CN112788590A - Information transmission method and device - Google Patents
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- CN112788590A CN112788590A CN201911087151.4A CN201911087151A CN112788590A CN 112788590 A CN112788590 A CN 112788590A CN 201911087151 A CN201911087151 A CN 201911087151A CN 112788590 A CN112788590 A CN 112788590A
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Abstract
The application discloses an information transmission method and device, which are used for enabling a network side to acquire UE capability information of a terminal about the supporting condition of codebook parameter configuration of a Type II codebook. The application provides an information transmission method, which comprises the following steps: determining terminal capability information, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook; and sending the terminal capability information to a network side.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to an information transmission method and apparatus.
Background
A release 16(Rel-16) Type two (Type II) codebook requires Precoding Matrix Indicator (PMI) calculation for each subband.
The newly added low-overhead Type II codebook can support the resolutions of two PMIs, one is common resolution, and the size of a sub-band of the PMI is the same as that of a sub-band of a Channel Quality Indicator (CQI); the other is high resolution, and the subband size of PMI is half the subband size of CQI.
Disclosure of Invention
The embodiment of the application provides an information transmission method and device, which are used for enabling a network side to acquire UE capability information of a terminal about a supporting condition of codebook parameter configuration of a Type II codebook.
On a terminal side, an information transmission method provided in an embodiment of the present application includes:
determining terminal capability information, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and sending the terminal capability information to a network side.
By the method, terminal capability information is determined, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook; and sending the terminal capability information to a network side, so that the network side can acquire the UE capability information of the terminal about the supporting condition of the codebook parameter configuration of the Type II codebook.
Optionally, the capability information includes one or a combination of the following information:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
Optionally, the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
Optionally, whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
Optionally, the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
Correspondingly, on the network side, an information transmission method provided in the embodiment of the present application includes:
receiving terminal capability information reported by a terminal, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and configuring codebook parameters for the terminal based on the terminal capability information.
Optionally, the capability information includes one or a combination of the following information:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
Optionally, the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
Optionally, whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
Optionally, the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
On a terminal side, an information transmission apparatus provided in an embodiment of the present application includes:
a determining unit, configured to determine terminal capability information, where the terminal capability information is used to indicate a support situation of the terminal with respect to codebook parameter configuration of a Type-two Type II codebook;
and the sending unit is used for sending the terminal capability information to a network side.
On the network side, an information transmission apparatus provided in an embodiment of the present application includes:
the terminal comprises a receiving unit and a processing unit, wherein the receiving unit is used for receiving terminal capability information reported by a terminal, and the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and the configuration unit is used for configuring codebook parameters for the terminal based on the terminal capability information.
On the terminal side, another information transmission apparatus provided in the embodiment of the present application includes:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
determining terminal capability information, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and sending the terminal capability information to a network side.
Optionally, the capability information includes one or a combination of the following information:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
Optionally, the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
Optionally, whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
Optionally, the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
On the network side, another information transmission apparatus provided in the embodiments of the present application includes:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
receiving terminal capability information reported by a terminal, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and configuring codebook parameters for the terminal based on the terminal capability information.
Optionally, the capability information includes one or a combination of the following information:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
Optionally, the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
Optionally, whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
Optionally, the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
Another embodiment of the present application provides a computing device, which includes a memory and a processor, wherein the memory is used for storing program instructions, and the processor is used for calling the program instructions stored in the memory and executing any one of the above methods according to the obtained program.
Another embodiment of the present application provides a computer storage medium having stored thereon computer-executable instructions for causing a computer to perform any one of the methods described above.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of an information transmission method at a terminal side according to an embodiment of the present application;
fig. 2 is a schematic flow chart of an information transmission method at a network side according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an information transmission apparatus at a terminal side according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an information transmission apparatus on a network side according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of another information transmission apparatus at a terminal side according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of another information transmission apparatus on a network side according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The new low-overhead Type II codebook in NR Rel-16 needs to perform Precoding Matrix Indicator (PMI) calculation of each sub-band, and after PMIs of all sub-bands are obtained, frequency domain basis vectors are used to compress PMIs of all sub-bands. When PMI calculation is performed for each subband, Singular Value Decomposition (SVD) or eigenvalue decomposition (EVD) is required. The computational complexity of the terminal (UE) is mainly determined by the number of SVD/EVD computations performed. For the high resolution configuration of the Rel-16 Type II codebook, since the subband size of the PMI is half of the subband size of the CQI, the number of the total subband PMIs is twice the number of the total subband Channel Quality Indicators (CQIs). Thus, for the common resolution configuration, the maximum number of sub-band PMIs is 19; and for high resolution configuration, the number of subband PMIs is maximum 38. Therefore, a number of subband PMIs greater than 19 is supported, which requires higher UE computational complexity. Therefore, the UE reports whether the UE supports larger PMI sub-band PMI number or not according to the hardware capability of the UE. Meanwhile, the calculation of SVD/EVD is related to the number of space domain base vectors adopted in the Type II codebook, and the number of different space domain base vectors corresponds to different calculation complexity. Therefore, the number of spatial basis vectors also needs to consider the UE capability.
However, at present, there is no technical scheme for reporting the UE capability according to the number of PMIs in subbands of PMIs and the number of different space basis vectors of a Type II codebook, so that embodiments of the present application provide an information transmission method and apparatus, so that a network side can obtain UE capability information of a terminal about a support situation of high resolution configuration of the Type II codebook.
The method and the device are based on the same application concept, and because the principles of solving the problems of the method and the device are similar, the implementation of the device and the method can be mutually referred, and repeated parts are not repeated.
The technical scheme provided by the embodiment of the application can be suitable for various systems, in particular to a 5G (Fifth Generation) system. For example, the applicable System may be a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) General Packet Radio Service (General Packet Radio Service, GPRS) System, a Long Term Evolution (Long Term Evolution, LTE) System, a LTE Frequency Division Duplex (FDD) System, a LTE Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS), a Worldwide Interoperability for Microwave Access (WiMAX) System, a 5G NR System, and the like. These various systems include terminal devices and network devices.
The terminal device referred to in the embodiments of the present application may refer to a device providing voice and/or data connectivity to a user, a handheld device having a wireless connection function, or other processing device connected to a wireless modem. The names of the terminal devices may also be different in different systems, for example, in a 5G system, the terminal devices may be referred to as User Equipments (UEs). Wireless terminal devices, which may be mobile terminal devices such as mobile telephones (or "cellular" telephones) and computers with mobile terminal devices, e.g., mobile devices that may be portable, pocket, hand-held, computer-included, or vehicle-mounted, communicate with one or more core networks via the RAN. Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like. The wireless terminal device may also be referred to as a system, a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), an access point (access point), a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in this embodiment of the present application.
The network device according to the embodiment of the present application may be a base station, and the base station may include a plurality of cells. A base station may also be referred to as an access point, or a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminal devices, or by other names, depending on the particular application. The network device may be configured to interconvert received air frames with Internet Protocol (IP) packets as a router between the wireless terminal device and the rest of the access network, which may include an Internet Protocol (IP) communication network. The network device may also coordinate attribute management for the air interface. For example, the network device according to the embodiment of the present application may be a Base Transceiver Station (BTS) in a global system for mobile communications (GSM) or a Code Division Multiple Access (CDMA), may also be a network device (NodeB) in a Wideband Code Division Multiple Access (WCDMA), may also be an evolved network device (eNB or e-NodeB) in a Long Term Evolution (LTE) system, a 5G base station in a 5G network architecture (next generation system), and may also be a home evolved node B (HeNB), a relay node (relay node), a home base station (femto), a pico base station (pico), and the like, which are not limited in the embodiments of the present application.
Various embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the display sequence of the embodiment of the present application only represents the sequence of the embodiment, and does not represent the merits of the technical solutions provided by the embodiments.
And a low-overhead Type II codebook is added in NR Rel-16. The codebook can support the resolutions of two PMIs, one is common resolution, and the subband size of the PMI is the same as that of the CQI; the other is high resolution, and the subband size of PMI is half the subband size of CQI. The embodiment of the application provides a UE capability indication mode which is used for informing a base station terminal of the support condition of the high-resolution configuration of a Type II codebook, can more accurately represent the UE capability and ensures certain signaling overhead.
On a terminal side, a method for reporting UE capability provided in an embodiment of the present application includes:
the terminal side sends terminal capability information to the network side, and the terminal capability information is used for indicating the maximum value of the codebook parameter that the terminal can support, or the maximum value of the codebook parameter product, or indicating whether the terminal supports the codebook parameter configuration predefined by the system, or directly indicating the codebook parameter configuration that the terminal can support. Wherein the content of the first and second substances,
optionally, the codebook parameters may include one or a combination of the following parameters: the number L of spatial basis vectors, the number N of subband PMIs (for example, N may be from 1 to 38), and the frequency domain resolution R of PMIs.
Optionally, the spatial basis vector is a basis vector describing a beam direction used for precoding fed back by the UE.
Optionally, the frequency domain resolution R of the PMI indicates the number of PMIs corresponding to one CQI subband.
Optionally, the maximum value indicating the codebook parameter that the terminal can support may be, for example: the maximum value of the codebook parameter is determined on the condition that the value of the first codebook parameter is greater than a preset first threshold (e.g., represented by N3). The first codebook parameter is, for example, the number of subband PMIs.
The first threshold is a value of a codebook parameter, and is predefined by a system according to actual needs, and the specific value is not limited in the embodiment of the application.
Optionally, the indicating whether the terminal supports system-predefined codebook parameter configuration may be, for example: and indicating whether the terminal supports the configuration of the codebook parameters predefined by the system or not under the condition that the system predefines the value of the second codebook parameter. The second codebook parameter is, for example, the number of space-base vectors.
The value of the second codebook parameter predefined by the system is also predefined by the system according to actual needs, and the specific value is not limited in the embodiment of the application.
Accordingly, on the base station side:
receiving signaling sent by a terminal and used for indicating UE capability information, wherein the signaling is used for indicating: the terminal may support the maximum value of the codebook parameter, or the maximum value of the codebook parameter product, or indicate whether the terminal supports the codebook parameter configuration predefined by the system, or directly indicate the codebook parameter configuration that the terminal can support.
And configuring codebook parameters meeting the UE capability for the terminal according to the signaling for the terminal to perform channel measurement and feedback.
An illustration of several specific embodiments is given below.
Example 1:
in this embodiment, the terminal side sends terminal capability information to the network side, so as to indicate a maximum value of a codebook parameter that can be supported by the terminal.
Assume that the system predefines a first threshold of N3 ═ 19, and the first codebook parameter is the number of subband PMIs. The number of spatial basis vectors of the Rel-16 codebook supports three types, which are respectively expressed as L-2, L-4, and L-6.
In this embodiment, the UE capability information is used to indicate the maximum value of the codebook parameters that can be supported by the terminal, and is used to indicate the maximum number of space base vectors that can be supported by the terminal under the condition that the number of subband PMIs is greater than the first threshold N3 ═ 19.
For example:
if the UE capability information indicates that L is 4, the terminal supports the number of subband PMIs greater than 19 when L is 4 and L is 2, but cannot support the number of subband PMIs greater than 19 when L is 6.
If the UE capability information indicates that L is 6, it indicates that the terminal supports the number of subband PMIs greater than 19 when L is 2, L is 4, and L is 6.
If the UE capability information indicates that L is 2, the terminal supports the number of subband PMIs greater than 19 when L is 2, and does not support the number of subband PMIs greater than 19 when L is 4 or L is 6.
In addition, the UE capability information may also indicate 0 or Null, which indicates that the terminal does not support the number of subband PMIs greater than 19 when any L takes on any value.
Correspondingly, when the base station receives the UE capability information, the base station may determine the configuration of the number of the subband PMIs according to the configuration (value) of L.
For example, when the UE capability information indicates L is 4, the base station may configure L is 4, and the number of PMI subbands PMI is greater than N3 is 19, or may configure L is 2, and the number of PMI subbands PMI is greater than N3 is 19, but L is 6 cannot be configured, and the number of PMI subbands PMI is greater than N3 is 19 (only the number of PMI subbands smaller than or equal to N3 can be configured).
Example 2:
in this embodiment, the terminal side sends terminal capability information to the network side, where the terminal is used to indicate whether the terminal supports codebook parameter configuration predefined by the system.
Assuming that the number L of the system predefined airspace base vectors is 2, the terminal must support the number of all PMI sub-band PMIs;
when the number L of the spatial basis vectors is 4, the terminal must support the number of subband PMIs less than or equal to 19 of the first threshold N3; on the other hand, the UE needs to indicate whether the terminal supports the number of subband PMIs greater than the first threshold N3-19.
That is, the system predefines that the value of the second codebook parameter (i.e., the number of space-domain basis vectors) is L ═ 4, and the terminal reports whether the terminal supports codebook parameter configuration with N > 19.
If the capability information reported by the terminal indicates that the codebook parameter configuration with N >19 is supported, it indicates that the terminal can support the number configuration of the sub-band PMIs greater than 19 when L is 4;
if the capability information reported by the terminal indicates that the codebook parameter configuration with N >19 is not supported, it indicates that the terminal does not support the number configuration of the sub-band PMIs larger than 19 when L is 4.
When the number L of the configured space domain base vectors at the base station side is 4, reporting the number according to the capability information of the terminal, and simultaneously configuring the number of sub-band PMIs which are less than or equal to a first threshold value N3 which is 19 or the number of sub-band PMIs which are greater than a first threshold value N3 which is 19 for the terminal.
Example 3:
in this embodiment, the terminal capability information sent by the terminal side to the network side is used to indicate the codebook parameter configuration that the terminal can support.
For example, when the system predefines that the number N of subband PMIs is less than or equal to 19, the terminal must support a parameter configuration (e.g., referred to as zeroth configuration) in which the frequency domain resolution of PMI is R ═ 1;
when the number N of subband PMIs is less than or equal to 19 and the frequency domain resolution of PMI is a parameter configuration (for example, referred to as a first configuration) of R ═ 2, and the number of subband PMIs is greater than 19 and the frequency domain resolution of PMI is a parameter configuration (for example, referred to as a second configuration) of R ═ 2, the terminal needs to instruct.
If the capability information reported by the terminal indicates that the first configuration is supported, the base station can configure codebook parameters for the terminal according to the zeroth configuration or the first configuration;
if the capability information reported by the terminal indicates that the second configuration is supported, the base station may configure codebook parameters for the terminal according to the zeroth configuration, the first configuration or the second configuration;
if the capability information reported by the terminal is Null (0 or Null), the base station can only configure the codebook parameters for the terminal according to the zeroth configuration.
Example 4:
in this embodiment, the terminal capability information reported by the terminal indicates the maximum value of the codebook parameter product.
For example, the terminal capability information reported by the terminal indicates the maximum value of L × R supported by the terminal, and the value may be 4 or 8. Wherein, L represents the number of space base vectors, and R represents the frequency domain resolution of the PMI.
When the terminal capability information reported by the terminal indicates that the maximum value of L × R supported by the terminal is 4, the base station may configure the following codebook parameters for the terminal:
L＝2，R＝1；
L＝2，R＝2；
L＝4，R＝1；
that is, in the above parameters configured by the base station for the terminal, the maximum value of L × R is 4, and the product of L and R does not exceed 4.
When the terminal capability information reported by the terminal indicates that the maximum value of L × R supported by the terminal is 8, the base station may configure the following codebook parameters for the terminal:
L＝2，R＝1；
L＝2，R＝2；
L＝4，R＝1；
L＝4，R＝2；
that is, in the above parameters configured by the base station for the terminal, the maximum value of L × R is 8, and the product of L and R does not exceed 8.
Similarly, the terminal capability information reported by the terminal may also indicate whether the terminal supports codebook parameter configuration predefined by the system, for example, indicate whether the terminal supports codebook parameter configuration of L × R ═ 8.
It should be noted that, in the embodiment of the present application, the terminal side sends the terminal capability information to the network side, and may also include a combination of the following information (that is, multiple information may be indicated at the same time):
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
In summary, the following steps:
referring to fig. 1, at a terminal side, an information transmission method provided in an embodiment of the present application includes:
s101, determining terminal capability information, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and S102, sending the terminal capability information to a network side.
By the method, terminal capability information is determined, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook; and sending the terminal capability information to a network side, so that the network side can acquire the UE capability information of the terminal about the supporting condition of the codebook parameter configuration of the Type II codebook.
Optionally, the capability information includes one or a combination of the following information:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
Optionally, the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
Optionally, whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
Optionally, the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
Correspondingly, referring to fig. 2, on a network side, for example, a base station side, the information transmission method provided in the embodiment of the present application includes:
s201, receiving terminal capability information reported by a terminal, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
s202, configuring codebook parameters for the terminal based on the terminal capability information.
Optionally, the capability information includes one or a combination of the following information:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
Optionally, the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
Optionally, whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
Optionally, the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
Referring to fig. 3, at a terminal side, an information transmission apparatus provided in an embodiment of the present application includes:
a determining unit 11, configured to determine terminal capability information, where the terminal capability information is used to indicate a supporting situation of the terminal with respect to codebook parameter configuration of a Type-two Type II codebook;
a sending unit 12, configured to send the terminal capability information to a network side.
Accordingly, referring to fig. 4, on a network side, for example, a base station side, an information transmission apparatus provided in an embodiment of the present application includes:
a receiving unit 21, configured to receive terminal capability information reported by a terminal, where the terminal capability information is used to indicate a support situation of the terminal on codebook parameter configuration of a Type II codebook;
a configuring unit 22, configured to configure codebook parameters for the terminal based on the terminal capability information.
Referring to fig. 5, on the terminal side, another information transmission apparatus provided in the embodiment of the present application includes:
the processor 600, which is used to read the program in the memory 620, executes the following processes:
determining terminal capability information, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and sending the terminal capability information to a network side.
Optionally, the capability information includes one or a combination of the following information:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
Optionally, the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
Optionally, whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
Optionally, the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
A transceiver 610 for receiving and transmitting data under the control of the processor 600.
Wherein in fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 600, and various circuits of memory, represented by memory 620, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 610 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. For different user devices, the user interface 630 may also be an interface capable of interfacing with a desired device externally, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 may store data used by the processor 600 in performing operations.
Alternatively, the processor 600 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a CPLD (Complex Programmable Logic Device).
Accordingly, referring to fig. 6, on a network side, for example, a base station side, another information transmission apparatus provided in the embodiment of the present application includes:
a processor 500 for reading the program in the memory 520, performing the following processes:
receiving terminal capability information reported by a terminal, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and configuring codebook parameters for the terminal based on the terminal capability information.
Optionally, the capability information includes one or a combination of the following information:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
Optionally, the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
Optionally, whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
Optionally, the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
A transceiver 510 for receiving and transmitting data under the control of the processor 500.
Where in fig. 6, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 500 and memory represented by memory 520. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 510 may be a number of elements, including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.
The processor 500 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or a Complex Programmable Logic Device (CPLD).
It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The embodiment of the present application provides a computing device, which may specifically be a desktop computer, a portable computer, a smart phone, a tablet computer, a Personal Digital Assistant (PDA), and the like. The computing device may include a Central Processing Unit (CPU), memory, input/output devices, etc., the input devices may include a keyboard, mouse, touch screen, etc., and the output devices may include a Display device, such as a Liquid Crystal Display (LCD), a Cathode Ray Tube (CRT), etc.
The memory may include Read Only Memory (ROM) and Random Access Memory (RAM), and provides the processor with program instructions and data stored in the memory. In the embodiments of the present application, the memory may be used for storing a program of any one of the methods provided by the embodiments of the present application.
The processor is used for executing any one of the methods provided by the embodiment of the application according to the obtained program instructions by calling the program instructions stored in the memory.
Embodiments of the present application provide a computer storage medium for storing computer program instructions for an apparatus provided in the embodiments of the present application, which includes a program for executing any one of the methods provided in the embodiments of the present application.
The computer storage media may be any available media or data storage device that can be accessed by a computer, including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), Solid State Disks (SSDs)), etc.
The method provided by the embodiment of the application can be applied to terminal equipment and also can be applied to network equipment.
The Terminal device may also be referred to as a User Equipment (User Equipment, abbreviated as "UE"), a Mobile Station (Mobile Station, abbreviated as "MS"), a Mobile Terminal (Mobile Terminal), or the like, and optionally, the Terminal may have a capability of communicating with one or more core networks through a Radio Access Network (RAN), for example, the Terminal may be a Mobile phone (or referred to as a "cellular" phone), a computer with Mobile property, or the like, and for example, the Terminal may also be a portable, pocket, hand-held, computer-built-in, or vehicle-mounted Mobile device.
A network device may be a base station (e.g., access point) that refers to a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminals. The base station may be configured to interconvert received air frames and IP packets as a router between the wireless terminal and the rest of the access network, which may include an Internet Protocol (IP) network. The base station may also coordinate management of attributes for the air interface. For example, the Base Station may be a Base Transceiver Station (BTS) in GSM or CDMA, a Base Station (NodeB) in WCDMA, an evolved Node B (NodeB or eNB or e-NodeB) in LTE, or a gNB in 5G system. The embodiments of the present application are not limited.
The above method process flow may be implemented by a software program, which may be stored in a storage medium, and when the stored software program is called, the above method steps are performed.
To sum up, according to the technical solution provided in this embodiment, the terminal reports the maximum number of space basis vectors that the terminal can support and that are greater than the first threshold. Moreover, the UE capability can be accurately represented, and certain signaling overhead is ensured.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (23)
1. An information transmission method, comprising:
determining terminal capability information, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and sending the terminal capability information to a network side.
2. The method of claim 1, wherein the capability information comprises one or a combination of the following:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
3. The method of claim 2, wherein the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
4. The method according to claim 2, wherein whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
5. The method according to any one of claims 1 to 4, wherein the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
6. An information transmission method, comprising:
receiving terminal capability information reported by a terminal, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and configuring codebook parameters for the terminal based on the terminal capability information.
7. The method of claim 6, wherein the capability information comprises one or a combination of the following:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
8. The method of claim 7, wherein the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
9. The method according to claim 7, wherein whether the terminal supports codebook parameter configuration predefined by the system specifically includes:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
10. The method according to any one of claims 6 to 9, wherein the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
11. An information transmission apparatus, characterized in that the apparatus comprises:
a determining unit, configured to determine terminal capability information, where the terminal capability information is used to indicate a support situation of the terminal with respect to codebook parameter configuration of a Type-two Type II codebook;
and the sending unit is used for sending the terminal capability information to a network side.
12. An information transmission apparatus, characterized in that the apparatus comprises:
the terminal comprises a receiving unit and a processing unit, wherein the receiving unit is used for receiving terminal capability information reported by a terminal, and the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and the configuration unit is used for configuring codebook parameters for the terminal based on the terminal capability information.
13. An information transmission apparatus, comprising:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
determining terminal capability information, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and sending the terminal capability information to a network side.
14. The apparatus of claim 13, wherein the capability information comprises one or a combination of the following:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
15. The apparatus of claim 14, wherein the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
16. The apparatus of claim 14, wherein whether the terminal supports system-predefined codebook parameter configuration specifically comprises:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
17. The apparatus according to any one of claims 13 to 16, wherein the codebook parameters include one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
18. An information transmission apparatus, characterized in that the apparatus comprises:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
receiving terminal capability information reported by a terminal, wherein the terminal capability information is used for indicating the support condition of the terminal about codebook parameter configuration of a Type II codebook;
and configuring codebook parameters for the terminal based on the terminal capability information.
19. The apparatus of claim 18, wherein the capability information comprises one or a combination of the following:
the maximum value of the codebook parameter that the terminal can support;
the maximum value of the codebook parameter product which can be supported by the terminal;
whether the terminal supports the configuration of codebook parameters predefined by the system;
the terminal may support codebook parameter configuration.
20. The apparatus of claim 19, wherein the maximum value of the codebook parameter that the terminal can support specifically includes:
and under the condition that the value of the first codebook parameter is greater than a preset first threshold, the terminal can support the maximum value of the codebook parameter.
21. The apparatus of claim 19, wherein whether the terminal supports system-predefined codebook parameter configuration specifically comprises:
and under the condition that the system predefines a second codebook parameter value, whether the terminal supports the configuration of the codebook parameter predefined by the system or not is judged.
22. The apparatus of any one of claims 18 to 21, wherein the codebook parameters comprise one or a combination of the following parameters:
the number of space domain basis vectors;
the sub-band precoding matrix indicates the number of PMIs;
frequency domain resolution of PMI.
23. A computer storage medium having stored thereon computer-executable instructions for causing a computer to perform the method of any one of claims 1 to 10.
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| CN201911087151.4A CN112788590A (en) | 2019-11-08 | 2019-11-08 | Information transmission method and device |
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Application publication date: 20210511 |