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75results about "Transmission path sub-channels allocation" patented technology

Enhanced integrated sensing and communications waveform

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter node may determine a set of parameters for a waveform to be transmitted by the transmitter node, wherein the waveform is to use an allocated bandwidth that is larger than a sweeping bandwidth of a frequency modulated continuous wave (FMCW) chirp. The transmitter node may transmit the waveform according to the set of parameters. Numerous other aspects are described.
Owner:QUALCOMM INC

Modem chip for adjusting log likelihood ratio by inferring channel estimation error and operating method of the modem chip

A modem chip includes a radio frequency integrated circuit (RFIC) configured to receive a data signal and a reference signal through a precoding resource block group (PRG) including a plurality of first subcarriers to which the data signal is allocated and a plurality of second subcarriers to which the reference signal is allocated, and a processor configured to calculate a delay spread value of the data signal by using the reference signal, determine one of two threshold values, adjacent to the delay spread value, of a plurality of threshold values as a maximum threshold value corresponding to the delay spread value, and calculate an adjustment log likelihood ratio (LLR) of each of at least one first subcarrier among the plurality of first subcarriers, based on an adjustment coefficient corresponding to the maximum threshold value.
Owner:SAMSUNG ELECTRONICS CO LTD

Channel detection method, device and storage medium

The present disclosure relates to a channel detection method, device and storage medium, and belongs to the technical field of communication. The method is executed by a wireless communication device, the wireless communication device includes n antenna panels, n is an integer greater than or equal to 2; the method comprises: obtaining channel detection control information of each of k antenna panels in the n antenna panels; and respectively controlling the k antenna panels to perform channel detection through the channel detection control information of each of the k antenna panels. For a wireless communication device with multiple antenna panels, the present disclosure controls k antenna panels in n antenna panels of the wireless communication device to perform channel detection according to the channel detection control information of each of the k antenna panels, so that the wireless communication device can perform channel detection based on different antenna panels, and the application scenarios of channel detection of the wireless communication device are expanded.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Base station operations for reduced capability user equipment

A base station of a network may bar access to certain types of user equipment (UE). The base station broadcasts a system information block (SIB) identifying a plurality of random access channel (RACH) sub-bands of an uplink (UL) bandwidth and which of the plurality of RACH sub-bands includes physical random access channel (PRACH) resources and receives, from the UE, a preamble from one of the plurality of RACH sub-bands selected by the UE.
Owner:APPLE INC

Sidelink conflict indication

Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may identify a conflict between sidelink messages in one or more sidelink resources of a set of sidelink resources reserved for communications by a second UE. In response to identifying the conflict, the first UE may measure a system load of a sidelink channel for the sidelink messages and may determine a threshold system load of the sidelink channel based on one or more priorities associated with the conflicting sidelink messages. If the system load satisfies the threshold system load, the first UE may transmit a message that indicates the conflict. Additionally, or alternatively, the first UE may transmit the conflict indication using a resource determined based on whether one or more of the conflicting sidelink messages are a broadcast sidelink message or a groupcast sidelink message.
Owner:QUALCOMM INC

Data processing method and communication apparatus

This application provides a data processing method and a communication apparatus. The method is performed by a radio frequency unit side of a network device. The method includes: determining a first resource feature of first service data; and sending the first service data to a first processing module based on the first resource feature, where the first processing module is any one of at least one processing module, and the at least one processing module is used in a distributed unit side of the network device. In this way, a radio frequency unit of the network device performs resource feature identification of service data, and forwards corresponding service data to a processing module in a distributed unit, so that overall latency of data processing can be reduced.
Owner:HUAWEI TECH CO LTD

Method performed by a user equipment and user equipment

The present application provides a method executed by a user equipment (UE), comprising: receiving bandwidth part (BWP) configuration information of a UE type of a network for the UE, wherein a BWP corresponding to the BWP configuration information is different from an initial downlink BWP of a cell; and determining, by the UE, at least one of a physical downlink control channel (PDCCH) position in a common search space, a width of a frequency domain indication field in downlink control information (DCI) for data scheduling, a value, and a position of scheduled physical downlink shared channel (PDSCH) resources according to the received BWP configuration information.
Owner:SHARP KK

Method and apparatus for determining channel detection mechanism, and storage medium

The present disclosure relates to the field of communications, and provided therein are a method, apparatus and device for determining a channel detection mechanism, and a storage medium. The method comprises: determining a detection mode on a broadband spectrum; when the detection mode is a broadband detection mode, determining a channel detection mechanism corresponding to the broadband spectrum according to at least one subband among a plurality of subbands; and when the detection mode is a subband detection mode, respectively determining a channel detection mechanism corresponding to each subband among the plurality of subbands according to the each subband. The present disclosure may employ different determination manners on the basis of different detection modes to determine a more reasonable channel detection mechanism, thereby achieving the fair occupation of channel resources on an unlicensed spectrum with other wireless communication systems.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Communication device

To improve the efficiency of uplink multi-user transmission.SOLUTION: A communication device includes a receiver that, during operation, receives a physical layer protocol data unit (PPDU) indicating duration information, and bandwidth information about one or more frequency channels on which the PPDU is received, and a transmitter that, during operation, transmits a frame on a frequency channel other than the one or more frequency channels on which the PPDU is received. The transmitter does not transmit the frame on the one or more frequency channels corresponding to the bandwidth information within a period indicated by the duration information.SELECTED DRAWING: Figure 7A
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Wired communication system replacing in-vehicle CAN / LIN bus

ActiveJP7805660B2Powerline communication systemsPowerline communications applicationsComputer networkTelecommunications
To provide a cable communication system instead of an on-vehicle CAN (controller area network) / LIN (local interconnection network) bass.SOLUTION: A cable communication system comprises: an electric power line or a transmission line that is connected to a plurality of communication units; and a master communication unit. In a first time region, each of the plurality of communication units includes a dedicated transmission frequency band, and the transmission frequency band of the plurality of communication units is not overlapped with each other, and is not overlapped to the transmission frequency band of the master communication unit or a transmission time. All of the transmission frequency bands can be coupled to a complete OFDM frequency band width, and has no guard band in the transmission frequency band.SELECTED DRAWING: Figure 1
Owner:HK OCEANCOMM TECH CO LTD

Signaling of phase noise inter-carrier interference order for network entity to reduce user equipment phase noise cancellation complexity

The present disclosure provides systems, methods, and devices for wireless communication that support signaling of a phase noise inter-carrier interference (ICI) order for a network entity for reducing user equipment (UE) phase noise cancellation complexity. In a first aspect, a method of wireless communication includes obtaining a power spectral density (PSD) measurement of a phase noise mask of a network entity prior to a field deployment. The network entity measures integral residual PSD measurements per candidate phase noise bandwidth size after deployment, and sends these integral residual PSD measurements to the UE. The UE may then estimate phase noise for cancellation from network entity transmissions using the integral residual PSD measurements. Other aspects and features are also claimed and described.
Owner:QUALCOMM INC

Interlaced beamforming for power spectral density (PSD) limited transmissions

A transmitter device (14) arranged for transmitting to a plurality of receiver devices (16) is provided. The transmitter device (14) is configured to: determine whether to interlace a plurality of subcarriers for transmission, where each respective subset of the plurality of subcarriers is configured for a respective one of a plurality of receiver devices, interlace the plurality of subcarriers based on the determination; and transmit the interlaced plurality of subcarriers at least in part by beamforming each of the respective subset of the plurality of subcarriers using respective beamforming.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Device and method for accessing channel

A device for accessing channel in a wireless local area network is provided. The device receives a Request-to-Send (RTS) frame which is transmitted by a transmitting station that is not associated with the station's basic service set (BSS) in a first primary channel. When the RTS frame does not occupy a second primary channel, a network allocation vector (NAV) of the first primary channel is set but the second primary channel is idle, the device switches from the first primary channel to the second primary channel for initiating physical layer protocol data unit (PPDU) transmission on the second primary channel.
Owner:FRONTSIDE LLC

Information processing method and apparatus, and readable storage medium

Embodiments of the present disclosure relates to the field of communications technology, and provide an information processing method, device, and readable storage medium for reducing signaling overhead. The method includes: determining, by a terminal, the location of transmission resources based on a first information; and / or determining, by a terminal, the size of transmission resources based on a second information; wherein the first information includes one of the following: location relationships between transmission resources; information of the terminal; or pre-configured location of starting resource block (RB); the second information includes: size relationships among transmission resources.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Signal transmission method, device, and storage medium

The present disclosure relates to a signal transmission method, a device, and a storage medium. The method comprises: a receiving end determines a first wireless resource occupied by a sensing signal, wherein the sensing signal is a signal sent by a transmitting end and used for sensing; and receiving a communication signal by means of a second wireless resource, wherein the second wireless resource does not comprise the first wireless resource. In this way, in an integrated sensing and communication (ISAC) scenario, the impact of a sensing signal on transmission of a communication signal can be avoided, improving the transmission reliability of the communication signal in the ISAC scenario.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Preamble puncturing bandwidth allocation

An example wireless networking device (e.g., Access point) dynamically managing preamble puncturing for OFDM-based communications. The wireless networking device determines first criteria of a signal quality and further determines to allow preamble puncturing, wherein the signal quality of the determines the occupancy of a subchannel. Based on the determination to preamble puncture, apply dynamically, preamble puncturing to an adjacent subchannel. The wireless networking device further monitors the subchannel signal quality and determines based on a second criteria, an amount of bandwidth useable from an adjacent bandwidth. The wireless networking device, based on the second criteria, dynamically allocate bandwidth from the adjacent subchannel.
Owner:HEWLETT PACKARD DEVELOPMENT COMPANY LP

Method for improving runtime and / or phase measurement

The invention relates to a method for improving propagation time and / or phase measurement and / or for synchronization in digital transmission systems. According to the invention, at least one first piece of information, in particular digital information, is encoded in at least one first analog signal and transmitted between two objects using the transmission system. At least one first sample of the at least one first analog signal is used to determine a temporal position and / or phase position. The at least one first sample lies on a rising or falling edge of the at least one first analog signal and / or the at least one first received analog signal, which can be determined, for example, from the sample itself and / or the behavior of adjacent samples.
Owner:LAMBDA 4 ENTWICKLUNGEN GMBH

Repeater device and repeating method

In a repeater device (11210): a communication device (11302) receives position information of a forwarding source device and a forwarding destination device using a first communication scheme; based on the position information of the forwarding source device, a moving mechanism (11301) moves the repeater device (11210) to a position at which it is capable of communicating with the forwarding source device using a second communication scheme; the communication device (11302) receives data from the forwarding source device using the second communication scheme; a storage device (11303) stores the data; based on the position information of the forwarding destination device received by the communication device (11302), the moving mechanism (11301) moves the repeater device (11210) to a position at which it is capable of communicating with the forwarding destination device using the second communication scheme, and the communication device (11302) transmits the data stored in the storage device (11303) to the forwarding destination device using the second communication scheme.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Communication apparatus and communication method

A receiver, in operation, receives a PHY layer Data Unit that includes a duration field, the duration field including duration information that indicates a duration of time during which the communication apparatus is prohibited from transmitting a high efficiency (HE) trigger-based (TB) PHY layer Data Unit. Physical (PHY) layer circuitry in operation, issues a PHY-CCA (clear channel assessment) primitive parameter. Media Access Control (MAC) circuitry in operation, updates a Network Allocation Vector (NAV) value based on the duration information when the indicated duration is greater than a current NAV value and when it is determined that the communication apparatus is not a targeted recipient of the received PHY layer Data Unit. The MAC circuitry in operation, determines busy / idle state of at least one subchannel. The MAC circuitry, in operation, controls transmission of the HE TB PHY layer Data Unit.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Repeater device and repeating method

In a repeater device: a communication device receives position information of a forwarding source device and a forwarding destination device using a first communication scheme; based on the position information of the forwarding source device, a moving mechanism moves the repeater device to a position at which it is capable of communicating with the forwarding source device using a second communication scheme; the communication device receives data from the forwarding source device using the second communication scheme; a storage device stores the data; based on the position information of the forwarding destination device received by the communication device, the moving mechanism moves the repeater device to a position at which it is capable of communicating with the forwarding destination device using the second communication scheme, and the communication device transmits the data stored in the storage device to the forwarding destination device using the second communication scheme.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Dynamic sidelink (SL) autonomous channel access

Described herein are solutions for dynamic sidelink (SL) autonomous channel selection access. A user equipment (UE) can initiate a sensing window based on a prediction of transport block (TB) generation. A SL-capable UE operating in mode 2 can predict an arrival of a TB in a buffer of the UE and can initiate monitoring of the channel for a configured duration before the predicted arrival of the TB. A sensing and selection window size can be adapted based on traffic quality of service (QoS). The UE can dynamically adapt the sensing and selection windows based on a predicted priority or QoS of the future TBs. These and many other features and examples are described herein.
Owner:APPLE INC

Enhanced integrated sensing and communications waveform

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter node may determine a set of parameters for a waveform to be transmitted by the transmitter node, wherein the waveform is to use an allocated bandwidth that is larger than a sweeping bandwidth of a frequency modulated continuous wave (FMCW) chirp. The transmitter node may transmit the waveform according to the set of parameters. Numerous other aspects are described.
Owner:QUALCOMM INC

Fronthaul link selection in wireless communications systems

A method, a system, and a computer program product for selecting fronthaul links in a wireless communication system. One or more link delays are determined. The link delays are associated with one or more communication links in the plurality of communication links communicatively coupling a first communication device and a second communication device. Using the determined link delays, a communication link transmission priority of the communication links for transmission of one or more data packets is determined. A listing of prioritized communication links is generated. At least one communication link in the prioritized communication links is selected for transmission of data packets between the first and second communication devices. Using the selected communication link, the data packets are transmitted between the first and second communication devices.
Owner:ALTIOSTAR NETWORKS INC

Single-carrier sparse code multiple access

Various aspects of the present disclosure relate to single-carrier sparse code multiple access (SC-SCMA), where multiple user equipment (UE) are multiplexed over one carrier frequency and multi-dimensional codewords are transmitted over multiple time units, e.g., symbols, slots, and so forth. Two or more UEs can spread their associated multi-dimensional codewords over the same time symbols or slots. At the receiver side, frequency domain equalizer (FDE) and a modified multi-UE detection architecture can be used to efficiently detect and decode each UE's data.
Owner:LENOVO UNITED STATES INC

Method for receiving downlink signal in wireless communication system and base station using the same

The present invention relates to a method of receiving a downlink signal in a wireless communication system and a terminal using the same. A method and apparatus for receiving a downlink signal in a wireless communication system are provided. The method includes receiving resource block assignment information including a bitmap, and receiving a downlink signal through resource block groups (RBGs) indicated by the bitmap in a bandwidth part. A total number of resource block groups (RBGs) in the bandwidth part is determined based on an index of a starting resource block of the bandwidth part, a size of the bandwidth part, and a size of one resource block group.
Owner:LG ELECTRONICS INC

Data transmission method and apparatus thereof

An initiator apparatus is provided. The initiator apparatus may include a transceiver and a processor. The transceiver may be configured to perform wireless transmission and reception to and from a responder apparatus. The processor may be coupled to the transceiver. The processor may perform the following operations. The processor may transmit, via the transceiver, a request to send (RTS) frame to the responder apparatus for a transmission opportunity (TXOP) burst during a TXOP duration of a TXOP operation, wherein the RTS frame indicates whether a preempt operation is allowable during the TXOP duration. The processor may also determine to suspend the TXOP operation in the event that the initiator apparatus does not receive a clear-to-send (CTS) frame corresponding to the RTS frame from the responder apparatus.
Owner:MEDIATEK INC