Abstract: A home appliance is disclosed, including a first circuit unit including a converter configured to convert an Alternating Current (AC) power into a Direct Current (DC) power, a first coil, a first modulator/demodulator configured to wirelessly transmit the DC power generated by the converter using the first coil, and a first controller configured to control the first modulator/demodulator, and a second circuit including a second coil configured to receive a wireless power transmitted by the first circuit unit, a second modulator/demodulator configured to convert the wireless power received from the second coil, a rectifier configured to rectify an AC power generated by the second modulator/demodulator, and a second controller configured to control operation of the second modulator/demodulator, wherein the first modulator/demodulator and the second modulator/demodulator perform bidirectional time-division data communication.

Abstract: A data classification device includes an estimation unit that estimates, for each of one or more classes provided for learning data pieces in a feature-amount-data space that includes multiple learning data pieces, probability densities of learning data pieces belonging to the class and learning data pieces not belonging to the class around a judgment target data piece in the feature-amount-data space, a calculation unit that calculates, based on the probability densities, an index indicating how much the judgment target data piece is likely to belong to the class, and a judgment unit that judges which class the judgment target data piece belongs to by using the index. Based on distribution of positive data pieces belonging to the class and negative data pieces not belonging to the class around the judgment target data piece, the estimation unit determines a size of a region used for the estimation.

Abstract: Apparatuses, systems, and methods for a wireless device to perform user equipment (UE) initiated beam management procedures with a base station or gNB. A wireless device in communication with a 5G base station may detect degradation in the pair of transmit and receive beams between the gNB and the device. The device may select a preferred beam management procedure and indicate the preference to the gNB.

Abstract: The disclosure relates to detecting phase slips in a data link. An apparatus may perform a frame resynchronization when a phase slip is detected. The apparatus may generate a reference phase signal that is compared to incoming data frames to determine whether a phase slip occurred and characterize the phase slip. The counter may be based on a recovered receiver clock, thereby counting an actual number of bits received, and may wrap based on the frame size. A value of the counter latched to an incoming frame before the frame resynchronization may be compared to a latched value of the counter after the frame resynchronization to determine whether a phase slip, a size of the phase slip, and a direction of the phase slip.

Abstract: Methods, systems, and devices for wireless communication are described. A method may include obtaining a first channel quality indicator (CQI) backoff value based on a first set of acknowledgment messages associated with a first subframe of a first interval; setting a modulation and coding scheme (MCS) of a first subframe of a second interval using the first CQI backoff value; obtaining a second CQI backoff value based on a second set of acknowledgment messages associated with a second subframe of the first interval; and setting a MCS of the second subframe of the second interval using the second CQI backoff value.

Abstract: The present application discloses a method for feeding back channel state information (CSI), comprising: acquiring first and second CSI based on a first and a second CSI measurement resource respectively, obtaining a channel quality indicator (CQI) based on the first CSI and the second CSI, wherein the first CSI comprises a first and a second type of precoding matrix indicator (PMI1 and PMI2) and a first rank indicator (RI1), and the second CSI comprises a first and a second type of PMI (PMI3 and PMI4) and a second RI (RI2); and feeding back third CSI to a base station, wherein the third CSI comprises third PMI information, third RI information, and the CQI, wherein the third PMI information is obtained based on at least three of the PMI1, the PMI2, the PMI3, and the PMI4, and the third RI information is obtained based on the RI1 and the RI2.

Abstract: An information configuration method, an information configuration apparatus and a communication system, wherein the method includes: the base station configures a user equipment (UE) with a mapping relation between configuration information of one or more sets of reference signals and indication information indicating the configuration information according to an antenna port formed by virtualizing a two-dimensional planar antenna array. By configuring the UE with the configuration information by the base station according to the antenna port formed by virtualizing the two-dimensional planar antenna array, the configuration information is adaptive to the two-dimensional planar antenna array, such that the user end accurately acquires the configuration information of the array.

Abstract: An Ethernet transceiver includes physical-layer (PHY) circuitry and a signal-loss detector. The PHY circuitry is configured to receive a signal from a peer transceiver, to process the received signal in a series of digital PHY-level processing operations, and to output the processed signal for Medium Access Control (MAC) processing. The signal-loss detector is configured to receive, from the PHY circuitry, a digital version of the received signal, and to detect a signal-loss event based on an amplitude of the digital version of the received signal.

Abstract: A network node (15) is configured to switch data packets between a Remote Radio Unit (2) and a Digital Unit (4). The network node comprises one or more input port (33) configured to receive said data packets (52a) and receive further packets having a destination other than one of a Remote Radio Unit and a Digital Unit. One or more output port (35) is configured to transmit said data packets and said further packets. A scheduler (31) is configured to control transmission from the output port according to a scheduling cycle (41a). The scheduler is configured to schedule only said data packets to be transmitted in a first period of the scheduling cycle, and schedule one or more of said further packets to be transmitted in a separate second period of the scheduling cycle.

Abstract: Disclosed are various embodiments for a system and method of measuring and characterizing a PLC communication network comprising transmitting a plurality of packets from a PLC master device to a PLC terminal device via a PLC communication network, measuring a plurality of round-trip time (RTT) timestamps for the plurality of packets in the PLC master device, determining an observed probability density function based on the plurality of RTT timestamps, approximating a plurality of probability density functions, determining a rating for the probability density functions based on a comparison of the probability density functions to the observed probability density function, characterizing the PLC communication network based on the ratings of the plurality of probability density functions, and scheduling subsequent transmissions based on the characterization of the PLC Communication network.

Abstract: There is disclosed a method performed by a wireless device for updating an allocated search space for downlink control information. A corresponding wireless device is also disclosed. There is also disclosed a method performed by a radio network node to enable a wireless device served by the radio network node to perform an update of a search space allocated to the wireless device to monitor for downlink control information. Also provided is a corresponding radio network node. Corresponding computer programs and apparatuses are also disclosed. One particular advantage of the disclosed is that it enables a more tailor made search space for a wireless device.

Abstract: According to some embodiments, a plurality of heterogeneous data source nodes may each generate a series of current data source node values over time that represent a current operation of an electric power grid. A real-time threat detection computer, coupled to the plurality of heterogeneous data source nodes, may receive the series of current data source node values and generate a set of current feature vectors. The threat detection computer may then access an abnormal state detection model having at least one decision boundary created offline using at least one of normal and abnormal feature vectors. The abnormal state detection model may be executed, and a threat alert signal may be transmitted if appropriate based on the set of current feature vectors and the at least one decision boundary.

Abstract: A method of reducing crosstalk into a victim line from disturber lines in a communication system may include obtaining a pilot matrix and a measurement vector associated with the pilot matrix, the pilot matrix representing pilot signals transmitted by at least the disturber lines, the measurement vector being influenced by the pilot signals via the crosstalk; estimating estimated crosstalk coefficients of significant ones of the disturber lines by solving a reduced linear system using only non-clipped measurements in the measurement vector, the reduced linear system being derived from the pilot matrix; determining compensation coefficients to reduce the crosstalk based on the estimated crosstalk coefficients; and reducing crosstalk by one or more of pre-compensating signals transmitted on the victim line and post-compensating signals received on the victim line based on the compensation coefficients.

Abstract: This disclosure falls into the field of voice communication systems, more specifically it is related to the field of voice quality estimation in a packet based voice communication system. In particular the disclosure provides a method and device for 5 reducing a prediction error of the voice quality estimation by considering the content of lost packets. Furthermore, this disclosure provides a method and device which uses a voice quality estimating algorithm to calculate the voice quality estimate based on an input which is switchable between a first and a second input mode.

Abstract: Techniques, including systems and methods, for testing systems utilize a decoupled architecture. A device for administering a test on a system is decoupled from one or more other devices that apply a load on the system as part of the test. The one or more devices that apply the load on the system and the system itself may be located in a common facility. The one or more devices that apply the load on the system may apply the load in a manner specific to one or more applications executing on the system.

Abstract: The present disclosure provides methods and systems for automated analysis of spectrometry data corresponding to particles of a sample, such as large data sets obtained during single particle mode analysis of an inductively coupled plasma mass spectrometer (SP-ICP-MS). Techniques are presented herein that provide appropriate smoothing for rapid data processing without an accompanying reduction (or with an acceptably negligible reduction) in accuracy and/or precision.

Abstract: A security system for quantitatively verifying a condition of items in a special collections inventory includes a scale in connection with an index of special collection items. Every item in the index has a unique weight within a collection. The scale takes a current weight measurement of a special collections item and automatically reports the current weight measurement to the computing device hosting the index. Using the current weight measurement, the index is searched for a given item by comparing the current weight measurement with a set of indexed reference weights. In response to a match being detected between the current weight measurement and a reference weight among the set of indexed reference weights, a physical condition of the given item—corresponding with the reference weight—is verified as being intact.

Abstract: To enable use of channel related information more suitable for propagation environment. A wireless communication apparatus according to an example aspect of the present invention includes: a memory storing instructions; and one or more processors configured to execute the instructions to: acquire correlation information regarding correlation between first channel related information generated through channel estimation for a first estimation period and second channel related information generated through channel estimation for one or more estimation periods before the first estimation period; and perform control for a statistic of channel related information, based on the correlation information.

Abstract: A processing module for a receiver device configured to provide for processing of a frame received by the receiver device from a transmitter device, the at least one frame comprising a plurality of repeating predetermined synchronization symbols for providing synchronization between the processing module and the transmitter device and one or more start-of-frame symbols defining the end of the synchronization symbols, the processing module configured to: perform cross correlation to obtain a cross-correlation function on i) at least a part of the received frame; with ii) a predetermined modulation sequence used to modulate the one or more start-of-frame symbols and not the synchronization symbols; and determine the location of the start-of-frame symbols based on an increase, above a threshold increase, in the cross-correlation function from a negative cross-correlation with the synchronization symbols to a greater cross-correlation with the part of the received frame containing the start-of-frame symbols

Abstract: A multi-antenna test system is provided. The multi-antenna test system includes a device under test and at least four antenna devices. The at least four antenna devices are spaced apart in a fixed angular relationship with respect to the device under test to create different certain angular relations between each pair of the at least four antenna devices.

Abstract: Examples disclosed herein relate to a mechanism for dynamically adjusting wait time values. Some disclosed examples enable transmitting, by a source entity, a request for an action to a target entity. The action may be generated by the source entity. Some examples enable identifying a first wait time value for the source entity that indicates an amount of time that the source entity is allowed to wait for a response from the target entity between the transmission of the request and a timeout state. Some examples may enable dynamically adjusting the first wait time value based on an entity specification of the source or target entity to generate a second wait time value. Some examples may enable allowing the source entity to wait for the response from the target entity for at least the amount of time indicated in the second wait time value.

Abstract: A method includes capturing multivariate time-series data comprising two or more data sets from a system captured over a past time period and a present time period, applying at least two sliding time windows to the multivariate time-series data in determining respective data matrices, computing an orthonormal matrix for each of the data matrices, wherein the orthonormal matrix is a signature of fluctuation patterns of a respective data matrix, computing a difference between at least two of the data sets in the past and the present time periods through the orthonormal matrices, and detecting a fault in at least one of the systems by comparing the difference to a threshold.

Abstract: Some embodiments include a system for simulating electromagnetic environments that includes a channel emulator having a plurality of outputs, each output associated with a different operational path. Each operational path has a power amplifier, an antenna and a first coupling mechanism. The power amplifier is coupled to an output of the channel emulator. The antenna is in communication with a test region of the apparatus. The first coupling mechanism simultaneously couples power to the antenna and to a first measurement path when the operational path is coupled to the test region, so that a calibration state of the operational path can be determined and adjusted without interruption of a signal coupled to the antenna in the operational path.

Abstract: The present disclosure relates to an active noise control (ANC) system. In accordance with one aspect of the invention, the ANC system includes a plurality of microphones and a plurality of loudspeakers. Each microphone is configured to provide an error signal that represents a residual noise signal. Each loudspeaker is configured to receive a loudspeaker signal and to radiate a respective acoustic signal. The ANC system further includes an adaptive filter bank, which is supplied with a reference signal and configured to filter the reference signal to provide the loudspeaker signals as filtered signals. The filter characteristics of the adaptive filter bank are adapted such that a cost function is minimized. The cost function thereby represents the weighted sum of the squared error signals.

Abstract: Provided is a method of determining timing of arrival of a signal on a path to a receiver in a mobile wireless communications system. The method comprises obtaining a channel impulse response (CIR) of a signal received at the receiver and deriving a power characteristic of the CIR. The method includes producing a first derivative of the power characteristic with respect to time, selecting some or all extrema from the first derivative of the power characteristic as indicative of candidate signal paths, and selecting one or more of said candidate signal paths. The method preferably includes determining timing of arrival of a signal on a first path of arrival at the receiver by assessing an energy value of each of said candidate signal paths against a threshold value.

Abstract: A method and apparatus for a novel adaptive equalization technique for a Serializer/Deserializer receiver is disclosed. In one approach, adjustment of AC and DC gains is performed before DFE coefficients are adjusted. Further after the equalization an electrical idle threshold may be set based on the results of the equalization.

Abstract: An oscilloscope acquisition system comprises a trigger unit that is configured to receive an input signal and to generate an output signal, a frequency determination unit that is configured to receive the output signal and to determine the frequency of the output signal, and a time determination unit that is configured to determine a dynamic auto-trigger time value, wherein the time determination unit is configured to derive the dynamic auto-trigger time from the frequency of the output signal.

Abstract: An example of the present disclosure provides a method and User Equipment (UE) apparatus for measuring a Channel State Indication (CSI)-Reference Signal (RS), by utilizing multiple CSI-RS resources, which includes: receiving, by a User Equipment (UE), a signaling, in which the signaling indicates a multiple CSI-RS resource combination, which corresponds to a CSI-RS Reference Signal Receiving Power (RSRP), and/or, a CSI-RS Reference Signal Receiving Quality (RSRQ), and corresponding configuration information; obtaining, by the UE, a resource location corresponding to the obtained multiple CSI-RS resource combination, and the corresponding configuration information from the signaling; measuring, by the UE, the CSI-RS at the corresponding resource location, and reporting a measurement result.

Abstract: A test device includes a data driver and a controller. The controller is configured to generate a test code by dividing a test sequence in a unit of n-bits. The data driver is configured to receive the generated test code and output one of input voltages to a device under test as a test signal based on the generated test code. A storage device stores a test sequence.

Abstract: Many processes for audio signal processing can benefit from voice activity detection, which aims to detect the presence of speech as opposed to silence or noise. The present disclosure describes, among other things, leveraging energy-based features of voice and insights on first and second formant frequencies of vowels to provide a low-complexity and low-power voice activity detector. A pair of two channels is provided whereby each channel is configured to detect voice activity in respective frequency bands of interest. Simultaneous activity detected in both channels can be a sufficient condition for determining that voice is present. More channels or pairs of channels can be used to detect different types of voices to improve detection and/or to detect voices present in different audio streams.

Abstract: A system configured to perform operations that receive an indication of a power event occurring at a first device for an online identity. The power event causes the first device to switch from an external power source to an internal battery. The first device represents that the online identity is online while the first device receives power from the internal battery. The operations can further evaluate a priority value of an online contact for the online identity against a threshold value and hold, at a second device, at least one status update for the online contact while the first device receives power from the internal battery in response to evaluation of the priority value against the threshold value. The operations can further release, for transmission to the first device, the at least one status update in response to determination that the first device switches back to the external power source.

Abstract: Systems and methods for outer loop Link Adaptation (LA) with bundled feedback are disclosed. In some embodiments, a method of operation of a radio access node in a cellular communications network to provide outer loop LA includes receiving, from a wireless device, a bundled feedback acknowledging reception of data by multiple Hybrid Automatic Repeat Request HARQ) processes at the wireless device. The method also includes, in response to receiving the bundled feedback, updating an outer loop LA parameter based on the number of HARQ processes in the HARQ processes and/or a metric indicative of channel correlation for a channel from the radio access node to the wireless device.

Abstract: Methods and systems for I/Q mismatch calibration and compensation for wideband communication receivers may comprise receiving a plurality of radio frequency (RF) channels, downconverting the received plurality of received RF channels to baseband frequencies, determining and removing average in-phase (I) and quadrature (Q) gain and phase mismatch of the downconverted channels, determining a phase and amplitude tilt of the downconverted channels with removed average I and Q gain and phase mismatch, and compensating for said phase and amplitude tilt I and Q gain and phase mismatch of the downconverted channels. The determined phase tilt may be compensated utilizing a phase tilt correction filter, which may comprise one or more all-pass filters. The average I and Q gain and phase mismatch may be determined utilizing a blind source separation (BSS) estimation algorithm.

Abstract: Techniques for wireless transmitter location detection are described. An apparatus may comprise a processor circuit and a location database generator component. The location database generator component may comprise: a logging component operative on the processor circuit to receive a plurality of location data packages, the location data packages comprising locations and associated wireless transmitter identifiers, and to log the location data packages into a location database, the location database comprising a plurality of tuples of the locations and the wireless transmitter identifiers; and an analysis component operative on the processor circuit to construct a transmitter mapping from wireless transmitter identifiers to locations based on the plurality of tuples of the location database. Other embodiments are described and claimed.

Abstract: A radio transmitting station includes: multiple transmitting antenna elements configured to transform electrical signals into radio waves and emit the radio waves; a precoder configured to control a beam direction of the radio waves to be emitted from the multiple transmitting antenna elements by giving precoding weights to the electrical signals to be supplied to the multiple transmitting antenna elements; and at least one power adjuster configured to adjust power of an electrical signal that is to be supplied to at least a portion of the multiple transmitting antenna elements, such that differences between powers of the electrical signals to be supplied to the multiple transmitting antenna elements are reduced.

Abstract: Methods, target device (120) and source device (110) for managing error in a decoded picture of a coded video sequence “CVS” as well as method and analyzer (130) for managing a feedback message for indication of the error are disclosed. The target device (120) receives (204) a first DPH and calculates (205) a second DPH and detects (206) the error by finding that the first DPH is different from the second DPH. The target device (120) sends (207) a feedback message to the source device (110) or fetches (211) pictures of a further CVS from the source device (110) in response to the detection of the error. The source device (110) receives (208) the error message and changes (210) configuration for encoding of pictures based on the error message. The analyzer (130) receives (214) the feedback message and classifies (216) a mismatch, identified by the feedback message, into a category based on the feedback message. The analyzer (130) sends (217) a mismatch message indicating the category.

Abstract: A measurement device includes a capability information acquisition unit that acquires capability information indicating capability of a DUT set for each item determined in advance, a setting unit that sets a measurement condition of the DUT, a measurement unit that performs measurement of the DUT on the basis of the measurement condition, a capability determination unit that notifies of capability excess information indicating that the measurement condition regarding a certain item among the measurement conditions exceeds capability determined for each item in advance on condition that the measurement condition regarding the item among the measurement conditions has been set to exceed the capability determined for each item in advance, and a display unit that displays capability excess information.

Abstract: Latency on different devices (e.g., devices of differing brand, model, vintage, etc.) can vary significantly and tens of milliseconds can affect human perception of lagging and leading components of a performance. As a result, use of a uniform latency estimate across a wide variety of devices is unlikely to provide good results, and hand-estimating round-trip latency across a wide variety of devices is costly and would constantly need to be updated for new devices. Instead, a system has been developed for crowdsourcing latency estimates.

Abstract: A system including an interference module. The interference module is configured to determine, based on first data to be transmitted from a wireless communication device, information about interference predicted to be caused by the first data being transmitted, and provide, to a receiver of the wireless communication device, the information about the predicted interference. A component of the receiver of the wireless communication device is configured to receive, from the interference module, the information about the predicted interference, and adjust, for a duration of the predicted interference, a function performed by the component of the receiver. The function performed by the component of the receiver is related to processing a signal received by the receiver of the wireless communication device.

Abstract: A method and system are provided for a terminal to measure channel quality and transmit channel state information to a base station in a wireless mobile communication system operating in a multi-carrier-based multiple access scheme such as Orthogonal Frequency Division Multiple Access (OFDMA). The feedback information transmission method of a terminal in a mobile communication system includes receiving configuration information corresponding to at least two reference signals from a base station, receiving, at the terminal, feedback configuration information for measuring the at least two reference signals and generating feedback information based on a measurement result, receiving, at the terminal, the at least two reference signals, and transmitting, by the terminal, the feedback information at timings indicated in the feedback configuration information.

Abstract: A system configured to perform operations to receive, via a network communication interface, an indication of a power event occurring at a first device. The first device is for an online identity. The power event causes the first device to switch from an external power source to an internal battery. The first device represents that the online identity is online while the first device receives power from the internal battery. The system is further configured to perform operations to hold, at a second device, at least one status update for an online contact of the online identity while the first device receives power from the internal battery. Furthermore, the system is configured to perform operations to release, for transmission to the first device, the at least one status update in response to determining that the first device switches back to the external power source.

Abstract: A memory overclocking method adapted for a computer device is provided. The computer device includes a basic input output system and a memory. The memory overclocking method includes the following steps. A boot loader of the computer device is executed, and an overclocking module is executed by the basic input output system, wherein a first memory clock frequency for overclocking is preset in a serial presence detect of a memory. A second memory clock frequency by the overclocking module is generated by the overclocking module, wherein the second memory clock frequency is higher than the first memory clock frequency. Whether the second memory clock frequency meets a boot condition of the computer device is determined to decide whether to operate the memory at the second memory clock frequency. In addition, a computer device applying the memory overclocking method is also provided.

Abstract: Embodiments herein describe a network device (e.g., an access point) that dynamically arranges multi-user (MU) multiple input multiple output (MIMO) compatible client devices into MU-MIMO groups. That is, the network device uses network metrics and historical data to change the assignment of client devices in the MU-MIMO groups which may improve MU-MIMO efficiency by reducing the amount of power that leaks between the clients devices in the group. In one embodiment, the AP identifies a MU-MIMO group based on a performance evaluation such as evaluating network metric or determining if the group is underutilized. The AP can replace the identified MU-MIMO group with a substitute MU-MIMO group where the substitute MU-MIMO group is selected based on historical data corresponding to the client devices assigned to the substitute MU-MIMO group.

Abstract: An array based communications system may comprise a plurality of element processors. Each element processor may comprise a combining circuit, a crest factor circuit, and a phase shifter circuit. The combining circuit may produce a weighted sum of a plurality of digital datastreams. The crest factor circuit may be operable to determine whether the weighted sum has a power above or below a power threshold. If the power is above the power threshold, the crest factor circuit is operable to reduce the power. If the power is below the power threshold, the crest factor circuit is operable to increase the power. The phase shifter circuit may introduce a phase shift to out-of-band components of the weighted sum according to the power increase or the power decrease by the crest factor circuit.

Abstract: An apparatus is provided that includes a set of registers, and an interface of a computing block. The computing block includes one of a physical layer block or a media access control layer block. The interface includes one or more pins to transmit asynchronous signals, one or more pins to receive asynchronous signals, and a set of pins to communicate particular signals to access the set of registers, where a set of control and status signals of a defined interface are mapped to respective bits of the set of registers.

Abstract: A method for sending and receiving a signal is disclosed, and a corresponding device and system. The method includes performing constellation mapping on a data stream to obtain a mapped signal, and performing pre-filtering on the mapped signal to convert the mapped signal into a narrowband signal filtered signal. The pre-filtering is finite impulse response filtering. A bandwidth of the narrowband signal filtered signal is less than bandwidth of the mapped signal, and the narrowband signal filtered signal is a baud rate signal. The method also includes performing waveform forming according to the narrowband signal filtered signal to obtain a shaped signal, and performing digital-to-analog conversion on the shaped signal to convert a shaped second signal into an analog signal, and sending the analog signal.

Abstract: Systems and methods for transmitting video data over a network are provided. The system comprises a camera configured to capture video data, and a hardware processor configured to receive a connection signal to establish a direct connection with a network connectivity provider. After receiving the connection signal, the hardware processor can establish a network socket with a target server via the network connectivity provider, receive network connectivity status information, and determine first parameters for capturing of video data and second parameters for generation of data packets representing the captured video data based on the network connectivity status information. The hardware processor can control, based on the first parameters, the camera to capture video data; generate, based on the second parameters, data packets representing the captured video data; and transmit the data packets to the target server using the network socket.

Abstract: Adaptive read threshold voltage tracking techniques are provided that employ bit error rate estimation based on a non-linear syndrome weight mapping. An exemplary device comprises a controller configured to determine a bit error rate for at least one of a plurality of read threshold voltages in a memory using a non-linear mapping of a syndrome weight to the bit error rate for the at least one of the plurality of read threshold voltages.

Abstract: A mobile station for use in a wireless network. The mobile station transmits feedback reports to a base station of the wireless network. The feedback reports comprise a first feedback report, a second feedback report and a third feedback report. The first feedback report includes a precoder type indication (PTI) value that indicates at least one of a period of the second feedback report and a period of the third feedback report. The PTI value indicates a ratio of the second feedback report period to the third feedback report period. The PTI value also indicates the selected feedback information contained in the second feedback report and the third feedback report.

Abstract: A mobile station for use in a wireless network. The mobile station transmits feedback reports to a base station of the wireless network. The feedback reports comprise a first feedback report, a second feedback report and a third feedback report. The first feedback report includes a precoder type indication (PTI) value that indicates at least one of a period of the second feedback report and a period of the third feedback report. The PTI value indicates a ratio of the second feedback report period to the third feedback report period. The PTI value also indicates the selected feedback information contained in the second feedback report and the third feedback report.