798results about "Spectral gaps assessment" patented technology

Systems, methods, and apparatus are provided for automated identification of baseline data and changes in state in a wireless communications spectrum, by identifying sources of signal emission in the spectrum by automatically detecting signals, analyzing signals, comparing signal data to historical and reference data, creating corresponding signal profiles, and determining information about the baseline data and changes in state based upon the measured and analyzed data in near real time, which is stored on each apparatus or device and / or on a remote server computer that aggregates data from each apparatus or device.

Systems, methods, and apparatuses for providing dynamic, prioritized spectrum utilization management. The system includes at least one monitoring sensor, at least one data analysis engine, at least one application, a semantic engine, a programmable rules and policy editor, a tip and cue server, and / or a control panel. The tip and cue server is operable utilize the environmental awareness from the data processed by the at least one data analysis engine in combination with additional information to create actionable data.

A method, a user equipment (UE), and a base station for a sidelink operation in unlicensed bands are provided. A UE receives an RRC message, receives a PSSCH in an unlicensed channel, and attempts to transmit a feedback message in a first PSFCH in response to receiving the PSSCH. In a case that the first channel access procedure is not successful, the UE further attempts to transmit the feedback message in a second PSFCH. The RRC message includes a minimum gap between the earliest slot of multiple logical slots of the PSFCHs and a logical slot of the PSSCH, and the logical slots of PSFCHs are assigned for the PSSCH. The UE performs a first channel access procedure in the unlicensed channel before the first PSFCH. The UE performs a second channel access procedure in the unlicensed channel before the second PSFCH.

Systems, methods, and apparatus are provided for automated identification of open space in a wireless communications spectrum, by identifying sources of signal emission in the spectrum by automatically detecting signals, analyzing signals, comparing signal data to historical and reference data, creating corresponding signal profiles, and determining information about the open space based upon the measured and analyzed data in near real-time.

Embodiments of this application disclose a data transmission method and a communication device, to improve channel bandwidth utilization and data transmission efficiency. The data transmission method provided in embodiments of this application includes: performing clear channel assessment on an existing wireless fidelity Wi-Fi channel to obtain a channel assessment result; determining a target channel based on the channel assessment result, where a bandwidth of the target channel is greater than 80 megahertz MHz, and the bandwidth of the target channel is not a bandwidth of the existing Wi-Fi channel; and sending data to a receiving end through the target channel, or receiving data from a transmitting end through the target channel.

Systems, methods, and apparatus are provided for automated identification of baseline data and changes in state in a wireless communications spectrum, by identifying sources of signal emission in the spectrum by automatically detecting signals, analyzing signals, comparing signal data to historical and reference data, creating corresponding signal profiles, and determining information about the baseline data and changes in state based upon the measured and analyzed data in near real time, which is stored on each apparatus or device and / or on a remote server computer that aggregates data from each apparatus or device.

A method and apparatus of a device that determines a physical downlink shared channel scheduling resource for a user equipment device and a base station is described. In an exemplary embodiment, the device selects a plurality of component carriers from a pool of available component carriers associated with a wireless link established between the user equipment device and the base station. In addition, the device selects a virtual component carrier from the plurality of component carriers. Furthermore, the device determines a physical downlink shared channel scheduling resource based on at least the virtual component carrier.

Apparatus and methods for identifying a wireless signal-emitting device are disclosed. The apparatus is configured to sense and measure wireless communication signals from signal-emitting devices in a spectrum. The apparatus is operable to automatically detect a signal of interest from the wireless signal-emitting device and create a signal profile of the signal of interest; compare the signal profile with stored device signal profiles for identification of the wireless signal-emitting device; and calculate signal degradation data for the signal of interest based on information associated with the signal of interest in a static database including noise figure parameters of a wireless signal-emitting device outputting the signal of interest. The signal profile of the signal of interest, profile comparison result, and signal degradation data are stored in the apparatus.

A wireless device receives configuration parameters indicating: a sidelink resource pool of a sidelink bandwidth part configured in a shared spectrum, one or more resource blocks for a physical sidelink feedback channel transmission via the sidelink resource pool, and a first common interlace index, among a plurality of common interlace indexes, configured for the PSFCH transmission via the sidelink resource pool. The wireless device determines multiple common RBs of a first common interlace corresponding to the first common interlace index. An index of each of the multiple common RBs is based on: an interlaced RB index corresponding to the first common interlace index, and a first common RB index indicating a starting RB of the sidelink BWP. The wireless device transmits, during a PSFCH slot, one or more sidelink transmissions via at least one RB of the one or more RBs, and via the multiple common RBs.

The disclosure relates to a method and apparatus by which a transmission terminal allocates resources in a vehicle-to-everything (V2X) system. An operating method of a terminal in a wireless communication system may include identifying a first candidate resource set for sidelink communication in a first resource selection window, through sensing based on first sidelink control information (SCI) received in a first sensing window, identifying a second candidate resource set for sidelink communication in a second resource selection window, through sensing based on second SCI received in a second sensing window, determining, based on the second SCI, whether to perform pre-emption or re-evaluation for a first resource, and when it is determined to perform the pre-emption or the re-evaluation for the first resource, triggering re-selection of resources for sidelink communication, and reporting the first resource for which the pre-emption or the re-evaluation has been performed, and the second candidate resource set to a higher layer of the terminal.

Disclosed in various embodiments of the present disclosure are a method for transmitting and receiving a signal in a wireless communication system and an apparatus for supporting same. In an example of an embodiment, the method comprises: obtaining information on groups for at least one search space set related to physical downlink control channel (PDCCH) monitoring, the groups comprising a first group and a second group; and a step for carrying out the PDCCH monitoring for a preset period of time in accordance with a search space set related to the second group, on the basis of the information on the groups.

Disclosed are systems and techniques for wireless joint communications and sensing. For example, a network device can receive, from a network entity, at least one configuration signal indicating at least one configuration comprising a resource for a physical uplink control channel (PUCCH) and for sensing. The network device can output, for transmission to the network entity, the PUCCH based on the at least one configuration comprising the resource. The network device can transmit a sensing signal based on the at least one configuration comprising the resource.

A wireless device receives, from a base station, one or more radio resource control (RRC) messages comprising a unified transmission configuration indicator (TCI) state type parameter, for a cell, that indicates a unified TCI state type among a separate TCI state type and a joint TCI state type. The separate TCI state type indicates one or more first TCI states are for downlink receptions via the cell and one or more second TCI states are for uplink transmissions via the cell. The joint TCI state type indicates one or more third TCI states are for both the downlink receptions and the uplink transmissions via the cell. The wireless device communicates, with the base station and via the cell, based on the unified TCI state type.

This application provides example signal transmission method and apparatus. One example method includes sending, by a first terminal device to a second terminal device, indication information indicating a signal transmission resource. Listen before talk (LBT) is performed by the first terminal device before transmission with the second terminal device is performed. Transmission with the second terminal device is performed by the first terminal device according to the indication information.

Various embodiments herein provide techniques related to hybrid automatic repeat request (HARQ) feedback of a new radio (NR) sidelink (SL) transmission. Specifically, in embodiments, a user equipment (UE) may perform, in a first slot of a plurality of slots, a listen before talk (LBT) procedure related to a NR SL transmission. The UE may further identify a subset of two or more candidate slots of the plurality of slots for transmission of a HARQ message related to the LBT procedure. The UE may further transmit the HARQ message in a candidate slot of the two or more candidate slots. Other embodiments may be described and / or claimed.

The invention belongs to the technical field of radio electronics and signal processing, and particularly relates to a color noise environment signal frequency domain detection method and system based on spectrum envelope extraction, and the system comprises a signal acquisition unit, a signal conversion unit, a signal judgment unit and a signal output unit. The method is a research summary of a color noise environment signal frequency domain detection algorithm based on spectrum envelope extraction, and the algorithm is used for blind signal detection under the conditions of uneven noise spectrum and broadband reception, has good robustness, can be used for low signal-to-noise ratio occasions, and is high in signal detection accuracy.

Methods, systems, and devices for wireless communications are described. In some examples, a first UE may be configured to transmit multiple sidelink synchronization signal blocks (S-SSBs) within an S-SSB period, the transmissions back-to-back or non-back-to-back. The first UE may determine one or more listen-before-talk occasions associated with the S-SSBs, participate in at least one listen-before-talk procedure during a listen-before-talk occasion, and transmit the multiple S-SSBs to a second UE. In some other examples, the first UE may identify a reference frequency position of a reference S-SSB in a sidelink BWP. The first UE may transmit the reference S-SSB and one or more additional S-SSBs to a second UE, the one or more additional S-SSBs having frequency positions following the reference frequency position.

Methods performed by a wireless device and a base station for adapting maximum allowed Clear Channel Assessment (CCA) based on operational occasion periodicity are provided. In examples disclosed herein, a wireless device is configured to determine an operational occasion periodicity of a signal that is subject to CCA. Accordingly, the wireless device can determine an association at least between the determined operational occasion periodicity and a maximum number of allowed CCA failures for communicating the signal. The wireless device can then perform one or more operational tasks based on the determined maximum number of allowed CCA failures. By determining the maximum number of allowed CCA failures, the wireless device can obtain information about downlink CCA failures and use the obtained information for adapting measurements procedures in serving cell operational tasks.

The present disclosure provides a method of transmitting a physical sidelink feedback channel (PSFCH) by a terminal in a wireless communication system. In particular, the method may comprise: receiving a physical sidelink control channel (PSCCH); receiving a first physical sidelink shared channel (PSSCH) on the basis of the PSCCH; performing listen before talk (LBT) for an LBT gap; and transmitting a PSFCH corresponding to the first PSSCH on the basis that the LBT has been successful, wherein the LBT gap is positioned immediately before the foremost symbol among symbols for the PSFCH, and transmission of a second PSSCH may continue to the LBT gap from a symbol immediately after the last symbol among symbols for the second PSSCH having been transmitted by the terminal before the PSFCH.

There is disclosed a method of operating a wireless device in a wireless communication 2375 network, the wireless device being adapted for wireless communication, and being adapted for sensing and / or radar operation, the method comprising adapting sensing operation based on communication operation, and / or vice versa. The disclosure also pertains to related devices and methods.

A method of configuring a sidelink resource pool to a user equipment (UE) in a wireless communication system may include receiving, by the UE, resource pool configuration information based on higher layer signaling from a base station; transmitting sidelink control information to another UE based on resource pool configuration information; and performing sidelink communication with the other UE, and resource pool configuration information may be information based on sidelink resource pool configuration of an unlicensed band.

Embodiments herein disclose e.g. a method performed by a wireless device (10) for handling communication for the wireless device in a second wireless communication network. The second wireless communication network coexists with a first wireless communication network on a same bandwidth in frequency, wherein the first wireless communication network applies a first shift in frequency in uplink transmissions. The wireless device receives from a radio network node (12, 13), an indication indicating application of a second shift in frequency to uplink transmissions in case the second wireless communication network uses Frequency Division Duplex (FDD). The wireless device further applies the second shift in frequency to uplink transmissions, wherein the second shift defines a shift in frequency to a subcarrier relative to a subcarrier grid of the second wireless communication network or a shift in frequency to the subcarrier grid of the second wireless communication network.

A communication management resource receives input indicating presence of a pair of wireless stations including a first wireless station and a second wireless station in a network environment. Based on a determined amount of adjacent channel interference between the first wireless station and the second wireless station, the communication management resource generates an adjacent channel interference value. The communication management resource assigns the adjacent channel interference value to the pair of wireless stations. The adjacent channel interference value indicates an estimate of adjacent channel interference between the first wireless station and the second wireless station. In a network of wireless stations, the adjacent channel interference value is used as a basis to identify pairs of wireless stations that are susceptible to adjacent channel interference. A wireless channel allocation management resource uses the adjacent channel interference information to allocate wireless channels for use by wireless stations to reduce adjacent channel interference.

A first terminal determines a first resource used to send a sensing signal; and sends the sensing signal to at least one second terminal by using the first resource, sends the sensing signal to both a network device and the at least one second terminal by using the first resource, or separately sends sensing signals to the at least one second terminal and the network device by using the first resource and a second resource, where the second resource is a resource used to send the sensing signal, and the first resource and / or the second resource are / is some resource units in a first resource set, where the first resource set includes resources used to send uplink information.

Various aspects of the present disclosure relate to receiving a sensing configuration for sensing signal measurement and reporting, where the sensing configuration comprises an indication of a first propagation path and performing a first sensing measurement of the first propagation path in accordance with the sensing configuration. Aspects of the present disclosure may relate to performing a second sensing measurement of the second propagation path in accordance with the sensing configuration and transmitting a sensing measurement report comprising a differential sensing measurement based on the first sensing measurement and the second sensing measurement, where the differential sensing measurement indicates a difference in measured values associated with the first propagation path and the second propagation path.

Various aspects described herein relate to receiving or determining an indication of wireless communication of a multiple component carrier (CC) configuration, communicating in a first bandwidth part (BWP) within a first CC of the multiple CCs during a first time period, and communicating based on a hopping pattern in a second BWP within a second CC of the multiple CCs during a second time period.

A method performed by a terminal in a wireless communication system is provided. The method includes obtaining information about transmission parameters associated with the SL positioning reference signal, identifying a resource pool associated with the SL positioning reference signal, performing a measurement based on the resource pool associated with the SL positioning reference signal, and determining at least one transmission parameter associated with the SL positioning reference signal based on the measurement and the information about the transmission parameter. The transmission parameter includes at least one of a comb size associated with the SL positioning reference signal and a number of symbols for the SL positioning reference signal in the time slot.

A method for a wireless device of a wireless communication system is described herein. In accordance with one embodiment, the method includes receiving - by the wireless device from a base station - one or more radio resource control (RRC) messages indicating a transmission configuration indicator (TCI) indication type among a first TCI indication type and second TCI indication type, wherein: the first TCI indication type indicates one or more first TCI states are for downlink receptions via a cell and one or more second TCI states are for uplink transmissions via the cell, and the second TCI indication type indicates one or more third TCI states are for both downlink receptions and uplink transmissions via the cell. The method further includes receiving a first downlink control information (DCI) comprising a TCI field indicating a TCI state, of the one or more third TCI states, applicable to both uplink transmissions and downlink receptions; receiving - via the cell - downlink receptions based on the TCI state; and transmitting, via the cell, uplink transmissions based on the TCI state. Moreover, a respective wireless device as well as related apparatuses, devices and methods are described.