WO2018201410A1

WO2018201410A1 - Method and device for acquiring control information

Info

Publication number: WO2018201410A1
Application number: PCT/CN2017/083104
Authority: WO
Inventors: 张瑞齐
Original assignee: 华为技术有限公司
Priority date: 2017-05-04
Filing date: 2017-05-04
Publication date: 2018-11-08
Also published as: CN110537389A

Abstract

The present application provides a method and a device for acquiring control information. The method comprises: receiving first demodulation reference signal (DMRS) indication information and indication information of two transport blocks; and acquiring first control information in a single enabled transport block configuration table or a dual enabled transport block configuration table according to the first DMRS indication information and the indication information of the two transport blocks, the first control information comprising the number of transport layers and a DMRS port number, the single enabled transport block configuration table and the dual enabled transport block configuration table comprising multiple pieces of DMRS indication information and control information corresponding to each piece of DMRS indication information, and there being present in the single enabled transport block configuration table at least one piece of DMRS indication information that corresponds to at least two pieces of control information. The method and the device are adopted to avoid performance degradation of control channels when control information is added to transport block configuration tables.

Description

Control information acquisition method and device

Technical field

The embodiments of the present invention relate to the field of communications technologies, and in particular, to a method and a device for acquiring control information.

Background technique

A transmission block configuration table is configured in the terminal device and the base station, and a plurality of demodulation reference signal (DMRS) indication information and one control information corresponding to each DMRS indication information are respectively included in the transmission block configuration table.

At present, the transport block configuration table usually includes a maximum of 16 types of control information. Correspondingly, the transport block configuration table includes 16 DMRS indication information, and the DMRS indication information and the control information are in one-to-one correspondence, and the 16 DMRS indication information can adopt 4 bits. Binary data representation. The downlink control information (Downlink Control Information, DCI) is sent to the terminal device, and the DMRS indication information is carried in the DCI. The terminal device acquires, according to the received DMRS indication information, a control information corresponding to the DMRS indication information in the transport block configuration table, where the control information generally includes a resource transmission layer, a DMRS port number, and a scrambling code information used in data transmission, The terminal device can demodulate the received data according to the received control information. In the actual application process, the resource occupation may be expanded. Correspondingly, the control information and the DMRS indication information corresponding to the newly added control information need to be added in the transport block configuration table. After the control information is added to the transport block configuration table, the number of control information and the number of DMRS indication information are both greater than 16, and at least 5 bits of binary data are required to represent the DMRS indication information.

The DMRS indication information needs to be sent each time the base station sends data to the terminal device. When the number of bits of the DMRS indication information increases, the length of the DCI increases, which in turn leads to a decrease in control channel performance.

Summary of the invention

The present application provides a method and a device for acquiring control information, which avoids performance degradation of a control channel when adding control information in a transport block configuration table.

In a first aspect, the present application provides a control information acquiring method, after the terminal device receives the first demodulation reference signal DMRS indication information and the indication information of two transmission blocks sent by the base station, the terminal device according to the first DMRS indication information and The indication information of the two transport blocks acquires the first control information in the single enabled transport block configuration table or the dual enabled transport block configuration table; the first control information includes the number of transport layers and the DMRS port number.

In the single-enabled transport block configuration table, one DMRS indication information may correspond to multiple control information. When it is necessary to add control information in the single-enabled transport block configuration table, the newly added control information and the single-enabled transport block may be added. Corresponding to the existing DMRS indication information in the configuration table, and distinguishing multiple control information corresponding to the same DMRS indication information by the value indicated by the new data in the transmission block is not enabled, so that the transmission block configuration is not required to be enabled in the single transmission. The DMRS indication information is added in the table, thereby avoiding increasing the number of bits of the binary data indicating the DMRS indication information, and avoiding the length increase of the DCI, thereby avoiding the performance degradation of the control channel.

In a possible implementation manner, the indication information of the two transport blocks respectively includes a value of the modulation and coding scheme, and a new The value indicated by the data and the value of the redundancy version;

When the value of the modulation coding scheme of the two transport blocks and the value of the redundancy version indicate that one of the two transport blocks is not enabled, then according to the first DMRS indication information and the new data indication of the unenabled transport block And obtaining the first control information in the single-enabled transport block configuration table. Optionally, the control information set corresponding to the first DMRS indication information is obtained in the single-enabled transport block configuration table according to the first DMRS indication information. If the control information set includes a control information, determining one control information in the control information set as the first control information; or, if the control information set includes at least two control information, according to the unenabled transport block The value indicated by the new data acquires the first control information in the control information set.

When the value of the modulation coding scheme of the two transport blocks and the value of the redundancy version indicate that the two transport blocks are enabled, the first control information is acquired in the dual enabled transport block configuration table according to the first DMRS indication information.

In another possible implementation manner, the value indicated by the new data is used to indicate the location of the first control information in the control information set; correspondingly, the value indicated by the new data of the unenabled transport block is in the control information. The first control information is obtained in the collection, including:

Determining a target location of the first control information in the control information set according to the value indicated by the new data;

The first control information is acquired in the system information set according to the target location in the control information set by the first control information.

In another possible implementation manner, the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11; correspondingly, in the single enabled transport block configuration table or the dual enabled transport block After obtaining the first control information in the configuration table, the method further includes:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, and 11;

Obtain a part of the encoded data in the resource location occupied by the DMRS with the

DMRS port numbers

9, 10, 12, and 14 in the resource locations occupied by the DMRSs with the

DMRS port numbers

7, 8, 11, 9, 10, 12, and 14. Part of the resource location other than the acquisition of another part of the encoded data.

In another possible implementation manner, the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 9, 10, and 12; correspondingly, in the single enabled transport block configuration table or the dual enabled transport block After obtaining the first control information in the configuration table, the method further includes:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, and 12;

The encoded data is acquired at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12.

In another possible implementation manner, the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13; correspondingly, in the single enabled transport block configuration table or dual enable After obtaining the first control information in the transport block configuration table, the method further includes:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

9, 10, 12, and 14, and the resources occupied by the DMRSs of the DMRS ports of 7, 8, 11, 13, 9, 10, 12, and 14. A portion of the resource location outside the location acquires another portion of the encoded data.

In another possible implementation manner, the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 9, 10, 12, and 14; correspondingly, in the single enabled transport block configuration table or dual enable After obtaining the first control information in the transport block configuration table, the method further includes:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

The encoded data is acquired at a part of the resource locations other than the resource locations occupied by the DMRSs of the

DMRS port numbers

7, 8, 11, 13, 9, 10, 12, and 14.

In a second aspect, the present application provides a control information acquiring method, where a base station determines an enabled transport block and an unenabled transport block in two transport blocks, and determines first control information, where the first control information includes a transport layer number and a DMRS port. And acquiring, according to the first control information, the single-enabled configuration table, and the encoded data, the first demodulation reference signal DMRS indication information corresponding to the first control information, and the indication information of the two transport blocks, and sending the first DMRS to the terminal device Indicates information and indication information for two transport blocks.

In a possible implementation, the two transport blocks include an enable transport block and an unenabled transport block. Correspondingly, the first control information is obtained according to the first control information and the single enable configuration table. DMRS indication information and indication information of two transport blocks, including:

Acquiring the first DMRS indication information corresponding to the first control information in the single-enabled configuration table;

Obtaining indication information of the enabled transport block according to the channel state information and the type of the encoded data fed back by the terminal device, where the type of the encoded data includes new data and retransmission data;

Obtaining a control information set corresponding to the first DMRS indication information, and acquiring indication information that the transport block is not enabled according to the preset rule, the first control information, and the control information set.

In another possible implementation manner, the indication information that the transport block is not enabled includes a value of the modulation and coding scheme, a value indicated by the new data, and a value of the redundancy version; correspondingly, according to the preset rule, the first control information, and Control the information set to obtain the indication information that the transport block is not enabled, including:

Obtaining a value of a modulation and coding scheme and a value of a redundancy version in the indication information of the transport block that is not enabled according to the channel state information;

The value indicated by the new data of the unenabled transport block is obtained according to the location of the first control information in the control information set or the identifier of the first control information in the control information set.

In another possible implementation manner, the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11; correspondingly, after determining the first control information used to control the transmission of the encoded data, Also includes:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, and 11;

A part of the encoded data is transmitted at the resource location occupied by the DMRS with the

DMRS port numbers

9, 10, 12, and 14, and the resource positions occupied by the DMRSs of the

DMRS port numbers

7, 8, 11, 9, 10, 12, and 14 A portion of the resource location other than the location sends another portion of the encoded data.

In another possible implementation manner, the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 9, 10, and 12; correspondingly, after determining the first control information used to control the transmission of the encoded data, Also includes:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, and 12;

In addition to the resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, 13, 9, 10, and 12 The encoded data is transmitted at a resource location.

In another possible implementation manner, the first control information includes a transmission layer number of 4, and the DMRS port numbers are 7, 8, 11, and 13; and correspondingly, determining first control information for controlling transmission of the encoded data. After that, it also includes:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

9, 10, 12, and 14, and the resources occupied by the DMRSs of the DMRS ports are 7, 8, 11, 13, 9, 10, 12, and 14. A portion of the resource location outside the location sends another portion of the encoded data.

In another possible implementation manner, the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 9, 10, 12, and 14; after determining the first control information for controlling transmission of the encoded data, include:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

The encoded data is transmitted at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12, 14.

In a third aspect, the present application provides a terminal device, including a receiver, a processor, a memory, and a communication bus, where the memory is used to store program instructions, and the communication bus is used to implement a connection between components. The processor is configured to read a program instruction in the memory, and execute an operation corresponding to the program instruction, where

The receiver is configured to receive first demodulation reference signal DMRS indication information and indication information of two transport blocks;

The processor is configured to acquire first control information in a single enabled transport block configuration table or a dual enabled transport block configuration table according to the first DMRS indication information and the indication information of the two transport blocks; The first control information includes a transmission layer number and a DMRS port number;

The single enabled transport block configuration table and the dual enabled transport block configuration table include a plurality of DMRS indication information and control information corresponding to each DMRS indication information, where the single enabled transport block configuration table is There is at least one DMRS indication information corresponding to at least two pieces of control information.

In a possible implementation manner, the indication information of the two transport blocks includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version, where the processor is specifically configured to:

And the value of the modulation coding scheme of the two transport blocks and the value of the redundancy version indicate that one of the two transport blocks is not enabled, according to the first DMRS indication information and the unenabled transport block The value indicated by the new data, the first control information is obtained in the single enabled transport block configuration table;

The values of the modulation and coding schemes of the two transport blocks and the value of the redundancy version indicate that the two transport blocks are enabled, and then obtained in the dual enabled transport block configuration table according to the first DMRS indication information. The first control information.

In another possible implementation manner, the processor is specifically configured to:

And acquiring, according to the first DMRS indication information, a control information set corresponding to the first DMRS indication information in the single enabled transport block configuration table;

The control information set includes one control information, and one control information in the control information set is determined as the first control information; or the control information set includes at least two control information, The value indicated by the new data of the unenabled transport block is obtained by acquiring the first control information in the control information set.

In another possible implementation, the value indicated by the new data is used to indicate a location of the first control information in the control information set; the processor is specifically configured to:

Determining, according to the value indicated by the new data, a target location of the first control information in the control information set;

And acquiring, according to the target location in the control information set, the first control information in the system information set.

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11, the processor is specifically configured to:

DMRS port numbers

9, 10, 12, and 14 in the resource locations occupied by the DMRSs with the

DMRS port numbers

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port number is 9, 10, 12, the processor is specifically configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13, the processor is specifically configured to:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 9, 10, 12, and 14, the processor is specifically configured to:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

DMRS port numbers

7, 8, 11, 13, 9, 10, 12, and 14.

In a fourth aspect, the application provides a base station, including a processor, a transmitter, a memory, and a communication bus, where the memory is used to store program instructions, and the communication bus is used to implement a connection between components, and the processing The device is configured to read a program instruction in the memory, and execute an operation corresponding to the program instruction, where

The processor is configured to determine an enabled transport block and an unenabled transport block in two transport blocks;

The processor is further configured to determine first control information, where the first control information includes a number of transmission layers and a DMRS port number;

The processor is further configured to acquire, according to the first control information, the single-enabled configuration table, the encoded data, a first demodulation reference signal DMRS indication information corresponding to the first control information, and the two The indication information of the transport block, where the at least one DMRS indication information in the single enabled transport block configuration table corresponds to at least two control information;

The transmitter is configured to send the first DMRS indication information and the indication information of the two transport blocks to the terminal device.

In a possible implementation, the two transport blocks include an enable transport block and an unenabled transport block; the processor is specifically configured to:

Acquiring the indication information of the enabled transport block according to the channel state information that is fed back by the terminal device and the type of the encoded data, where the type of the encoded data includes new data and retransmission data;

Acquiring the control information set corresponding to the first DMRS indication information, and acquiring the indication information of the unenabled transport block according to the preset rule, the first control information, and the control information set.

In another possible implementation manner, the indication information of the unenabled transport block includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version; the processor is specifically configured to:

Obtaining, according to the channel state information, a value of a modulation and coding scheme and a value of a redundancy version in the indication information of the unenabled transport block;

Obtaining a value indicated by the new data of the unenabled transport block according to the location of the first control information in the control information set or the identifier of the first control information in the control information set.

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11, the transmitter is further configured to:

DMRS port numbers

9, 10, 12, and 14, and the resource positions occupied by the DMRSs of the

DMRS port numbers

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port number is 9, 10, 12, the transmitter is further configured to:

The encoded data is transmitted at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12.

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13, the transmitter is further configured to:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 9, 10, 12, and 14, the transmitter is further configured to:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

In a fifth aspect, the present application provides a control information acquiring apparatus, which is applied to a terminal device, where the device includes a receiving module and a first acquiring module, where

The receiving module is configured to receive first demodulation reference signal DMRS indication information and indication information of two transport blocks;

The first acquiring module is configured to obtain, according to the first DMRS indication information and the indication information of the two transport blocks, the first control information in the single enabled transport block configuration table or the dual enabled transport block configuration table. The first control System information includes the number of transmission layers and the DMRS port number;

In a possible implementation, the indication information of the two transport blocks respectively includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version; the first acquiring module is specifically configured to:

In another possible implementation manner, the first acquiring module is specifically configured to:

In another possible implementation, the value indicated by the new data is used to indicate a location of the first control information in the control information set; the first acquiring module is specifically configured to:

In another possible implementation, the apparatus further includes a second acquiring module, where the number of transmission layers included in the first control information is 3, and when the DMRS port numbers are 7, 8, and 11, The second acquisition module is used to:

DMRS port numbers

9, 10, 12, and 14 in the resource locations occupied by the DMRSs with the

DMRS port numbers

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port number is 9, 10, 12, the second acquiring module is configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13, the second obtaining module is configured to:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

9, 10, 12, and 14, Another portion of the encoded data is acquired at a portion of the resource locations other than the resource locations occupied by the DMRSs of the DMRS ports of 7, 8, 11, 13, 9, 10, 12, 14.

In another possible implementation manner, when the first control information indicates that the number of transmission layers is 4, and the DMRS port numbers are 9, 10, 12, and 14, the second obtaining module is configured to:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

DMRS port numbers

7, 8, 11, 13, 9, 10, 12, and 14.

In a sixth aspect, the application provides a control information acquiring apparatus, which is applied to a base station, where the apparatus includes a first determining module, a second determining module, an obtaining module, and a sending module, where

The first determining module is configured to determine an enabled transport block and an unenabled transport block in two transport blocks;

The second determining module is configured to determine first control information, where the first control information includes a number of transmission layers and a DMRS port number;

The acquiring module is configured to acquire, according to the first control information, the single-enabled configuration table, and the encoded data, a first demodulation reference signal DMRS indication information corresponding to the first control information, and the two transmissions The indication information of the block, where the at least one DMRS indication information in the single enabled transport block configuration table corresponds to at least two pieces of control information;

The sending module is configured to send the first DMRS indication information and the indication information of the two transport blocks to the terminal device.

In a possible implementation, the two transport blocks include an enable transport block and an unenabled transport block; the acquisition module is specifically configured to:

In another possible implementation manner, the indication information of the unenabled transport block includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version; the acquiring module is specifically configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11, the sending module is further configured to:

DMRS port numbers

9, 10, 12, and 14, and the resource positions occupied by the DMRSs of the

DMRS port numbers

In another possible implementation manner, when the first control information indicates that the number of transmission layers is 3, and the DMRS port numbers are 9, 10, and 12, the sending module is further configured to:

In another possible implementation manner, when the first control information indicates that the number of transmission layers is 4, and the DMRS port numbers are 7, 8, 11, and 13, the sending module is further configured to:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

In another possible implementation manner, when the first control information indicates that the number of transmission layers is 4, and the DMRS port numbers are 9, 10, 12, and 14, the sending module is further configured to:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

The method and device for acquiring control information provided by the present application, in the single enabled transport block configuration table, one DMRS indication information may correspond to multiple control information, and when it is required to add control information in the single enabled transport block configuration table, The newly added control information corresponds to the existing DMRS indication information in the single enabled transport block configuration table, and distinguishes the multiple control information corresponding to the same DMRS indication information by the value indicated by the new data in the unenabled transport block. In this way, it is not necessary to add the DMRS indication information in the single-enabled transport block configuration table, thereby avoiding increasing the number of bits of the binary data indicating the DMRS indication information, and avoiding the length increase of the DCI, thereby avoiding the performance degradation of the control channel.

DRAWINGS

FIG. 1 is a schematic diagram of an application scenario of a method for acquiring control information provided by the present application;

2 is a schematic flowchart of a method for acquiring control information provided by the present application;

FIG. 3 is a schematic diagram of resource occupation provided by the present application;

4 is a schematic structural diagram of a terminal device provided by the present application;

FIG. 5 is a schematic structural diagram of a base station provided by the present application;

FIG. 6 is a schematic structural diagram 1 of a control information acquiring apparatus provided by the present application; FIG.

FIG. 7 is a schematic structural diagram 2 of a control information acquiring apparatus provided by the present application; FIG.

FIG. 8 is a schematic structural diagram of another control information acquiring apparatus provided by the present application.

detailed description

FIG. 1 is a schematic diagram of an application scenario of a method for acquiring control information provided by the present application. Referring to FIG. 1, a terminal device 101 and a base station 102 are included. A single enabled transport block configuration table and a dual enabled transport block configuration table are configured in the terminal device 101 and the base station 102, and the single enabled transport block configuration table and the dual enabled transport block configuration table respectively include a plurality of DMRS indication information, and Each DMRS indicates control information corresponding to the information, and the control information includes information such as the number of transmission layers of the data, the DMRS port number of the transmitted data, and the like. The DMRS indication information is usually represented by a number, for example, the DMRS indication information may be any one of 0-15.

When transmitting the data information to the terminal device 101, the base station 102 encodes the data information, and transmits the encoded data information to the terminal device 101 through the resource location occupied by the DMRS, and transmits the resource location occupied by the other partial DMRS to the terminal device 101. Pilot information used to decode data information. At the same time, the base station 102 also sends the DMRS indication information and the indication information of the two transport blocks to the terminal device 101, where the indication information of the transport block is used to indicate whether the transport block is enabled, if only one of the two transport blocks is enabled. The terminal device 101 obtains the control information corresponding to the DMRS indication information in the single-enabled transport block configuration table. If the two transport blocks are enabled, the terminal device 101 obtains the DMRS indication information in the dual-enabled transport block configuration table. Control information. The base station 102 generally sends the DMRS indication information to the terminal device 101 in binary form. For example, the DMRS indication information sent by the base station 102 to the terminal device 101 may be any one of 0000-1111.

After the terminal device 101 receives the DMRS indication information sent by the base station 102 and the indication information of the two transport blocks, the terminal device 101 may determine, according to the indication information of the two transport blocks, the single enabled transport block configuration table or the dual enabled transport block configuration. Look up the control information in the table. After the control information is found, the information of the transmission layer of the data, the DMRS port number to which the base station 101 transmits the data information, the DMRS port number for transmitting the pilot information, and the like are determined by the found control information, and are occupied by the corresponding DMRS. The resource location acquires data information and pilot information, and decodes the acquired data information according to information such as the number of transmission layers in the pilot information and the control information.

The base station in the present application may be a base station (Base Transceiver Station, BTS for short) in Global System of Mobile communication (GSM) or Code Division Multiple Access (CDMA), or may be broadband. A base station (NodeB, NB for short) in the code division multiple access (WCDMA), and may also be an evolved base station (Evolutional Node B, eNB or LTE) in Long Term Evolution (LTE). eNodeB), or a base station in a future 5G network, etc., is not limited herein.

The terminal device in this application may be a wireless terminal device or a wired terminal device, and the wireless terminal device may be a device that provides voice and/or other service data connectivity to the user, a handheld device with wireless connection function, or a connection. Other processing devices to the wireless modem. The wireless terminal device can communicate with one or more core networks via a Radio Access Network (RAN), which can be a mobile terminal device, such as a mobile phone (or "cellular" phone) and has The computer of the mobile terminal, for example, may be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language and/or data with the wireless access network. For example, Personal Communication Service (PCS) telephone, cordless telephone, Session Initiation Protocol (SIP) telephone, Wireless Local Loop (WLL) station, personal digital assistant (Personal) Digital Assistant, PDA for short. The wireless terminal may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, and a remote terminal. The access terminal, the user terminal (User Terminal), the user agent (User Agent), and the user device (User Device or User Equipment) are not limited herein.

In the present application, in the single enabled transport block configuration table, one DMRS indication information may correspond to multiple control information, and when it is required to add control information in the single enabled transport block configuration table, the newly added control information may be The DMRS indication information in the single-enable transport block configuration table is correspondingly added, and the DMRS indication information is not added in the single-enabled transport block configuration table, thereby avoiding increasing the number of bits of the binary data indicating the DMRS indication information, thereby avoiding The length of the DCI is increased, which in turn can avoid the performance degradation of the control channel.

In the following, the technical solutions shown in the present application are described in detail in the specific embodiments. It should be noted that the following specific embodiments may be combined with each other, and the same or similar contents are not described in the different embodiments.

FIG. 2 is a schematic flowchart diagram of a method for acquiring control information provided by the present application. Referring to FIG. 2, the method may include:

S201. The base station determines the enabled transport block and the unenabled transport block in the two transport blocks.

A transport block can carry data, wherein a transport block that is not enabled refers to a transport block that does not carry data, and an enabled transport block refers to a transport block that carries data.

When the base station needs to send the encoded data to the terminal device, the base station acquires channel state information for transmitting the encoded data, and determines the number of enabled transport blocks according to the channel state information, and determines the enable transmission when the single transport block is transmitted. Blocks and transport blocks are not enabled.

S202. The base station determines first control information, where the first control information includes a number of transmission layers and a DMRS port number.

The control information may include the number of transmission layers and the DMRS port number. For example, the control information may be: 2layers, ports 7-8, and the control information is used to indicate that the number of transmission layers used by the base station to transmit data is 2 layers, and the DMRS port number is 7. The pilot information is transmitted by the resource location occupied by the DMRS of 8. Of course, the control information may further include a scrambling code and an Orthogonal Cover Code (OCC). For example, the control information may be 1 layer, port 13, nSCID=1, OCC=4, and the control information is used to indicate that the transmission layer used by the base station to transmit data is 1, and the transmission position of the DMRS occupied by the DMRS port number 13 is used. The frequency information has a scrambling code of 1, and an OCC of 4, wherein the pilot information, the scrambling code, and the OCC are used to decode the encoded data.

It should be noted that, in the actual application process, the content included in the control information may be set according to actual needs, which is not specifically limited in this application.

Optionally, the base station may determine the first control information according to the channel state information that is fed back by the terminal device. For example, the channel state information that the terminal device feeds back to the base station may include a rank of the channel, and the base station may determine the data transmission block according to the rank of the channel. The number of the data, and the number of transmission layers of the data, the control information corresponding to the number of transmission layers is obtained in the single enabled transport block configuration table or the dual enabled transport block configuration table, if the control information corresponding to the number of transport layers is multiple And the base station determines, according to the channel state information, one of the multiple control information as the first control information, or the base station may further multiplex the terminal device with the terminal device, and determine the first control in the multiple control information. information. Of course, in the actual application process, the first control information may be determined according to actual needs, which is not specifically limited in this application.

S203. The base station determines, according to the first control information, the single-enabled configuration table, and the encoded data, the first DMRS indication information corresponding to the first control information and the indication information of the two transport blocks.

In the present application, the at least one DMRS indication information in the single enabled transport block configuration table corresponds to at least two control information, wherein, in the single enabled transport block configuration table, part of the DMRS indication information may correspond to one control information, and part of the DMRS indication The information can correspond to two or more control information. In the dual-enabled transport block configuration table, a DMRS indication information generally corresponds to one control information. For example, the single-enabled transport block configuration table and the dual-enable transport block configuration table can be as shown in Table 1:

Table 1

Referring to Table 1, in the single-enabled transport block configuration table, the DMRS indication information 1-11 corresponds to one control information, the DMRS indication information 15 does not correspond to any control information, and the DMRS indication information 12-14 corresponds to two control information, two The control information is separated by a separator "Otherwise". Of course, in the actual application process, the DMRS indication information may also correspond to three or more control information, and the multiple control information may be separated by other spacers, which is not specifically limited in this application. In the dual-enabled configuration table, one DMRS indication information generally corresponds to one control information, and the DMRS may not correspond to any control information. For example, the DMRS control information 14-15 does not correspond to any control information.

The indication information of the transport block is used to indicate whether the transport block is a type of the transport block, and the type of the encoded data, and the type of the encoded data may include new data and retransmitted data. Optionally, the indication information of the transport block may include a value of a modulation and coding scheme, a value indicated by the new data, and a value of the redundancy version.

The value of the modulation coding scheme and the value of the redundancy version are used to indicate whether the transport block is an enabled transport block. For example, when the value of the modulation and coding scheme is 0 and the value of the redundancy version is 1, it indicates that the transport block is not enabled, otherwise, the transport block is enabled.

When the transport block is enabled, the value indicated by the new data is used to indicate whether the encoded data is new data. For example, when the value indicated by the new data is 0, the encoded data is retransmitted data, and when the value indicated by the new data is 1, the encoded data is new data.

When the transport block is not enabled, the value indicated by the new data can be used to indicate the location, identity, etc. of the control information in the corresponding set of control information. For example, suppose that one control information set corresponding to one DMRS indication information includes two control information. When the value indicated by the new data is 0, the position of the control information in the control information set is the first one, and the value indicated by the new data. When 1, it indicates that the position of the control information in the control information set is the second one.

Optionally, the base station may determine the first DMRS indication information and the indication information of the two transport blocks by using the following feasible implementation manners:

The base station first determines the number of enabled transport blocks in the two transport blocks, and determines the first according to the number of enabled transport blocks. The DMRS indicates information and indication information of two transport blocks. specific:

When the two transport blocks are all enabled transport blocks, the base station determines the value of the first DMRS corresponding to the first control information in the dual enable configuration table; the process of determining the indication information of each transport block by the base station is the same, for any one The transporting block, the base station may determine the value of the modulation scheme in the indication information of the transport block according to the channel state information fed back by the terminal device. Optionally, the higher the channel quality indicated by the channel state information, the larger the value of the modulation scheme may be. The value of the remaining version is usually related to the information such as the correctness of the data transmitted by the base station. In the actual application process, the value of the redundancy version may be determined according to actual needs, which is not specifically limited in this application; the base station may be based on the type of the encoded data. Determining the value indicated by the new data in the indication information of the two transport blocks, for example, if the encoded data is retransmitted data, the value indicated by the new data is set to 0, and if the encoded data is new data, the value indicated by the new data is Set to 1.

When one of the two transport blocks is an enabled transport block and one is an unenabled transport block, the base station determines a value of the first DMRS corresponding to the first control information in the single enable configuration table; the base station determines to enable the transport block and The process of not transmitting the indication information of the transport block is different: for the enable transport block, the base station can determine the enable transport block by determining the indication information of the enable transport block when both transport blocks are the transport blocks. Instructions, no more details here. For the case that the transport block is not enabled, the base station may determine the value of the modulation and coding scheme and the value of the redundancy version of the transport block that are not enabled in the foregoing manner, and the base station may use the first control information in the control information set. The location, or the identification of the first control information in the control information set, determines the value of the new data indication that the transport block is not enabled.

S204. The base station sends the first DMRS indication information and the indication information of the two transport blocks to the terminal device.

S205. The base station sends the encoded data to the terminal device according to the first control information.

Optionally, the downlink DMRS pilot sequence may be generated according to the scrambling code, the OCC, and the like in the first control information, and the pilot is sent according to the DMRS port number in the first control information, where the corresponding DMRS occupies the resource location. information.

In this application, in order to reduce the DMRS overhead, for the downlink data with the transmission layer number of 3 layers and 4 layers, the length can be 4 bits OCC code, so that 4 DMRS ports can share 4 REs, for example, FIG. 3 For the resource occupation diagram provided for this application, refer to FIG. 3, and

DMRS ports

7, 8, 11, and 13 can share four REs.

It should be noted that, in the following embodiments, the transmission modes in which the number of transmission layers is 3 layers and 4 layers are described in detail, and details are not described herein.

S206. The terminal device acquires the first control information in the single enabled transport block configuration table or the dual enabled transport block configuration table according to the first DMRS indication information and the indication information of the two transport blocks.

After the terminal device receives the first DMRS indication information and the indication information of the two transport blocks, the terminal device first determines the number of the enabled transport blocks according to the indication information of the two transport blocks, and optionally, if the indication information of the transport block If the value of the modulation coding scheme is 0 and the value of the redundancy version is 1, it is determined that the transport block is an unenabled transport block; otherwise, the transport block can be determined to be an enabled transport block.

If it is determined that both transport blocks are enabled transport blocks, the first control information is obtained in the dual enabled transport block configuration table according to the first DMRS indication information.

If it is determined that one of the two transport blocks is an enabled transport block and the other transport block is an unenabled transport block, the value indicated by the first DMRS indication information and the new data of the unenabled transport block is in the single The first control information is obtained in the enabled transport block configuration table. Optionally, the control information set corresponding to the first DMRS indication information is obtained in the single enabled transport block configuration table according to the first DMRS indication information, and if the control information set includes a control information, the control information set A control information is determined as the first control information, if the control information set includes The at least two pieces of control information acquire the first control information in the control information set according to the value indicated by the new data of the unenabled transport block.

Optionally, if the value indicated by the new data is used to indicate the location of the first control information in the control information set; correspondingly, the first control information may be obtained in the control information set by using the following feasible implementation manner: according to the new data indication And determining a target location of the first control information in the control information set, and acquiring the first control information in the system information set according to the target location in the control information set according to the first control information.

Optionally, if the value indicated by the new data is used to indicate the identifier of the first control information, correspondingly, the first control information may be obtained in the control information set by using a feasible implementation manner: determining, according to the value indicated by the new data And an identifier of the control information, and acquiring the first control information in the control information set according to the identifier of the first control information.

S207. The terminal device acquires pilot information and encoded data according to the DMRS port number in the first control information, and decodes the encoded data according to other information and pilot information in the first control information.

Optionally, for different control information, the method of acquiring pilot information and encoding data is different:

For the existing control information, the pilot information may be obtained at a resource location occupied by the DMRS whose DMRS port number is the DMRS port number in the first control information, and the DMRS port in the first control information except the DMRS port number, and The DMRS port of the common pilot information and the resource location other than the resource location of the DMRS of the DMRS port of the transmission control information acquire the encoded data.

For the extended control information in the present application, the pilot information is obtained at the resource location occupied by the DMRS whose DMRS port number is the DMRS port number in the first control information, and the corresponding resource location acquisition code is obtained according to the DMRS port number in the control information. The data, in which the DMRS port number in the control information is different, and the manner in which the encoded data is obtained is also different, and is described in the following embodiments, and details are not described herein.

In the method for obtaining control information provided by the present application, in the single enabled transport block configuration table, one DMRS indication information may correspond to multiple control information, and when it is required to add control information in the single enabled transport block configuration table, the new information may be added. The control information corresponds to the existing DMRS indication information in the single-enabled transport block configuration table, and distinguishes the multiple control information corresponding to the same DMRS indication information by the value indicated by the new data in the unenabled transport block, so that There is no need to add DMRS indication information in the single-enabled transport block configuration table, thereby avoiding increasing the number of bits of binary data indicating the DMRS indication information, and avoiding the length increase of the DCI, thereby avoiding the performance degradation of the control channel.

On the basis of the foregoing embodiment, in order to reduce the DMRS overhead, for the downlink data with the number of transmission layers being 3 layers and 4 layers, data transmission can be performed by using a new transmission mode, and correspondingly, the configuration of the single enabled transmission block needs to be increased. Add new control information to the table and dual-enable transport block configuration table, specifically:

For the control information with the transmission layer number of 3 layers, one or more of the following control information may be added to the single enabled transport block configuration table and the dual enabled transport block configuration table:

3 layer,port 7,8,11,OCC=4;

3 layer,port 7,8,11, nSCID=0, OCC=4;

3 layer,port 7,8,11, nSCID=1, OCC=4;

3 layer,port 9,10,12,OCC=4;

3 layer, port 9, 10, 12, nSCID = 0, OCC = 4;

3 layer, port 9, 10, 12, nSCID = 1, OCC = 4;

For the control information with the transmission layer number of 4 layers, one or more of the following control information may be added to the single enabled transport block configuration table and the dual enabled transport block configuration table:

4 layer,

port

7,8,11,13,OCC=4;

4 layer,

port

7,8,11,13, nSCID=0, OCC=4;

4 layer,

port

7,8,11,13, nSCID=1, OCC=4;

4 layer,

port

9,10,12,14,OCC=4;

4 layer,

port

9,10,12,14, nSCID=0, OCC=4;

4 layer,

port

9,10,12,14, nSCID=1, OCC=4;

In the present application, when the control information is added in the dual enabled transport block configuration table, the newly added control information may be added to the reserved location of the dual enabled transport block configuration table, for example, the existing dual enabled transmission. The DMRS indication information 12-15 in the block configuration table does not normally correspond to any control information, and the location of the control information corresponding to the DMRS indication information 12-15 is a reserved location. Correspondingly, the newly added control information and the DMRS indication information may be 12- 15 corresponds.

For example, if the location of the control information corresponding to the existing DMRS indication information 12-15 is a reserved location, the existing dual-enabled transport block configuration table may be as shown in Table 2:

Table 2

After the new control information is added to the dual-enabled transport block configuration table, the dual-enabled transport block configuration table can be as shown in Table 3:

table 3

It should be noted that Table 3 merely illustrates the addition of control information in the dual enabled transport block configuration table by way of example, and does not limit the control information added in the dual enabled transport block configuration table.

When the control information is added to the single-enabled transport block configuration table, if the reserved block configuration table includes the reserved location, the newly added control information can be added to the reserved location. If the transport block configuration table is enabled. The reserved location is not included, and the newly added control information may be added to any position of the single enabled transport block configuration table, so that the newly added control information corresponds to any one of the DMRS indication information.

For example, suppose the existing single-enable transport block configuration table is shown in Table 4:

Table 4

The new control information 3 layer, port 7,8,11, OCC=4, and control information 4layer,

port

7,8,11,13, OCC=4 are added in the single enabled transport block configuration table. The transport block configuration table can be as shown in Table 5:

table 5

It should be noted that Table 5 merely illustrates the addition of control information in the single enabled transport block configuration table by way of example, not the location where the control information is added, and the limitation of the control information added in the single enabled transport block configuration table. .

It should also be noted that in the actual application process, the transport block configuration table (single enabled transport block configuration table and dual enabled transport block configuration table) in the base station and the terminal device need to be modified at the same time, so that the base station and the terminal device are in the base station and the terminal device. The transport block configuration table is the same.

After the foregoing control information is added to the transport block configuration table, when the base station sends the downlink data by using the foregoing control information, the resource locations for transmitting the pilot information and the encoded data are determined according to the following feasible implementation manners:

A feasible implementation manner: the first control information indicates that the number of transmission layers is 3, and the DMRS port numbers are 7, 8, and 11.

In this feasible implementation manner, the base station transmits pilot information at resource positions occupied by DMRSs of DMRS port numbers 7, 8, and 11. The base station transmits a part of the coded data in the resource position occupied by the DMRS with the

DMRS port numbers

9, 10, 12, and 14, and the resources occupied by the DMRS except the DMRS port numbers of 7, 8, 11, 9, 10, 12, and 14. A portion of the resource location outside the location sends another portion of the encoded data.

Optionally, some resource locations except the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 9, 10, 12, and 14 are, except that the DMRS port numbers are 7, 8, 11, and 9. The resource location occupied by the DMRS of 10, 12, and 14, the resource location for transmitting the common pilot information, the resource location of the Channel State Information Reference Signal (CSI-RS), and the resource for transmitting the control information Outside the location, etc. Resource location.

Correspondingly, when the terminal device determines that the first control information is the control information, the terminal device acquires pilot information at a resource location occupied by the DMRS with the DMRS port numbers 7, 8, and 11, and the terminal device is in the DMRS port number. The resource locations occupied by the DMRSs of 9, 10, 12, and 14 acquire a part of the encoded data, and some resources other than the resource positions occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 9, 10, 12, and 14 The location gets another part of the encoded data.

Another feasible implementation manner: the first control information indicates that the number of transmission layers is 3, and the DMRS port numbers are 9, 10, and 12.

In this feasible implementation manner, the base station sends pilot information at resource positions occupied by DMRSs with DMRS port numbers 9, 10, and 12; the base station is in addition to

DMRS port numbers

7, 8, 11, 13, 9, and 10. The coded data is transmitted by some resource locations other than the resource location occupied by the DMRS of 12.

Optionally, some resources except the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, and 12 are, except for the DMRS port numbers of 7, 8, 11, and 13, The resource locations occupied by the DMRSs of 9, 10, and 12, the resource locations of the common pilot information, the resource locations of the CSI-RSs, and the resource locations of the control information.

Correspondingly, when the terminal device determines that the first control information is the control information, the terminal device acquires pilot information at a resource location occupied by the DMRS whose DMRS port numbers are 9, 10, and 12; the terminal device is in addition to the DMRS port number. The encoded data is obtained for a part of the resource locations other than the resource locations occupied by the DMRSs of 7, 8, 11, 13, 9, 10, and 12.

Yet another feasible implementation manner: the first control information indicates that the number of transmission layers is 4, and the DMRS port numbers are 7, 8, 11, and 13.

In this feasible implementation manner, the base station sends pilot information at resource positions occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13; the base station is in DMRS ports with DMRS port numbers of 9, 10, 12, and 14. The occupied resource location transmits a part of the encoded data, and another part of the encoded data is transmitted at a part of the resource locations except the resource locations occupied by the DMRSs of the DMRS ports of 7, 8, 11, 13, 9, 10, 12, 14.

Optionally, some resource locations except the resource locations occupied by the DMRSs of the DMRS ports of 7, 8, 11, 13, 9, 10, 12, and 14 are, except that the DMRS port numbers are 7, 8, 11, The resource locations occupied by the DMRSs of 13, 9, 10, 12, and 14 and the resource locations of the resource information for transmitting the common pilot information, the resource location for transmitting the CSI-RS, and the resource location for transmitting the control information.

Correspondingly, when the terminal device determines that the first control information is the control information, the terminal device acquires pilot information at a resource location occupied by the DMRS with the

DMRS port numbers

7, 8, 11, and 13; the terminal device is in the DMRS port number. Obtaining a part of the encoded data for the resource positions occupied by the DMRSs of 9, 10, 12, and 14 except for the resource positions occupied by the DMRSs of the DMRS ports of 7, 8, 11, 13, 9, 10, 12, and 14. Part of the resource location gets another part of the encoded data.

Yet another feasible implementation manner: the first control information indicates that the number of transmission layers is 4, and the DMRS port numbers are 9, 10, 12, and 14.

DMRS port numbers

9, 10, 12, and 14; the base station is in addition to

DMRS port numbers

7, 8, 11, 13, and 9. The coded data is transmitted by some resource locations other than the resource location occupied by the DMRSs of 10, 12, and 14.

Optionally, some resource locations except the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12, and 14 are, except for the DMRS port numbers of 7, 8, and 11. The resource locations occupied by the DMRSs of 13, 9, 10, 12, and 14 and the resource locations other than the resource locations for transmitting the common pilot information, the resource locations for transmitting the CSI-RS, and the resource locations for transmitting the control information.

Correspondingly, when the terminal device determines that the first control information is the control information, the terminal device acquires pilot information at a resource location occupied by the DMRS whose DMRS port numbers are 9, 10, 12, and 14; the terminal device is in addition to the DMRS port. The coded data is obtained for a part of the resource locations other than the resource locations occupied by the DMRSs of 7, 8, 11, 13, 9, 10, 12, and 14.

Hereinafter, the technical solutions shown in the present application will be described in detail by way of specific examples.

Exemplarily, assume that the single enabled transport block configuration table and the dual enabled transport block configuration table in the base station and the terminal device are as shown in Table 6:

Table 6

Assuming that the base station transmits data to the terminal device, the base station determines to transmit data to the terminal device through one transport block, and determines that the transport block 1 is an enabled transport block, and the transport block 2 is an unenabled transport block, and correspondingly, the transport block 1 The instructions can be as shown in Table 7:

Table 7

Assuming that the base station determines to transmit data to the terminal device through the layer 4 transport layer, and transmits pilot information to the terminal at a resource location occupied by the DMRS of the DMRS port of 7, 8, 11, and 13, the base station determines that the control information is 4 layer. Port7,8,11,13, OCC=4, the control information corresponds to the DMRS indication information 14 in the single-enabled transport block control table, and the control information is in the second position in the corresponding control information set of the DMRS indication information 14 Therefore, the base station can determine that the indication information of the transport block 2 can be as shown in Table 8:

Table 8

After the base station determines that the above information is obtained, the base station transmits the first DMRS indication information 14 to the terminal device, and transmits the indication information shown in Table 7-Table 8 to the terminal device. The base station also transmits pilot information at resource positions occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13; and transmits a part of coded data at resource positions occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14 Another portion of the encoded data is transmitted at a portion of the resource locations other than the resource locations occupied by the DMRSs of the DMRS ports of 7, 8, 11, 13, 9, 10, 12, 14.

After the terminal device receives the first DMRS indication information 14 and transmits the indication information shown in Table 7-Table 8 to the terminal device, the terminal device determines the transport block according to the value of the coded modulation scheme in Table 7 and the value of the redundancy version. 1 is enabled a transport block, the terminal device determines that the transport block 2 is an unenabled transport block according to the value of the coded modulation scheme in Table 8 and the value of the redundancy version, and therefore, the terminal device according to the first DMRS indication information 14, and the transport block 2 ( The value indicated by the new data in the transport block is not enabled (1), and the first control information is looked up in the single enabled transport block configuration table. Specifically, the terminal device determines, according to the first DMRS indication information 14, that the control information set includes the following two control information:

Control information 4 layers, ports 7-10;

Control information 4 layer,

port

7,8,11,13, OCC=4;

The terminal device determines that the position of the first control information in the control information set is position 2 according to the value (1) indicated by the new data in the transport block 2 (the transport block is not enabled), and the terminal device controls the information 4 layer, port7 , 8, 11, 13, and OCC=4 are determined as the first control information.

After the terminal device determines that the first control information is 4 layer,

port

7, 8, 11, 13 and OCC=4, the terminal device acquires the resource position occupied by the DMRS with the

DMRS port numbers

7, 8, 11, and 13. Frequency information; a part of the coded data is obtained at the resource location occupied by the DMRS with the

DMRS port numbers

9, 10, 12, and 14 in the DMRS except the DMRS ports of 7, 8, 11, 13, 9, 10, 12, and 14. The part of the resource location other than the resource location acquires another part of the encoded data, and the terminal device performs channel estimation according to the obtained pilot information, and decodes the obtained encoded data.

FIG. 4 is a schematic structural diagram of a terminal device provided by the present application. Referring to FIG. 4, the terminal device may include a receiver 11, a processor 12, a memory 13, and a communication bus 14, and the memory 13 is used to store program instructions, and the communication bus 14 is used to implement connection between components. The processor 12 is configured to read a program instruction in the memory 13 and execute an operation corresponding to the program instruction, where

The receiver 11 is configured to receive first demodulation reference signal DMRS indication information and indication information of two transport blocks;

The processor 12 is configured to obtain first control information in a single enabled transport block configuration table or a dual enabled transport block configuration table according to the first DMRS indication information and the indication information of the two transport blocks; The first control information includes a number of transmission layers and a DMRS port number;

The terminal device provided by the present application may perform the technical solutions shown in the foregoing method embodiments, and the implementation principles and beneficial effects thereof are similar, and details are not described herein.

In a possible implementation, the indication information of the two transport blocks respectively includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version. The processor 12 is specifically configured to:

In another possible implementation manner, the processor 12 is specifically configured to:

In another possible implementation, the value indicated by the new data is used to indicate a location of the first control information in the control information set; the processor 12 is specifically configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11, the processor 12 is specifically configured to:

DMRS port numbers

9, 10, 12, and 14 in the resource locations occupied by the DMRSs with the

DMRS port numbers

In another possible implementation, when the number of transmission layers included in the first control information is 3, and the DMRS port number is 9, 10, 12, the processor 12 is specifically configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13, the processor 12 is specifically configured to:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port number is 9, 10, 12, and 14, the processor 12 is specifically configured to:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

DMRS port numbers

7, 8, 11, 13, 9, 10, 12, and 14.

FIG. 5 is a schematic structural diagram of a base station provided by the present application. Referring to FIG. 5, the base station may include a processor 21, a transmitter 22, a memory 23, and a communication bus 24 for storing program instructions, and the communication bus 24 is used to implement connection between components. The processor 21 is configured to read a program instruction in the memory 23, and execute an operation corresponding to the program instruction, where

The processor 21 is configured to determine an enabled transport block and an unenabled transport block in two transport blocks;

The processor 21 is further configured to: determine first control information, where the first control information includes a number of transmission layers and a DMRS port number;

The processor 21 is further configured to: acquire the first demodulation reference signal DMRS indication information corresponding to the first control information, and the two according to the first control information, the single-enabled configuration table, and the encoded data. The indication information of the transport block, where the at least one DMRS indication information in the single enabled transport block configuration table corresponds to at least two control information;

The transmitter 22 is configured to send the first DMRS indication information and the indication information of the two transport blocks to the terminal device.

The base station provided by the present application can perform the technical solutions shown in the foregoing method embodiments, and the implementation principles and the beneficial effects are similar, and details are not described herein.

In a possible implementation, the two transport blocks include an enabled transport block and an unenabled transport block. The processor 21 is specifically configured to:

In another possible implementation manner, the indication information of the unenabled transport block includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version. The processor 21 is specifically configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11, the transmitter 22 is further configured to:

DMRS port numbers

9, 10, 12, and 14, and the resource positions occupied by the DMRSs of the

DMRS port numbers

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port number is 9, 10, 12, the transmitter 22 is further configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13, the transmitter 22 is further configured to:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

9, 10, 12, and 14, and the resources occupied by the DMRSs of the DMRS ports are 7, 8, 11, 13, 9, 10, 12, and 14. Part outside the location The resource location sends another portion of the encoded data.

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 9, 10, 12, and 14, the transmitter 22 is further configured to:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

FIG. 6 is a schematic structural diagram 1 of a control information acquiring apparatus provided by the present application. The control information acquiring device may be disposed in the terminal device. Referring to FIG. 6, the device includes a receiving module 31 and a first acquiring module 32, where

The receiving module 31 is configured to receive first demodulation reference signal DMRS indication information and indication information of two transport blocks;

The first obtaining module 32 is configured to obtain the first control in the single enabled transport block configuration table or the dual enabled transport block configuration table according to the first DMRS indication information and the indication information of the two transport blocks. Information; the first control information includes a number of transmission layers and a DMRS port number;

The control information obtaining apparatus provided by the present application may perform the technical solutions shown in the foregoing method embodiments, and the implementation principles and beneficial effects thereof are similar, and details are not described herein.

In another possible implementation manner, the indication information of the two transport blocks respectively includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version. The first obtaining module 32 is specifically configured to:

In another possible implementation manner, the first obtaining module 32 is specifically configured to:

In another possible implementation, the value indicated by the new data is used to indicate the location of the first control information in the control information set; the first obtaining module 32 is specifically configured to:

FIG. 7 is a schematic structural diagram 2 of a control information acquiring apparatus provided by the present application. On the basis of the embodiment shown in FIG. 6, referring to FIG. 7, the apparatus further includes a second obtaining module 33, wherein the number of transmission layers included in the first control information is 3, and the DMRS port number is 7. At 8, 10, the second obtaining module 33 is configured to:

DMRS port numbers

9, 10, 12, and 14 in the resource locations occupied by the DMRSs with the

DMRS port numbers

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port number is 9, 10, 12, the second obtaining module 33 is configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 4, and the DMRS port number is 7, 8, 11, or 13, the second obtaining module 33 is configured to:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

In another possible implementation manner, when the first control information indicates that the number of transmission layers is 4, and the DMRS port numbers are 9, 10, 12, and 14, the second obtaining module 33 is configured to:

Obtaining pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

DMRS port numbers

7, 8, 11, 13, 9, 10, 12, and 14.

FIG. 8 is a schematic structural diagram of another control information acquiring apparatus provided by the present application. The control information obtaining apparatus may be disposed in a base station. Referring to FIG. 8, the apparatus includes a first determining module 41, a second determining module 42, an obtaining module 43, and a sending module 44, where

The first determining module 41 is configured to determine an enabled transport block and an unenabled transport block in two transport blocks;

The second determining module 42 is configured to determine first control information, where the first control information includes a number of transmission layers and a DMRS port number;

The obtaining module 43 is configured to acquire, according to the first control information, the single-enabled configuration table, the encoded data, the first demodulation reference signal DMRS indication information corresponding to the first control information, and the two The indication information of the transport block, where the at least one DMRS indication information in the single enabled transport block configuration table corresponds to at least two control information;

The sending module 44 is configured to send the first DMRS indication information and the indication information of the two transport blocks to the terminal device.

In a possible implementation, the two transport blocks include an enable transport block and an unenabled transport block; the obtaining module 43 is specifically configured to:

In another possible implementation manner, the indication information of the unenabled transport block includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version. The obtaining module 43 is specifically configured to:

In another possible implementation manner, when the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11, the sending module 44 is further configured to:

DMRS port numbers

9, 10, 12, and 14, and the resource positions occupied by the DMRSs of the

DMRS port numbers

In another possible implementation manner, when the first control information indicates that the number of transmission layers is 3, and the DMRS port numbers are 9, 10, and 12, the sending module 44 is further configured to:

In another possible implementation manner, when the first control information indicates that the number of transmission layers is 4, and the DMRS port numbers are 7, 8, 11, and 13, the sending module 44 is further configured to:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

7, 8, 11, and 13;

DMRS port numbers

In another possible implementation manner, when the first control information indicates that the number of transmission layers is 4, and the DMRS port numbers are 9, 10, 12, and 14, the sending module 44 is further configured to:

Transmitting pilot information at resource locations occupied by DMRSs with

DMRS port numbers

9, 10, 12, and 14;

A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to the program instructions. The foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

Claims

A method for acquiring control information, which is characterized in that it is applied to a terminal device, and the method includes:

Receiving first demodulation reference signal DMRS indication information and indication information of two transmission blocks;

And acquiring first control information in the single enabled transport block configuration table or the dual enabled transport block configuration table according to the first DMRS indication information and the indication information of the two transport blocks; the first control information includes transmission Number of layers and DMRS port number;

The single enabled transport block configuration table and the dual enabled transport block configuration table include a plurality of DMRS indication information and control information corresponding to each DMRS indication information, where the single enabled transport block configuration table is There is at least one DMRS indication information corresponding to at least two pieces of control information.
The method according to claim 1, wherein the indication information of the two transport blocks respectively includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version; correspondingly, according to the first The DMRS indication information and the indication information of the two transport blocks are used to obtain the first control information in the single-enabled transport block configuration table or the dual-enabled transport block configuration table, including:

And the value of the modulation coding scheme of the two transport blocks and the value of the redundancy version indicate that one of the two transport blocks is not enabled, according to the first DMRS indication information and the unenabled transport block The value indicated by the new data, the first control information is obtained in the single enabled transport block configuration table;

The values of the modulation and coding schemes of the two transport blocks and the value of the redundancy version indicate that the two transport blocks are enabled, and then obtained in the dual enabled transport block configuration table according to the first DMRS indication information. The first control information.
The method according to claim 2, wherein the number is obtained in the single enabled transport block configuration table according to values indicated by the first DMRS indication information and new data of an unenabled transport block A control message, including:

And acquiring, according to the first DMRS indication information, a control information set corresponding to the first DMRS indication information in the single enabled transport block configuration table;

The control information set includes one control information, and one control information in the control information set is determined as the first control information; or the control information set includes at least two control information, The value indicated by the new data of the unenabled transport block is obtained by acquiring the first control information in the control information set.
The method according to claim 2 or 3, wherein the value indicated by the new data is used to indicate a location of the first control information in the control information set; correspondingly, according to the not enabled The value of the new data indicated by the transport block is obtained by acquiring the first control information in the control information set, including:

Determining, according to the value indicated by the new data, a target location of the first control information in the control information set;

And acquiring, according to the target location in the control information set, the first control information in the system information set.
The method according to any one of claims 1-4, wherein the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11; correspondingly, in a single enable After obtaining the first control information in the transport block configuration table or the dual-enabled transport block configuration table, the method further includes:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, and 11;

Obtain a part of the encoded data in the resource location occupied by the DMRS with the DMRS port numbers 9, 10, 12, and 14 in the resource locations occupied by the DMRSs with the DMRS port numbers 7, 8, 11, 9, 10, 12, and 14. Part of the resource location other than the acquisition of another part of the encoded data.
The method according to any one of claims 1-4, wherein the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 9, 10, 12; correspondingly, the single layer is enabled. After obtaining the first control information in the transport block configuration table or the dual-enabled transport block configuration table, the method further includes:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, and 12;

The encoded data is acquired at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12.
The method according to any one of claims 1-4, wherein the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13; correspondingly, in the single After the first control information is obtained in the transport block configuration table or the dual-enabled transport block configuration table, the method further includes:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, 11, and 13;

Obtain a part of the encoded data in the resource location occupied by the DMRS with the DMRS port numbers 9, 10, 12, and 14, and the resources occupied by the DMRSs of the DMRS ports of 7, 8, 11, 13, 9, 10, 12, and 14. A portion of the resource location outside the location acquires another portion of the encoded data.
The method according to any one of claims 1-4, wherein the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 9, 10, 12, 14; correspondingly, in the single After the first control information is obtained in the transport block configuration table or the dual-enabled transport block configuration table, the method further includes:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, 12, and 14;

The encoded data is acquired at a part of the resource locations other than the resource locations occupied by the DMRSs of the DMRS port numbers 7, 8, 11, 13, 9, 10, 12, and 14.
A method for acquiring control information is characterized in that it is applied to a base station, and the method includes:

Determining an enabled transport block and an unenabled transport block in two transport blocks;

Determining first control information, where the first control information includes a number of transmission layers and a DMRS port number;

Acquiring the first demodulation reference signal DMRS indication information corresponding to the first control information and the indication information of the two transmission blocks, according to the first control information, the single-enabled configuration table, and the encoded data, The at least one DMRS indication information in the single enabled transport block configuration table corresponds to at least two control information;

And transmitting the first DMRS indication information and the indication information of the two transport blocks to the terminal device.
The method according to claim 9, wherein said two transport blocks comprise an enable transport block and an unenabled transport block; and correspondingly, according to said first control information and a single enable configuration table And acquiring the DMRS indication information corresponding to the first control information and the indication information of the two transport blocks, including:

Acquiring the first DMRS indication information corresponding to the first control information in the single-enabled configuration table;

Acquiring the indication information of the enabled transport block according to the channel state information that is fed back by the terminal device and the type of the encoded data, where the type of the encoded data includes new data and retransmission data;

Acquiring the control information set corresponding to the first DMRS indication information, and acquiring the indication information of the unenabled transport block according to the preset rule, the first control information, and the control information set.
The method according to claim 10, wherein the indication information of the unenabled transport block comprises a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version; correspondingly, according to the preset Rules, institutes The first control information and the control information set are used to obtain the indication information of the unenabled transport block, including:

Obtaining, according to the channel state information, a value of a modulation and coding scheme and a value of a redundancy version in the indication information of the unenabled transport block;

Obtaining a value indicated by the new data of the unenabled transport block according to the location of the first control information in the control information set or the identifier of the first control information in the control information set.
The method according to any one of claims 9-11, wherein the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 7, 8, 11; correspondingly, determined for control After transmitting the first control information of the encoded data, the method further includes:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, and 11;

A part of the encoded data is transmitted at the resource location occupied by the DMRS with the DMRS port numbers 9, 10, 12, and 14, and the resource positions occupied by the DMRSs of the DMRS port numbers 7, 8, 11, 9, 10, 12, and 14 A portion of the resource location other than the location sends another portion of the encoded data.
The method according to any one of claims 9-11, wherein the number of transmission layers included in the first control information is 3, and the DMRS port numbers are 9, 10, 12; correspondingly, determined for control After transmitting the first control information of the encoded data, the method further includes:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, and 12;

The encoded data is transmitted at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12.
The method according to any one of claims 9 to 11, wherein the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13; After controlling the first control information of the transmitted encoded data, the method further includes:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, 11, and 13;

A part of the encoded data is transmitted at the resource location occupied by the DMRS with the DMRS port numbers 9, 10, 12, and 14, and the resources occupied by the DMRSs of the DMRS ports are 7, 8, 11, 13, 9, 10, 12, and 14. A portion of the resource location outside the location sends another portion of the encoded data.
The method according to any one of claims 9-11, wherein the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 9, 10, 12, 14; After encoding the first control information of the data, the method further includes:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, 12, and 14;

The encoded data is transmitted at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12, 14.
A terminal device, comprising: a receiver, a processor, a memory, and a communication bus, wherein the memory is used to store program instructions, the communication bus is used to implement a connection between components, and the processor is used for Reading a program instruction in the memory, and executing an operation corresponding to the program instruction, where

The receiver is configured to receive first demodulation reference signal DMRS indication information and indication information of two transport blocks;

The processor is configured to acquire first control information in a single enabled transport block configuration table or a dual enabled transport block configuration table according to the first DMRS indication information and the indication information of the two transport blocks; The first control information includes a transmission layer number and a DMRS port number;

The single enabled transport block configuration table and the dual enabled transport block configuration table include a plurality of DMRS indication information and control information corresponding to each DMRS indication information, where the single enabled transport block configuration table is There is at least one DMRS indication information corresponding to at least two pieces of control information.
The terminal device according to claim 16, wherein the indication information of the two transport blocks respectively includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version; the processor is specifically configured to: :

And the value of the modulation coding scheme of the two transport blocks and the value of the redundancy version indicate that one of the two transport blocks is not enabled, according to the first DMRS indication information and the unenabled transport block The value indicated by the new data, the first control information is obtained in the single enabled transport block configuration table;

The values of the modulation and coding schemes of the two transport blocks and the value of the redundancy version indicate that the two transport blocks are enabled, and then obtained in the dual enabled transport block configuration table according to the first DMRS indication information. The first control information.
The terminal device according to claim 17, wherein the processor is specifically configured to:

And acquiring, according to the first DMRS indication information, a control information set corresponding to the first DMRS indication information in the single enabled transport block configuration table;

The control information set includes one control information, and one control information in the control information set is determined as the first control information; or the control information set includes at least two control information, The value indicated by the new data of the unenabled transport block is obtained by acquiring the first control information in the control information set.
The terminal device according to claim 17 or 18, wherein the value indicated by the new data is used to indicate a location of the first control information in the control information set; the processor is specifically configured to:

Determining, according to the value indicated by the new data, a target location of the first control information in the control information set;

And acquiring, according to the target location in the control information set, the first control information in the system information set.
The terminal device according to any one of claims 16 to 19, wherein the number of transmission layers included in the first control information is 3, and when the DMRS port numbers are 7, 8, 11 Specifically used for:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, and 11;

Obtain a part of the encoded data in the resource location occupied by the DMRS with the DMRS port numbers 9, 10, 12, and 14 in the resource locations occupied by the DMRSs with the DMRS port numbers 7, 8, 11, 9, 10, 12, and 14. Part of the resource location other than the acquisition of another part of the encoded data.
The terminal device according to any one of claims 16 to 19, wherein the number of transmission layers included in the first control information is 3, and when the DMRS port numbers are 9, 10, 12, the processor Specifically used for:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, and 12;

The encoded data is acquired at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12.
The terminal device according to any one of claims 16 to 19, wherein when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 7, 8, 11, and 13, The processor is specifically used to:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, 11, and 13;

Obtain a part of the encoded data in the resource location occupied by the DMRS with the DMRS port numbers 9, 10, 12, and 14, and the resources occupied by the DMRSs of the DMRS ports of 7, 8, 11, 13, 9, 10, 12, and 14. Part outside the location The resource location gets another part of the encoded data.
The terminal device according to any one of claims 16 to 19, wherein when the number of transmission layers included in the first control information is 4, and the DMRS port numbers are 9, 10, 12, 14, The processor is specifically used to:

Obtaining pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, 12, and 14;

The encoded data is acquired at a part of the resource locations other than the resource locations occupied by the DMRSs of the DMRS port numbers 7, 8, 11, 13, 9, 10, 12, and 14.
A base station, comprising: a processor, a transmitter, a memory, and a communication bus, wherein the memory is used to store program instructions, the communication bus is used to implement a connection between components, and the processor is used for reading Taking a program instruction in the memory, and executing an operation corresponding to the program instruction, where

The processor is configured to determine an enabled transport block and an unenabled transport block in two transport blocks;

The processor is further configured to determine first control information, where the first control information includes a number of transmission layers and a DMRS port number;

The processor is further configured to acquire, according to the first control information, the single-enabled configuration table, the encoded data, a first demodulation reference signal DMRS indication information corresponding to the first control information, and the two The indication information of the transport block, where the at least one DMRS indication information in the single enabled transport block configuration table corresponds to at least two control information;

The transmitter is configured to send the first DMRS indication information and the indication information of the two transport blocks to the terminal device.
The base station according to claim 24, wherein the two transport blocks include an enable transport block and an unenabled transport block; the processor is specifically configured to:

Acquiring the first DMRS indication information corresponding to the first control information in the single-enabled configuration table;

Acquiring the indication information of the enabled transport block according to the channel state information that is fed back by the terminal device and the type of the encoded data, where the type of the encoded data includes new data and retransmission data;

Acquiring the control information set corresponding to the first DMRS indication information, and acquiring the indication information of the unenabled transport block according to the preset rule, the first control information, and the control information set.
The base station according to claim 25, wherein the indication information of the unenabled transport block includes a value of a modulation and coding scheme, a value indicated by a new data, and a value of a redundancy version; the processor is specifically configured to:

Obtaining, according to the channel state information, a value of a modulation and coding scheme and a value of a redundancy version in the indication information of the unenabled transport block;

Obtaining a value indicated by the new data of the unenabled transport block according to the location of the first control information in the control information set or the identifier of the first control information in the control information set.
The base station according to any one of claims 24 to 26, wherein the number of transmission layers included in the first control information is 3, and when the DMRS port numbers are 7, 8, and 11, the transmitter further Used for:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, and 11;

A part of the encoded data is transmitted at the resource location occupied by the DMRS with the DMRS port numbers 9, 10, 12, and 14, and the resource positions occupied by the DMRSs of the DMRS port numbers 7, 8, 11, 9, 10, 12, and 14 A portion of the resource location other than the location sends another portion of the encoded data.
The base station according to any one of claims 24 to 26, wherein the number of transmission layers included in the first control information is 3, and when the DMRS port numbers are 9, 10, 12, the transmitter further Used for:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, and 12;

The encoded data is transmitted at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12.
The base station according to any one of claims 24 to 26, wherein the number of transmission layers included in the first control information is 4, and when the DMRS port numbers are 7, 8, 11, and 13, the transmitting Also used to:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 7, 8, 11, and 13;

A part of the encoded data is transmitted at the resource location occupied by the DMRS with the DMRS port numbers 9, 10, 12, and 14, and the resources occupied by the DMRSs of the DMRS ports are 7, 8, 11, 13, 9, 10, 12, and 14. A portion of the resource location outside the location sends another portion of the encoded data.
The base station according to any one of claims 24 to 26, wherein the number of transmission layers included in the first control information is 4, and when the DMRS port numbers are 9, 10, 12, and 14, the transmitting Also used to:

Transmitting pilot information at resource locations occupied by DMRSs with DMRS port numbers 9, 10, 12, and 14;

The encoded data is transmitted at a part of the resource locations other than the resource locations occupied by the DMRSs whose DMRS port numbers are 7, 8, 11, 13, 9, 10, 12, 14.