CN114257362A - Resource indication method and related device - Google Patents

Resource indication method and related device Download PDF

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Publication number
CN114257362A
CN114257362A CN202011025816.1A CN202011025816A CN114257362A CN 114257362 A CN114257362 A CN 114257362A CN 202011025816 A CN202011025816 A CN 202011025816A CN 114257362 A CN114257362 A CN 114257362A
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indication information
groups
value
subcarriers
ceil
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CN114257362B (en
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周欢
王化磊
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

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Abstract

The embodiment of the application provides a resource indication method and a related device, wherein the method comprises the following steps: receiving downlink reference indication information; and acquiring the position information of the wireless frame time-frequency resource indication information according to the reference indication information, so that the system overhead when the resource position in the wireless frame is indicated can be reduced.

Description

Resource indication method and related device
Technical Field
The present application relates to the field of communications technologies, and in particular, to a resource indication method and a related apparatus.
Background
In short-distance communication, the existing second-class data transmission overhead resource indication information is sent by using the common resource of the control information, the indication method can indicate the system overhead and the unavailable resource position, and the system overhead is larger when the resource position in each wireless frame is indicated.
Disclosure of Invention
The embodiment of the application provides a resource indicating method and a related device, which can reduce the system overhead when indicating the resource position in a radio frame.
A first aspect of an embodiment of the present application provides a resource indication method, where the method includes:
receiving downlink reference indication information;
and acquiring the position information of the wireless frame time-frequency resource indication information according to the reference indication information.
With reference to the first aspect, in a possible implementation manner, a configuration period of the radio frame is a superframe or a half superframe, where the superframe or the half superframe includes X groups, and the downlink reference indication information includes position indication information of X bits;
the first X1 bits of the position indication information are used for indicating that the number of radio frames in the first X1 group is a first number, and the last X2 bits of the position indication information are used for indicating that the number of radio frames in the last X2 group is a second number.
With reference to the first aspect, in a possible implementation manner, a configuration period of the radio frames is a superframe or a half superframe, the downlink reference indication information includes M groups, each of the first M1 groups of the M groups includes K1 radio frames, and each of the last M2 groups of the M groups includes K2 radio frames.
With reference to the first aspect, in one possible implementation manner, the downlink reference indication information includes N1 bits;
the value of M1 is M-TCI+ceil(TCI，M)*M；
The value of m2 is TCI-ceil(TCI，M)*M；
The value of K1 is ceil (T)CI,M)；
The value of K2 is floor (T)CIM), where TCIIs the number of radio frames in the time domain region except for the T symbol and the overhead symbol.
With reference to the first aspect, in a possible implementation manner, the downlink reference indication information is further used for a frequency domain subcarrier of the radio frame, where the frequency domain subcarrier corresponds to the radio frame;
the reference indication information includes Z groups of subcarriers, each of front Z1 groups of the Z groups of subcarriers includes K3 subcarriers, and each of rear Z2 groups of the Z groups of subcarriers includes K4 subcarriers.
With reference to the first aspect, in one possible implementation manner, the downlink reference indication information includes N2 bits;
the value of z1 is N2-BCI+ceil(BCI，Z)*Z；
The value of z2 is BCI-ceil(BCI，Z)*Z；
The value of K3 is ceil (B)CI,Z)；
The value of K4 is floor (B)CIZ) in which BCIThe number of subcarriers contained in the frequency domain;
the value of N2 is N1/M.
A second aspect of the embodiments of the present application provides a resource indication apparatus, including:
a receiving unit, configured to receive downlink reference indication information;
and the acquisition unit is used for acquiring the position information of the wireless frame time-frequency resource indication information according to the reference indication information.
With reference to the second aspect, in a possible implementation manner, a configuration period of the radio frame is a superframe or a semi-superframe, where the superframe or the semi-superframe includes X groups, and the downlink reference indication information includes position indication information of X bits;
the first X1 bits of the position indication information are used for indicating that the number of radio frames in the first X1 group is a first number, and the last X2 bits of the position indication information are used for indicating that the number of radio frames in the last X2 group is a second number.
With reference to the second aspect, in a possible implementation manner, the radio frame configuration period is a superframe or a half superframe, the downlink reference indication information includes M groups, each of the first M1 groups of the M groups includes K1 radio frames, and each of the last M2 groups of the M groups includes K2 radio frames.
With reference to the second aspect, in one possible implementation manner, the downlink reference indication information includes N1 bits;
the value of M1 is M-TCI+ceil(TCI，M)*M；
The value of m2 is TCI-ceil(TCI，M)*M；
The value of K1 is ceil (T)CI,M)；
The value of K2 is floor(TCIM), where TCIIs the number of radio frames in the time domain region except for the T symbol and the overhead symbol.
With reference to the second aspect, in a possible implementation manner, the downlink reference indication information is further used for a frequency domain subcarrier of the radio frame, where the frequency domain subcarrier corresponds to the radio frame;
the reference indication information includes Z groups of subcarriers, each of front Z1 groups of the Z groups of subcarriers includes K3 subcarriers, and each of rear Z2 groups of the Z groups of subcarriers includes K4 subcarriers.
With reference to the second aspect, in one possible implementation manner, the downlink reference indication information includes N2 bits;
the value of z1 is N2-BCI+ceil(BCI，Z)*Z；
The value of z2 is BCI-ceil(BCI，Z)*Z；
The value of K3 is ceil (B)CI,Z)；
The value of K4 is floor (B)CIZ) in which BCIThe number of subcarriers contained in the frequency domain;
the value of N2 is N1/M.
A third aspect of embodiments of the present application provides a terminal, including a processor and a memory, where the processor and the memory are connected to each other, where the memory is used to store a computer program, and the computer program includes program instructions, and the processor is configured to call the program instructions to execute the step instructions in the first aspect of embodiments of the present application.
A fourth aspect of embodiments of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program makes a computer perform part or all of the steps as described in the first aspect of embodiments of the present application.
A fifth aspect of embodiments of the present application provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps as described in the first aspect of embodiments of the present application. The computer program product may be a software installation package.
The embodiment of the application has at least the following beneficial effects:
the method comprises the steps of receiving downlink reference indication information, obtaining position information of radio frame time-frequency resource indication information according to the reference indication information, and obtaining the position information of the radio frame time-frequency resource indication information in the reference indication information, so that the system overhead during resource position indication can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a system for applying a resource indication method according to an embodiment of the present application;
fig. 2 is an interaction diagram of a resource indication method according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a resource indication method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a resource indicating apparatus 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 terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic diagram of a system for applying a resource indication method according to an embodiment of the present application. As shown in fig. 1, the system includes a base station and a terminal, where the base station may send downlink reference indication information to the terminal, and the terminal monitors the downlink reference indication information in a PDCCH (downlink physical channel), and after monitoring the downlink reference indication information, obtains location information of radio frame time-frequency resource indication information according to the reference indication information. The terminal shown in fig. 1 is a mobile phone, but the terminal may also be any other terminal, such as a tablet computer, a wireless device, a smart watch, and the like. Therefore, in this example, the terminal may obtain the location information of the radio frame time-frequency resource indication information by referring to the indication information, so as to reduce the system overhead when indicating the resource location.
Referring to fig. 2, fig. 2 is an interaction diagram of a resource indication method according to an embodiment of the present application. As shown in fig. 2, the resource indication method includes:
s201, the terminal receives downlink reference indication information sent by the base station.
The terminal may receive downlink reference indication information in Downlink Control Information (DCI). When the downlink control information carries the downlink reference indication information, the downlink reference indication information can be carried in a manner of adding an indication bit in the existing DCI, and the downlink reference indication information can also be carried by the new DCI. Of course, the downlink reference indication information may also be carried in other manners, and this is only an exemplary illustration here. The reference indication information may be acquired from the DCI according to a predetermined setting. For example, the acquisition reference indication information is obtained at a predetermined position in the DCI.
S202, the terminal acquires the position information of the wireless frame time frequency resource indication information according to the reference indication information.
The terminal may obtain information carried by a newly added bit in the DCI to obtain the location information, or may obtain the location information from the reference indication information in the obtained new DCI, where the location information may be understood as location information of radio frame time-frequency resource indication information in a radio frame or a frequency domain subcarrier, and specifically may be a bit in a radio frame, or the like. The radio frame time-frequency resource indication information is used for indicating the position of transmission data in a radio frame.
In a possible embodiment, the configuration period of the radio frame is a superframe or a semi-superframe, the superframe or the semi-superframe includes X groups, and the downlink reference indication information includes X bits of position indication information;
the first X1 bits of the position indication information are used for indicating that the number of radio frames in the first X1 group is a first number, and the last X2 bits of the position indication information are used for indicating that the number of radio frames in the last X2 group is a second number.
48 radio frames are included in one superframe and 24 radio frames are included in a half superframe. The superframe or the semi-superframe may be divided into X groups, and the number of radio frames between different groups in the X groups may be the same or different. The wireless frame indicated by the indication information is the position of the data frame in the superframe.
The first number is different from the second number, and the first number may be an integer smaller than the second number in general.
The first X1 bits of the position indication information may be understood as the first X1 bits of the position indicated by the position indication information, and the last X2 bits of the position indication information may be understood as the X2 bits after the position of the first X1 bits of the position indicated by the position indication information.
The first number (P1) and the second number (P2) may be determined by:
P1＝ceil(C,X)，X1＝mod(C,X)；
P2＝floor(C,X)；
where C is the number of radio frames included in the overhead period, which may be generally 24 or 48, X is the number of bits of the position indicated by the bit position information, ceil () is a rounding-down operation, floor () is a rounding-up operation, and mod () is a modulo operation.
The method in the above embodiment may be applied to a mode of adding an indication bit in the existing DCI to carry the downlink reference indication information.
In a possible implementation manner, the radio frame configuration period is a superframe or a half superframe, the downlink reference indication information includes M groups, each of the first M1 groups of the M groups includes K1 radio frames, and each of the last M2 groups of the M groups includes K2 radio frames.
Wherein m1, m2, K1 and K2 can be defined by referring to the definitions in the foregoing examples.
In one possible implementation, the downlink reference indication information includes N1 bits;
the above m1, m2, K1 and K2 can be determined by the method shown in the following formula:
m1＝M-TCI+ceil(TCI，M)*M；
m2＝TCI-ceil(TCI，M)*M；
K1＝ceil(TCI,M)；
K2＝floor(TCIm), where TCIFor dividing in the time domainThe number of radio frames outside the T symbol and overhead symbol is counted, ceil () is a round-down operation, floor () is a round-up operation.
In a possible implementation manner, the downlink reference indication information is also used for a frequency domain subcarrier of the radio frame, where the frequency domain subcarrier corresponds to the radio frame;
the reference indication information includes Z groups of subcarriers, each of front Z1 groups of the Z groups of subcarriers includes K3 subcarriers, and each of rear Z2 groups of the Z groups of subcarriers includes K4 subcarriers.
The value of K3 may be a value greater than K4.
In one possible implementation manner, the downlink reference indication information includes N2 bits, the value of N2 is N1/M,
z1, z2, K3 and K4 can be obtained by the method shown in the following formula:
z1＝N2-BCI+ceil(BCI，Z)*Z；
z2＝BCI-ceil(BCI，Z)*Z；
K3＝ceil(BCI,Z)；
K4＝floor(BCIz) in which BCIThe number of subcarriers included in the frequency domain. B isCIThe number of subcarriers included in the frequency domain is a fixed value, which is usually set by the system.
In one possible implementation, the indication information may specifically indicate the radio frame or the subcarrier by:
configuration X10 bits, BCI39, as shown in the following figure: t isCI8 × 48 symbols, 48 radio frames, for 1 superframe. If the configuration M is 5, i.e. the superframe is divided into 5 parts, the first 2 groups contain 9 radio frames and the other 3 groups contain 10 radio frames. At this time NBI2. The first 1 group contains 19 subcarriers and the last 1 group contains 20 subcarriers. The above embodiments may be applied to a method for using a new DCI to carry downlink reference indication information.
Of course, the above method may also be used in the uplink indication information, and the specific indication manner of the uplink indication information may refer to the method indicated by the downlink indication information in the foregoing embodiment, which is not described herein again.
Referring to fig. 3, fig. 3 is a flowchart illustrating a resource indication method according to an embodiment of the present disclosure.
S301, receiving downlink reference indication information;
the configuration period of the wireless frame is a superframe or a semi-superframe, the superframe or the semi-superframe comprises X groups, and the downlink reference indication information comprises position indication information of X bits;
s302, according to the reference indication information, position information of radio frame time-frequency resource indication information is obtained, wherein the first X1 bits of the position indication information are used for indicating that the number of radio frames in the first X1 group is a first number, and the last X2 bits of the position indication information are used for indicating that the number of radio frames in the last X2 group is a second number.
In this example, the number of radio frames may be indicated by bits of the position indicated by the position information, and the system overhead may be reduced.
In accordance with the foregoing embodiments, please refer to fig. 4, fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present application, and as shown in the drawing, the terminal includes a processor and a memory, and the processor and the memory are connected to each other, where the memory is used for storing a computer program, the computer program includes program instructions, the processor is configured to call the program instructions, and the program includes instructions for executing the following steps;
receiving downlink reference indication information;
and acquiring the position information of the wireless frame time-frequency resource indication information according to the reference indication information.
The above description has introduced the solution of the embodiment of the present application mainly from the perspective of the method-side implementation process. It is understood that the terminal includes corresponding hardware structures and/or software modules for performing the respective functions in order to implement the above-described functions. Those of skill in the art will readily appreciate that the present application is capable of hardware or a combination of hardware and computer software implementing the various illustrative elements and algorithm steps described in connection with the embodiments provided herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiment of the present application, the terminal may be divided into the functional units according to the above method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing 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. 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 accordance with the above, please refer to fig. 5, and fig. 5 is a schematic structural diagram of a resource indicating apparatus according to an embodiment of the present application. As shown in fig. 5, the apparatus includes:
a receiving unit 501, configured to receive downlink reference indication information;
an obtaining unit 502, configured to obtain, according to the reference indication information, location information of radio frame time-frequency resource indication information.
In a possible implementation manner, a configuration period of the radio frame is a superframe or a semi-superframe, where the superframe or the semi-superframe includes X groups, and the downlink reference indication information includes position indication information of X bits;
the first X1 bits of the position indication information are used for indicating that the number of radio frames in the first X1 group is a first number, and the last X2 bits of the position indication information are used for indicating that the number of radio frames in the last X2 group is a second number.
In a possible implementation manner, the radio frame configuration period is a superframe or a half superframe, the downlink reference indication information includes M groups, each of the first M1 groups of the M groups includes K1 radio frames, and each of the last M2 groups of the M groups includes K2 radio frames.
In one possible implementation, the downlink reference indication information includes N1 bits;
the value of M1 is M-TCI+ceil(TCI，M)*M；
The value of m2 is TCI-ceil(TCI，M)*M；
The value of K1 is ceil (T)CI,M)；
The value of K2 is floor (T)CIM), where TCIIs the number of radio frames in the time domain region except for the T symbol and the overhead symbol.
In a possible implementation manner, the downlink reference indication information is also used for a frequency domain subcarrier of the radio frame, where the frequency domain subcarrier corresponds to the radio frame;
the reference indication information includes Z groups of subcarriers, each of front Z1 groups of the Z groups of subcarriers includes K3 subcarriers, and each of rear Z2 groups of the Z groups of subcarriers includes K4 subcarriers.
In one possible implementation, the downlink reference indication information includes N2 bits;
the value of z1 is N2-BCI+ceil(BCI，Z)*Z；
The value of z2 is BCI-ceil(BCI，Z)*Z；
The value of K3 is ceil (B)CI,Z)；
The value of K4 is floor (B)CIZ) in which BCIThe number of subcarriers contained in the frequency domain;
the value of N2 is N1/M.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the resource indication methods as described in the above method embodiments.
Embodiments of the present application also provide a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program causes a computer to execute part or all of the steps of any one of the resource indication methods as described in the above method embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention 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 may be implemented in the form of hardware, or may be implemented in the form of a software program module.
The integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned memory comprises: various media capable of storing program codes, such as a usb disk, a read-only memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and the like.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash memory disks, read-only memory, random access memory, magnetic or optical disks, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (14)

1. A method for resource indication, the method comprising:
receiving downlink reference indication information;
and acquiring the position information of the wireless frame time-frequency resource indication information according to the reference indication information.
2. The method of claim 1, wherein a configuration period of the radio frame is a superframe or a semi-superframe, the superframe or the semi-superframe comprises X groups, and the downlink reference indication information comprises X bits of location indication information;
the first X1 bits of the position indication information are used for indicating that the number of radio frames in the first X1 group is a first number, and the last X2 bits of the position indication information are used for indicating that the number of radio frames in the last X2 group is a second number.
3. The method of claim 1, wherein the radio frames are configured in a super-frame or semi-super-frame configuration period, wherein the DCI information comprises M groups, wherein each of the first M1 groups of the M groups comprises K1 radio frames, and wherein each of the last M2 groups of the M groups comprises K2 radio frames.
4. The method of claim 3, wherein the downlink reference indication information comprises N1 bits;
the value of M1 is M-TCI+ceil(TCI，M)*M；
The value of m2 is TCI-ceil(TCI，M)*M；
The value of K1 is ceil (T)CI,M)；
The value of K2 is floor (T)CIM), where TCIIs the number of radio frames in the time domain region except for the T symbol and the overhead symbol.
5. The method of claim 3 or 4, wherein the downlink reference indication information is also used for frequency domain subcarriers of the radio frame, and the frequency domain subcarriers correspond to the radio frame;
the reference indication information includes Z groups of subcarriers, each of front Z1 groups of the Z groups of subcarriers includes K3 subcarriers, and each of rear Z2 groups of the Z groups of subcarriers includes K4 subcarriers.
6. The method of claim 5, wherein the downlink reference indication information comprises N2 bits;
the value of z1 is N2-BCI+ceil(BCI，Z)*Z；
The value of z2 is BCI-ceil(BCI，Z)*Z；
The value of K3 is ceil (B)CI,Z)；
The value of K4 is floor (B)CIZ) in which BCIThe number of subcarriers contained in the frequency domain;
the value of N2 is N1/M.
7. An apparatus for resource indication, the apparatus comprising:
a receiving unit, configured to receive downlink reference indication information;
and the acquisition unit is used for acquiring the position information of the wireless frame time-frequency resource indication information according to the reference indication information.
8. The apparatus of claim 7, wherein a configuration period of the radio frame is a superframe or a semi-superframe, the superframe or the semi-superframe comprises X groups, and the downlink reference indication information comprises X bits of location indication information;
the first X1 bits of the position indication information are used for indicating that the number of radio frames in the first X1 group is a first number, and the last X2 bits of the position indication information are used for indicating that the number of radio frames in the last X2 group is a second number.
9. The apparatus of claim 7, wherein the radio frames are configured in a super-frame or semi-super-frame configuration period, wherein the DCI information comprises M groups, wherein each of the first M1 groups of the M groups comprises K1 radio frames, and wherein each of the last M2 groups of the M groups comprises K2 radio frames.
10. The apparatus of claim 9, wherein the downlink reference indication information comprises N1 bits;
the value of M1 is M-TCI+ceil(TCI，M)*M；
The value of m2 is TCI-ceil(TCI，M)*M；
The value of K1 is ceil (T)CI,M)；
The value of K2 is floor (T)CIM), where TCIIs the number of radio frames in the time domain region except for the T symbol and the overhead symbol.
11. The apparatus according to claim 9 or 10, wherein the downlink reference indication information is also used for frequency domain subcarriers of the radio frame, the frequency domain subcarriers corresponding to the radio frame;
the reference indication information includes Z groups of subcarriers, each of front Z1 groups of the Z groups of subcarriers includes K3 subcarriers, and each of rear Z2 groups of the Z groups of subcarriers includes K4 subcarriers.
12. The apparatus of claim 11, wherein the downlink reference indication information comprises N2 bits;
the value of z1 is N2-BCI+ceil(BCI，Z)*Z；
The value of z2 is BCI-ceil(BCI，Z)*Z；
The value of K3 is ceil (B)CI,Z)；
The value of K4 is floor (B)CIZ) in which BCIThe number of subcarriers contained in the frequency domain;
the value of N2 is N1/M.
13. A terminal, characterized in that it comprises a processor and a memory, said processor and memory being interconnected, wherein said memory is adapted to store a computer program comprising program instructions, said processor being configured to invoke said program instructions to perform the method according to any one of claims 1-6.
14. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program comprising program instructions that, when executed by a processor, cause the processor to carry out the method according to any one of claims 1-6.
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CN107027184A (en) * 2016-02-02 2017-08-08 电信科学技术研究院 A kind of downlink control information transmission method and device
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