Abstract: Provided are a method for indicating reference signal configuration information, a base station and a terminal. The method includes that a first communication node determines joint signaling and the first communication node transmits the joint signaling to a second communication node. The joint signaling includes first information and second information. The first information includes at least one of the following: quasi-colocation configuration information and configuration information of a transmission beam. The second information includes at least one of the following: configuration information of a phase tracking reference signal and configuration information of a demodulation reference signal.

Abstract: Provided are a method and device for determining a reference timing, a storage medium and an electronic device. The method comprises: a second node determining a reference timing of the second node by using at least one of the following modes: an open-loop mode, a closed-loop mode and an external synchronization source mode. By means of the present disclosure, the problem in the related art that there is no technical solution for setting a reference timing between each-hop links yet exists is solved.

Abstract: Embodiments of the present disclosure provides a chip and a method of forming the same and a package structure, the chip includes a base substrate and conductive bumps located on the base substrate, a planar shape of each bump has a long axis and a short axis extending through a center of the bump, a length of the long axis is greater than that of the short axis, the conductive bumps include bump unit rows each of which includes initial bump units arranged along a first direction and a first expanded bump unit located between adjacent initial bump units; the bump unit rows are arranged in a second direction, with a second expanded bump unit disposed between adjacent bump unit rows, the conductive bumps include a first pattern, a second pattern and an additional pattern formed by corresponding bumps, and each having bumps with different rotation angles.

Abstract: The application discloses a signal transmission method and device. The signal transmission method comprises: a first communication node determining a mode for transmitting data in a time unit to a second communication node; and the first communication node transmitting data to the second communication mode in the time unit according to the determined mode for transmitting data. The data includes N data sets, where N is a positive integer. A data transmission method for M data sets in the data is known by the second communication node. Related information of a data transmission method for (N?M) data sets is notified to the second communication node by the first communication node by means of a control signal in the time unit, where M is less than or equal to N.

Abstract: Presented are systems and methods for wireless communication. In one aspect, a wireless communication device determines a first demodulation reference signal (DMRS) table. In one aspect, the wireless communication device receives a value of a field in a signaling from the wireless communication node. In one aspect, the wireless communication device determines a first DMRS parameter according to the first DMRS table and the value of the field. In some embodiments, the first DMRS table includes a mapping between values of the field of the signaling and values of the first DMRS parameter. In some embodiments, the first DMRS table includes the first DMRS parameter, that has values associated with a plurality of categories of DMRS ports. In some embodiments, each category of the plurality of categories of DMRS ports corresponding to a respective one of a plurality of second parameters.

Abstract: The embodiments of the disclosure provides a package structure and a manufacturing method thereof, the package structure includes: a die, including a substrate and a device layer, wherein the substrate has a front side and a back side opposite to each other in a first direction perpendicular to a main surface of the die, and the device layer is at the front side of the substrate; a thermal interface material layer, on the back side of the substrate; and a thermal dissipation component, attached to the die through the thermal interface material layer, the die further includes at least one of a heat dissipation filling structure and a substrate recess, the heat dissipation filling structure is embedded in the substrate and has an exposed part exposed at a sidewall of the substrate; the substrate recess is recessed from the back side of the substrate towards the device layer.

Abstract: Methods, apparatus, and systems that relate to efficient indication of the beam states under the unified TCI framework for uplink channels and reference signal transmissions in multiple transmission and reception points. In one example aspect, a method for wireless communication includes determining one or more beam states associated with a transmission from a terminal device to a base station and performing the transmission according to the one or more beam states. One beam state is associated with multiple channels and reference signals.

Abstract: Provided are a timing information configuration method, apparatus and system and a storage medium. The timing information configuration method includes that a first node predefines or configures timing information of a second node. The timing information includes at least one of: a timing mode, a downlink transmission timing alignment mode, a timing advance (TA) configuration mode, a TA value, an offset of a TA value, a number of orthogonal frequency division multiplexing (OFDM) symbols that an uplink transmission timing is advanced or delayed relative to a downlink transmission timing for alignment, or a number of OFDM symbols that an uplink reception timing is advanced or delayed relative to a downlink reception timing for alignment. The timing information configuration method includes that a second node determines timing information of the second node in a manner of predefinition or in a manner of being configured.

Abstract: Presented are systems and methods for determining downlink control information. A wireless communication device may receive a downlink signaling that includes a first indication field and a second indication field from a wireless communication node. The wireless communication device may simultaneously transmitting a first Physical Uplink Shared Channel (PUSCH) transmission and a second PUSCH transmission. The first PUSCH transmission can be indicated by the first indication field. The second PUSCH transmission can be indicated by one of the first indication field or the second indication field.

Abstract: This disclosure is directed to methods, systems, and devices related to wireless communication, and more specifically, to determine an association between demodulation reference signal (DMRS) ports and phase tracking reference Signal (PTRS) ports for uplink transmission. A method of wireless communication, comprising receiving, by a wireless communication device, an indication with a number of bits; wherein the indication is indicated in a downlink control information (DCI); and determining, by the wireless communication device, an association between a number of demodulation reference signal (DMRS) ports and a number of phase tracking reference Signal (PTRS) ports according to the indication.

Abstract: Methods, apparatus, and storage medium for transmitting demodulation reference signals are described. A method of transmitting demodulation reference signals includes: configuring demodulation reference signal parameters; dividing resource elements corresponding to at least one code division multiplexing group into K resource elements sets based on the demodulation reference signal parameters, wherein K is an integer greater than 1; and transmitting a first category of demodulation reference signals on at least one set of resource elements among the K sets of resource elements.

Abstract: Presented are systems and methods for demodulation reference signal (DMRS) port configuration and indication. A wireless communication device can receive a message that includes an indication from a wireless communication node. The indication may be to indicate a plurality of DMRS ports associated with an orthogonal cover code (OCC) in a code division multiplex (CDM) group mapping on a plurality of non-continuous resources.

Abstract: This document is directed to methods, systems, and devices related to wireless communication, and more specifically, to provide data transmission service for multiple users with different moving speeds. A method of wireless communication, comprising receiving, by a wireless communication device, a reference signal (RS); receiving, by the wireless communication device, a channel state information (CSI) reporting configuration signaling; determining, by the wireless communication device, according to the RS and the CSI reporting configuration signaling; and transmitting, by the wireless communication device, to a network device, a CSI according to the CSI reporting configuration signaling.

Abstract: This disclosure is directed to methods, systems, and devices related to wireless communication, and more specifically, to support high capability user equipment and to improve uplink A method of wireless communication, comprising receiving, by a wireless communication device, from a network device, a configuration of a sounding reference signal (SRS) resource with a plurality of ports or port groups; determining, by the wireless communication device, a parameter for an SRS port or an SRS port group of the SRS resource; and wherein the parameter comprises at least one of: one or more symbols, a comb offset, or a cyclic shift (CS) offset.

Abstract: Presented are systems and methods for uplink frequency selective precoding. A wireless communication device may receive a first signaling from the wireless communication node. The first signaling may include a plurality of precoding information associated with a plurality of port groups. The wireless communication device may determine signals precoded according to the plurality of precoding information. The wireless communication device may transmit the signals to the wireless communication node.

Abstract: A method of wireless communication includes transmitting, upon determining that a wireless device operating in a multiple transmission reception point wireless configuration with a network device satisfies a condition, one or more uplink control transmissions using codebook based precoding. The one or more uplink control transmissions are performed according to a configuration information received from a network device that indicates one or more sounding reference signal (SRS) resource sets associated with the one or more uplink control transmission.

Abstract: Provided are a method for indicating reference signal configuration information, a base station and a terminal. The method includes that a first communication node determines joint signaling and the first communication node transmits the joint signaling to a second communication node. The joint signaling includes first information and second information. The first information includes at least one of the following: quasi-colocation configuration information and configuration information of a transmission beam. The second information includes at least one of the following: configuration information of a phase tracking reference signal and configuration information of a demodulation reference signal.

Abstract: Techniques are described to perform uplink transmission. An example wireless communication method includes receiving, by a communication device, at least one reference signal in at least one wireless time unit and a timing advance adjustment message, where the timing advance adjustment message indicates a timing advance related information; and transmitting, in response to the receiving the at least one reference signal, an uplink transmission in a second wireless time unit, where a start time of the second wireless time unit is based on at least one timing value of the at least one wireless time unit and the timing advance related information.

Abstract: Presented are systems and methods for wireless communication. In one aspect, a wireless communication device determines a first demodulation reference signal (DMRS) table according to first information from a wireless communication node. In one aspect, the wireless communication device receives a value of a field in a signaling from the wireless communication node. In one aspect, the wireless communication device determines a first DMRS parameter according to the first DMRS table and the value of the field. In one aspect, the first DMRS table includes a mapping between values of the field of the signaling and values of the first DMRS parameter.

Abstract: Disclosed is a method for sending a control channel. The method includes: a first communication node determining second transmission parameter information about the control channel according to at least one of first control information or first parameter information and sending the control channel to a second communication node according to the second transmission parameter information. The first parameter information includes at least one of the following information: information about a demodulation reference signal corresponding to the first control information, information about a demodulation reference signal of a data channel corresponding to the control channel, information about a type of second control information transmitted on the control channel, and information about a channel coding rate corresponding to the first control information.