Abstract: A software-defined receiver (SDR) using real long term evolution (LTE) signals may be used for navigation. The LTE SDR leverages the structure of the downlink LTE signal, and provides signal acquisition, navigation-relevant high-level system information extraction, and signal tracking. The LTE SDR also provides the ability to obtain a time-of-arrival (TOA) estimate from received LTE signals, which provides a navigation solution comparable to a GPS-only navigation solution.

Abstract: Methods, systems, and apparatuses are described for wireless communications. Cells may be grouped into a plurality of cell groups. If a first signal is configured for transmission via a first cell of a first cell group in parallel with a transmission of a second signal via a second cell of a second cell group, a wireless device may drop, or adjust transmission power of, at least one of the first signal or the second signal.

Abstract: The present invention relates to a method and a device for a base station transmitting/receiving data in a wireless communication system. According to the present invention, a method and a device may be provided by which a first message comprising first control information is received from a base station, wherein the first control information comprises a logical path identifier (ID) indicating a logical path for transmitting/receiving first data and second data, which is the same as the first data; as a response to the first message, a reply message is transmitted to the base station; and the first data and the second data are received on multiple component carriers (CC) associated with the logical path corresponding to the logical path ID.

Abstract: Apparatuses, methods, and systems for a satellite wireless communication system are disclosed. One system includes a base station, a satellite, a beam management controller, and a plurality of wireless devices. The base station is configured to wirelessly communicate according to a schedule between the base station and each of the plurality of wireless devices within a scheduling frame. The satellite is operative to form a plurality of beams between the satellite and the wireless devices and support a wireless satellite link between the base station and the wireless devices through the plurality of beams. The beam management controller is operative to assign beam allocations for the scheduled wireless communication between each of the wireless devices and the base station that is time aligned with the scheduling frame, wherein each of the beam allocations includes an assignment to at least one of the plurality of beams.

Abstract: Two or more personal area networks (or PANs) operating channel hopping schedules may be operated within a vicinity of one another with channel hopping schedules according to IEEE 802.15.4 that are separated by a frequency offset, and collisions between data transmitted by the respective devices of the networks may be avoided. Nodes of a first PAN transmit beacons identifying information regarding a first communications schedule. A node of a second PAN receives the beacon and establishes a second channel hopping schedule at the offset from the first communications schedule. Nodes of PANs may be programmed with communication modes that vary uplink or downlink slots based on quality-of-service or traffic requirements.

Abstract: Embodiments of the present disclosure relate to a method and apparatus of transmitting uplink (UL) information and a method and apparatus of receiving UL information. In one embodiment of the present disclosure, the method of transmitting UL information comprises transmitting a reference signal using a first sequence; and transmitting UL control information using a second sequence; wherein a reference signal and the UL control information are staggered-multiplexed in frequency domain. With embodiments of the present disclosure, the uplink information can be transmitted in reduced uplink symbols so as to adapt for a proposed subframe structure with reduced uplink symbols and thus, the transmission latency can be reduced greatly.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an uplink grant that indicates scheduling information for an uplink shared channel transmission by the UE. The UE may also receive a downlink grant scheduling feedback information to be piggybacked on the uplink shared channel transmission, and may determine whether the downlink grant has been received after the uplink grant. The UE may then select from a set of resources indicated in the uplink grant, or determine that a feedback piggybacking condition has been met based on the downlink grant. The UE may perform the uplink shared channel transmission to the base station, in some cases including the feedback information.

Abstract: Methods, systems, and devices for wireless communications are described. A wireless communications system may support grants for uplink or downlink transmission over multiple transmission time intervals (TTIs). A multi-TTI grant may include a base grant and an extended grant that include separate information and may be transmitted simultaneously (e.g., within the same TTI) or separately. A grant type (e.g., whether a grant is a base grant or an extended grant) or an association between a base grant and an extended grant may be conveyed (e.g., via the multi-TTI grant). A downlink assignment index (DAI) may be included for one or more TTIs subject to the multi-TTI. For instance, DAI may be included for each TTI or for a subset of TTIs.

Abstract: Aspects of the disclosure relate to a wireless user equipment (UE) establishing and utilizing a reference timing for a carrier or cell with multiple transmission and reception points (TRPs). A UE may receive a downlink signal on each of a plurality of component carriers (CCs), and determine respective timing events (e.g., slot boundaries, subframe boundaries, etc.) corresponding to each of the plurality of CCs. The UE may then determine a reference time for a first CC of the plurality of CCs. This reference time corresponds to a function of two or more timing events corresponding to different TRPs utilizing the first CC. The UE then determines a relative timing difference between the plurality of CCs based on this determined reference time. Other aspects, embodiments, and features are also claimed and described, including determining and utilizing a reference time on an uplink CC.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may establish a connection, with base station, over a first and second component carrier and may monitor a search space configured for scheduling multiple component carriers. In some cases, the UE may be configured to monitor a search space allocated for a virtual component carrier associated with scheduling multiple component carriers, or the UE may be configured to monitor for a subset of physical downlink control channel (PDCCH) candidates in search spaces associated with the first and second component carriers, where the subset of PDCCH candidates may be allocated for multi-component carrier scheduling. The UE may receive downlink control information (DCI) that schedules a set of data transmissions over the first and second component carriers and the UE may perform or receive the set of data transmissions over the first and second component carrier.

Abstract: A resource allocation method includes sending, by the first device, a first message to the second device, where the first message is used to request a sidelink resource for the first device to send data to a third device, and the first message includes first identification information of the third device. The method further includes receiving, by the first device, a second message sent by the second device, where the second message is used to indicate a target sidelink resource for the first device to send the data to the third device. The method further includes using, by the first device, the target sidelink resource to send the data to the third device.

Abstract: Provided are a user equipment, base station and wireless communication methods related to uplink control information mapping in physical uplink resources in NR (New Radio access technology). A user equipment comprises: circuitry operative to map, in physical resource blocks (PRBs) for Physical Uplink Shared Channel (PUSCH), Uplink Control Information (UCI) to one or more available resource elements according to their distances with resource elements where reference signals are mapped in one or more of time domain, frequency domain and spatial domain; and a transmitter operative to transmit the UCI and the reference signals in PUSCH on the PRBs to a base station.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) receives control signaling from the base station indicating a set of transmission mode indicators or transmission mode options and a set of demodulation reference signal (DMRS) configurations for every transmission mode from a set of transmission modes. The base station transmits additional control signaling to dynamically indicate a transmission mode or a combination of transmission mode indicators and DMRS configuration parameters to signal the transmission mode and one or more associated DMRS configurations. The UE identifies a DMRS configuration and a transmission mode based on the additional control signaling. The UE receives one or more DMRSs from multiple transmission reception points (TRPs) based on the joint/disjoint DMRS and transmission mode signaling. The UE receives one or more data messages from the TRPs based on the transmission mode indication and based on the received DMRSs.

Abstract: This application discloses a beam training method, a communication device, a chip system, and a storage medium. The method includes: performing, by a transmit device, clear channel assessment on sectors corresponding to an antenna of the transmit device; and sending, by the transmit device in a sector whose result of clear channel assessment is idle, a training signal to a receive device, where the training signal is used to perform beamforming training on the antenna. With this solution, beamforming training efficiency can be improved and resource utilization can be increased.

Abstract: A UE may receive DCI from a first TRP scheduling a transmission of a TB from the first TRP and a second TRP. The UE may receive, from the first TRP a first set of CBGs of the TB in a first set of resources. The UE may receive, from the second TRP a second set of CBGs of the TB in a second set of resources that is different than the first set of resources. The first set of CBGs may be received based on a first MCS and the second set of CBGs may be received based on a second MCS. The UE may transmit, in a full-duplex mode, a message to the first TRP. The transmission to the first TRP may overlap in time with the reception from the first TRP. Accordingly, the first MCS may be lower than the second MCS.

Abstract: A default subcarrier spacing for use in transmission/reception of a broadcast channel is defined for each frequency range. A base station transmits a broadcast channel in a frequency band, using the default subcarrier spacing defined for a frequency range to which the corresponding frequency band belongs. A user equipment attempts to detect a broadcast channel in the frequency band where a cell search is being attempted, using the default subcarrier spacing defined for a frequency range to which the frequency band belongs.

Abstract: A mobile communication system according to one embodiment comprises: a base station configured to transmit discovery reference signal in an unlicensed spectrum, and a radio terminal configured to receive the discovery reference signal in the unlicensed spectrum. The base station notifies the radio terminal of timing information indicating a timing at which the discovery reference signal is to be transmitted in the unlicensed spectrum.

Abstract: Systems and methods are provided for dynamically modifying beamforming weights based on MU-MIMO user device pairings. A quantity of MU-MIMO user device pairings served by a node is determined. Based on a maximum quantity of potential MU-MIMO user device pairings for the node, it is determined that a quantity of the MU-MIMO user device pairings for the node is below a threshold. Because the quantity of the MU-MIMO user device pairings is below the threshold, beamforming weights are modified to widen a vertical main lobe to increase the quantity of MU-MIMO user device pairings.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive downlink control information (DCI) messages scheduling downlink data transmissions at the UE, where at least one DCI message schedules two or more downlink data transmissions. The UE may determine, based on the DCI messages, a first set of downlink resources associated with a first control resource set (CORESET) group and a second set of downlink resources associated with a second CORESET group. The UE may receive one or more first downlink data transmissions on the first set of downlink resources and one or more second downlink data transmissions on the second set of downlink resources. The UE may communicate using a first set of parameters associated with the first CORESET group and a second set of parameters associated with the second CORESET group.

Abstract: A wireless user equipment (UE) may employ any of various mechanisms for reporting signal quality measurements to a wireless network. The UE may impose a time delay between measurement and reporting, based on a delay parameter K. The UE may average measurements obtained at different measurement instances. The UE may employ any of various schemes for prioritizing transmission of one type of report over another, when temporal collisions occur between different types of report. The UE may employ a differential report that includes a state for indicating that a beam is not workable. The UE may employ a beam index that includes a state for indicating an invalid beam. A base station may receive a signal quality report and determine workability of a beam, e.g., by triggering a report of channel state information.

Abstract: Provided in the present disclosure are an electric apparatus and method for a wireless communication network control end, and electronic apparatus and method for a wireless communication network node. The electronic apparatus for the wireless communication network control end includes a processing circuit. The processing circuit is capable of determining how to divide wireless communication transmission resources in a predetermined domain, the divided transmission resources being employed for first-time transmission and re-transmission of a network node, respectively. The processing circuit is also capable of generating configuration information containing information of a dividing manner of the wireless communication transmission resources.

Abstract: According to one aspect of the disclosure, a network node is provided. The network node is configured to configure each wireless device in a first group of wireless devices comprising at least one wireless device with a first radio network temporary identifier, RNTI, defined to address a group of wireless devices for physical downlink control channel, PDCCH, based wake-up signal, WUS, operation, and cause transmission of signaling including a wake-up signal, WUS, for a first WUS monitoring occasion associated with the first group of wireless devices, where the WUS is configured to cause each wireless device in the first group of wireless devices to perform at least one action.

Abstract: Certain aspects of the present disclosure are generally directed to design of random access channel (RACH) procedures. For example, certain aspects of the present disclosure provide a method for wireless communication by a user equipment (UE). The method generally includes receiving an indication of a RACH procedure capability of a network entity, and selecting a first RACH procedure or a second RACH procedure, based on the indication. The UE may then communicate one or more messages with the network entity based on the selected first RACH procedure or the selected second RACH procedure.

Abstract: Systems and methods are disclosed for performing random access (RA) in 5G New Radio (NR) systems, including New Radio in unlicensed spectrum (NR-U) systems. A wireless transmit/receive unit (WTRU) may receive a configuration for physical random access channel (PRACH) resources. The WTRU may determine whether to use a first type of PRACH transmission or a second type of PRACH transmission. For the first type of PRACH transmission, the WTRU may select a PRACH resource, without performing listen-before-talk (LBT), immediately following reception of an synchronization signal block (SSB). For the second type of PRACH transmission, the WTRU may randomly select the PRACH resource associated with the SSB, and perform a first LBT on the selected PRACH resource. The WTRU may transmit a PRACH preamble in the selected PRACH resource. The WTRU may perform a second LBT for random access response (RAR) reception for hidden node detection.

Abstract: Provided in embodiments of the present application are an information transmission method, network apparatus, and terminal apparatus, enabling flexible distribution of reserved resources, and accordingly improving efficiency of using the reserved resources. The method comprises: a network apparatus sending second instruction information used to configure first instruction information; and the network apparatus sending, according to the configuration of the first instruction information, the first instruction information used to instruct resource reservation.

Abstract: A system/method is disclosed whereby a first transmitter and a second transmitter that comprises a connection to the first transmitter, are used to convey information to a destination device by wirelessly transmitting by the first transmitter and the second transmitter first data and second data, respectively, using respective first and second frequencies that the Federal Communications Commission has allocated for use by one or more cellular communications system(s) in the United States. Aggregation of the first and second data is performed by the destination device.

Abstract: A wireless communication method and device, a chip, and a system are provided. The method includes a terminal device determines multiple uplink channels/signals transmitted in a target time unit, the multiple uplink channels/signals being at least in part overlapped in a time domain; when the multiple uplink channels/signals fulfill a constraint condition, the terminal device multiplexes information borne in the multiple uplink channels/signals into one channel/signal in the target time unit for transmission. The constraint condition includes a first symbol of the earliest uplink channel/signal in the multiple uplink channels/signals is not before an A-th symbol later than the starting time of the target channel/signal or after the last symbol, A being a non-negative integer.

Abstract: Provided are a data transmission method and device, a base station, a terminal and a readable storage medium. The data transmission method includes: a base station determines whether a terminal resides in a cell of the base station; in a case where the base station determines that the terminal resides in the cell of the base station, the base station sends a paging message to the terminal, wherein the paging message carries a cell radio network temporary identifier (C-RNTI); and the base station transmits downlink data according to the C-RNTI.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration that indicates a number of bits to be used in an indication of at least one of a listen-before-talk (LBT) category or a channel access priority class to be used for uplink communications. The UE may receive the indication of at least one of the LBT category or the channel access priority class to be used for a transmission starting point associated with one or more uplink communications, wherein the indication includes the number of bits indicated in the configuration. The UE may perform an LBT procedure for an uplink communication, of the one or more uplink communications, transmitted at the transmission starting point, according to the LBT category or the channel access priority class. Numerous other aspects are provided.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication to transmit a dynamic UE parameter adaptation report to a base station (BS). The UE may transmit the dynamic UE parameter adaptation report to the BS based at least in part on receiving the indication. Numerous other aspects are provided.

Abstract: Provided are a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT), with a transmission and receipt processing method and device for time-frequency synchronization between V2X terminals. When a synchronization signal to be transmitted is identical to a synchronization signal of an existing D2D terminal, time-frequency resources configured for the D2D terminal in a cell are reused to transmit the synchronization signal. When synchronization signal to be transmitted is different from a synchronization signal of an existing D2D terminal, reconfigured time-frequency resources are used to transmit the synchronization signal. The synchronization signal transmitted by a V2X terminal indicates a corresponding synchronization source type by using a value of an SLSS sequence index and/or a value of a PSBCH specified field.

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a base station may configure a set of transmission parts each including different sets of time domain resources or different sets of frequency domain resources, or both, and may specify a waveform type for each of the set of transmission parts. In some examples, the base station may configure the set of transmission parts for a user equipment (UE) and, accordingly, the UE and the base station may communicate over a transmission part of the set of transmission parts via signaling that is based on a waveform type that is associated with the transmission part over which the UE and the base station communicate. The base station may control over which transmission part of the set of transmission parts the UE and the base station communicate via a configured timer or via explicit activation and deactivation signaling.

Abstract: Embodiments include systems and methods for communicating information in a physical uplink control channel (PUCCH) message. A processor of a wireless device may configure a PUCCH message to include an uplink message in a short data field. The processor may send the PUCCH message including the short data field to convey the uplink message to a communication network. In some embodiments, the processor may receive data from a second wireless device in a downlink channel, and may generate an acknowledgement message responsive to the received data. The processor may configure the short data field to include the acknowledgement message, and may send the PUCCH message including the short data field that includes the acknowledgement message to acknowledge the received data.

Abstract: Embodiments are described for establishing a connection between a premise device and a remote user. A security message may be received from an authentication server. The security message may include an origination address of a request from an authenticated remote user. Connections may be allowed from the origination address of the authenticated remote user with the premise device. A timer may be started which counts an amount of time that the connections are allowed. Forwarding may be enabled of connection data between the premise device and the remote user. An acknowledgement message may be sent to the authentication server indicating completion of preparation of the remote access.

Abstract: Embodiments of this application provide an information transmission method, a network device, and a user equipment. The method provided in this application includes: sending, by a network device, a broadcast frame that includes first duration information and second duration information that are of A-BFT (Association Beamforming Training); receiving a frame sent by a first user equipment in a timeslot randomly selected from a first time range; and receiving a frame sent by a second user equipment in a timeslot randomly selected from a second time range. According to the embodiments of this application, beamforming training efficiency can be improved.

Abstract: Disclosed herein is a method of transmitting a UL signal from a user equipment (UE) in a wireless communication system supporting an unlicensed band and apparatuses for supporting the same. More specifically, the present invention provides an embodiment in which the UE performs autonomous uplink transmission and scheduled uplink transmission through the unlicensed band, a method of adjusting contention window size when the UE perform the autonomous uplink transmission through the unlicensed band, and an embodiment of performing the autonomous uplink transmission based on the method.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a second UE and using a first fast Fourier transform (FFT) window configuration, a physical sidelink control channel (PSCCH) signal associated with a physical sidelink shared channel (PSSCH) signal. The UE may identify, based at least in part on the reception of the PSCCH signal, one or more values of one or more parameters estimated from the PSCCH signal. The UE may select, based at least in part on the one or more values of the one or more parameters, a second FFT window configuration to be used to receive the PSSCH signal. The UE may receive, from the second UE, the PSSCH signal using the second FFT window configuration, Numerous other aspects are described.

Abstract: One embodiment of the present invention relates to a method for a terminal transmitting a message in a wireless communication system, comprising the steps of: generating a message; and transmitting, from a resource sectioned on a time axis, control information for the message and the message when the size of the message is larger than a predetermine value, and transmitting, from a resource sectioned on a frequency axis, the control information for the message and the message when the size of the message is smaller than the predetermined value.

Abstract: A data transmission method is applied to a primary base station and includes: configuring, for a secondary base station, a carrier parameter used by the secondary base station; configuring, for a terminal, an autonomous rejection rule for an inter-modulation distortion occurred between a carrier used by the secondary base station and a carrier used by the primary base station; sending the carrier parameter and information associated with the autonomous rejection rule to the terminal.

Abstract: This document describes methods, devices, systems, and means for a switching scheme for opting in and out of multi-user orthogonal frequency-division multiple access (MU-OFDMA). In one aspect, an electronic device enters the MU-OFDMA mode to communicate via a wireless network over a shared-channel bandwidth. During the MU-OFDMA mode, the electronic device determines that an uplink-queue size is greater than a first threshold size. Responsive to the determining, the electronic device opts out of the MU-OFDMA mode and enters a single-user mode to contend for a transmit channel for transmitting uplink data.

Abstract: The present invention provides for a method of configuring a physical channel, such as a physical control channel, for device-to-device communication between mobile terminal devices within a cellular communications network environment and comprising a step of locating a device-to-device control channel within a cellular uplink signaling spectrum, and applying a frequency offset parameter to determine separation of the device-to-device control channel from a cellular uplink control channel, and to related terminal devices and computer program products.

Abstract: A user equipment in a radio communication system including a base station and the user equipment, the user equipment including: a resource management unit that retains configuration information of a resource capable of transmitting uplink data without receiving uplink data transmission permission from the base station; and a transmission unit that transmits a signal indicating that uplink data transmission using the resource is performed to the base station.

Abstract: Provided are an information transmission method and apparatus, the method includes: receiving, by a terminal, a signal sent by a base station at a preset first time-frequency position; and detecting the signal, and determining whether to detect a physical downlink channel according to a detection result for the signal.

Abstract: A method includes receiving a first higher-layer signal from a base station, wherein the first higher-layer signal enables the use of single PDCCH scheduling PDSCH(s) in two or more serving cells; receiving a second higher-layer signal from the base station, wherein the second higher-layer signal enables the use of cross-carrier HARQ management within the serving cells; receiving DCI in one of the serving cells to obtain the scheduling information of PDSCH(s) in the serving cells; receiving the scheduled PDSCH(s) in the serving cells based on the received DCI to obtain downlink transport blocks carried in the scheduled PDSCH(s); and sending downlink transport blocks to a HARQ entity of the serving cell indicated in the DCI carried in a PDCCH for HARQ management based on a HARQ process number indicated in the DCI carried in the PDCCH.

Abstract: Certain aspects of the present disclosure provide techniques for direct transport block (TB) forwarding in relaying operations. A method that may be performed by a relay node includes receiving, from a source node, an indication to directly forward a TB to a destination node, wherein directly forwarding includes transmitting the TB to the destination node through only a Physical (PHY) layer and a hybrid automatic repeat request (HARM) portion of a Media Access Control (MAC) layer in a protocol stack of the relay node and directly forwarding the TB to the destination node based, at least in part, on the indication.

Abstract: Optimal determination of wireless network pathway configurations may be provided. A computing device may receive an error profile and a response instruction associated with the error profile, as generated by a network controller. The computing device may then monitor, for an error, on a communication Track, in a network, between an ingress node and an egress node. Then, the computing device, upon detecting the error, can determine that the error is similar to the error profile, and based on the determination that the error is similar to the error profile, enact the response instruction. The response instruction can direct the computing device to switch from the communication Track to a communication subTrack between the ingress node and the egress node.

Abstract: An approach to communication by a user equipment (UE) in a wireless communication system that includes the UE sending an RRC setup request message including a paging offset value to a base station. The UE receives an RRC setup message from the network node, the RRC setup message including a PS-paging offset value and a PS-P-RNTI value associated with the UE. Energy conservation approaches for use with paging are described, including paging occasion monitor reporting and configuration, paging-offset reporting, the use of a paging monitoring skipping signal, and the use of dynamic TRS triggering for paging reception.

Abstract: The present disclosure includes as one aspect a device comprising: a receiver capable of receiving control signal from a base station in a first set of control resources and in a second set of control resources, a transmitter capable of transmitting control signals and data, a circuitry which, when in operation, controls: the transmitter to transmit a random access message associated with the first set of control resources and to transmit communication device capability indication; the receiver to monitor control resources in the first set of control resources after transmitting the random access message and to receive within the first set of control resources configuration of the second set of control resources; the receiver to monitor control resources in the first set of control resources and/or in the second set of control resources after receiving the configuration of the second set of control resources.

Abstract: A device and method for handling HARQ feedback in a mobile communication system are disclosed. The HARQ feedback handling method includes: analyzing a control message from a base station to recognize presence of HARQ feedback relationships between downlink carriers and uplink carriers; determining an uplink carrier (a downlink carrier) to support HARQ feedback in response to downlink traffic (uplink traffic) sent through a downlink carrier (an uplink carrier); and sending (receiving) HARQ feedback through the determined uplink carrier (downlink carrier).

Abstract: The present disclosure relates to a user equipment (UE) which receives, from a base station via an unlicensed radio cell, uplink configuration information to configure at least one set of radio resources of the unlicensed radio cell available for transmitting uplink control information, the radio resource set being associated with a UE group ID indicating a UE group to which the UE is associated. The UE receives, from the base station, downlink control information, DCI, indicating a UE group ID. The UE, when determining that the associated UE group ID is the same as the UE group ID indicated by the DCI, determines scheduling request radio resources within the at least one set of uplink control information radio resources based on the received downlink control information. The UE transmits a scheduling request to the base station using the determined scheduling request radio resources.