Abstract: A method for time multiplexing subframes on a serving cell to a user equipment, wherein one set of subframes operate with the legacy LTE transmission format and one set of subframes operate with an evolved transmission format comprising reduced density CRS transmission without a PDCCH control region.

Abstract: Disclosed are a data transmission method and apparatus and a computer storage medium, used to arrive at the mapping a data layer, based on a predefined DMRS port ordering rule, onto the DMRS port used during transmission to transmit the data layer. The present application provides a data transmission method, comprising: determining a predefined demodulation reference signal (DMRS) port ordering rule; and mapping, according to the predefined DMRS port ordering rule, a data layer onto the DMRS port used during transmission to send the data layer to a terminal.

Abstract: Disclosed in the present application are a signal transmission method, a network device and a UE, the method comprising: a network device determining a first instruction message, the first instruction message instructing a UE to use a first power control policy and/or a first transmission mode to send a first signal; and the network device sending the first instruction message to the UE. The technical problem in the prior art in which a UE cannot be controlled to use full power to send an uplink signal is solved.

Abstract: A method for receiving information, a method for sending information, a terminal and a network device are provided. The method for receiving information includes: receiving indication information, where the indication information is used for indicating at least one transmission configuration indicator TCI state of a demodulation reference signal DMRS port on one or more resources allocated to the terminal; determining a correspondence between the at least one TCI state on the one or more resources and a code division multiplexing CDM group to which the DMRS port belongs; and receiving information according to the correspondence between the TCI state on the one or more resources and the CDM group to which the DMRS port belongs.

Abstract: Disclosed in the present application are a method for transmission configuration indication (TCI) of a DMRS port and a related apparatus, and a storage medium. In the method, a network side device configures at least two DMRS ports for a terminal according to the correspondence between required TCI states and DMRS CDM groups, the at least two DMRS ports belonging to different CDM groups, and the different CDM groups comprising different numbers of DMRS ports; and sends DCI to the terminal, the DCI comprising a DMRS port index value, the DMRS port index value being an index value pre-defined in a DMRS port allocation table, and the DMRS port index value being used for indicating a DMRS port set allocated to the terminal, the number of CDM groups without data, and the number of preamble DMRS symbols, and being used for indicating the correspondence. The method supports dynamic adjustment of the numbers of DMRS ports corresponding to different TCI states, thereby improving the flexibility of NC-JT.

Abstract: Disclosed in the present application are a TCI indication method and apparatus, a base station, and a storage medium. The method comprises: when TCI in DCI configured by a base station for a UE corresponds to at least two TCI states, indicating a correspondence between a CDM group and a TCI state by mean of the DCI, wherein the CDM group is a CDM group to which a DMRS port allocated by the base station for the UE belongs. The described method is used to indicate the correspondence between each CDM group to which the DMRS port allocated for the UE belong to and the TCI state so as to support the dynamic adjustment of the number of DMRS ports corresponding to different TCI states, therefore improving the flexibility of NC-JT.

Abstract: The present disclosure provides a data transmission method and device. The method includes: sending a first signal and a demodulation reference signal DMRS corresponding to the first signal to a second device; wherein the first signal includes at least one data stream, and each data stream corresponds to one DMRS port, one DMRS port corresponds to one or more of the following in different subbands: different power amplifiers, different sounding reference signal ports, or different first signal ports.

Abstract: The embodiments of the present application relate to the field of wireless communication technology, and provide a channel state information (CSI) feedback method and device to reduce CSI feedback overhead. In the method, a terminal determines an orthogonal beam group and pre-coding matrix information according to codebook parameter information, wherein specified coefficients of the same beam in the orthogonal beam group in a first polarization direction and a second polarization direction are the same, and the specified coefficients comprise an amplitude coefficient and/or a phase coefficient; the pre-coding matrix information comprises the specified coefficients and an adjustment factor, and the adjustment factor is used together with the specified coefficients to determine a linear combination coefficient other than a specified combination coefficient in a linear combination coefficient set; and the determined pre-coding matrix information is sent to a network-side device.

Abstract: The present application discloses an information indicating and determining method and apparatus, and a computer storage medium, being used for indicating QCL group information of a DMRS port, enabling a terminal to determine the QCL group information of the DMRS port. The embodiments of the present application provide an information indicating method, comprising: determining QCL group information of a demodulation reference signal DMRS port; and notifying a terminal of the QCL group information.

Abstract: Embodiments of the present disclosure disclose an uplink transmission method, an uplink transmission scheduling method and a device. The uplink transmission method is applied to a terminal and includes: performing delay processing of an uplink signal on multiple antenna ports and then transmitting the uplink signal.

Abstract: A method of mapping control information in a wireless communication system is disclosed (FIG. 5). The method includes forming a subframe (FIG. 3) having a bandwidth and having plural regions (302-306). A base station (eNB) determines a communication mode with a remote user equipment. The base station maps control information specific to the user equipment into a first region of the subframe (508). The base station also maps control information common to plural user equipments into a second region of the subframe (512). The subframe is transmitted to the plural user equipments (412, FIG. 4).

Abstract: The present disclosure provides a data transmission method and device. The method includes: sending a first signal and a demodulation reference signal DMRS corresponding to the first signal to a second device, wherein the first signal includes at least one data stream, and each data stream corresponds to a plurality of DMRS ports; wherein different DMRS ports correspond to at least one of different power amplifiers, different sounding reference signal ports, or different first signal ports.

Abstract: Systems and methods for selecting Physical Uplink Control Channel (PUCCH) resources are disclosed. An Enhanced Physical Downlink Control Channel (EPDCCH) is detected in signals received from a base station in a first subframe. A HARQ-ACK resource indicator offset (?ARO) value is identified for the EPDCCH. A PUCCH resource is selected for transmission of a Hybrid Automatic Repeat reQuest-ACKnowledgement (HARQ-ACK) corresponding to the EPDCCH. The PUCCH resource is selected based upon the ?ARO value. The ?ARO value may correspond to a semi-statically configured PUCCH resource. A second PUCCH resource may be selected for transmission of the HARQ-ACK on a second antenna port. A HARQ-ACK resource offset field value may be detected in a Downlink Control Information (DCI) format of the EPDCCH. A table that maps the HARQ-ACK resource offset field value for certain DCI formats to ?ARO values may be used to determine the ?ARO value for the EPDCCH.

Abstract: A CSI feedback method and a CSI feedback device are provided.

Abstract: The present invention relates to the technical field of wireless communications, and in particular, to a beam training method and device, for use in resolving the problems in the prior art of excessive time-consuming of a beam training process, large overhead of training signals, and relatively low efficiency. According to embodiments of the present invention, a transmit device sends beam training signals in two times. The first sending of a transmit beam training signal is for a receive device to select a transmit beam using a selected receive beam and report the transmit beam. The second sending is that the transmit device sends a receive beam training signal according to the transmit beam information report of the receive device, so as to train the received beam of the receive device.

Abstract: A triggering method and a transmitting method for an uplink reference signal in a communication system, apparatuses thereof, and a storage medium are provided. The communication system includes at least two different signal parameters. The triggering method applied to a network side includes: generating, by the network side, a trigger signaling for triggering a terminal to transmit the uplink reference signal to the network side for one or more times; and transmitting, by the network side, the trigger signaling to the terminal.

Abstract: A beam failure recovery method, a terminal, and a base station are provided. The method includes monitoring a beam failure event according to a reference signal for monitoring a beam failure of a secondary serving cell; reporting the beam failure event to a base station and/or sending a beam failure recovery message to a base station when the beam failure event is detected.

Abstract: Disclosed in the present application are methods for sending and receiving channel state information (CSI), a terminal device and a network device, which are used to provide a CSI sending method or receiving method on the basis of a Rel-16 codebook structure. The method for sending CSI comprises: determining a compressed basis vector in a precoding matrix, the compressed basis vector belonging to a set of candidate basis vectors, wherein the compressed basis vector weighted by coefficients of the precoding matrix is used to construct frequency domain characteristics of the precoding matrix; and sending the CSI to a network device, wherein the CSI comprises basis vector indication information, and the basis vector indication information is used to indicate the compressed basis vector.

Abstract: The present disclosure provides a channel state information reporting method, a channel state information receiving method, a terminal, and a network side device. The reporting method includes: receiving codebook parameter information sent by a network side device; determining an enhanced Type II codebook structure according to the codebook parameter information; determining non-zero coefficient indication information according to the enhanced Type II codebook structure, the non-zero coefficient indication information is used to indicate non-zero coefficient related information in a combined coefficient matrix in the enhanced Type II codebook structure; sending the non-zero coefficient indication information to the network side device.

Abstract: Embodiments of the present disclosure provide a data transmission method, a data transmission device, a network side device and UE. The data transmission method is applied to a first device and includes: transmitting Uplink (UL) Sounding Reference Signal (SRS) resource configuration information to a second device, where the SRS resource configuration information indicates K SRS resources; receiving an SRS signal transmitted from the second device according to the SRS resource configuration information; determining an SRS Resource Indicator (SRI), where the SRI indicates L SRS resources in the K SRS resources, L is an integer that is larger than or equals 1 and L is less than or equals K; and transmitting the SRI to the second device.