Abstract: Provided are information transmission and data demodulation methods and apparatuses, a communication node, and a network side device. The information transmission method includes: transmitting, by a first communication node, a first demodulation reference signal within a first slot, where candidate positions of the first demodulation reference signal within the first slot at least overlap with candidate positions of a second demodulation reference signal within a second slot, the second slot is a slot within which a second communication node transmits the second demodulation reference signal, and a transmission direction of the first demodulation reference signal within the first slot is different from a transmission direction of the second demodulation reference signal within the second slot.

Abstract: The present disclosure provides a method and device for transmission and setting transmission, a base station, a terminal and a storage medium. The method includes: determining a transmission parameter set corresponding to a transmission resource region by a sending terminal, wherein transmission parameters in the transmission parameter set includes at least one of a resource aggregation granularity parameter, a precoding granularity parameter, and a resource mapping parameter; and executing transmission by the sending terminal in a corresponding transmission resource region according to the transmission parameters.

Abstract: The present disclosure provides a method and device for configuring a channel state information reference signal (CSI-RS), and a method and device for parsing CSI-RS. The configuration method includes: configuring configuration information of the CSI-RS by a base station; generating a signaling carrying the configuration information of the CSI-RS by the base station; and transmitting the signaling by the base station. The configuration information includes at least one of: a number of CSI-RS ports, a number K of components of a pilot resource pattern, a number N of ports of the components of the pilot resource pattern, and a CSI-RS port-numbering mode, where the CSI-RS port-numbering mode is selected from M candidate port-numbering modes, and M, K, and N are positive integers.

Abstract: Provided in embodiments of the present disclosure are a method and device for configuring data resource mapping information, a base station, a terminal and a system, and a storage medium. The method includes that: a base station configures data resource mapping information for a terminal. The data resource mapping information includes: a state set including K data resource mapping parameter states; information for activating M data resource mapping parameter states among the K data resource mapping parameter states, where the activated data resource mapping parameter states are referred to as active data resource mapping states; and information for selecting L active data resource mapping states from the M active data resource mapping states to perform data resource mapping.

Abstract: Provided is signaling transmitting and receiving methods, device, network-side device, terminal and storage medium. The signaling transmitting method includes: determining a first parameter set and/or a second parameter set for N resource groups; and transmitting an indication signaling, the indication signaling carries indication information for indicating the first parameter set and/or the second parameter set. The signaling receiving method includes: receiving an indication signaling transmitted by a network-side device. The indication signaling carries indication information for indicating a first parameter set and/or a second parameter set determined by the network-side device for N resource groups. The first parameter set is a Physical Downlink Shared Channel Resource Element (PDSCH RE) mapping set. The second parameter set is a Quasi-Co-Location (QCL) parameter set. N is a positive integer greater than 1.

Abstract: A wireless communication method includes transmitting, by a first communication node, a first type of random access preamble, monitoring, by the first communication node, a link recovery confirmation information, performing, by the first communication node, after meeting a first type of condition, and the first type of condition includes detecting the link recovery confirmation information, an operation including performing a transmission on an outbound channel to a second communication node using a spatial filter determined by the first type of random access preamble.

Abstract: Disclosed are a control information sending method and detecting method, a base station, a terminal, and a computer storage medium. The method includes: a base station determining first-type physical layer control information, which is used for indicating a first-type control parameter of a second-type physical layer control channel; determining second-type physical layer control information, which is used for indicating a second-type control parameter of a data channel; sending the first-type physical layer control information; and sending the second-type physical layer control information on the second-type physical layer control channel.

Abstract: Provided are a method, an apparatus and a device for sending a control channel, a method, an apparatus and a device for detecting a control channel, and a storage medium. The method for sending a control channel includes that a sending end sends a first control channel using a first transmission configuration, the first control channel carrying first control information for indicating transmission configuration information of a data channel and that the sending end sends a second control channel using a second transmission configuration, the second control channel carrying second control information for indicating transmission configuration information of the data channel.

Abstract: Disclosed are a method for receiving a channel state information-reference signal, a processor, a terminal and a storage medium. The method includes that: a terminal receives information of the CSI-RS; the terminal receives the CSI-RS; and measures the CSI-RS to obtain CSI, and feeds back the CSI to the base station; and the terminal receives the information of the components notified by the base station includes at least one of the following: receiving a position of an earliest OFDM symbol of the components on the time domain positions and a position of a lowest-frequency subcarrier of the components on the frequency domain positions; receiving, a position of a latest OFDM symbol of the components and a position of a highest-frequency subcarrier of the components; or receiving a position of a latest OFDM symbol of the components and a position of a lowest-frequency subcarrier of the components.

Abstract: A method and device for notifying and determining De Modulation Reference Signal (DMRS) ports or a mapping relationship is provided. The method includes: a sending end sends indication information to a receiving end in a Transmission Mode (TM), and the sending end indicates allocation information about DMRS ports or a mapping relationship according to the indication information, and the indication information includes at least one of the following: Radio Resource Control (RRC) signaling, physical layer New Data Indication (NDI) bit, and DMRS pilot scrambler configuration information nscid.

Abstract: Disclosed are a reference signal transmission method and device. The reference signal transmission method includes: using at least one of the following information indication bit to configure the indication information of the reference signal to be transmitted and transmitting the reference signal: port information of the demodulated reference signal (DMRS), port correspondence information of the phase tracking reference signal (PTRS), code block group (CBG) related notification information, and SRS resource indicator (SRI) information, precoding matrix indicator (TPMI) information, or transmission layer number indicator (TRI) information.

Abstract: Provided herein are method and device for configuring and acquiring transmission parameters of physical layer, the method comprising: dividing transmission resources into N resource groups, where N is greater than or equal to 1; determining first type of transmission parameter of the physical layer, the first type of transmission parameter of the physical layer comprises at least one of: indication information on definitions of basic resource units, indication information on aggregation of time interval units of physical layers, information on parameter configuration of basic transmission structures, information on numerology parameter configuration, indication information on mapping of channel or signals, indication information on resource allocation methods, indication information on available bandwidths in frequency domain of resource groups, indication information on transmission powers of resources, and configuration information of measurement pilots; notifying receiving terminal of the first type of tra

Abstract: A method and apparatus for information reporting as well as a method and apparatus for information transmission are provided. The method for information reporting includes: receiving, by a second communication node, a reference signal from a first communication node, to determine a reference signal-related index and/or channel state information; reporting, by the second communication node, a set to the first communication node, and the set includes at least one of: the reference signal-related index and the channel state information. This technical solution solves the problems of low flexibility and poor adaptability of beam-related information reporting in the related art; the second communication node reports its own capability, so that the first communication node can indicate a beam reporting that meets to user capability, thereby improving the stability of beam-related information reporting.

Abstract: Provided are a method and device for determining indication signalling of a pilot signal for channel measurement, and method and device for feeding back CSI. The method for determining indication signalling of pilot signal for channel measurement includes: a NodeB sends DL control signalling, which includes transmission resource configuration information of a non-periodic CSI-RS, to a terminal, wherein the transmission resource configuration information of the non-periodic CSI-RS is used for determining a location of the non-periodic CSI-RS, and the non-periodic CSI-RS is used for instructing the terminal to perform channel measurement.

Abstract: A method for pilot configuration includes: a base station configuring K1 sets of pilot resources of a first type and K2 sets of pilot resources of a second type; the base station transmitting the K1 sets of pilot resources of the first type to a terminal in a first transmission mode, and transmitting the K2 sets of pilot resources of the second type to the terminal in a second transmission mode; and the base station receiving a first type of feedback information fed back by the terminal according to the measurement of the pilot resources of the first type, and receiving a second type of feedback information fed back by the terminal according to the measurement of the pilot resources of the second type, wherein K1 and K2 are integers equal to or greater than 1.

Abstract: A wireless communication method is described for receiving a reporting configuration associated with one or more reporting criteria. The received reporting configuration is also linked to one or more channel state information (CSI) resource settings that provide a configuration information. Each CSI resource setting identifies one or more resource sets, and each resource set includes one or more reference signal resources. Based on one or more reporting criteria, a user equipment can generate a report that can be transmitted to a base station.

Abstract: Provided is a method for determining precoding. The method includes configuring, by a first communication node, configuration information for a second communication node; transmitting the configuration information to the second communication mode; and the configuration information includes: first configuration information and second configuration information. Further provided is a device for determining precoding, an electronic device and a storage medium.

Abstract: Disclosed are methods, systems and devices for channel state information feedback to facilitate, for example, high-performance beamforming or precoding in multiple input multiple output (MIMO) systems. One example method includes performing multiple transmissions of a channel measurement report on multiple transmission occasions. Another example method includes performing multiple receptions of a channel measurement report on multiple reception occasions, where the multiple receptions at a network node correspond to multiple transmissions from a wireless device. In both exemplary methods, a timing of the multiple transmissions is based on at least one of a number of the multiple transmission occasions, a time gap between adjacent transmission occasions of the multiple transmission occasions, and one or more timeslots that include the multiple transmission occasions.

Abstract: Methods, systems, and devices related to related to a two-stage transmission of downlink control messages for reducing signaling overhead are described. In one representative aspect, a method for wireless communication includes receiving, at a mobile device, a message from a wireless communication node. The message includes a first portion of a scheduling indication for scheduling a transmission. The method also includes determining, by the mobile device, a second portion of the scheduling indication based on one or more predetermined rules; determining, by the mobile device, the scheduling indication based on the first portion of the scheduling indication included in the message and the second portion of the scheduling indication; and performing, by the mobile device, the transmission based on the scheduling indication.

Abstract: Methods, systems, and devices related to reducing signaling overhead for uplink transmissions are described. In one representative aspect, a method for wireless communication includes transmitting, from the wireless communication node, a first message to a mobile device. The first message identifies one or more resource groups that correspond to a transmission rank to be used by the mobile device for a data transmission from the mobile device to the wireless communication node. The one or more resource groups are selected from a set of candidate resource groups or a set of candidate resources. The method also includes receiving, at the wireless communication node, the data transmission having the transmission rank from the mobile device.