A system that incorporates aspects of the subject disclosure may perform operations including, for example, obtaining uplink information that describes a configuration for uplink wireless communications by a communication device, wherein the uplink information comprises a first assignment of a first resource block to the communication device for transport of control information as a physical uplink control channel (PUCCH); performing a first Signal to Interference plus Noise Ratio (SINR) measurement of the PUCCH; initiating a first corrective action responsive to detecting the first SINR measurement being below a first SINR threshold; and initiating a second SINR measurement of the PUCCH to confirm the second SINR measurement is above the first SINR measurement. Other embodiments are disclosed.

Techniques and architectures for multi-stage cancellation of self-interference (SI) and joint cancellation of mutual-interference (MI) and residual SI in signals received by devices of a full-duplex multi-cell network are disclosed. In various examples, channel estimations and interference cancellation operations are performed utilizing multiple orthogonal training signals transmitted by network devices during a common over-the-air training period. Training signals derived from the orthogonal training signals during transmission are utilized to generate SI estimation information and perform at least a first SI cancellation operation on a received signal that includes at least first and second orthogonal training signals. The received signal and orthogonal training signals are then used to estimate a MI channel impulse response and a (residual) SI channel impulse response for use in joint MI/SI cancellation operations on further received signals. Details regarding the design of the orthogonal training signals and a unique system-level delay calibration procedure are also provided.

A system for linearized-mixer interference mitigation includes first and second linearized frequency downconverters; a sampling analog interference filtering system that, in order to remove interference in the transmit band, filters the sampled BB transmit signal to generate a cleaned BB transmit signal; an analog interference canceller that transforms the cleaned BB transmit signal to a BB interference cancellation signal; and a first signal coupler that combines the BB interference cancellation signal and the BB receive signal in order to remove a first portion of receive-band interference.

A receiver includes a first data slicer circuit and a radio interference detector circuitry. The first data slicer circuit is configured to generate a second data signal according to a first data signal. The radio interference detector circuitry is configured to generate first estimated information according to the first data signal, to generate second estimated information according to the second data signal, to generate third estimated information according to the first data signal and the second data signal, and to detect a radio interference signal according to the first estimated information, the second estimated information, and the third estimated information.

Exemplary aspects are directed to FM-radio circuitries and systems in which, at the receiving end of an FM broadcast transmission, circuitry is used to set the bandwidth for receiving the desired channel of the FM broadcast signal based on measured signal properties of immediately-adjacent channel(s) and based on an inverse relationship between an indication of FM modulation level of the other channel(s) and the amount for which the bandwidth is to be set. FM-signal processing circuitry such as logic/CPU circuitry, then receives the desired channel, including information carried by the FM broadcast signal, in response to setting the bandwidth based on the measured signal properties.

A receiver includes a first data slicer circuit and a radio interference detector circuitry. The first data slicer circuit is configured to generate a second data signal according to a first data signal. The radio interference detector circuitry is configured to generate first estimated information according to the first data signal, to generate second estimated information according to the second data signal, to generate third estimated information according to the first data signal and the second data signal, and to detect a radio interference signal according to the first estimated information, the second estimated information, and the third estimated information.

A method that incorporates aspects of the subject disclosure may include, for example, obtaining, by a system comprising a processor, interference information associated with one or more physical resource blocks (PBS) from each base station of a plurality of base stations. Further, the method can include determining, by the system, from the interference information a strategy for improving a PRB utilization of a first base station of the plurality of base stations. In addition, the method can include conveying, by the system, the strategy to at least one base station of the plurality of base stations. Other embodiments are disclosed.

A system that incorporates aspects of the subject disclosure may perform operations including, for example, a method of identifying, by a system comprising a processor, network communication degradation in one or more layers of a multi-layered communication protocol above a physical layer, wherein the network communication degradation is associated with communications taking place through a network, in part over a radio frequency link, between a plurality of communication devices, obtaining, by the system, data from a layer below the one or more layers of the multi-layered communication protocol identified as having the network communication degradation, determining, by the system, one or more geographic regions of the network associated with the network communication degradation from the data, and mitigating, by the system, effects of the network communication degradation in the one or more geographic regions of the network. Other embodiments are disclosed.

An apparatus is configured to operate in a wireless communications network cell that is operated so as to provide a first transmission band and a second transmission band being separated by a narrow band. The apparatus is configured to transmit a data signal using a frequency band having a center frequency. The center frequency is a frequency of the narrow band. The apparatus is configured to transmit an indicator signal in the frequency band prior to transmitting the data signal so as to indicate the transmission of the data signal.

A noise reduction system for a digital receiver reduces noise in signals received at the digital receiver. The digital receiver includes an input for receiving an analogue signal, analogue signal processing circuitry for processing an analogue signal, and an output for providing the processed signal to a digital signal processor. The noise reduction system is located between the input and the analogue signal processing circuitry, and includes a first component that outputs results of a noise signal identification and a second component that applies one or more counter-measures to the received analogue signal to produce a modified analogue signal. The modified analogue signal has a reduced level of noise compared to the received analogue signal, wherein the noise reduction system is arranged to assess the effectiveness of the one or more counter-measures applied by the second component to determine whether any further counter-measures are required.