Abstract: Methods, systems, and apparatuses are provided for User Equipment (UE) Timing Advance (TA) reporting in a wireless communication system. The UE can appropriately trigger the TA report with the different configurations by system information (e.g., for Random Access (RA) procedure, for TA report during RA, etc.) and dedicated signaling (e.g., for Radio Resource Control (RRC) connected mode, for event-triggered TA report, etc.). A method for a UE in a wireless communication system can comprise receiving a first configuration of TA report, receiving a second configuration of TA report, and determining whether to trigger a second TA report upon receiving the second configuration based on whether a first TA report has been transmitted to a serving cell.

Abstract: Provided is a precoding method for generating, from a plurality of baseband signals, a plurality of precoded signals to be transmitted over the same frequency bandwidth at the same time, including the steps of selecting a matrix F[i] from among N matrices, which define precoding performed on the plurality of baseband signals, while switching between the N matrices, i being an integer from 0 to N?1, and N being an integer at least two, generating a first precoded signal z1 and a second precoded signal z2, generating a first encoded block and a second encoded block using a predetermined error correction block encoding method, generating a baseband signal with M symbols from the first encoded block and a baseband signal with M symbols the second encoded block, and precoding a combination of the generated baseband signals to generate a precoded signal having M slots.

Abstract: Systems, methods, and computer-readable media for synchronizing oscillators. A system can include a plurality of oscillators comprising at least a first oscillator and a second oscillator. The system can also include a plurality of antennas comprising at least a first antenna and a second antenna. Further, the system can include a first oscillator synchronizer coupling the first oscillator to the first antenna. The first oscillator synchronizer can be operative to perform a first synchronization of a first time base of the first oscillator to a second time base of the second oscillator based on a first mutual coupling signal. The first mutual coupling signal can represent a first interaction between the first antenna and the second antenna.

Abstract: Certain aspects of the present disclosure relate to beam selection. An example method generally includes selecting, from a plurality of beams, a beam for transmission during a particular time interval within a time window, the selecting being based on a transmission power and a radio frequency (RF) exposure for each of the plurality of beams and transmitting at least one signal using the selected beam during the particular time interval.

Abstract: Certain aspects of the present disclosure provide techniques for coverage enhancement information indication via wake-up signaling. An example method generally includes obtaining a message, the message including: a first field including at least one wake-up indication bit associated with a user equipment (UE) and a second field including coverage information associated with at least one downlink channel. The method may also include monitoring for the at least one downlink channel based, at least in part, on the message.

Abstract: Disclosed herein are related to coordinating communication among a first access point, a first station device, a second access point, and a second station device. In one aspect, the second access point receives, from the first access point, a first beacon of the first access point at a first beacon transmission time. The first beacon may indicate an offset between the first beacon transmission time of the first beacon and a first data transmission time of the first access point for communication between the first access point and a first station device. In one aspect, the second access point may determine, according to the offset, a second data transmission time of the second access point to be distinct from the first data transmission time of the first access point. The second access point may communicate with a second station device, according to the second data transmission time.

Abstract: Disclosed is a method and apparatus for generating information indicating a synchronization signal (SS) block. A method comprises: determining a frequency resource associated with a wireless device; determining, by a base station and based on the determined frequency resource, whether to add or omit a first bitmap indicating a plurality of groups in which at least one synchronization signal (SS) block is transmitted: generating, based on the determining to add the first bitmap, system information comprising a parameter comprising: the first bitmap; and a second bitmap indicating a position of one or more transmission SS blocks in each of the plurality of groups; and transmitting, based on the position, the one or more transmission SS blocks each comprising a Physical Broadcast Channel (PBCH) and a synchronization signal.

Abstract: An embodiment may comprise: transmitting, by a user device in a low activity state a type of the low activity state being according to an anchor access node, a random access message to a network node providing a target cell of a cell reselection. The method may also comprise, in response to receiving a random access response for the random access message from the network node providing the target cell, transmitting, to the network node providing the target cell, a radio connection reactivation request, the reactivation request comprising an indication of an anchor access node of the user device. The method may also comprise, in response to the radio connection reactivation request, receiving a radio connection reactivation message indicating a radio connection reactivation to the anchor access node as a logical link associated with a radio link provided by the target cell of the cell reselection or receiving an inactivation message.

Abstract: [Object] To provide innovation with respect to which synchronization signal a communication device uses to conduct a synchronization process. [Solution] Provided is a communication device including: a selection unit configured to select a synchronization signal from respective synchronization signals received from two or more other devices on a basis of origin information that is acquired by communication with another device and that indicates an origin of a synchronization signal used for acquisition of synchronization timing in the other device; and a synchronization processing unit configured to acquire synchronization timing using the synchronization signal selected by the selection unit.

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications, and more particularly, to detecting data inactivity and expediting recovery action. A method that may be performed by a user equipment (UE) includes maintaining at least one inactivity timer to detect when uplink or downlink data transfer between the UE and network has stalled and expediting one or more recovery actions if the inactivity expires due to one or more conditions.

Abstract: Methods, systems, and devices for scrambling initialization indication for higher bands are described. For example, a user equipment (UE) may receive a synchronization signal block (SSB) from a base station, the SSB including a primary synchronization signal (PSS), a data payload, and a demodulation reference signal (DMRS). The UE may identify a first part of a cell identifier (ID) of the base station, a second part of the cell ID, or both, indicated in a sequence of the DMRS, indicated in the data payload, or a combination thereof. The UE may monitor for a message from the base station based on identifying the cell ID.

Abstract: Embodiments of the present invention are drawn to a computer-implemented process for automatically synchronizing TXOPs for a multi-link device (MLD) to improve wireless network performance and prevent IDC. The novel process can be performed by a multi-link device performing a multi-link operation, and the multi-link device can act as a wireless access point or a wireless station. Independent EDCA channel access can be performed at the multi-link device on a first wireless link and a second wireless link, and a back-off counter for a first wireless STA and a back-off counter for a second wireless STA are set according to the independent EDCA channel access. A TXOP is synchronously obtained on the first wireless link and the second wireless link responsive to the back-off counters expiring, and a multi-link operation is performed at the MLD using the first wireless link and the second wireless link during the TXOP.

Abstract: Disclosed is a method and apparatus for generating information indicating a synchronization signal (SS) block. A method comprises: determining a frequency resource associated with a wireless device; determining, by a base station and based on the determined frequency resource, whether to add or omit a first bitmap indicating a plurality of groups in which at least one synchronization signal (SS) block is transmitted: generating, based on the determining to add the first bitmap, system information comprising a parameter comprising: the first bitmap; and a second bitmap indicating a position of one or more transmission SS blocks in each of the plurality of groups; and transmitting, based on the position, the one or more transmission SS blocks each comprising a Physical Broadcast Channel (PBCH) and a synchronization signal.

Abstract: A terminal is disclosed including a receiver that receives a synchronization signal/physical broadcast channel (SS/PBCH) block including a synchronization signal (SS) and a physical broadcast channel (PBCH); and a processor that determines a control resource set based on configuration information in a configuration information set of a plurality of configuration information sets, the configuration information set being associated with information based on the SS/PBCH block, the configuration information being associated with a value of a field in the PBCH, and the configuration information including a plurality of parameters regarding the control resource set. In other aspects, a radio communication method and a base station are also disclosed.

Abstract: A method performed by a User Equipment (UE) for managing Time Alignment (TA) for Uplink (UL) transmissions between the UE and a network node in a wireless communications network. The network node serves a cell comprising at least a first UL carrier (111) and a second UL carrier (112). The UE is configured (502) with a first TA configuration for the first UL carrier (111) in the cell. The UE is further configured (503) with a second TA configuration for the second UL carrier in the cell. The UE then activates (504) at least one of the first and second TA configuration for the UE.

Abstract: A temporal correlation may be determined between times specified according to different time standards on different storage network components. A host system may poll a storage system periodically. In response to each poll request, the storage system may respond with the current time on the storage system (CST) according to the time standard of the storage system. The host system may store temporal correlation information (TCI) associating the CST and the current time on the host system (CHT) according to the time standard of the host system. A data structure (TCT) may be provided, where each entry may specify TCI for a CST/CHT pair, the TCI including the CST, CHT and other information corresponding to the temporal correlation between the pair. The TCI may be used to correlate the time of a phenomenon according to the host system time standard to a time according to the storage system time standard.

Abstract: A method at a first device for synchronising a first clock of the first device to a second clock of a second device, includes receiving a first message comprising an identifier from a third device; generating a first timestamp in dependence on the time at which the first message is received at the first device according to the first clock; receiving a second message from the second device comprising the identifier and a second timestamp, the second timestamp having been generated in dependence on the time at which the second device received the first message from the third device according to the second clock; and adjusting the first clock in dependence on a time difference between a time indicated by the first timestamp and a time indicated by the second timestamp.

Abstract: A method of controlling communications within a wireless communications network is provided. The method comprises in advance of transmitting the data by a child node to a donor node, configuring, by one of the donor node and a parent node, a Buffer Status Report, general BSR timer for the child node, the general BSR timer being common and synchronised among at least a subset of a plurality of infrastructure equipment, receiving, at the parent node, subsequent to expiry of the general BSR timer, a signal comprising a BSR from the child node indicating an amount of uplink data that the child node has ready to transmit to the parent node, and scheduling, by the parent node, in accordance with the BSR received from the child node, communications resources of the backhaul communications link to the child node in which the child node is to transmit the uplink data.

Abstract: Systems and methods are disclosed herein for blind frequency synchronization.

Abstract: The present invention discloses a method for processing a preamble sequence and header for a data packet, comprising the following steps of: using a bit sequence of a fixed pattern to replace a scrambled pseudo-random bit sequence in a SYNC field in the preamble sequence, and spreading the SYNC field by a Barker code; extending a length of a spreading code and spreading an SFD field in the preamble sequence by the extended spreading code; and extending a length of a spreading code and spreading a header field by the extended spreading code. The present invention may significantly improve the performance of reception and detection for the preamble sequence (the SYNC field and the SFD field) and the PLCP header field, better overcome long-distance channel conditions, enhance the signal stability of transmission; and meanwhile the present invention is easy to implement and only requires little modifications to the circuit of a conventional Wi-Fi device.

Abstract: A user equipment (UE) can include processing circuitry configured to decode downlink control information (DCI) from a base station, the DCI including a modulation coding scheme (MCS) index and physical uplink shared channel (PUSCH) allocation. A demodulation reference signal (DM-RS) is encoded for transmission to the base station within a plurality of DM-RS symbols based on the PUSCH allocation. A phase tracking reference signal (PT-RS) time domain density is determined based on the MCS index and a number count of the DM-RS symbols for the DM-RS transmission. The PT-RS is encoded for transmission using a plurality of PT-RS symbols based on the determined time domain density. The plurality of symbols includes one or both of front-loaded DM-RS symbols and additional DM-RS symbols.

Abstract: A base station distributed unit receives, from a wireless device in a radio resource control (RRC) non-connected state, one or more transport blocks via a periodic resource. The base station distributed unit determines an absence of communication with the wireless device. The base station distributed unit sends, to a base station central unit, one or more messages indicating release of the periodic resource based on the absence of communication.

Abstract: Cellular (e.g., LTE or UMTS) and global navigation satellite system (GNSS) based technologies can provide ubiquitous and seamless synchronization solution for LTE-based vehicle to everything (V2X) or Proximity Services synchronization (ProSe) services. For example, by using joint GNSS timing references and LTE cellular network timing references for V2X or ProSe system synchronization benefits of using GNSS technologies to improve synchronization procedure for LTE based V2X or ProSe services can be enabled, including: (1) accurate and stable timing, (2) availability of a global and stable timing reference and (3) ability to propagate GNSS timing by user equipment having sufficient GNSS signal quality.

Abstract: A method includes, at a first node: transmitting a first calibration signal at a first time-of-departure measured by the first node; and transmitting a second calibration signal at a second time-of-departure measured by the first node. The method also includes, at a second node: receiving the first calibration signal at a first time-of-arrival measured by the second node; and receiving the second calibration signal at a second time-of-arrival measured by the second node. The method further includes: defining a first calibration point and a second calibration point in a set of calibration points, each calibration point comprising a time-of-departure and a time-of-arrival of each calibration signal; calculating a regression on the set of calibration points; and calculating a frequency offset between the first node and the second node based on the first regression.

Abstract: In one aspect, an apparatus is described that includes a transparent pane having a first surface and a second surface. An electrochromic device is arranged over the second surface that includes a first conductive layer adjacent the second surface, a second conductive layer, and an electrochromic layer between the first and the second conductive layers. The apparatus further includes at least one conductive antenna structure arranged over the second surface.

Abstract: A configuration to enable a UE to switch beams of respective CCs based on certain factors (e.g., RTD or TCI states), and not switch the beams simultaneously. The apparatus receives, from a base station, a transmission including an indication to change at least one of a TCI state for multiple CCs, a spatial relation for the multiple CCs, or a PL RS for the multiple CCs. The apparatus switches beams in response to the transmission, where timing of the switching is based on a grouping of the multiple CCs.

Abstract: Embodiments of the present invention provide a synchronization method, user equipment, and a base station. The synchronization method includes: obtaining, by user equipment, synchronization information, where the synchronization information includes at least one of the following information: synchronization source selection parameter information, synchronization source indication information, or synchronization source priority information; receiving, by the user equipment, a first synchronization signal sent by at least one synchronization source; and determining, by the user equipment, a synchronization reference source according to the synchronization information and the first synchronization information.

Abstract: Provided herein are various embodiments for synchronizing playback of audio and video. An embodiment operates by determining that a first quality video is being received at a media device. It is determined that a buffer of the media device is not large enough to buffer the first quality video long enough to synchronize an output of the high quality video with the output of the audio by one or more wireless speakers. A second quality of the video that the buffer can hold long enough to synchronize is identified, wherein the second quality of the video is lower than the first quality of the video. The media device outputs the video at the second quality and the corresponding audio to the one or more wireless speakers.

Abstract: A method is provided. The method includes obtaining, by UE, signal quality of a first cell operating on a first transmission carrier frequency. When the UE determines that the signal quality of the first cell is higher than a preset threshold, and the UE receives first indication information sent by the first cell, the method includes selecting, by the UE, the first cell as a serving cell, where the first indication information indicates that the first cell can control the UE to transmit device-to-device D2D service data on a second transmission carrier frequency, and the first transmission carrier frequency and the second transmission carrier frequency are located at different frequencies.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus synchronization configuration in different operation modes using communications systems operating according to new radio (NR) technologies. For example, a method for wireless communications by a base station (BS) may include determining an operation mode of the BS, determining a transmission configuration of at least one of a one or more synchronization channels or a one or more synchronization signals based on the operation mode, and transmitting the one or more synchronization channels or the one or more synchronization signals based on the determined transmission configuration.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may rate match an uplink transmission around a set of resources reserved by a base station. The base station may indicate a set of reserved resources which overlaps an uplink resource allocation to the UE. The base station may transmit an indicator of the reserved resources, and the UE may identify a location of a clear channel assessment (CCA) gap in a symbol period relative to the reserved resources. By rate matching around the reserved resources and one or more CCA gaps, the UE may transmit uplink information despite the allocated uplink resources colliding with the reserved resources.

Abstract: The disclosure relates to a communication method and system for converging a 5G communication system for supporting higher data rates beyond a 4G system with a technology for IoT. A method of a NW-TT is provided. The method includes receiving a first announce message via user plane from a first DS-TT using a first PDU session between the NW-TT and the first DS-TT, receiving a second announce message from a N6 interface, determining port states for each port of the first DS-TT and the NW-TT with the first and second announce message using a BMCA procedure, if GM is external to a time synchronization network, generating a third announce message based on the first and second announce message for each master port in the first DS-TT and the NW-TT, and transmitting the third announce message to the first PDU session related to the master port in the first DS-TT.

Abstract: There is provided an electronic device having Bluetooth communication function. The electronic device confirms whether the received signal power is larger than a power threshold within an interval of 72 microseconds every time an RF receiver is turned on in the receive slot so as to determine whether to continuously keep the RF receiver being turned on or to turn off the RF receiver to save power.

Abstract: Disclosed are techniques for handling collisions between multiple radio resource control (RRC) connection establishment procedures for multiple connection events, such as mobile terminating pages and tracking area updates.

Abstract: A synchronization method performed for a first piece of audio equipment connected to a wireless network via a first radio point that is identified by a first BSSID, the method comprising the steps of: detecting a second piece of audio equipment connected to the same wireless network and forming part of the same audio group; acquiring a second BSSID of a second radio point via which the second piece of audio equipment is connected to the wireless network, and then determining whether the first BSSID and the second BSSID are identical; if not, performing a selection stage to select an optimum radio point that is identified by an optimum BSSID; if the optimum BSSID is different from the first BSSID, connecting the first piece of audio equipment to the wireless network via the optimum radio point.

Abstract: Disclosed are a method for performing a random access procedure between a terminal and a base station in a wireless communication system and a device supporting the same. More particularly, the present invention provides a description of a method for performing a random access procedure between a terminal and a base station in a wireless communication system capable of transmission or reception of a signal through a plurality of beams. The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, the base station or a network.

Abstract: The present disclosure relates to a pre-5G or 5G communication system to be provided for supporting higher data rates beyond 4G communication system such as LTE. A method of transmitting a synchronization signal for device-to-device (D2D) communication in an asynchronous network is provided. The method includes transmitting, at the first cell, a system information block (SIB) including resource allocation information of a first cell and at least one neighboring cell, determining whether a first terminal is in a first mode and whether the first terminal is scheduled to perform one of a D2D communication and a D2D discovery, determining, when the first terminal is in the first mode, whether the first terminal is required to transmit a D2D synchronization signal (D2DSS), and transmitting, when the first terminal is required to transmit the D2DSS, scheduling information including a transmission time point and transmission reference timing information to the first terminal.

Abstract: A method for accessing an access point by a station device, a device, and a system. A station device selects a master access point from multiple access points according to channel quality and accesses the master access point, and sends information about remaining access points to the master access point, so that the master access point selects a slave access point according to the information about the remaining access points.

Abstract: A detection circuit is provided in the invention. The detection circuit includes a synchronous circuit, a comparison circuit and a fail-signal generating circuit. The comparison circuit is coupled to the synchronous circuit. The comparison circuit compares a target signal with a reference signal to generate a comparison result. The frequency of the reference signal is lower than the frequency of the target signal. The fail-signal generates circuit is coupled to the synchronous circuit and the comparison circuit. The fail-signal receives the comparison circuit. According to the comparison circuit, the fail-signal determines whether the target signal has failed.

Abstract: Apparatuses, methods, and systems are disclosed for multiple radio access technology communications. One method includes receiving control information at a device on a first radio access technology, wherein: the control information comprises radio access technology information, sidelink resource allocation information, and timing offset information; the radio access technology information indicates that the sidelink resource allocation information is for a second radio access technology; and the first radio access technology is different from the second radio access technology; and wherein the timing offset information is used in the device to determine a time to apply the sidelink resource allocation for the second radio access technology.

Abstract: A base station, a terminal device, a control method, and a program for communication handover are provided. First information indicating one or more base stations which are candidates for a handover destination of a terminal device in connection from a base station, is acquired. Second information regarding communication quality predicted in a communication through a candidate base station for each of the candidate base stations is acquired based on the first information. Third information regarding the communication quality for at least one of the candidate base stations is notified to the terminal device based on the second information. The third information is used to handover of the terminal device.

Abstract: A method for matching time synchronization between UEs during Device-to-Device (hereinafter referred to as “D2D”) communication in a radio communication system without involving an Evolved Node B (ENB) is proposed. Using the proposed method, all the UEs can operate to match the time synchronization without malfunction in accordance with a synchronization signal of the ENB even if the UE inside an ENB area and the UE outside the ENB area coexist.

Abstract: A communication device includes: a communication unit that performs wireless communication; and a control unit (103) that performs control so that a plurality of synchronization signals is patterned and arranged in regions to which resources of the wireless communication are allocated and is transmitted to another terminal device, the plurality of synchronization signals being associated with each of a plurality of beams allocated to be available for inter-device communication between different terminal devices, in which the control unit (103) performs control so that a pattern in which the plurality of synchronization signals is arranged is switched according to a predetermined condition.

Abstract: A wireless device and network node are provided. According to one aspect, the wireless device includes processing circuitry configured to determine at least a first timing adjustment parameter based on at least a first numerology 5 parameter and adjust the timing of an uplink transmission based on the first timing adjustment parameter. According to another aspect, a method includes a timing adjustment parameter determiner module configured to determine at least a first timing adjustment parameter based on at least a first numerology parameter. The method also includes a timing adjustment module configured to adjust the timing of an uplink transmission based on the first timing adjustment parameter. These arrangements allow for the preservation of network node reception performance.

Abstract: Technology for a Next Generation NodeB (gNB) operable to encode a primary synchronization signal for transmission to a user equipment (UE) is disclosed. The gNB can identify a sequence d(n) for a primary synchronization signal. The sequence d(n) can be defined by: d(5 n)=1.2s(n), where s(n) is a maximum run length sequence (msequence) and s(n) is provided as s(n+7)=(s(n +4)+s(n)) mod 2, where 0.n.127. The gNB can generate the primary synchronization signal based on the sequence d(n). The gNB can encode the primary synchronization signal for transmission to the UE.

Abstract: Disclosed herein are related to coordinating communication among a first access point, a first station device, a second access point, and a second station device. In one aspect, the second access point receives, from the first access point, a first beacon of the first access point at a first beacon transmission time. The first beacon may indicate an offset between the first beacon transmission time of the first beacon and a first data transmission time of the first access point for communication between the first access point and a first station device. In one aspect, the second access point may determine, according to the offset, a second data transmission time of the second access point to be distinct from the first data transmission time of the first access point. The second access point may communicate with a second station device, according to the second data transmission time.

Abstract: Systems and methods for providing data beacons are disclosed. In some embodiments the system can include a first node and a second node. Each node includes a read queue, a write queue and a parallel file system. Data is written from the write queue on the first node to the parallel file system on the second node and from the write queue on the second node to the parallel file system on the first node. The read queue on each node receives data from the parallel file system on the node itself.

Abstract: Various embodiments provide a communication method and a communications apparatus. In those embodiments, a terminal device receives first indication information and second indication information from a network device. The first indication information indicates a position of a first reference point, the second indication information indicates a first quantity, the first quantity is a quantity of offset units between the first reference point and a second reference point, and the second reference point is an endpoint of a first physical resource block (PRB). The terminal device determines a position of the first PRB based on the first indication information, the second indication information, and an identifier of a subcarrier corresponding to the first reference point. Therefore, the terminal device can complete, without learning of a system bandwidth, a process of determining a PRB corresponding to a start point of a PRB number in the system bandwidth.

Abstract: The present disclosure relates to a communication technique for combining, with an IoT technology, 5G communication system for supporting a data transmission rate higher than that of 4G systems, and to a system thereof. The present disclosure may be applied to intelligent services (e.g., a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, security and safety-related service, etc.), based on a 5G communication technology and an IoT-related technology. An embodiment of the present invention relates to a method and device for paging a terminal by using a beam antenna.

Abstract: According to some embodiments, a wireless device receives (1020) a discovery burst from a network node (115). The same discovery burst includes multiple signals within at least one subframe, each of the multiple signals having one or more associated measurement functions. At least one of the multiple signals is received with multiple repetitions within the same discovery burst and two or more repetitions of the same type of signal can be combined by the wireless device. The wireless device performs (1024) at least one radio measurement based at least in part on a particular one of the signals of the discovery burst. The performed at least one radio measurement corresponds to a measurement function associated with the particular signal of the discovery burst.