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8442443 |
Beam selection method
The present invention relates to a method which analysis the characteristics of the received signal and selects the best beam arrangement for a transmitter/receiver pair for a given situation in a...
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8432849 |
Wireless system performance modeling
An arrangement is provided for modeling the performance of a communication network. One or two sigmoid functions may be used to model the performance of a physical layer versus the SINR of a...
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8422961 |
Beamforming training for functionally-limited apparatuses
A system for configuring antenna systems for selecting directional communication signals corresponding to other apparatuses. A directional communication signal may be selected as the result of a...
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8423014 |
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...
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8417189 |
Frequency-scalable shockline-based VNA
A high-frequency VNA system is provided using non-linear transmission line (NLTL or shockline) based samplers configured to provide scalable operation characteristics. Scaling to adjust noise...
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8416126 |
Obtaining a calibration parameter for an antenna array
Embodiments herein include a method for obtaining a calibration parameter for an antenna array. The antenna array comprises a first and a second radio module with respective associated antennas,...
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8417190 |
Uplink feedback channel reporting mechanism in wireless systems
An uplink feedback channel reporting method is disclosed for using the primary and secondary fast feedback channels to efficiently report the channel quality, MIMO feedback, and CQI types of data...
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8412109 |
Method for characterizing the radio link of RFID tags
The method relates to a method of characterizing a radio link. In the method, a radio frequency interrogator and a first radio frequency transponder, the response of which in an essentially...
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8401543 |
Power switching for electronic device test equipment
An apparatus, system and method are provided for testing a battery-powered electronic device-under-test in a transport frame engaged with a test fixture. A transport frame power supply is arranged...
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8401489 |
Calibrating a telephone hands free system
A calibration device automatically calibrates a telephone hands free system. The device includes a signal processor that processes a received telephone signal that may be converted into audible...
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8395556 |
Method for determining the antenna minimum measurement distance
A method for determining the minimum measurement distance of an antenna of a wireless mobile terminal, comprising the following steps: establishing a test environment of an antenna of a wireless...
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8396499 |
Method and apparatus for measuring state of plurality of channels and for selecting idle channel
A method of measuring a state of a plurality of channels is provided. The method includes transmitting to a second device test signal information needed to transmit/receive a test signal for...
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8396429 |
Communication test device and communication test method
A communication test device can assist in identifying a cause of a change in throughput of a mobile communication terminal. The communication test device accumulates (a) trace data on a specific...
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8391798 |
Apparatus, method, and manufacture for managing scalable and traceable exchanges of content between advertisers and publishers for mobile devices
A service exchange is provided. The service exchange receives text messages (such as SMS messages), such as search queries sent by a user to the service exchange, or a text message sent from the...
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8391810 |
Method and system for measuring and optimizing integrated antenna performance
A method and system for wireless communication is provided and may include transmitting FM radio signals utilizing antenna configurations in a wireless device including a frequency modulation (FM)...
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8385836 |
Method and device in a communication network
There is provided a method of method of estimating a quality of a signal, the method in a first device comprising measuring a signal transmitted from a second device to a third device; determining...
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8385835 |
Systems and methods for conducting EMI susceptibility testing
System and methods for performing EMI susceptibility testing of a device is disclosed. A system may include an EMI generation unit that includes a plurality of EMI generating devices, where each...
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8374552 |
Concurrent testing of multiple communication devices
Testing a plurality of communication devices. A plurality of signals may be received from the plurality of communication devices. The plurality of signals may include a signal from each of the...
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8374555 |
Apparatus and method for compensating the axial ratio of an antenna for testing RFID tags
A method for compensating the axial ratio of an antenna for testing radio-frequency identification (RFID) tags and an apparatus using the method are provided. The method includes the following...
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8369793 |
Channel-dependent scheduling and link adaptation
A mobile terminal measures interference over multiple measurement periods and generates interference probability data based on the statistical distribution of the interference measured. The...
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8364090 |
Method and apparatus for wireless radio frequency test signal generation
Generating a radio frequency test signal for a mobile wireless communication device from a set of scanned radio frequency data that represents a plurality of radio frequency channels over a...
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8351409 |
Timing synchronization in wireless mesh networks
A system for synchronizing time amongst a plurality of wireless network devices in a wireless network is provided, where a message is exchanged between a transmitting wireless device and a...
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8351535 |
Method of feedback information transmission, method and apparatus of data transmission in a wireless communication system having multiple antennas
A method of data transmission from a transmitter of a wireless communication system which uses multiple antennas comprises receiving identification information of a precoding matrix from a...
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8340590 |
Method for conducting radiated performance tests of a wireless device
A test apparatus for conducting a radiated performance test on a wireless device under controlled test conditions, the test apparatus having an anechoic chamber; a test computer; and an interface,...
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8335476 |
Communication system and maintenance method
A maintenance method and system is provided. The method includes providing a device comprising a thru state switch and condition circuits. The device is permanently connected between a feed system...
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8331882 |
VSWR normalizing envelope modulator
A relationship is established between measurable characteristics of the DC power input to a power amplifier and the RF output power level. A power circuit is configured to measure the input supply...
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8325098 |
Dynamic antenna pattern measurement method
A dynamic antenna pattern measurement method. Embodiments of the invention provide for nanosecond or better time resolution and milliradian angular resolution of the dynamic radiation pattern of an...
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8326229 |
Systems and methods for over-the-air testing of wireless systems
Embodiments include systems and methods for over-the-air testing of wireless systems. Embodiments comprise separated anechoic chambers containing wireless devices. The anechoic chambers are...
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8320839 |
Method for testing a mobile-radio device
A method for testing a mobile-radio device is provided. The method includes determination of information regarding at least one real mobile-radio network using a measuring device, and additionally...
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8320838 |
Host-mobile trace synchronization and comparison
Systems and methods are provided for tracing parameters indicative of performance of a mobile device that is not tethered to a host computer. The mobile device is instructed to monitor a...
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8320867 |
Gain in balance measuring apparatus, phase difference corresponding value measuring apparatus, method, program, and recording medium
An object of the present invention is to increase measurement precision for measuring errors of a quadrature demodulator. An error measurement device 10 receives an I signal and a Q signal from a...
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8320852 |
Method and apparatus to transmit signals in a communication system
A method is provided to transmit a signal by a transmitter in a communication system. The method includes predicting a receiver noise signal received from a receiver, and increasing an...
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8315572 |
Automatic antenna selection for mesh backhaul network nodes
Methods and devices related to wireless networking. A wireless device has multiple directional antennas and multiple backhaul radio modules which provide point to point wireless links with other...
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8311486 |
Communication test device and communication test method
A communication test device can assist in identifying a cause of the change in throughput of a mobile communication terminal. The device includes accumulating means for accumulating trace data on a...
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8301162 |
Tag frequency control
A communication system comprising one or more transceiver units of a first type and one or more transceiver units of a second type capable of communicating with the transceiver units of the first...
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8295688 |
Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium
A method of reproducing data from a recording medium, each of the data including reference time information indicating a reference time and including packet data, the method including: reproducing...
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8295777 |
Method and system for automated handoff testing
Methods and systems are disclosed for testing radio-frequency handoffs between two radio-frequency sources by a wireless communication device within an enclosed test chamber. The test chamber may...
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8285223 |
Wireless link status presentation for wireless displays
A deviation from an expected wireless link status between a wireless display device and a local wireless media transmission device is detected via the wireless display device. The local wireless...
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8285221 |
Scalable self-calibrating and configuring radio frequency head for a wireless communication system
A method, a system and a device for implementing a scalable, self-calibrating and configuring, radio frequency head in a wireless base station that performs phase calibration for coherent combining...
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8285222 |
System and method for identification of communication devices
In one embodiment, a system for identifying a communication device includes a signal generator coupled to a transmit horn and a computing system coupled to a receive horn through a receiver. The...
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8280327 |
Receiver capable of reducing local oscillation leakage and in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof
An adjusting method for reducing local oscillation leakage or I/Q mismatch in a receiver includes the steps of: (a) detecting a current extent of local oscillation leakage or I/Q mismatch; (b)...
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8275321 |
Electrical circuits with reconfigurable interferer signal routing
An electrical circuit comprises a source of an interferer signal; at least one component configured for using the signal; at least two electrically parallel conductive paths by which the signal can...
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8270907 |
Method and system for matching an integrated FM system to an antenna utilizing on-chip measurement of reflected signals
Aspects of a method and system for matching an integrated system to an antenna utilizing on-chip measurement of reflected signals are provided. In a chip comprising at least a portion of a receiver...
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8265619 |
Test call automation based on monitoring device state
A communication system for automating test calls in a wireless communication network comprises a test call automation system and at least one wireless communication device. The test call automation...
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8265554 |
Communication device and method using human body
A communication device and method using the human body are provided. The communication device determines an arrangement direction of signal electrodes and ground electrodes according to a signal...
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8265559 |
Method and apparatus for determining modulation levels that are supported on a channel
A logical channel is configured to match a modulation profile of an active channel. A network element is assigned to the logical channel and a ping request is sent to the network element. A...
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8265700 |
Transmitting and receiving method, and radio apparatus utilizing the same
A processing unit transmits, from at least one of a plurality of antennas, data corresponding respectively to the plurality of antennas. A control unit generates request signals with which to let a...
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8265565 |
Communications system employing non-polluting pilot codes
Transmitting non-polluting dummy pilot signals in a wireless communication network permits estimation of the downlink propagation channels between a number of joint transmitters and a lesser number...
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8260234 |
Apparatus and method for calibration in multi-antenna system
Apparatus and method for calibration in a multi-antenna system are provided. The method includes setting at least two transmission paths connected to antennas, respectively, as reference...
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8260319 |
Wireless transceiver
The present invention relates to a method for determining a distance between a wireless transceiver and a wireless receiver arranged to communicate with each other in a wireless communication...
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