Abstract: The present invention is design for testability (DFT) circuitry used with RF transmitter circuitry to enable RF parameter adjustments, which provide compliance with requirements, to configure the RF transmitter circuitry for a particular application or range of applications, and to permanently store adjustment information, configuration information, or both, in non-volatile memory. The DFT circuitry and the RF transmitter circuitry may be used to form a standard RF module, which can be provided to a number of customers for use in a number of applications. The standard RF module may be adjusted, configured, or both during manufacturing, which may eliminate calibrations, adjustments, or configurations by customers.

Abstract: Various embodiments for performing calibration of a mobile computing device are described. In one or more embodiments, a device under test and a calibration test bench may be coupled by at least one of a wireless connection and a wired connection. The device under test may be arranged to receive one or more test command instructions from the calibration test bench and, in response, send an acknowledgment to the calibration test bench. In some embodiments, the device under test and the calibration test bench may be arranged to communicate according to a wireless device calibration protocol. Other embodiments are described and claimed.

Abstract: Some embodiments discussed relate to a method and apparatus, comprising a power amplifier module, a transceiver module coupled to provide a signal to an input of the power amplifier module. The transceiver module comprising an integrated temperature sensor to sense an instantaneous operating temperature of the transceiver and providing a first sensor output signal dependent upon the operating temperature, and an integrated voltage sensor to sense a transceiver supply voltage and generate a second sensor output signal dependent upon the instantaneous transceiver supply voltage, and a processor configured to receive the first and the second sensor output signals, provide a control signal to the power amplifier module to reduce the output power of the power amplifier responsive to the first and the second sensor output signals.

Abstract: 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 and at least a portion of a transmitter, a best impedance match between an antenna and the chip may be determined based on on-chip measurement of one or more signals reflected from the antenna. The best impedance match between the antenna and the chip may be determined utilizing a correction algorithm. The correction algorithm may be determined utilizing data from an external test set that measures signals transmitted by the chip via the antenna. The reflected signals may be routed to a signal analyzer via on on-chip directional coupler. The best impedance match may be determined for each of a plurality of frequencies and/or each of a plurality of transmit signal strengths.

Abstract: The degree of degradation imposed on signals transmitted over a communications link from a transmitter to a receiver is tested. A predetermined test signal is transmitted using spare capacity detected by a voice activity detector when no speech is to be transmitted over the communications link. The test signal received by the receiver is compared with the reference signal, and a measure of the degradation of signals caused by the communications link is generated therefrom.

Abstract: In a wireless communication system using a reference channel used for error rate measurement and associated with a plurality of transport channels multiplexed on a coded composite transport channel (CCTrCH), a method is employed for reselection of the reference channel from favorable candidate transport channels. A channel is initially selected from the plurality of multiplexed channels as the reference channel. Channels are monitored based on quantitative data content criteria to determine whether an ON or OFF state exists. A different channel is selected from the plurality of multiplexed channels as the reselected RTrCH when a better candidate transport channel in the ON state becomes available, or when the monitored RTrCH reflects an OFF state.

Abstract: A method and apparatus are provided for an embedded wireless interface that is embedded in, for example, one of an input and output controller device for controlling input and output communications with off-board devices, within a memory controller device and a processor motherboard. The embedded wireless interface may be utilized as a wireless test access point to provide signal stimulations for test purposes or to monitor communications over a specified wired communication link.

Abstract: A method and apparatus adapted to permit an internal handover from 1900 MHz to 900 MHz under controlled circumstances. Using the method of the present invention, the amount of time needed to disconnect a call of a user equipment (UE) under test, remove the 1800 MHz cell and setup a GSM 1900 MHz cell, allow the UE to perform a search for the 1900 MHz cell, register and establish a new call and then perform tests on GSM 1900 MHz is reduced by several seconds. On a production line in which millions of UEs are manufactured, the time saved by the present invention allows for significant savings in production costs.

Abstract: A method, wireless communication device, and a base station calibrate relative phase of a plurality of output signals from respectively combined plurality of transmitters (302, 204) in the wireless device (102, 108). An output of a combiner (346) is disconnected (504) from an antenna port (306) of a wireless device (102, 108). A phase position of an output signal from one of the at least two transmitters is set to an initial phase position value (506). The phase position of the output signal is incremented by a given phase increment value until a final phase position value is reached (510). Occurrences of reverse power alarm events are monitored at the initial phase position value, at each incremental phase position value, and at the final phase position value (512). A phase position value for the output signal is selected (516).

Abstract: 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 connected by propagation path corridors.

Abstract: A system and method of testing the audio performance of an acoustic device is provided. To test a device microphone, an audio signal is generated, provided to an external speaker, outputted to the device microphone, and routed to an auxiliary input/output device where it is outputted and analyzed. To test a device speaker, an audio signal is generated, inputted to an auxiliary input/output device, routed to the device speaker, outputted to an external microphone, and outputted to an audio analyzer.

Abstract: A transmitter, including at least two transmitter units, each transmitter unit being configured to input an instance of a digital transmit signal, to convert the digital transmit signal to an analog radio signal, and to amplify the analog radio signal. The transmitter is configured to determine a timing difference between the amplified signals, and to adjust timing of at least one of the input signals, so that a predetermined criterion is fulfilled.

Abstract: In order to mount a mobile phone in a test device, the current between the battery unit and the phone unit is fed through a switch unit. The switch unit contains at least one switch for interrupting the current, e.g. for resetting the mobile phone after malfunction.

Abstract: 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 measuring the state of the plurality of channels; receiving an information received response from the second device, indicating that the second device has received the test signal; if the information received response is received, transmitting the test signal to the second device, using the test signal information, via the plurality of channels; and receiving from the second device the state information regarding the plurality of channels which has been measured by using the test signal.

Abstract: Methods and systems for packet-by-packet directional mobile wireless transmission utilizing plurality of directional antenna sectors, such that, the transmission of each packet is performed by at least one selected antenna sector. The direction of transmission is selected responsive to the direction in which the best electromagnetic signal reception was received. For each plurality of data packets, the transmission direction is selected again. Switching logic is coupling the out going transmission signal to selected ones from the plurality of the antennas responsive to the motion of the mobile user. The antenna design in this invention is aimed at increasing the gain and minimizing the interfering signals with respect large number of mobile users who are concurrently and continuously tracking and communicating with their access points, and consequently, increasing the bit rate of each transmission and the aggregate capacity of the wireless system.

Abstract: The present invention relates to testing cell phones that simulates network conditions. In particular, it relates to new testing capabilities for simulating changes in correlation characteristics of signal components delivered to a cell phone. Correlation characteristics express changing environmental conditions and physical relationships among antennas in the cell phone and at base stations.

Abstract: A method and a system for determining the amplitude and/or the phase of the output signal of a transmission link dependent upon the amplitude of the input signal (AM-AM and/or AM-PM characteristic) impresses a test signal (s(t)) on the transmission link, measures the response signal (e(t)) resulting from the test signal (s(t)) by amplitude and/or phase distortion in the transmission link and determines the amplitude response (|e(t)|) of the response signal (e(t)) and/or the phase responses (?S(t), ?E(t)) of the test signal (s(t)) and of the response signal (e(t)) dependent upon the amplitude response (|s(t)|) of the test signal (s(t)). The amplitude response (|s(t)|) of the test signal (s(t)) consists of several first and second response segments with constant amplitude values over the duration (?T) of the respective first or second response segment.

Abstract: A method and a system for determining the dependence between several device-parameter values in each case of at least one device parameter of a mobile telephone (31, 32, . . . , 3m, 3n) and at least one signal parameter of a signal transmitted and/or received by the mobile telephone (31, 32, . . . , 3m, 3n) adjusts several device-parameter values within a mobile telephone (31, 32, . . . , 3m, 3n) of at least one device parameter of the respective mobile telephone (31, 32, . . . , 3m, 3n) for a given number of frequencies of the respectively transmitted and/or received signal, and measures the associated signal parameters of a signal transmitted and/or received by the respective mobile telephone (31, 32, . . . , 3m, 3n). All of the frequencies and the device-parameter values of at least one device parameter respectively associated with every frequency are present in the respective mobile telephone (31, 32, . . . , 3m, 3n) at the start of the measurements.

Abstract: A method for automatically identifying wireless signal quality of a region includes receiving signal quality information associated with wireless signals received by each of a plurality of mobile endpoints and receiving location information identifying locations of each of the plurality of mobile endpoints. The method also includes, based on the received signal quality information and the received location information, identifying a first region of an area, the first region having a first signal quality.

Abstract: A radio receiving apparatus and a reference signal on an unused unit band measurement method wherein QoS can be maintained and measured in a wireless communication system that simultaneously uses first and second frequency bands, each of which includes a plurality of unit bands, to transmit a series of data signal sequences. In a terminal (100), a measurement executing part (150-1) measures, during a first measurement interval overlapping with the second data reception interval and time-divided together with the first data reception interval, the reception power of a reference signal on an unused unit band transmitted over a unit band other than a first used unit band in the first frequency band. In this way, the terminal (100) can execute a data communication with a source base station (200) over any one of the frequency bands at any timing, which can reduce the delay of a downstream signal transmission. That is, a terminal (100) can be realized which can maintain and measure QoS.

Abstract: Embodiments of methods receiving circuits and apparatuses compensate for an IQ mismatch using a test signal positioned in a guard band. One embodiment of a method can include converting a sum of a received signal and a test signal positioned in a guard band to a first signal and a second signal of an intermediate frequency or a base band using an IQ mixer, detecting the IQ mismatch using the test signal respectively included in subsequent signals corresponding to the first signal and the second signal and compensating for the detected IQ mismatch using the IQ mismatch.

Abstract: A system and method for detecting and recording events related to the quality of service experienced by a wireless device in a wireless network. In one example, these events may be detected and recorded by the wireless device, without support from the network. Performance monitoring tests may be initiated by the wireless device at the direction of a management server, independent of the network in which the device may be operating. The wireless device may store the results of these tests and report the results to the management server.

Abstract: Aspects of a method and system for matching an integrated FM system to an antenna utilizing on-chip measurement of reflected signals are provided. In this regard a portion of a signal output by an integrated FM radio transmit block and reflected by an antenna may be routed to an on-chip signal analyzer. Accordingly, measurements of the reflected signals may be utilized to configure a matching network in order to provide a best impedance match between the FM radio and the antenna. In this regard, a best impedance match may maximize radiation efficiency and/or radiated power. Additionally, the configuration of the matching network may incorporate a correction algorithm/offset experimentally determined via a calibration utilizing external components.

Abstract: A method (38) and system (56) evaluate the accuracy of an Automatic Location Identification (ALI) system (36) deployed within an environment (20) and configured to location a wireless communication device (24) originating an emergency call (22) through a wireless communication network (26). The method (38) includes a subprocesses that identify a validation region (144) in which a service area (106) of a public service answering point (PSAP) (32) and an RF coverage area (129) overlap, classify sub-regions within the validation region (144) according to a predetermined set of test scenarios (148) representing unique calling environments, and select test points (200) within the validation region (144) from which test calls, that simulate emergency calls, will be performed.

Abstract: A method for performing an radio frequency test of a mobile phone (5) includes: setting standard parameters of a transmitter (52); controlling an RF tester (3) to send RF signals to a receiver (53); processing the RF signals and transmitting the processed RF signals to the transmitter, reprocessing the processed RF signals and transmitting the reprocessed signals to the RF tester; obtaining resulting parameters of the RF performance of the transmitter; determining whether the RF performance of the transmitter is acceptable; setting standard parameters of the receiver; controlling the RF tester to send RF signals to a combiner (4), and controlling a disturbance source (2) to send channel noise to the combiner; generating combined signals by combining the RF signals and the channel noise, and transmitting to the receiver; obtaining resulting parameters of the RF performance of the receiver; and determining whether the RF performance of the receiver is acceptable.

Abstract: In accordance with some embodiments, methods for controlling the second order intercept point in a receiver are provided, the methods comprising: generating an amplitude modulated test tone; causing the test tone to be received by a receiver; determining a characteristic of a second order intercept point of the receiver based on the received test tone; and based on the characteristic, adjusting a parameter of the receiver. In accordance with some embodiments, systems for controlling the second order intercept point in a receiver are provided, the systems comprising: a test tone generator that generates an amplitude modulated test tone; a receiver that receives the test tone; a correlator that determines a characteristic of a second order intercept point of the receiver based on the received test tone; and digital logic that, based on the characteristic, adjusts a parameter of the receiver.

Abstract: An apparatus and a method for measuring a signal from a femto Base Station (BS) of a User Equipment (UE) registered to the femto BS in a mobile communication system are provided. An operating method of a femto BS for measuring the signal from the femto BS of a UE registered to the femto BS in a mobile communication system where the femto BS and a macro BS coexist, includes, when the UE registered to the femto BS is located in a service coverage area of the macro BS, generating a paging message informing of the existence of the femto BS, and sending the generated paging message to the UE. The UE measures the signal from the femto BS based on the paging message, generates a measurement report message including a measurement result, and sends the generated measurement report message to the macro BS.

Abstract: Methods and systems for auto detecting and auto switching antennas in a multi-antenna FM transmit/receive system are disclosed and may include detecting when an external antenna may be coupled to an external port of the wireless device and utilizing the external antenna for transmitting and/or receiving FM signals. The decoupling of an external antenna from an external port may be detected, which may cause the FM radio transmitter/receiver to be configured to transmit and/or receive FM signals utilizing antennas internal to the wireless device. One or more test signals, which may include AC signals, may be generated within the chip for detecting whether an external antenna may be coupled to an external port. A reflected signal from an external port may be measured and compared to a prestored value corresponding to a reflection due to an open circuit at the one or more external ports of the wireless device.

Abstract: A method is used for deployment of a wireless infrastructure. The method comprises deploying a plurality of access ports in a facility based on a layout that depends on a type of the facility. The method comprises receiving at least one parameter from at least one of the plurality of access points. The method comprises dynamically determining settings of the plurality of access points based on the at least one parameter.

Abstract: A reception device configured to receive a signal of a transmitted bit string transmitted from a transmission device which transmits a bit string includes: a receiving unit arranged to receive a signal from the transmission device and output a received bit string corresponding to the transmitted bit string; a storing unit arranged to store an error rate table wherein said received bit string is correlated with an error rate of post-data which is data of one bit or greater received following the received bit string being in error; and an error correcting unit arranged to perform error correcting of the post-data of the received bit string.

Abstract: A radio frequency (RF) communications device is provided. The RF communications device includes transmitter circuitry configured to generate a calibration signal on a signal line coupled to an antenna port in a calibration mode of operation and an RF output signal for broadcast across the antenna port subsequent to the calibration mode of operation, tuning circuitry coupled to the signal line and configured to receive the calibration signal, and a controller configured to adjust a signal level of the calibration signal generated by the transmitter circuitry and a tuning of the tuning circuitry during the calibration mode of operation. The transmitter circuitry, the tuning circuitry, and the controller are at least partially integrated on the same integrated circuit.

Abstract: A wireless communication performance test method for testing a performance of a wireless processor which is arranged in a wireless transmission device for performing a transmission and reception operation of a wireless signal, includes operations of transmitting, performing, and measuring. The operation of transmitting is for transmitting, to the wireless processor, a wireless signal including control information for controlling the transmission and reception operation performed by the wireless processor from a wireless transmission test use measurement device for measuring a wireless transmission performance of the wireless processor. The operation of performing is for performing the transmission and reception operation in the wireless processor based on the control information extracted from the wireless signal transmitted from the wireless transmission test use measurement device.

Abstract: [Problem] To provide a band stop filter unit, a mobile communication terminal test system, and a mobile communication terminal test method that are flexibly adaptable to the addition/change of a specification in a frequency band for mobile communication. [Means for Resolution] There are provided a first variable filter (102) and a second variable filter (103) which are connected to each other in series, respectively have YIG elements to vary tuning frequencies (f1 and f2), and attenuate the desired signal within predetermined bandwidths (?BW1 and ?BW2) having centers of the tuning frequencies. The tuning frequency (f1) and the tuning frequency (f2) are controlled to be the same as each other or around each other when the desired signal is located at a low frequency band side.

Abstract: In accordance with an example embodiment of the present invention, a method is disclosed that comprises receiving a reference signal from each of at least two target neighbor cells via at least one receiving branch at a user equipment; estimating a timing range based at least on one of a timing advance for a serving cell and an inter-cell distance between the target neighbor cell and the serving cell; computing a reference signal time difference for the received reference signal from the target neighbor cell; and screening the computed reference signal time difference using the estimated timing range.

Abstract: A mobile communication terminal includes a folder unit or a slider, where an input unit is located on or included on a surface of the folder unit or slider, and the input unit includes at least one function key that generates a scroll signal that is used to scroll through the content data stored in a memory.

Abstract: An apparatus and method for providing measurement assistance in a survey of a wireless communication network includes a first step (1) of defining a scope of measurement targets to complete the survey. A next step (2) includes measuring an RF parameter at a specific spatial coordinate. A next step (3) includes analyzing the measurement to determine if the measurement is valid. A next step (5) includes storing the measurement. A next step (6) includes recommending further measurement locations for survey completeness. A next step (4) includes determining whether the survey is complete. A next step (7) includes implementing the wireless communication network in accordance with the final survey.

Abstract: A signal measurement system tests an RF component in an RF test facility, such as an RF anechoic chamber. The system includes a repeater which is connected to an exterior antenna disposed outside the chamber and a transmitting antenna disposed inside the chamber. The repeater receives the RF broadcast signal from the exterior antenna and rebroadcasts it as an RF testing signal inside the chamber. The subject antenna receives the RF testing signal, which is then analyzed with a computer. The repeater may also modify the RF testing signal to produce a wide variety of test situations that mimic those available in a traditional field-test.

Abstract: A digital demodulating apparatus comprises a tuner constituted by circuit elements to perform channel select processing to a signal; a demodulator that performs demodulation processing to a signal output from the tuner; a power supply unit that supplies a normal power to each circuit element, and supplies to the circuit element a test power different from the normal power, over a first time period in place of the normal power; a test noise measuring unit that measures the intensity of test noise contained in a signal to be output from the tuner, when the power supply unit supplies the test power over the first time period; a comparing unit that compares the intensity of the test noise measured by the test noise measuring unit with a noise reference value as a reference for updating of the normal power; and a power updating unit that updates the intensity of the normal power on the basis of a result of the comparison by the comparing unit.

Abstract: A method is used for a testing device to test the Bluetooth function of an electronic device and comprises the following steps. The testing device receives a password from the electronic device. The password is predetermined by the electronic device, and a first file is stored in the electronic device. The testing device sends the received password to the electronic device. The testing device receives the first file from the electronic device and saves as a second file. A third file is stored in the testing device. The testing device judges whether the second file is same as the third file.

Abstract: A method of adapting a radio network model to conditions of a real radio network consists of the following steps: defining different measuring positions; carrying out measurements of variables at the different measuring positions, thereby generating measured data; providing position-dependent modelling values, using the measured data for the modelling values from the real radio network obtained at the measuring positions; setting a fine grid in a radio cell, defining small area portions, wherein one or more of the modelling values is attributed to each area portion by the radio network model. Mathematical operations are then established for modifying the modelling values of all area portions of the fine grid by adapting the modelling values to the measured data. In this manner, the mathematical operations are for each area portion and directly dependent on the measured data and the position of the respective area portions.

Abstract: A Radio Frequency (RF) transceiver includes a first RF transceiver group, a second RF transceiver group, local oscillation circuitry, and calibration control circuitry. Each of the RF transceiver group has an RF transmitter and an RF receiver. The local oscillation circuitry selectively produces a local oscillation to the first RF transceiver group and to the second RF transceiver group. The calibration control circuitry is operable to initiate calibration operations including transmitter self calibration operations, first loopback calibration operations, and second loopback calibration operations. During loopback calibration operations, test signals produced by an RF transceiver group are looped back to an RF receiver of another RF transceiver group.

Abstract: Apparatus, methods, processors and computer readable media for determining the wireless network access performance or capability of a wireless device. Embodiments include a wireless device having a computer platform with a processing engine operable to generate a plurality of network access performance data during processing activities on the wireless device. The wireless device further includes a network access performance module operable to collect selected ones of the plurality of network access data associated with a predetermined data processing capability of the wireless device, and based on a predetermined collection configuration. The embodiments may also include an apparatus operable to generate the predetermined collection configuration, and operable to receive the collected network access data and to generate a performance report characterizing the network access performance or capability of the wireless device.

Abstract: A method is disclosed for locating a transmitter site location area and identifying optimal transmitter sites within the area that have favorable characteristics to allow for FM signals to be transmitted to cover a radio market. Through use of FCC tables, the required distance from a proposed station to any co-channel, adjacent channel, and IF spaced stations are determined. The area is determined by utilizing city of license criteria where proposed stations can be located and plotted on the map. Candidate station locations with favorable height within the area are determined. Each candidate station location is tested to predict coverage and path profile.

Abstract: 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 and an antenna. The device receives a first control signal and disables a connection between the analyzer and the antenna. The device receives additional control signals and enables conditions. The device generates altered responses of the feed system. The altered responses are associated with the conditions. The altered responses are used to normalize an analyzer and the feed system or troubleshoot a communication system.

Abstract: To suppress, when communication is performed between two radio stations, interference on other radio stations located in the vicinity of them. A femto base station 1 communicates with a femto mobile station 3-1. The femto base station 1 includes a radio transmission/reception unit 11 and a radio resource control unit 15. The radio transmission/reception unit 11 measures reception quality of an uplink signal that is transmitted from a macro mobile station 3-2, which connects to and communicates with a macro base station 4, to the macro base station 4. The radio resource control unit 15 calculates an estimated loss value LE relating to a propagation loss LP between the macro mobile station 3-2 and the femto base station 1 by using a measured value of reception quality by the radio transmission/reception unit 11.

Abstract: An RF switch is used in the signal path to an amplifier, for example between a receiving antenna and an amplifier. The switch is used to alternately connect the amplifier between a normal signal source for the amplifier and a fixed load for calibration. The power difference between the two switch states at the output of the amplifier would then yield a calibrated measurement of a signal value, such as rise over thermal (RoT). The amount of time spent in the calibration position is maintained at a minimized level so as to reduce impact on the normal operation of the amplifier. The invention provides an ability to estimate traffic load in a repeater system based on RoT measurements of repeater reverse-link output power by determining a reverse link gain.

Abstract: A test equipment for testing a wireless communication device includes a wireless transceiver and a controller. The wireless transceiver transmits a first series of packets while operating in a first mode. The wireless transceiver transmits a second series of packets while operating in a second mode. The wireless transceiver receives acknowledgment packets. The controller controls the transceiver to transmit the first series of packets. The controller counts the acknowledgment packets received by the transceiver in response to transmitting each of the first series of packets. The controller controls the transceiver to transmit the second series of packets when the count exceeds a predetermined count.

Abstract: The invention relates, inter alia, to a method in which, by reducing the spectral power density in an underfrequency range (UB) of a transmitting/receiving unit, the fact that the underfrequency range (UB) should not be used to send data is indirectly transmitted. This method is particularly suitable for xDSL processes.

Abstract: Method for user-aided communication evaluation and performance and for producing a quality report regarding a communication connection entails signaling of a services provider by a first endpoint user in real-time entails establishing a first communication link between the first endpoint user and a second endpoint user. A second communication link between the first end point user and the services provider is determined. The methods continue by analyzing of the first and second communication links for quality by the services provider and generating statistics based on the analysis for quality in the connection. The methods can conclude by producing a quality report using those statistics. The quality report can initiate an immediate response in real-time or can be stored for a later response.

Abstract: A delay means, in response to a delay control signal, performs delay control of the phase of a clock input signal, and outputs it. A selector means, during a speed test, selects a clock input signal from among a clock input signal from a delay unit, and the input signal from an external terminal. A conversion means samples the signal outputted from the selector means based on the sampling clock signal, converts a signal format and outputs it. A clock data recovery means generates a sampling clock signal having a phase depending on the signal inputted to the conversion means, and supplies it to the conversion means. By monitoring the control code for controlling the phase of the sampling clock, a correlation is obtained between a delay variation amount and a code variation amount, and a speed test is performed.