Apparatuses, methods, and systems are disclosed for determining a signal quality using an error vector magnitude. One method includes receiving an output of a user equipment antenna port. The user equipment antenna port includes a linear combination of two or more transmit antennas. The method includes performing normalized maximum ratio combining on the output of the user equipment antenna port to produce a normalized output. The method includes determining a signal quality of the output of the user equipment antenna port. Determining the signal quality includes determining an error vector magnitude using the normalized output.

Disclosed is a method for mitigating crosstalk performed by a network node of a wireless communication network operable in a base station system of the wireless communication network, the base station system comprising an intermediate radio unit, IRU, a baseband unit, BBU, connected to the IRU and a plurality of radio heads, RHs, connected to the IRU via a plurality of metallic conductors.

According to a first embodiment, a method may include calculating at least one moving average window size in a frequency domain associated with a channel bandwidth and adjusting the at least one moving average window size in the frequency domain for at least one demodulation reference signal subcarrier in at least one resource block where at least one gap having a size of at least a predefined size is between the at least one resource block. The at least one resource block comprises a predetermined number of demodulation reference signal subcarriers.

The present disclosure relates to a signal processing device and an image display apparatus including the same. A signal processing device according to an embodiment of the present disclosure includes: a synchronizer configured to decode bootstrap data of first frame data in the received baseband signal; and an error corrector including a decoder configured to decode basic signaling data of the first frame data, and processing payload data of the first frame data is started within a first frame data period or a reception period of the first frame data. Accordingly, a data output time according to processing of frame data can be shortened.

Disclosed are a signal processing method and a signal processing circuit for suppressing Co-Channel Interference (CCI). By using the signal processing method and the signal processing circuit provided by the instant disclosure, determining whether each subcarrier is affected by CCI will be more precise because the non-data subcarrier and the data subcarrier are both processed. Moreover, in the instant disclosure, the results to determine whether the subcarriers are affected by CCI are recorded as an N×K error matrix, and thus the receiver may detect the static interference and the dynamic interference according to this N×K error matrix.

A signal equalization method includes: receiving a clock signal and a first reference signal; detecting a phase and a frequency of the clock signal based on the first reference signal to generate a detection result; generating a speed judgement signal according to the detection result; and, receiving the speed judgement signal and deciding an equalizer operation parameter according to the speed judgement signal.

Embodiments of the present invention provide a data processing method and apparatus. The method includes: selecting at least two groups of data from a to-be-processed data stream according to a preset first interval in a staggered manner; performing Fourier transform on each of the at least two groups of data to obtain at least two groups of first data; performing frequency domain filtering on the at least two groups of first data by using a prototype filter, to obtain at least two groups of second data; performing inverse Fourier transform on each of the at least two groups of second data to obtain at least two groups of third data; and adding the at least two groups of third data according to a preset second interval in a staggered manner. In the process, data obtained after transform reserves a feature of a single carrier, and has a low peak-to-average ratio.

This invention discloses a multimode interconnection interface controller for a converged network, which comprises a SERDES element responsible for serial/parallel conversion, a LANE_TXCLK element responsible for generating a transmit clock, a SERDES initialization element responsible for link training and rate negotiation, and a PCS_EB coding element and an PCS_AF coding element responsible for physical layer coding of messages. The link training and rate negotiation are completed automatically via the shared SERDES initialization element. More universality and flexibility are provided for interconnection chip design by the PCS_EB coding element. The PCS_AF coding element is provided to reduce message penetration delay. The multimode interconnection interface controller is integrated in a single chip. Through flexible configuration, the single chip can meet transmission requirements of dedicated high speed networks and Ethernet networks. The multimode interconnection interface controller also supports interconnection of data center Ethernet and high performance computing high speed network.

In the present invention, a transmitting station apparatus includes a training signal generation unit, a transmission end linear equalization unit configured to output a plurality of second data signals obtained by equalizing IAI of a plurality of first data signals by using a transmission end transfer function for equalizing IAI, and a transmitting station communication unit configured to transmit a training signal or the plurality of second data signals to a receiving station apparatus and receive information on the transmission end transfer function from the receiving station apparatus, and the receiving station apparatus includes a communication path estimation unit configured to estimate a communication path response from the training signal received by the receiving station communication unit, a reception end coefficient calculation unit configured to calculate the transmission end transfer function and a reception end transfer function for equalizing ISI, based on the communication path response, and a reception end linear equalization unit configured to output a plurality of third data signals obtained by equalizing ISI from the plurality of second data signals received by the receiving station communication unit by using the reception end transfer function.

A method of designing a digital filter for example for use in an FBMC/OQAM telecommunications system, with a target overlapping factor and meeting a specified signal to interference ratio is described, whereby a candidate filter design defined by an impulse response, satisfying the Nyquist criterion and having an overlapping factor higher than the target is selected, and the time and frequency coefficients of its impulse response inverted to define a new filter design; and

truncating the impulse response defining said new filter design to the minimum number of coefficients achieving said specified signal to interference ratio.