Abstract: A circuit device includes a phase comparison circuit that performs phase comparison between a reference clock signal and a feedback clock signal, a control voltage generation circuit that generates a control voltage, a voltage controlled oscillation circuit that generates a clock signal, a dividing circuit that divides the clock signal and outputs the feedback clock signal, a processing circuit that sets a division ratio of the dividing circuit, a first register in which slope information of a waveform signal for spreading the frequency of the clock signal is set, and a second register in which amplitude information of the waveform signal is set. The processing circuit generates a waveform signal value based on the slope information and the amplitude information set in the first and second registers, and outputs division ratio data based on the waveform signal value and the division ratio setting value to the dividing circuit.

Abstract: A method for counting a service duration of time measurement on a clock signal including periodic transitions and for determining an actual duration (tmr) of measurement as a function of the service duration, the signal having undergone spectrum spreading according to a periodic variation algorithm causing a frequency modulation of the clock transitions of the signal and creating a difference between actual duration (tmr) and service duration. There are counted during successive time increments at least service times for starting (t_d_s) and stopping (t_a_s) and, on the basis of these times, there are determined actual times for starting and for stopping (t_d, t_a) serving for the calculation of the actual duration of measurement (tmr) as a function of the parameters of the variation algorithm. The invention also relates to a method of continuous compensation of the error between actual and service durations.

Abstract: A spread spectrum clock generator including a clock generation circuit, an impedance component and a control circuit is provided. The impedance component is coupled to an impedance terminal of the clock generation circuit. The control circuit is configured to provide a control signal to the impedance component to generate a first voltage at the impedance terminal. The clock generation circuit is configured to generate a spread spectrum clock signal at an oscillation terminal of the clock generation circuit according to the first voltage. Furthermore, a memory storage device and a signal generation method are also provided.

Abstract: A receiver apparatus receives a terminal-specific demodulation reference signal having a rank k and estimates an effective multi-layer channel response, using the received terminal-specific demodulation reference signal. The receiver demodulates first data symbols from first time-frequency resource elements, using the estimate of the effective multi-layer channel response and using a first symbols-to-virtual-antenna mapping matrix M to obtain nc modulation symbols from each of the first time-frequency resource elements, wherein nc>1 and wherein the first symbol-to-transmit-layer mapping matrix M has dimensions k by nc. The first data symbols are decoded to obtain downlink control information assigning second time-frequency resource elements to the receiver.

Abstract: An electronic device comprising circuitry that controls transmitting signals through a first communication link toward a base station or a second communication link toward a mobile station. The second communication link uses an uplink resource of the first communication link. The circuitry determines transmission power for the second communication link based on a first parameter and a second parameter. The first parameter indicates a signal level, a power level, or a noise level in the first communication link. The second parameter corresponds to path loss information for the first communication link.

Abstract: Aspects of the disclosure include an apparatus at base station side in a wireless communication system for multi-user superposition transmission. The apparatus includes a superposition control unit and an indication generation unit. The superposition control unit is configured to insert, into a data stream of each user equipment in a group of user equipment comprising a plurality of user equipment, a demodulation reference signal corresponding to the data stream, and superpose demodulation reference signals corresponding to data streams of respective user equipment. The indication generation unit is configured to generate, for at least a first user equipment among the plurality of user equipment, an indication regarding a demodulation reference signal corresponding to a data stream of other user equipment among the plurality of user equipment, to assist the first user equipment in demodulating data transmitted in the multi-user superposition transmission.

Abstract: Systems, base stations, terminals, and methods for group-selective channel feedback in a wireless communication system are described. In one signal measurement method for a base station supporting Multiuser Multiple-Input Multiple-Output (MU-MIMO), the base station allocates a group identifier to a terminal group for performing and reporting signal measurements simultaneously. When the base station transmits control information including the group identifier, each one of terminals belonging to the terminal group performs signal measurement, generates signal measurement feedback, and simultaneously transmits the signal measurement feedback to the base station.

Abstract: An interconnection network for providing data transfer between a plurality of nodes of an integrated circuit comprises a number of endpoints for exchanging data with respective nodes of the integrated circuit, a primary network to route a primary payload from a source endpoint to a destination endpoint; and a redundant network to route, to the destination endpoint, a redundant payload comprising a first check code calculated based on at least a portion of the primary payload, the first check code having fewer bits than said at least a portion of the primary payload. The destination endpoint comprises error checking circuitry to perform an error checking operation to calculate a second check code based on the primary payload received via the primary network, and verify integrity of the primary payload based on a comparison of the second check code with the first check code received via the redundant network.

Abstract: Systems and methods for reducing receiver de-sensitivity caused by coupling between a primary antenna and a diversity antenna. More particularly, the systems and methods reduce receiver de-sensitivity due to harmonic components associated with the signal transmitted by the primary antenna falling within a frequency band at which the diversity antenna is configured to sense signals. The systems and methods include amplifying a first signal to produce a transmission signal for transmission via the primary antenna; receiving, at the diversity antenna, a receive signal; amplifying, via a low noise amplifier, the receive signal to apply a gain to the receive signal; inverting the transmission signal; and adding the inverted transmission signal to the amplified receive signal to produce a corrected receive signal. Accordingly, the harmonic components introduced into the receive signal are canceled out via negative feedback at the radio frequency (RF) front end.

Abstract: A method for the reception of a frequency hopped direct sequence spread spectrum signal includes acquiring the signal by splitting the received signal into a plurality of processing sub-channels, each corresponding to one or more hop frequencies; and within each sub-channel: i) subtracting any sub-carrier frequency from the received signal; ii) filtering the signal from (i) using a chip-matched filter; iii) selecting a sub-set of samples from the filtered signal; iv) correlating the sampled signal from step (iii) with a known reference signal to produce at least one correlator output. The output(s) from each sub-channel are provided to an input of a corresponding one or more common discrete time Fourier transforms (DTFT), and an output therefrom having a peak above a predetermined threshold is selected for further processing in the receiver. The method is a less expensive way of tracking the signal and can demodulate appropriately modulated signals.

Abstract: The present invention relates to a pilot tone generating method and apparatus of an orthogonal frequency division multiple access system and method, and a channel estimation method and apparatus using the same. The channel estimation apparatus includes a pilot tone extracting unit for extracting a pilot tone, which is inserted within a frame with data tone, masked with an orthogonal code; a pilot tone unmasking unit for unmasking of the pilot tone extracted from the pilot tone extracting unit by using an orthogonal code information; and a channel estimation operating unit for estimating a channel by calculating an average of the pilot tones which is unmasked in the unmasking unit.

Abstract: Ultra-Wideband (UWB) technology exploits modulated coded impulses over a wide frequency spectrum with very low power over a short distance for digital data transmission. Such UWB systems through their receivers may operate in the presence of interfering signals and should provide for robust communications. Accordingly, an accurate and sharp filter that operates at low power is required and beneficially one that does not require a highly accurate power heavy clock. Further, many UWB applications require location and/or range finding of other elements and it would therefore be beneficial to provide a UWB based range finding and/or location capability removing the requirement to add additional device complexity and, typically significant, power consumption.

Abstract: A Global Navigation Satellite System (GNSS) receiver demodulates code shift keying (CSK) data utilizing correlations with combinational pseudo-random noise (PRN) codes generated for different bit positions. The GNSS receiver receives a signal including a PRN code modulated by CSK to represent a symbol (i.e., CSK modulated symbol). The GNSS receiver maintains a plurality of receiver codes, each representing a different shift in chips to the PRN code. The GNSS receiver performs a chip-by-chip linear combination of a group of receiver codes for each bit position of the CSK modulated symbol. The GNSS receiver correlates the received signal with each combinational PRN code to produce a binary value that is the CSK modulated symbol.

Abstract: A wireless communications system for an automotive vehicle includes a vehicle control unit and a fob. The vehicle control unit includes a vehicle transceiver. The fob includes a fob transceiver and a fob control unit and is configured to transmit and receive communications through at least two channels. The fob control unit is programmed to transmit a preamble through the first of the at least two channels, transmit a preamble through the second of the at least two channels during a null space following the preamble transmitted through the first channel, transmit a data packet payload through the first channel when a null space following the preamble in the second channel is detected, and transmit a data packet payload through the second channel when a null space following the preamble in the second channel is detected. Communications are interleaved between the first and second channels.

Abstract: A receiver is provided for acquiring a DSSS signal. The receiver includes a splitter, a first multiplier, a second multiplier and a processor. The splitter is operable to split the DSSS signal into a first DSSS signal and a second DSSS signal. The first multiplier is operable to multiply the first DSSS signal by a shuffled pseudo-noise sequence and a sine function to obtain a first correlation value. The second multiplier is operable to multiply the second DSSS signal by the shuffled pseudo-noise sequence and a cosine function to obtain a second correlation value. The processor is operable to determine an alignment delay based on the first correlation value and the second correlation value.

Abstract: Techniques for connection information for inter-device wireless data communication are described. In at least some embodiments, a broker device maintains wireless connection information for various wireless devices. The wireless connection information includes wireless channels at which particular wireless devices can be accessed. The broker device can provide the wireless connection information to various other devices to enable wireless communication with the wireless devices.

Abstract: An in-band pseudolite wireless positioning method, system and device are provided. The system has a base station, a pseudolite and a terminal. The base station transmits identifier information to the pseudolite after correcting a transmission clock of the pseudolite and transmits a pseudolite array and positioning correction information to the terminal. The pseudolite generates a random positioning signal sequence according to the identifier information and transmits a positioning signal according to the transmission clock and the random positioning signal sequence. The terminal generates a random positioning signal sequence of the pseudolite according to the pseudolite array and the positioning correction information.

Abstract: Embodiments of methods and systems for operating a communications device that communicates via inductive coupling are described. In an embodiment, a method for operating a communications device that communicates via inductive coupling involves adjusting a configuration of the communications device in response to a clock signal that is synchronized to a received clock signal, obtaining information that corresponds to transmission current or power generated in response to the adjusted configuration, and quantifying a detuning condition in response to the obtained information. Other embodiments are also described.

Abstract: In certain embodiments, a method includes generating a first signal and a second signal. The first signal includes at least one first sub-signal, and the second signal includes at least one second sub-signal. A subcarrier frequency spacing of the first sub-signal is M times as large as a subcarrier frequency spacing of the second sub-signal. The method further includes separately sending each first sub-signal and each second sub-signal. In a range of a first preset frequency apart from a reference subcarrier frequency, all the second sub-signals sent on a subcarrier corresponding to a subcarrier frequency whose difference from the reference subcarrier frequency is a non-integer multiple of the subcarrier frequency spacing of the first signal are zero signals. The reference subcarrier frequency is a subcarrier frequency of the first sub-signal adjacent to the second signal in a frequency domain.

Abstract: A synchronous communication method is provided.

Abstract: A base station is capable of wireless communication with a plurality of terminals, the base station includes a memory that holds information on P (P: an integer of 3 or more) terminals currently connected to the base station, a determination unit that determines L (L: an integer satisfying 2?L<P) terminals that are to report channel state information indicating a state of a propagation path to the base station from among the P terminals based on the information on the P terminals, at every data transmission cycle, a selector that selects M (M: an integer satisfying 2?M?L) terminals capable of spatial multiplex communication in the data transmission cycle based on the reporting of the channel state information from the L terminals, and a communicator that transmits data to and from the M terminals via a plurality of antennas using the spatial multiplex communication.

Abstract: A wireless base station, includes: a wireless transceiver configured to transmit to a wireless terminal a downlink frame including a downlink control information, the wireless downlink control information includes information representing a specified offset, wherein the wireless transceiver is further configured to receive an uplink frame from the wireless terminal; and a processor circuit coupled to the wireless transceiver and configured to determine uplink control information from the uplink frame, the uplink control information being offset by at least the specified offset from a location in the uplink frame that is the same as a location where the downlink control information was located in the downlink frame.

Abstract: A communication method performed by a base station in a wireless communication network is disclosed. The base station notifies a terminal of a cyclic shift increment NCS configuration information indicating an NCS value. The base station then receives from the terminal a random access preamble related to the NCS value indicated by the NCS configuration information. The NCS value belongs to a set of cyclic shift increments including all of the following cyclic shift increments of 0, 13, 15, 18, 22, 26, 32, 38, 46, 59, 76, 93, 119, 167, 279, 419.

Abstract: The purpose of the present invention is to reduce the Peak-to-Average Ratio (PAR) of a transmission signal. A transmission device includes a generation part for generating a cancellation pulse corresponding to a peak component of a transmission signal, and a cancellation part for attenuating the peak component using the cancellation pulse. In addition, the present invention includes some embodiments other than the aforesaid embodiment.

Abstract: A method for mitigating interference in a receiver, where the received signal is transmitted in a fashion having equivalent information content in at least two distinct bands. The method compares mean power per unit bandwidth in suitably normalised sidebands and sets a rejection threshold based upon the measured levels. Bands above the threshold may be rejected from further processing. The bands may include sidebands produced by a modulation process that produces sidebands having the same informational content. The threshold may be set relative to the band having the lowest mean power per unit bandwidth or according to some other function of the bands. Also extends to a signal processor in a receiver, and a receiver. The primary focus of the application is toward the Galileo Public Regulated Service (PRS) Satellite navigation signal.

Abstract: Some embodiments are directed to a method of determining the time of arrival of an incoming satellite signal at a receiver, including receiving an incoming signal, multiplying of the incoming signal by a first real-valued periodic modifying signal to produce a first modified output, correlating the first modified output to obtain a first correlation output, multiplying the incoming signal by a second real-valued periodic modifying signal to produce a second modified output, correlating the second modified output to produce a second correlation output and comparing the first correlation output with the second correlation output.

Abstract: The described technology is generally directed towards scheduling downlink transmissions using orthogonal resources (that is, resources that avoid or at least reduce interference) when a network configures a user equipment (UE) with a multiple slot configuration to repeat the HARQ-ACK information for a transmission. By using orthogonal resources, a downlink transmission can be scheduled in consecutive time slots instead of waiting for the repeated HARQ-ACKs to complete.

Abstract: An embodiment of the present invention discloses a signal sending method, a signal receiving method, a terminal device, a base station, and a system, to ensure that a signal has a sufficiently large capacity when a PAPR is low, and reduce power consumption of the terminal device. The method in embodiments of the present invention includes: generating, by the terminal device, a first signal; performing, by the terminal device, code division processing on the first signal using a target code division sequence selected from a code division sequence set, to generate a second signal, where any two code division sequences in the code division sequence set meet orthogonality and shift orthogonality; and sending, by the terminal device, the second signal to the base station at a corresponding time-frequency resource location.

Abstract: The present disclosure includes wireless communication systems with code-division multiple access with interference avoidance (CDMA-IA). In one embodiment, the wireless communication system includes a plurality of transmitters and a plurality of receivers. At least one transmitter of the plurality of transmitters is configured to detect unoccupied segments of spectrum occupancy of interference at one of the plurality of receivers, and spread power of a transmitted signal non-uniformly across a channel bandwidth that is much wider than an information bandwidth of the transmitted signal using a plurality of non-contiguous spectral segments that correspond to the unoccupied segments of the spectrum occupancy of the interference at the one of the plurality of receivers. At least one receiver of the plurality of receivers is configured to perform a demodulation process by coherently integrating the power of the transmitted signal over the plurality of non-contiguous spectral segments.

Abstract: A system for wireless distribution of aircraft data, avionics parameters or control commands between a standardized aircraft interface point and other systems, including a portable in-flight entertainment (IFE) server. The system comprises an aircraft data system with avionics buses for carrying at least one of aircraft data, avionics parameters or control commands. A first module is configured to directly interface with the avionics buses, in order to read/write data. A second module is configured to combine/adapt the data and generate signals of the combined/adapted data. A third module is configured to transmit the signals from the second module via wireless standard protocols towards the portable IFE server. The IFE server is configured to receive the signals from the third module.

Abstract: Embodiments relate to a system, method, and device for index compilation to optimize index. Once a CREATE INDEX commands is fired, a first check determines if the user requested has to compile this index. If the index is to be compiled, a corresponding C-file is generated, and a DLL is generated out of the C-file. The DLL is then loaded with server. An INDEX DLL is natively compiled and generated corresponding to each INDEX during definition. The INDEX DLL will contain the required structure and method to perform on INDEX, based on the indexed column data-type.

Abstract: A method is provided for transmitting additional information on communication or navigation signals with spectrum spreading, the additional information being coded by a value of intentional quantized degradation of the correlation of the spreading code, the degradation being coded on the spreading code by modifying at least one chip.

Abstract: A power amplifier (PA) system is provided for multi-mode multi-band operations. The PA system includes one or more amplifying modules, each amplifying module including one or more banks, each bank comprising one or more transistors; and a plurality of matching modules, each matching module being configured to be adjusted to provide impedances corresponding to frequency bands and conditions. A controller dynamically controls an input terminal of each bank and adjusts the matching modules to provide a signal path to meet specifications on properties associated with signals during each time interval.

Abstract: Aspects of the subject disclosure may include, for example, a method for use with a communication device that includes: communicating in a first frequency band with a remote device via at least one transceiver, wherein the remote device is oriented at a direction relative to the communication device, wherein the communicating is in accordance with first antenna beam steering parameters and a first antenna beam corresponding to the direction; and, communicating in a second frequency band with the remote device via the at least one transceiver, wherein the second frequency band is higher than the first frequency band, wherein the at least one transceiver is pre-initialized with second antenna beam steering parameters to generate a second antenna beam corresponding to the direction, and wherein the second antenna beam steering parameters are generated based on the first antenna beam steering parameters.

Abstract: There are provided a communication system, a communication apparatus, a communication method, a hopping pattern determining method, and a program for suitably setting a hopping pattern of frequencies for data communication. A hopping pattern data storing part stores hopping pattern data denoting the hopping pattern of frequencies for data communication. A frequency switching part switches the frequencies for data communication with a communication part in accordance with the hopping pattern. A reception part receives a signal transmitted at frequencies different from those of the hopping pattern over a period where data communication is not performed. A hopping pattern determining part determines a new hopping pattern on the basis of reception quality of the signal received by the communication part.

Abstract: The present invention relates to a wireless communication system. The present invention relates to a method for transmitting ACK/NACK in a wireless communication system in which carrier aggregation is set, and an apparatus therefor. Specifically, the present invention relates to an ACK/NACK transmission method and an apparatus therefor, the method comprising the steps of: receiving information on a plurality of physical uplink control channel (PUCCH) resources via upper layer signaling; receiving a transmit power control (TPC) field on a secondary carrier through a physical downlink control channel (PDCCH); receiving data indicated by the PDCCH; and transmitting ACK/NACK for the data, wherein the ACK/NACK is transmitted using a PUCCH resource which is indicated by the value of the TPC field among the plurality of PUCCH resources.

Abstract: Systems, devices and methods are disclosed for an ultra-wide-band (UWB) transmitter tag capable of operating in different power mode depending on voltage level and/or host interruption signal. The transmitter tag comprises a power management circuit, a one-time-programmable memory (OTP), a read/write memory, a state machine for controlling/monitoring the operation of the tag. The tag goes into the high power mode when the power supply ramps up to a preset voltage level. During the high power mode, the tag consumes the higher level of electrical current as indicated by the battery current signal. Upon completion of high power consumption activity, such as OTP memory download, the tag exits the high power mode and enters the low power mode. The power supply current goes to the low level to minimize the power consumption by the tag.

Abstract: A positioning method and a mobile terminal in order to improve track fitting precision, eliminate erroneous track determining, improve a positioning presentation effect, and automatically set a suitable positioning frequency. The method includes determining, by the mobile terminal, an expected journey L, where the expected journey is an expected value of a distance traveled by the mobile terminal between two consecutive times of positioning, obtaining a speed value v of the mobile terminal, adjusting a positioning frequency according to the expected journey L and the speed value v of the mobile terminal such that a deviation of a distance traveled by the mobile terminal between two consecutive times of positioning from the expected journey L is less than a specified threshold, and performing positioning according to an adjusted positioning frequency.

Abstract: Embodiments of an access point (AP), station (STA) and method for multi-user (MU) location measurement are generally described herein. The AP may contend for a transmission opportunity (TXOP) to obtain access to a channel. The AP may transmit a trigger frame (TF) to initiate a multi-user (MU) location measurement during the TXOP. The AP may receive service requests for the MU location measurement from a plurality of STAs. The AP may transmit an MU acknowledgement (ACK) frame that indicates reception of the service requests. The AP may receive, from the STAs, uplink sounding frames that include per-STA timing information for the service requests and the MU ACK frame. The STA may determine location measurements for the STAs based on the per-STA timing information included in the uplink sounding frames.

Abstract: An apparatus and method to automatically adjust a gain of an analog signal adapted to be transmitted over a twisted pair of telephone lines between a first end (e.g., a DSLAM), and a second end (e.g., a modem), is described. The apparatus comprises an amplifier, and a control mechanism. The amplifier receives the analog signal from a respective first or second end, and transmits the received analog signal in the respective downstream or upstream direction. The control mechanism, which preferably is operative only during a train or re-train mode, senses whether the analog signal is within a specified amplitude range associated with a receiver at the respective second end or first end, and, responsive to a determination that the analog signal is not within the specified amplitude range, determines and generates a control signal. The control signal is operative to adjust a gain of the amplifier to a determined value.

Abstract: A method comprising monitoring whether or not an allocation of uplink communication resources on a primary cell of a communication network is successful for a communication element to be scheduled on a downlink channel of at least one secondary cell of the communication network, and incrementing at least one counter according to the monitoring result.

Abstract: Relating to the field of wireless communications, a method and an apparatus for determining a signal-to-noise ratio in wireless communication are provided. The method includes: determining an effective signal-to-noise ratio of a received signal of current user equipment in the wireless communication; acquiring at least one parameter used to correct the effective signal-to-noise ratio; and determining, based on a mapping relationship used to correct the effective signal-to-noise ratio, a corrected signal-to-noise ratio corresponding to the at least one parameter and the effective signal-to-noise ratio.

Abstract: A virtual link buffer provides communication between processing threads or cores. A first cache is accessible by a first processing device and a second cache accessible by a second processing device. An interconnect structure couples between the first and second caches and includes a link controller. A producer cache line in the first cache stores data produced by the first processing device and the link controller transfers data in the producer cache line to a consumer cache line in the second cache. Each new data element is stored at a location in the producer cache line indicated by a store position or tail indicator that is stored at a predetermined location in the same cache line. Transferred data are loaded from a location in the consumer cache line indicated by a load position or head indicator that is stored at a predetermined location in the same consumer cache line.

Abstract: A method between a geolocation receiver and an identified transmitting satellite, the receiver being able to receive a composite radio signal including a plurality of navigation signals each transmitted by a transmitting satellite that is part of a satellite constellation, a method for validating the synchronization between a geolocation receiver and a transmitting satellite during a phase for acquiring an augmentation signal including geolocation correction and integrity data; the methods include, for each identified transmitting satellite, extracting received ephemeris words or received words of any type of the received signal associated with the identified satellite as it is received, and comparing at least one received word with at least one word of the same rank or stored for the identified satellite and/or for at least one other satellite; the validation or non-validation of the synchronization with the identified transmitting satellite depends on a predetermined false alarm probability and/or non-detec

Abstract: An electric motor is controlled by means of pulse-width modulated control signal having edge transitions occurring at certain transition count values of the pulses of a clock signal which is frequency-modulated with a step-wise frequency modulation (e.g., SSCG or Spread Spectrum Clock Generation). A frequency unmodulated clock signal is provided having a fixed period indicative of the period of the pulse-width modulated control signals. The transition count values are set as a function of a predicted count value and/or a predicted frequency value for the frequency-modulated clock signal. Prediction occurs as a function of the frequency unmodulated clock signal, so that the transition count values are compensated against the step-wise (e.g., SSCG) frequency modulation.

Abstract: The present invention relates to methods for protecting a data signal using the following techniques: applying a data reduction technique to reduce the data signal into a reduced data signal; subtracting the reduced data signal from the data signal to produce a remainder signal; embedding a first watermark into the reduced data signal to produce a watermarked, reduced data signal; and adding the watermarked, reduced data signal to the remainder signal to produce an output signal. A second watermark may be embedded into the remainder signal before the final addition step. Further, cryptographic techniques may be used to encrypt the reduced data signals and to encrypt the remainder signals before the final addition step.

Abstract: Circuits for reducing out-of-band-modulated transmitter self-interference are provided. In some embodiments, receivers are provided, the receivers comprising: a low noise amplifier (LNA) having an input, a first output, and a second output, wherein the LNA includes: a common source transistor having a gate coupled to an input signal, a drain coupled to the first output of the LNA, and a source coupled to ground; and a common gate transistor having a gate coupled to a transmitter replica signal, a source coupled to the gate of the common source transistor, and a drain coupled to the second output of the LNA.

Abstract: A Serializer/Deserializer (SERDES) circuit is disclosed. The circuit includes an input/output (I/O) pad for coupling to a duplex SerDes link. An adjustable delay line provides a first component of a relative phase between a receive signal sampling point and a transmit echo signal. A second delay circuit generates a second component of the relative phase. A timing relationship between the receive signal sampling point and the transmit echo signal is based on the sum of the first and second components.

Abstract: Systems (400) and methods for reducing a number of cyclostationary features in a transmitted signal. The methods comprise: obtaining by a transmitter a discrete-time IF signal comprising a sequence of samples all having a same sample duration; performing operations by a sub-sample dithering processing device of the transmitter to modify a sample timing of the discrete-time IF signal by decreasing or increasing a duration of at least one first sample of the sequence using a digital signal processing technique in a digital domain; converting the discrete-time IF signal to an RF signal; and transmitting the RF signal having a reduced number of cyclo stationary features.

Abstract: A method of optimizing a frequency band by a vehicle controller includes, upon wirelessly connecting a new device to the vehicle controller, first determining frequency characteristic of the new device, second determining whether a frequency band is capable of being allocated to the new device in an available frequency band by using the determined frequency characteristic, and when the frequency band is not capable of being allocated to the new device as the second determination result, readjusting a bandwidth occupied by one or more pre-connected devices to ensure a band to be allocated to the new device.