A system that incorporates aspects of the subject disclosure may perform operations including, for example, receiving, via an antenna, a signal generated by a communication device, detecting passive intermodulation interference in the signal, the interference generated by one or more transmitters unassociated with the communication device, and the interference determined from signal characteristics associated with a signaling protocol used by the one or more transmitters. Other embodiments are disclosed.

An information transmission method includes: determining whether in-device interference may occur in user equipment; if so, acquiring transmission configuration information for avoiding the in-device interference, the transmission configuration information including an adjustment parameter for transmission time intervals; transmitting the transmission configuration information to the user equipment; and scheduling an uplink transmission resource and a downlink transmission resource according to the transmission configuration information, such that the user equipment performs transmission of uplink information within an original transmission time interval in such a way that at least the transmission of control information of downlink scheduling is not interfered.

Provided is a data processing method and apparatus. The method includes: performing an inverse fast Fourier transform (IFFT) on data and processing the data with a preset function. The preset function is the product of a first function and a second function. The first function is a function in a time domain obtained by performing a Fourier transform on a root-raised cosine function in a frequency domain. The second function is in the time domain.

Provided are an apparatus for supporting a plurality of wireless communication systems and an operating method of the same. The apparatus receives an integrated signal including a first wireless communication system signal and a second wireless communication system signal assigned to a certain frequency band, performs first processing on the integrated signal, performs second processing on the integrated signal, is scheduled to perform at least one of first interference cancellation (IC) process of canceling interference of the first wireless communication system signal from the integrated signal based on the signal on which first processing is performed or second IC process of canceling interference of the second wireless communication system signal from the integrated signal based on the signal on which second processing is performed, and performs at least one of the first IC process or the second IC process based on the scheduling.

An apparatus configured to be employed in a victim transmission reception point (TRP) associated with a new radio (NR) communication system is disclosed. The apparatus comprises a memory interface and a processing circuit. In some embodiments, the processing circuit is configured to process one or more predefined interference signals respectively received from one or more interfering TRPs during a guard period of the victim TRP. In some embodiments, the guard period comprises a time period between a downlink (DL) transmission and an uplink (UL) transmission associated with a time division duplex (TDD) frame of the victim TRP. In some embodiments, the processing circuit is further configured to determine an inter-TRP interference based on the one or more predefined interference signals. In some embodiments, the inter-TRP interference comprises a measurement of a UL interference at the victim TRP from the one or more interfering TRPs.

Embodiments provide a receiver having a receiving unit and a synchronization unit. The receiving unit is configured to receive a data packet having a pilot sequence. The synchronization unit is configured to separately correlate the pilot sequence with at least two partial reference sequences corresponding to a reference sequence for the pilot sequence of the data packet, in order to obtain a partial correlation result for each of the at least two partial reference sequences, wherein the synchronization unit is configured to non-coherently add the partial correlation results in order to obtain a coarse correlation result for the data packet.

A transmission apparatus includes a plurality of orthogonal frequency division multiplexing (OFDM) modulation signal generators, which generate a first OFDM modulation signal and a second OFDM modulation signal. The transmission apparatus also includes a transmitter that transmits the first OFDM modulation signal from a first antenna and the second OFDM modulation signal from a second antenna, in an identical frequency band. A reception apparatus is provided, which includes a plurality of antennas that receive a plurality of OFDM modulation signals; a plurality of OFDM demodulators that transform the plurality of OFDM modulation signals to a plurality of reception signals using Fourier transform; an estimator that outputs a distortion estimation signal using one or more symbols for demodulation included in the plurality of reception signals; and a demodulator that compensates for distortion of the reception signals using the distortion estimation signal and demodulates a data symbol included in the reception signals.

Various embodiments provide a data communication method. Under the method, a transmit end maps each code block group CBG in N CBGs to each layer in a corresponding layer group based on a correspondence between the N CBGs and N layer groups. Each layer group includes at least one layer, and N is a positive integer. The transmit end then sends data to a receive end. T transport block corresponding to the data includes the N CBGs. In this way, a mapping relationship between a CBG and a layer group is established by grouping layers, so as to improve data reception quality, through interference cancellation, for transmission among different layer groups, and ensure adaptivity to a CBG-based retransmission feedback, thereby optimizing transmission performance of an entire communications system.

The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4G communication system such as LTE. The present disclosure relates to a method for providing coordinated communication of a plurality of base stations, comprising the steps of: determining an interference value for each beam in a serving base station on the basis of interference signals received from neighboring base stations and transmitting the interference value for each beam to the neighboring base stations; determining a wireless resource and a beam for the coordinated communication by using the interference value for each beam and transmitting allocation information of the determined wireless resource and beam to the neighboring base stations; and determining a terminal, which will use the wireless resource and beam in a time period prior to a time period in which the coordinated communication is performed.

A WAP for wireless communications on a selected orthogonal frequency division multiplexed (OFDM) communication channel of a wireless local area network (WLAN). The transceiver includes: antennas, transmit and receive chain components, a stream separation control circuit, and an Inter Carrier Interference (ICI) removal circuit. The receive chain components include: an equalizer component converting a received uplink communication packet from one or more of the associated stations at an input into discrete communication streams at an output thereof. The stream separation control circuit couples to the equalizer component to control the separation of the communication streams at the output of the equalizer component into groups, with each group comprising all of the communication streams transmitted by a corresponding one of the one or more associated stations. The ICI removal circuit couples to the stream separation control circuit to discretely remove ICI from each group of streams.