H04B2201/709709

Method and apparatus for signal interference processing

Aspects of the subject disclosure may include, for example, obtaining a schedule of spectral segments in a communication link of a communication system. Signal interference is identified in a portion of a number of spectral segments according to the schedule of spectral segments and at least one threshold for detecting interference. A determination is made that a number of signal interferers in the portion of the number of spectral segments exceeds a number of filters and, responsive to the number of signal interferers exceeding the number of filters, use of the number of filters is prioritized to filter signal interference in the portion of the number of spectral segments for suppressing at least a portion of the signal interference detected.

Method and apparatus for interference mitigation utilizing antenna pattern adjustments

A system that incorporates the subject disclosure may perform, for example, a method for receiving interference information, identifying a plurality of interferers, approximating a location of the plurality of interferers, and adjusting an antenna pattern of an antenna. The method can include determining traffic loads and adjusting the antenna pattern according to the traffic loads. Other embodiments are disclosed.

Waveform-coding for multicarrier wake up radio frame

Waveform-coding is applied to map successive on-off-keying (OOK) data bits onto successive multicarrier modulated symbols in time domain, wherein each multicarrier modulated symbol includes a set of sub-carriers in which alternating sub-carriers are set to ones and zeros in frequency domain. The waveform coded multicarrier modulated symbols are up-converted to a carrier frequency to provide a data signal that is transmitted over a wireless channel.

Creating Library of Interferers

A system includes a method for detecting a signal interference in a communication signal of a wireless communication system. An identified source of the signal interference is determined according to an interference profile of a plurality of interference profiles associated with an interference profile library having information that approximates characteristics of the signal interference. The signal interference of the communication signal is mitigated according to an interference parameter associated with the identified source by filtering the communication signal according to the interference parameter.

METHOD AND APPARATUS FOR MITIGATING SIGNAL INTERFERENCE IN A FEEDBACK SYSTEM

A system that incorporates the subject disclosure may include, for example, a process that includes adjusting a filter in electrical communication between an input terminal and a demodulator. The filter is applied to an information bearing signal, e.g., to mitigate interference, received at the input terminal, resulting in a filtered signal. An error signal is received, indicative of errors detected within information obtained by demodulation of a modulated carrier of the filtered signal. A modified filter state is determined in response to the error signal and the filter is adjusted according to the modified filter state, e.g., to improve mitigation of the interference. Other embodiments are disclosed.

Method and apparatus for avoiding interference
10582510 · 2020-03-03 · ·

A system that incorporates the subject disclosure may perform, for example, a method that determines at least one threshold for detecting signal interference in a first plurality of segments occurring in a first radio frequency spectrum of a first wireless communication system, detecting a pattern of recurrence over time of signal interference in a segment of the first plurality of resource blocks according to the at least one threshold, and performing one or more mitigation steps to mitigate the signal interference without filtering the signal interference where the one or more mitigation steps include at least one of transmitting signals out of phase from the signal interference, adjusting transmit power, increasing power in a resource block of a long term evolution communication session, performing beam steering, or changing time parameters for the resource block without changing to a new resource block. Other embodiments are disclosed.

Method and apparatus for signal interference processing

A system that incorporates the subject disclosure may include, for example, a device comprising a memory to store instructions and a processor coupled to the memory, wherein responsive to executing the instructions, the processor performs operations. The operations comprise receiving signals over a spectrum of frequencies, providing location data of the device to a base station, receiving a request from a base station to perform a spectral analysis of the signals, detecting an interference among the signals, and providing, in response to the request, data to the base station regarding a source of the interference, wherein the data comprises a location of the source relative to the device, spectral data for identifying the source, and a time a frequency of occurrence of the interference. Other embodiments are disclosed.

Creating library of interferers

A system includes a method for detecting a signal interference in a communication signal of a wireless communication system. An identified source of the signal interference is determined according to an interference profile of a plurality of interference profiles associated with an interference profile library having information that approximates characteristics of the signal interference. The signal interference of the communication signal is mitigated according to an interference parameter associated with the identified source by filtering the communication signal according to the interference parameter.

SPREAD-SPECTRUM DECODING METHOD FOR TRANSMITTED SIGNAL AND DISPLAY APPARATUS
20200036410 · 2020-01-30 ·

Disclosed are a spread-spectrum decoding method for a transmitted signal and a display apparatus. The method comprises: acquiring a fixed input frequency of an input signal, and taking the fixed input frequency as a decoding frequency; performing a calculation according to the fixed input frequency to obtain a cycle number N of the input signal within a pre-set time range; determining whether, during the pre-set time range, the ratio of the number of cycles corresponding to the input frequency after the spread-spectrum processing, which is greater than or less than the decoding frequency, to the cycle number N is greater than or equal to a pre-set percentage; if so, adding a one stage pre-set adjustment frequency value to the decoding frequency or subtracting same from the decoding frequency so as to obtain a new decoding frequency; and taking the new decoding frequency as an updated decoding frequency.

Techniques for selectively adjusting wireless communication parameters based on aggregated interference from listen-before-talk wireless devices

One method includes identifying a listen-before-talk (LBT) silencing criterion between each pair of wireless devices in a plurality of wireless devices; dividing the plurality of wireless devices into a plurality of independent sets based at least in part on the identified LBT silencing criterions; determining, for a location, an aggregated interference value for each independent set; determining an aggregated interference value for the location based at least in part on the determined aggregated interference values for each independent set; and selectively adjusting a wireless communication parameter of at least one of the wireless devices to alter the aggregated interference value for the location.