22 results about "Receiver Bandwidth" patented technology

Methods and apparatuses for downlink and uplink transmissions in full-duplex systems. A method for operating a user equipment (UE) for receiving a physical downlink shared channel (PDSCH) includes receiving: first information for a first modulation and coding scheme (MCS) table associated with a first frequency-domain subband in a reception bandwidth on a cell, second information for a second MCS table associated with a second frequency-domain subband in the reception bandwidth, and third information for a condition. At least one of the first and second frequency-domain subbands is one of a subband full-duplex (SBFD) downlink (DL) subband, an SBFD flexible subband, or an SBFD uplink (UL) subband. The method further includes determining whether the condition is valid for reception in a slot or symbol and receiving the PDSCH in the slot or symbol based on the first MCS table when valid and the second MCS table when not valid.

The invention discloses a self-adaptive carrier frequency point and bandwidth filtering noise reducer and a method thereof. The method comprises the following steps of: dividing the whole receiving bandwidth of a receiver into N segmented frequency spectrums; calculating N noise power thresholds corresponding to the N segmented spectrums, and setting cascaded N noise elimination modules according to the N segmented spectrums and the N noise power thresholds; the method comprises the following steps: inputting carrier data into cascaded N noise elimination modules, filtering an ith segment frequency spectrum through an ith noise elimination module to obtain ith segment frequency spectrum filtering data, calculating the average power of the ith segment frequency spectrum filtering data, comparing the average power with an ith preset noise power threshold value, if noise is judged, subtracting the noise from the original carrier data, and if the noise is not judged, subtracting the original carrier data from the ith preset noise power threshold value; and if the ith section of spectrum data contains signal data, reserving the signal data, and directly outputting the input signal of the ith noise elimination module as the input signal of the (i + 1) th noise elimination module. According to the method, the noise can be effectively reduced in a self-adaptive manner under the condition that the carrier frequency point and the bandwidth are unknown.

A method of sharing a frequency between base stations, which is performed by a specialized base station having at least some specialized coverages inside a general purpose coverage of a general purpose base station, may comprise: receiving information about adjacent base stations including the general base station from a mobile edge core network configured to manage the specialized base station; requesting, by the specialized base station, necessary bandwidth parts from the mobile edge core network; receiving allocation information for the bandwidth parts from the mobile edge core network; and setting the bandwidth parts based on the allocation information, wherein the specialized base station provides a specialized service to a specialized terminal in the specialized coverage according to the set bandwidth parts.

The invention discloses a receiver parameter determination method and device, equipment, a medium and a program product, and belongs to the field of zero power consumption. The method is performed by a zero power consumption device, the method comprising: determining receiver parameters used by the zero power consumption device, the receiver parameters comprising a receiver type and / or a reception bandwidth. According to the method, the receiver parameters used by the zero-power-consumption equipment are determined, and the receiver parameters comprise the receiver type and / or the receiving bandwidth, so that the receiver parameters corresponding to different scenes are determined in different scenes, the actual demand condition is met, and the use flexibility of the zero-power-consumption equipment is improved.

The application relates to the technical field of wireless communication, and discloses a free space optical and millimeter wave / terahertz fusion transmission system and a working method. The system comprises a transmitter, a base station and a central office. The millimeter wave / terahertz signal is generated by adopting a full-optical up-conversion architecture at the transmitting end, the received millimeter wave / terahertz electrical signal is converted into an optical domain signal at the base station, the optical domain signal is fused with a free space optical signal, the fused optical signal is received by a single optical coherent receiver at the central office, and the fused optical signal is processed. The system is accurately designed in terms of optical frequency relationship, so that the two types of heterogeneous signals fall within the receiving bandwidth of the single coherent receiver, and single-receiver reception is realized. The system supports two working modes of high capacity and high reliability, adopts adaptive demodulation or a hybrid automatic repeat request mechanism based on maximum ratio combination in severe weather conditions, improves transmission reliability, and has the technical effects of reducing system complexity, improving spectrum utilization efficiency, enhancing communication reliability and supporting flexible deployment.

A method of authenticating a received signal comprises receiving signals within a spectrum of bandwidth B, converting the signals into a frequency domain representation of bandwidth B, and segmenting the frequency domain representation of bandwidth B into spectrum segments each of training bandwidth W. For each spectrum segment, the method further comprises applying the spectrum segment to a neural network, and receiving, from the neural network, a radio frequency identification map comprising two or more classification vectors. The method further comprises determining a total variation across the two or more classification vectors and identifying the received signal as authenticated when the total variation is less than a threshold value. The method may further comprise training the neural network using a training dataset of wideband training samples. The method may further comprise generating each of the wideband training samples by stitching together two or more stored signals.

A clutter suppression method uses the local oscillator frequency hopping characteristics of high repetition rate stepping frequency signals, sets the receiver bandwidth and local oscillator frequency hopping interval that meet the conditions, and combines the receiver gating filter to effectively suppress the clutter outside the target echo distance range. Without additional hardware and operation processing, it is convenient to realize, beneficial to subsequent signal processing requirements, improves the visibility level under clutter, enhances the target detection ability, and has good engineering application value.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a bandwidth part (BWP) configuration that indicates a set of BWPs configured for communications by the UE. The UE may then receive a wake-up signal (WUS) monitoring configuration that indicates respective monitoring window offset values, respective time gap values, or both, for the set of configured BWPs (e.g., a per-BWP configuration for the monitoring window offset values, respective time gap values, or both). In some aspects, the respective monitoring window offset values and respective time gap values correspond to boundaries of respective WUS monitoring windows for set of configured BWPs. The UE may then monitor, within each BWP of the set of configured BWPs, for wake-up signaling. The UE may monitor for the wake-up signaling during one or more WUS monitoring occasions within the respective WUS monitoring window for the BWP.

Provided in the present invention is a method performed by user equipment (UE), the method including: determining a location of a receiving bandwidth according to a configuration parameter; and receiving a signal within the receiving bandwidth, the configuration parameter including a bandwidth location of a synchronization signal block (SSB) and / or a bandwidth location of a control resource set (CORESET).

The invention discloses an all-optical terahertz envelope detection method, and relates to the technical field of optical terahertz technology and envelope detection, and the method comprises the steps: converting a received terahertz pilot frequency and a target electric signal into a single-side-band optical signal through an ultra-wideband electro-optical processing technology; the upper path adopts a laser injection locking technology to filter a target optical signal and amplify pilot frequency optical power, and the lower path retains the target optical signal through an optical filtering technology; the optical signals of the upper path and the lower path are coupled, the optical signals are converted into intermediate-frequency electric signals through the broadband electro-optical beat frequency technology, and then digital sampling is carried out to recover target communication or sensing information. The invention further discloses an all-optical terahertz envelope detection receiving system. According to the method, the terahertz signal envelope receiving bandwidth can be effectively improved, the problem that the bandwidth of an electronic envelope detector is limited is solved, and the detection sensitivity is improved; in addition, by using the homologous characteristic of the pilot frequency and the target signal, the frequency offset interference of the target signal can be eliminated, and the system complexity is reduced.

A detection device for calcification according to an embodiment of the present disclosure may include a frequency determination unit, an ultrasound transceiver unit, and a band signal processing unit. The frequency determination unit may determine a transmission frequency of a transmitted ultrasound signal. The ultrasound transceiver unit may transmit the transmitted ultrasound signal to an object and receive a received ultrasound signal reflected from the object. The band signal processing unit may filter the received ultrasound signal to extract a calcification signal corresponding to a calcification included in the object. The detection device for calcification according to the present disclosure transmits a transmitted ultrasound signal at a frequency within a band of the ultrasound probe and includes a band signal different from a transmitted signal frequency among smoothed signals reflected from the calcification in a reception bandwidth of the ultrasound probe, thereby more accurately detecting the calcification within the object.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. The present disclosure proposes a method for allowing various types of terminals to effectively perform initial access procedures. A method performed by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure comprises the steps of: receiving a physical broadcast channel (PBCH) from a base station, the PBCH including physical downlink control channel (PDCCH) configuration information; acquiring the PDCCH configuration information based on the terminal type of the UE; and receiving a PDCCH associated with the terminal type from the base station on the basis of the acquired PDCCH configuration information, wherein the terminal type indicates one of a plurality of terminal types having different transmission / reception bandwidths.

The present disclosure discloses a method for determining a receiver parameter, a zero-power device, and a network device. The method is performed by a zero-power device, and the method includes the following. A receiver parameter to be used by the zero-power device is determined, where the receiver parameter includes a receiver type and / or a receiving bandwidth.

The present invention provides high-performance encoders and decoders for cloud gaming systems, and a streaming system and method configured for encoder adjustment that is aware of network transmission speed and reliability, as well as overall latency targets. [Solution] The method involves generating multiple video frames when running a video game on a cloud gaming server, encoding the multiple video frames at an encoder bitrate, transmitting the compressed multiple video frames from the streamer on the cloud gaming server to the client, measuring the client's maximum receiving bandwidth, monitoring the encoding of the multiple video frames in the streamer, and further dynamically adjusting the encoder parameters based on the encoding monitoring.

Systems and methods are disclosed for utilizing frequency multiplier (FX) based transmitters to generate wideband, substantially distortion-free signals, when a transmitter operates under bandwidth constraints. A receiver is configured to acquire the feedback signal at the multiplier output. The systems and methods alleviate the bandwidth constraints of the receiver. Additionally, the invention includes a training methodology for estimating predistortion coefficients configured to operate under constrained transmitter and receiver bandwidth conditions.

Systems and methods are provided for receiving bandwidth metrics from a plurality of routers on respective link routes in a network, compiling a link database including the bandwidth metrics of each respective link route in the network, selecting a first designated link path from the link database between a first router and a second router based on an application routing policy, the application routing policy being based on a routing metric, providing a first multiprotocol label switching label based on the first designated link path to the first router of the plurality of routers in the network, and restricting network traffic of the first router to the first designated link path provided in the first multiprotocol label switching label.

This invention relates to the field of optical communication technology, specifically a low-power system for a high-speed optical module. The system includes a transmitter and a receiver. The transmitter employs a driver chip with integrated equalization functions and a thin-film lithium niobate electro-optic modulation chip. The receiver uses a Retimer chip instead of a traditional Redriver. The Retimer chip performs signal reconstruction, clock data recovery, preprocessing before forward error correction, and bandwidth expansion. It incorporates an adaptive equalization algorithm to compensate for link insertion loss differences and supports protocol-transparent transmission. The system's power consumption is controlled below 15W, exhibiting strong compatibility and effectively solving the problems of insufficient receiver bandwidth and insertion loss compensation, meeting the low-power and high-reliability requirements of high-speed optical modules of 1.6Tbps and above.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a bandwidth part (BWP) configuration that indicates a set of BWPs configured for communications by the UE. The UE may then receive a wake-up signal (WUS) monitoring configuration that indicates respective monitoring window offset values, respective time gap values, or both, for the set of configured BWPs (e.g., a per-BWP configuration for the monitoring window offset values, respective time gap values, or both). In some aspects, the respective monitoring window offset values and respective time gap values correspond to boundaries of respective WUS monitoring windows for set of configured BWPs. The UE may then monitor, within each BWP of the set of configured BWPs, for wake-up signaling. The UE may monitor for the wake-up signaling during one or more WUS monitoring occasions within the respective WUS monitoring window for the BWP.

A communication node is configured to perform a method for sharing use of radio spectrum between first communication nodes in a first communication network and second communication nodes in a second communication network employing a different radio technology from the first communication network. A first communication node transmits a spectrum coordination signal that conveys information about use of the radio spectrum by the first communication node, wherein the spectrum coordination signal is characterized in that it can be detected and demodulated by a receiver in a second communication node using a receiver bandwidth substantially different from the bandwidth occupied by the spectrum coordination signal and transmits data in association with the spectrum coordination signal.