Abstract: Methods, apparatuses and computer program products for information transmitting and receiving in a wireless communication system. A method in a network device that serves a first cell with a first RAT comprises receiving, from a network controlling device, configuration information for a second cell operating with a second RAT different from the first RAT. The method further comprises broadcasting the configuration information to a terminal device, and the configuration information is encoded according to the second RAT.

Abstract: Some embodiments herein relate to a method performed by a wireless device (10) for handling communication of the wireless device (10) in a wireless communication network (1), wherein a first radio network node serves the wireless device (10) and the wireless communication network (1) further comprises a second radio network node (13). The wireless device receives a handover command from the first radio network node (12) indicating a handover to a cell served by the second radio network node (13), the handover command comprises a beam indication, such as a threshold, controlling which beam of the cell to select by the wireless device (10). The wireless device (10) further selects a beam of the cell based on at least the beam indication.

Abstract: A radio network node (110) and a method therein for managing transmission of at least one channel quality report and a user equipment (120) a method therein for handling transmission of at least one channel quality report are disclosed. The radio network node (110) sends, to the user equipment (120), a first message comprising information about at least one resource for use by the user equipment (120) when transmitting the at least one channel quality report. The radio network mode (110) sends, to the user equipment (120), a second message for activating, in the user equipment (120), the transmission of the at least one channel quality report. The radio network node (110) receives, from the user equipment (120), a first channel quality report of the at least one channel quality report. The first channel quality report is received on the at least one resource on an uplink control channel.

Abstract: The present disclosure provides a PRACH scheduling method at a network node, comprising: generating a scheduling message which includes at least resource block RB assignment information for physical random access channel PRACH, the RB assignment information for PRACH indicating uplink resource for a user equipment UE to transmit a PRACH message; and transmitting the scheduling message on a downlink channel to the UE. The present disclosure also provides a corresponding network node, a scheduled PRACH transmission method at a UE, and a corresponding UE.

Abstract: A method for communications is proposed. The method may comprise obtaining configuration information from a network node. The configuration information may indicate random access configurations in two or more carriers comprising a first carrier and a second carrier. The second carrier may have a lower carrier frequency than the first carrier. The method may further comprise determining whether to perform a random access in the second carrier based at least in part on the configuration information.

Abstract: According to an aspect, one or more network nodes of a wireless communication system sends, to a wireless device operating in the wireless communication system, mobility reference signal (MRS) configuration information, the MRS configuration information specifying one or more parameters for each of a plurality of MRS configurations. The network node subsequently sends, to the wireless device, an activation command indicating that at least a first one of the MRS configurations is to be used by the wireless device, the activation command including an index identifying the first one of the MRS configurations from among the plurality of MRS configurations. The wireless device receives the MRS configuration information and the activation command. The wireless device searches for at least one MRS specified by the first one of the MRS, responsive to the activation command and performs at least one measurement on the at least one MRS.

Abstract: A method for communications is proposed. The method may comprise receiving a signaling message from a network node. The signaling message may indicate a subcarrier spacing numerology for a synchronization signal transmission. The method may further comprise determining the subcarrier spacing numerology, based at least in part on the signaling message.

Abstract: The embodiments of the present disclosure disclose an ultrasound imaging method and system, the method may include transmitting a plurality of plane wave ultrasound beams to a scan target and acquiring corresponding plane wave echo signals; transmitting focused ultrasound beams to the scan target and acquiring corresponding focused beam echo signals; acquiring a plurality of velocity components of a target point in the scan target using the plane wave echo signals, and acquiring velocity vectors of the target point according to the plurality of velocity components; acquiring an ultrasound image of the scan target using the focused beam echo signals; and displaying the velocity vector and the ultrasound image.

Abstract: The disclosure provides methods and apparatus relating to synchronization sequence detection in a wireless communication network. In one embodiment, a method is provided in a user equipment for a wireless communication network. A plurality of base stations are operative in the wireless communication network. The method comprises: detecting one or more parameters of synchronization sequence, SS, blocks transmitted by a second base station of the plurality of base stations; and reporting the detected one or more parameters of SS blocks transmitted by the second base station to a first base station of the plurality of base stations.

Abstract: Embodiments of the disclosure generally relate to determining configuration of a DRX timer. A wireless device determines a relationship between a DRX timer and different scheduling units and determines a time unit of the DRX timer based on the determined relationship. Then, the wireless device calculates a time interval indicated by the DRX timer based on the time unit.

Abstract: The present disclosure provides a control channel monitoring method at a UE, comprising: monitoring only a first type of control channel in a first state of the UE; if first control information which indicates data required by the UE in the first state on a data channel is detected on the first type of control channel, decoding the first control information in order to obtain the data required by the UE in the first state on the data channel; and monitoring only a second type of control channel when the UE is in a second state which is transited from the first state. The present disclosure also provides a corresponding UE, a control channel configuration and transmission method at a network node, and a corresponding network node.

Abstract: Some embodiments herein relate to a method performed by a wireless device (10) for handling communication of the wireless device (10) in a wireless communication network (1), wherein a first radio network node serves the wireless device (10) and the wireless communication network (1) further comprises a second radio network node (13). The wireless device receives a handover command from the first radio network node (12) indicating a handover to a cell served by the second radio network node (13), the handover command comprises a beam indication, such as a threshold, controlling which beam of the cell to select by the wireless device (10). The wireless device (10) further selects a beam of the cell based on at least the beam indication.

Abstract: Methods, apparatuses and computer program products for information transmitting and receiving in a wireless communication system. A method in a network device that serves a first cell with a first RAT comprises receiving, from a network controlling device, configuration information for a second cell operating with a second RAT different from the first RAT. The method further comprises broadcasting the configuration information to a terminal device, and the configuration information is encoded according to the second RAT.

Abstract: Embodiments of the present disclosure provide methods and apparatuses for multiple antenna systems. A method implemented at a network device may include: transmitting at least one reference signal to at least one user equipment by using at least one muting sequence of an antenna array; receiving measurement results of the at least one reference signal corresponding to the at least one muting sequence from the at least one user equipment; selecting one muting sequence from the at least one muting sequence based on the measurement results; and applying the selected muting sequence of the antenna array.

Abstract: A host configured to operate in a communication system to provide an over-the-top (OTT) service is proposed. The host computer includes processing circuitry providing user data and a network interface initiating transmission of the user data to a network node in a cellular network for transmission to a user equipment (UE). The network node has a communication interface and processing circuitry, configured to perform operations including determining a signaling message that indicates a subcarrier spacing numerology for a synchronization signal transmission, transmitting the signaling message to the UE, and transmitting the user data to the UE. The signaling message includes a MeasObjectNR information element that indicates the subcarrier spacing numerology for the synchronization signal transmission.

Abstract: A method for communications is proposed. The method may comprise receiving a signaling message from a network node. The signaling message may indicate a subcarrier spacing numerology for a synchronization signal transmission. The method may further comprise determining the subcarrier spacing numerology, based at least in part on the signaling message.

Abstract: Embodiments of the present disclosure provide methods, apparatuses and computer program products for enabling efficient uplink data transmission in a wireless communication system. A method implemented at a user equipment (UE) includes: receiving an uplink grant from a network node, the uplink grant indicating a granted resource associated with a plurality of channels; detecting availability of the plurality of channels; determining an uplink transmission parameter based on the uplink grant and a result from the detection; and transmitting data to the network node according to the determined uplink transmission parameter. Embodiments of the present disclosure may enable adaptive uplink transmission and increase uplink transmission opportunity.

Abstract: Methods and devices for carrier sensing are disclosed. In an embodiment, a method for carrier sensing implemented at a terminal device comprises determining at least one transmission resource schedulable for uplink data transmission on a channel operating in an unlicensed spectrum, determining at least one carrier sensing process respectively for the at least one transmission resource, and performing the carrier sensing on the channel according to the determined at least one carrier sensing process before reception of downlink scheduling information for the uplink data transmission.

Abstract: A method and device for determining power control configuration. it is determined whether a first transmit power control configuration based on a first uplink transmission is outdated; and a second transmit power control configuration for a second uplink transmission is determined based on a power control scheme. Therefore, transmit power control efficiency of sparse data transmissions may be improved.

Abstract: A terahertz security inspection robot is provided, including: a housing including a main housing and a head housing rotatably connected to the main housing; a terahertz wave imaging mechanism including a mirror assembly arranged in the head housing and a detector array arranged in the main housing; and a rotating mechanism configured to cause the head housing and the mirror assembly located in the head housing to rotate with respect to the main housing, so that the mirror assembly of the terahertz wave imaging mechanism is oriented in different directions to respectively perform terahertz scanning and imaging on objects to be inspected in different inspection regions in a security inspection scene.