be used to calibrate the base station almanac.
Owner:QUALCOMM INC
Wireless power and communication system
Owner:SONY CORP
Wireless communication apparatus, power supply method, program, and wireless communication system
ActiveUS20090264069A1Improve power efficiencyBatteries circuit arrangementsReceivers monitoringElectricityCommunications system
The present invention provides a wireless communication apparatus including: a communication processing unit that transmits and receives a radio signal; a wireless power transmitting unit that supplies power wirelessly to an apparatus located within a power supplyable range; a location data obtaining unit that obtains location data of a power receiver apparatus; and a control unit that controls a power supply to the power receiver apparatus based on the location data of the power receiver apparatus obtained by the location data obtaining unit.
Owner:SONY CORP
Method for processing csi-rs in wireless communication system
ActiveUS20110170435A1Easy resource managementEasy to manageReceivers monitoringFrequency-division multiplex detailsChannel state informationCommunications system
A method for processing a Channel State Information Reference Signal (CSI-RS) in a wireless communication system based on a multiple access scheme is provided. The CSI-RS transmission method defines a plurality of CSI-RS patterns, assigns the CSI-RS patterns to individual cells, uses the CSI-RSs alternately per Physical Resource Block (PRB) so as to utilize the transmission powers of all antenna ports for transmitting CSI-RSs, transmits Coordinated Multi Point (CoMP) CSI-RSs and non-CoMP CSI-RSs separately, and mutes specific resources in association with the CSI-RS pattern of adjacent cells.
Owner:SAMSUNG ELECTRONICS CO LTD
Calibration apparatus for smart antenna and method thereof
This invention is related to the calibration apparatus and method for compensating the phase characteristics in the receiving and transmitting signal paths of array antenna system, especially adaptive array antenna system operating as the base station system. The objective of this invention is to provide the calibration apparatus and method for the array antenna system to be able to compensate its phase differences or irregularities without any restrictions on the array structure or position of additional antenna or antenna toplogies while the array antenna system is in its operational mode such that the signals used by the subscribers are received or transmitted together with the signals used for the calibration. In this invention the phase delay between the additional antenna element and each of the antenna elements of the array antenna system is measured in advance of the calibration procedure to be used when the phase differences or irregularities are measured during the calibration procedure. The test signals used for the calibration is distinguishable from the signals used by the subscribers. Furthermore, each of the transmitting calibration signals itself is distinguishable from one another when the plural transmitting signal paths are to be calibrated simultaneously.
Owner:SASTECH +1
Systems and methods for determining element phase center locations for an array of antenna elements
A method for operating a communications system is provided. The method includes receiving a plurality of signals at a plurality of antenna elements, the plurality of signals arriving at the array of antenna elements at a plurality of angles of arrival (AOAs) with respect to a reference location. The method also includes calculating a plurality of differential distance vectors between the plurality of antenna elements and the reference location, each of the plurality of differential distance vectors associated with one of the plurality of AOAs and at least one of the pluralities of signals. The method further includes obtaining a plurality of actual phase center locations for the plurality of antenna elements based on the plurality of differential distance vectors and the plurality of AOAs and providing a correction to configuration data for the array of antenna elements based at least on the plurality of actual phase center locations.
Owner:HARRIS CORP
Uplink resource allocation to control intercell interference in a wireless communication system
ActiveUS20070042784A1Avoid elevationSuitable characteristicPower managementReceivers monitoringCommunications systemUplink transmission
Embodiments of the present invention exploit the reciprocity of radio channels in TDD, and longer-term correlation between average uplink and downlink path losses in FDD wireless communication systems to enable distributed schedulers in an enhanced uplink system to allocate uplink transmission resources while preemptively managing intercell interference levels. Each cell's base station transmits a downlink reference signal at a known transmission power level. A mobile station monitors the received signal strength of the downlink reference signals from multiple base stations. The transmitted and received signal strength levels can be used by the mobile station to estimate the amount of intercell interference that the mobile station's uplink transmissions cause, and the mobile station's uplink transmission parameters are adjusted accordingly. In further embodiments, the received reference signal power levels, or values derived therefrom, are transmitted by the mobile station to its serving base station, where a scheduling algorithm uses the information to adjust one or more transmission parameters relating to a grant of uplink transmission resources to the UE, thereby controlling the intercell interference generated by the mobile station's uplink transmissions.
Owner:SONY CORP
Power Control in a Local Network Node (Lln)
The invention relates to a method and system of setting transmitter power levels, particularly in a Local Network Node transmitter, providing a pico cell for private use. A User Equipment (UE) is used to make measurements of the transmission link properties, such as downlink power and round trip time. Based on the measurements made at one or a plurality of locations, the power of the Local Network Node can be determined such that interference is minimised with any overlying cells of a macro-network. Call handovers between the UE and the cell of a macro network can also be arranged based on properties measure by the UE
Owner:COMMSCOPE TECH LLC
System for creating a computer model and measurement database of a wireless communication network
InactiveUS6442507B1Receivers monitoringDirection finders using radio wavesComputer scienceComputer database
Owner:EXTREME NETWORKS INC
System and method for efficiently visualizing and comparing communication network system performance
InactiveUS7246045B1Easy to displayDrawing from basic elementsReceivers monitoringTerrainCommunications system
A method for visualizing and efficiently making comparisons of communication system performance utilizing predicted performance, measured performance, or other performance data sets is described. A system permits visualizing the comparisons of system performance data in three-dimensions using fluctuating elevation, shape, and / or color within a three-dimensional computer drawing database consisting of one or more multi-level buildings, terrain, flora, and additional static and dynamic obstacles (e.g., automobiles, people, filing cabinets, etc.). The method enables a design engineer to visually compare the performance of wireless communication systems as a three-dimensional region of fluctuating elevation, color, or other aesthetic characteristics with fully selectable display parameters, overlaid with the three-dimensional site-specific computer model for which the design was carried out.
Owner:EXTREME NETWORKS INC
System for the three-dimensional display of wireless communication system performance
InactiveUS6499006B1Receivers monitoringRadio/inductive link selection arrangementsTerrainCommunications system
A method for displaying the results of predicted wireless communication system performance as a three-dimensional region of fluctuating elevation and / or color within a three-dimensional computer drawing database consisting of one or more multi-level buildings, terrain, flora, and additional static and dynamic obstacles (e.g., automobiles, people, filing cabinets, etc.). The method combines computerized organization, database fusion, and site-specific performance prediction models. The method enables a design engineer to visualize the performance of any wireless communication system as a three-dimensional region of fluctuating elevation, color, or other aesthetic characteristics with fully selectable display parameters, overlaid with the three-dimensional site-specific computer model for which the performance prediction was carried out.
Owner:EXTREME NETWORKS INC
Method and system for designing or deploying a communications network which considers frequency dependent effects
InactiveUS6625454B1Simply and quickly prepareOptimize timingReceivers monitoringRadio/inductive link selection arrangementsBill of materialsDesign engineer
A computerized model provides a display of a physical environment in which a communications network is or will be installed. The communications network is comprised of several components, each of which are selected by the design engineer and which are represented in the display. Errors in the selection of certain selected components for the communications network are identified by their attributes or frequency characteristics as well as by their interconnection compatibility for a particular design. The effects of changes in frequency on component performance are modeled and the results are displayed to the design engineer. A bill of materials is automatically checked for faults and generated for the design system and provided to the design engineer. For ease of design, the design engineer can cluster several different preferred components into component kits, and then select these component kits for use in the design or deployment process.
Owner:EXTREME NETWORKS INC
Method of transmission of at least a data packet by several antennas and corresponding reception method
InactiveUS20120051294A1Quality improvementFacilitate communicationReceivers monitoringCriteria allocationData packReal-time computing
Owner:INTERDIGITAL CE PATENT HLDG
Method and system for processing quality of service (QOS) performance levels for wireless devices
InactiveUS20050163047A1Monitoring quality of serviceReceivers monitoringError preventionQuality of serviceThird party
A method and apparatus to monitor quality of service (QoS) of wireless mobile devices is described. In one embodiment, the present invention provides a method to monitor QoS performance of one or more services provided to a mobile user. The method includes comparing the performance of at least one service provided to the mobile user against at least one QoS threshold value. In one aspect, the present invention detects and determines responses to services having performance levels that cross at least one associated QoS threshold value. In one aspect, QoS thresholds may be associated with QoS between a mobile device and network. In another aspect, QoS thresholds may be associated with the performance level of mobile device operation services such as hardware and software operations. In one embodiment, when a performance level of a service associated with a mobile device crosses at least one QoS threshold, the affected mobile device process data associated with such service performance. Such processed data may then be provided to a user, network personnel, and third parties, etc. for processing thereof.
Owner:CHRISTOPHER M MCGREGOR
Approach to a unified su-mimo/mu-mimo operation
ActiveUS20080132281A1Well formedReceivers monitoringDiversity/multi-antenna systemsChannel state informationCommunications system
An apparatus and method to dynamically schedule user devices in a wireless communication system in single-user multiple-input multiple-output (SU-MIMO) or multiple-user multiple-input multiple-output (MU-MIMO) modes of operation. The dynamic scheduling employs an efficient differential reporting of channel state information that reduces uplink feedback overhead, whereby a base layer value of a channel quality indicator (CQI) is reported in conjunction with a CQI offset value. Antenna subset selection is also reported. The offset value reflects gains by detection with successive interference cancellation if multiple antennas are reported (rank>1), while it reflects the actual offset between single-layer SU-MIMO CQI and MU-MIMO CQI if a single antenna is reported. Scheduled SU-MIMO mode of operation is optimized for a user reporting either a single antenna or multiple antennas, whereas MU-MIMO operation is optimized for a user reporting a single antenna.
Owner:QUALCOMM INC
Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration
InactiveUS6862440B2Low costTransmitters monitoringReceivers monitoringTransmission channelEngineering
The present invention provides a method and system for estimating common amplitude and phase errors of a multiple channel wireless system. The multiple channel wireless system includes a plurality of transmission channels formed between a plurality of transmission antennas and a plurality of receiver antennas. The method includes estimating transmission channel elements between each transmission antenna and receiver antenna pair of the multiple channel wireless system. Calibration symbols are transmitted from each transmit antenna. Signals are received that correspond to the calibration symbols having traveled through the transmission channels. Received calibration symbols are estimated based upon spatial processing of the received signals and the estimated transmission channel elements. Common amplitude and phase errors are estimated for each transmit and receive antenna pair by comparing the transmitted calibration symbols with the received calibration symbols.
Owner:TAHOE RES LTD
MULTI-TRANSCEIVER ARCHITECTURE FOR ADVANCED Tx ANTENNA MONITORING AND CALIBRATION IN MIMO AND SMART ANTENNA COMMUNICATION SYSTEMS
ActiveUS20100093282A1Lower performance requirementsTransmitters monitoringReceivers monitoringWireless transceiverAir interface
Exemplary embodiments of system and method are provided for measuring signal amplitude, phase and / or delay offsets between multiple transmit signals fed through the transmit signal processing chains and wirelessly transmitted over the transceive antennas of separate transceiver modules, wherein transmit signal coupling between the transmit antennas of said transceiver modules' transmit signal processing chains may be used for synchronizing the transmit signals and calibrating their amplitude, phase and / or delay parameters. The exemplary embodiments further provide a front end arrangement of a wireless transceiver device which can comprise at least two independently controllable transceiver modules, each connected to an associated spatial diversity transceive antenna and comprising at least one associated transmit signal processing chain and at least one associated receive signal processing chain coupled to a common baseband processing unit. The exemplary transceiver architecture can be executed on an antenna loop between the transmit signal processing chain of a first transceiver module and the transmit signal processing chain of a second transceiver over the air interface and relies on an adaptive antenna concept which facilitates a wireless transmission of data via a plurality of wireless communication channels utilizing an array of transceive antennas, receiving feedback information via at least one of said communication channels using such antenna loop and modifying a transmission mode based on the received feedback information.
Owner:RPX CORP
Method and system for quality of service (QoS) monitoring for wireless devices
Method and apparatus to monitor MQoS of wireless mobile devices is described. In one embodiment, the present invention provides a method to monitor the health of 3G mobile devices and provide a status check of such health to network technicians, supervisors, and management. In one aspect, mobile devices on the network perform measurement of MQoS factors that are reported to a quality of service backend. The MQoS data is combined to show current and historical network status. In another aspect, alarms may be set to notify specific managers when manager programmable conditions occur, such as low system performance, or specific error conditions occur. Reports may be generated summarizing and illustrating performance in tabular and graphical form. Parameters used for testing and monitoring mobile devices may be input to specific mobile devices or groups of mobile devices in a system. In one aspect, customer care or call centers may be enabled to request specific tests from specific mobile devices and utilize the overall network status to diagnose and / or resolve customer issues.
Owner:ROOT WIRELESS
Apparatus and method for adaptive broadcast transmission
An apparatus and method for adaptive broadcast transmission. A broadcast transmission can be received. Insufficiency of a broadcast channel quality can be determined. A negative acknowledgement signal can be sent on a common uplink channel in response to determining the broadcast channel quality is insufficient. The negative acknowledgement signal can be received on the common uplink channel at another location, the negative acknowledgement signal indicating broadcast channel quality is insufficient. The broadcast channel quality can be adjusted in response to receiving the negative acknowledgement signal.
Owner:GOOGLE TECH HLDG LLC
Method and apparatus for determining location of a base station using a plurality of mobile stations in a wireless mobile network
ActiveUS7319878B2Receivers monitoringUnauthorised/fraudulent call preventionWireless mesh networkMobile Web
A method and apparatus for determining a position of a base station in a wireless communication network that includes a mobile station in communication with base stations. A BTS calibration server is networked with the base stations. A BTS calibration program is programmed into a group of mobile stations that have position location capabilities. Using the BTS calibration program, calibration information may be requested by the BTS calibration server, or a session may be initiated by the mobile station. The BTS calibration program also provides privacy features that allow user of the mobile station to prevent it from being used for base station location. If authorized, the BTS calibration program determines the position of the mobile station, and provides calibration information, such as position and base station phase measurements, to the server. The calibration information may be used to calibrate the base station almanac.
Owner:QUALCOMM INC
Varying size coefficients in a wireless local area network return channel
InactiveUS20070153731A1Quality improvementIncrease consumptionReceivers monitoringRadio/inductive link selection arrangementsChannel state informationTelecommunications
Sending channel related parameters known as channel state information (CSI) over a WLAN return channel. The size of these coefficients is not fixed. Rather, the coefficients are quantized in a certain resolution, which is determined adaptively according to a measure of the channel quality. This allows minimizing the component of the bandwidth of the wireless connection that is not used for payload transfer.
Owner:METALINK LTD
Channel quality report processes, circuits and systems
An electronic device includes a first circuit (111) operable to generate at least a first and a second channel quality indicator (CQI) vector associated with a plurality of subbands for each of at least first and second spatial codewords respectively and generate a first and a second reference CQI for the first and second spatial codewords, and operable to generate a first and a second differential subbands CQI vector for each spatial codeword and generate a differential between the second reference CQI and the first reference CQI, and further operable to form a CQI report derived from the first and the second differential subbands CQI vector for each spatial codeword as well as the differential between the second reference CQI and the first reference CQI; and a second circuit (113) operable to initiate transmission of a signal communicating the CQI report. Other electronic devices, processes and systems are also disclosed.
Owner:TEXAS INSTR INC
Protable radio terminal testing apparatus using single self-complementary antenna
InactiveUS6839032B2Simple structureEasy to operateTransmitters monitoringPower managementCouplingImpedance transformer
Owner:ANRITSU CORP
Systems and methods for compensating for transmission phasing errors in a communications system using a receive signal
Owner:HARRIS CORP
Apparatus and method for selecting best beam in wireless communication system
ActiveUS20130059619A1Efficient executionMinimize signaling overheadReceivers monitoringRadio transmissionCommunications systemTransfer mode
An apparatus and method for selecting the best beam in a wireless communication system are provided. An operation of a Base Station (BS) includes repeatedly transmitting reference signals beamformed with a first width, receiving a feedback signal indicating at least one preferred-beam having the first width from at least one terminal, determining a direction range within which reference signals beamformed with a second width are to be transmitted and a transmission pattern, based on the at least one preferred-beam having the first width, repeatedly transmitting the reference signals beamformed with the second width within the determined direction range according to the transmission pattern, and receiving a feedback signal indicating at least one preferred-beam having the second width from the at least one terminal.
Owner:SAMSUNG ELECTRONICS CO LTD
Methods and apparatus of enhancing performance in wireless communication systems
ActiveUS7142864B2Constrain performance of systemExtension of timeSpatial transmit diversityReceivers monitoringCommunications systemMobile device
Owner:QUALCOMM INC
Wireless sensor network access point and device RF spectrum analysis system and method
ActiveUS20120134280A1Receivers monitoringError preventionFrequency spectrumWireless sensor networking
A system for measuring and analyzing radio frequency power proximate and within a wireless field device mesh network. A centralized software module (CSWM) collects and analyzes values from one or more wireless devices of the wireless field device mesh network representing received RF power measurements on an assigned RF channel and values representing corresponding times of the received RF power measurements. Each wireless device measures received RF power on the assigned RF channel at times other than during reception of a signal resulting in transmission by the wireless device of either an acknowledgment signal or a non-acknowledgement signal. Values representing the received RF power measurements and the corresponding times of the received RF power measurements are determined from the stored received RF power measurements and corresponding times and then discarded. These values are stored within the wireless device until successfully reported. A network manager coordinates communication between the wireless devices and synchronizes the corresponding times of received RF power measurement throughout the wireless field device mesh network.
Owner:ROSEMOUNT INC
System and method for monitoring and measuring end-to-end performance using wireless devices
InactiveUS20060234639A1Efficient storageReceivers monitoringAutomatic exchangesMobile wirelessReal-time computing
A system and method by which a mobile wireless device dynamically decides the other end host to initiate a session to automatically conduct a performance test. Results of the performance test are then transferred to a monitoring server under appropriate conditions. A method for conducting a performance test on a wireless device comprises receiving information indicating how and when a performance test is to be conducted by the wireless device, determining whether the conditions for the performance test to be started are met, conducting the specified performance test, and storing results of the performance test.
Owner:MFORMATION +1
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