CN112533289B - Uplink control information transmission method, terminal, electronic equipment and storage medium - Google Patents

Uplink control information transmission method, terminal, electronic equipment and storage medium Download PDF

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Publication number
CN112533289B
CN112533289B CN201910876002.XA CN201910876002A CN112533289B CN 112533289 B CN112533289 B CN 112533289B CN 201910876002 A CN201910876002 A CN 201910876002A CN 112533289 B CN112533289 B CN 112533289B
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pucch
pusch
control information
radio frame
pucch format
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CN112533289A (en
Inventor
关鹃
龚秋莎
冯绍鹏
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Potevio Information Technology Co Ltd
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Potevio Information Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides an uplink control information transmission method, a terminal, electronic equipment and a storage medium, wherein the method comprises the following steps: based on a PUCCH indication field in downlink control information, selecting a PUCCH format corresponding to the PUCCH indication field from a plurality of candidate PUCCH formats; and transmitting uplink control information carried by the PUCCH based on the corresponding PUCCH format. According to the method, the terminal, the electronic equipment and the storage medium provided by the embodiment of the invention, the PUCCH format is determined through the PUCCH indication field carried in the downlink control information, namely, the base station directly designates the PUCCH format, the terminal does not need to select the PUCCH format depending on the PDSCH or PUSCH state, the problem of excessively strong coupling between channels is solved while the high resource utilization efficiency is maintained, and the channel quality is effectively improved.

Description

Uplink control information transmission method, terminal, electronic equipment and storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an uplink control information transmission method, a terminal, an electronic device, and a storage medium.
Background
Long term evolution (Long Term Evolution, LTE) provides high-speed data transmission services to users as a main stream technology of 4G. In an LTE application scenario, for example, in a power private network system, a PUCCH (Physical Uplink Control Channel ) carries feedback of downlink traffic.
In the LTE application scenario, multiple formats are preset for the PUCCH, and different formats can be selected in different channel environments, so as to improve the resource utilization efficiency. When there is no Uplink traffic, the PUCCH format is determined based on the number of repetitions of PDSCH (Physical Downlink SHARED CHANNEL ), and when there is Uplink traffic, the PUCCH format is determined based on the number of repetitions of PUSCH (Physical Uplink SHARED CHANNEL). The selection of PUCCH formats is entirely dependent on the remaining channels, resulting in too strong coupling between channels, affecting channel quality.
Disclosure of Invention
The embodiment of the invention provides an uplink control information transmission method, a terminal, electronic equipment and a storage medium, which are used for solving the problem that the coupling between channels is too strong caused by the existing PUCCH format selection method.
In a first aspect, an embodiment of the present invention provides a method for transmitting uplink control information, including:
Based on a PUCCH indication field in downlink control information, selecting a PUCCH format corresponding to the PUCCH indication field from a plurality of candidate PUCCH formats;
And transmitting uplink control information carried by the PUCCH based on the corresponding PUCCH format.
Preferably, the plurality of candidate PUCCH formats includes a first PUCCH format and/or a second PUCCH format;
wherein, the first PUCCH format is:
In one radio frame, the PUCCH occupies a first predetermined number of symbols for uplink transmission in the radio frame;
The second PUCCH format is:
in one radio frame, the PUCCH occupies a second, subsequent preset number of symbols in the radio frame for uplink transmission.
Preferably, the sum of the first preset number and the second preset number is less than or equal to the total number of symbols for uplink transmission in the radio frame.
Preferably, the plurality of candidate PUCCH formats includes a third PUCCH format, the third PUCCH format being:
In one radio frame, the PUCCH occupies all symbols in the radio frame for uplink transmission.
Preferably, the plurality of candidate PUCCH formats includes a fourth PUCCH format, the fourth PUCCH format being:
In two consecutive radio frames, the PUCCH occupies all symbols for uplink transmission in the two consecutive radio frames.
Preferably, the radio frame is composed of 5 subframes, which are sequentially two downlink subframes, one special subframe and two uplink subframes.
Preferably, the method further comprises:
selecting a PUSCH occupation condition corresponding to the Bitmap from a plurality of candidate PUSCH occupation conditions based on a PUSCH indication field Bitmap in the downlink control information;
Based on the corresponding PUSCH occupation condition, transmitting uplink data carried by the PUSCH;
wherein the candidate PUSCH occupation condition includes at least one of a first PUSCH occupation condition, a second PUSCH occupation condition, and a third PUSCH occupation condition;
The first PUSCH occupation condition is: in one radio frame, a PUSCH occupies all symbols used for uplink transmission in the radio frame;
the second PUSCH occupation condition is: in one radio frame, the PUSCH occupies the UpPTS domain and the first uplink subframe;
The third PUSCH occupation condition is: in one radio frame, PUSCH occupies a second uplink subframe.
In a second aspect, an embodiment of the present invention provides a terminal, including:
A PUCCH format determining unit, configured to select, based on a PUCCH indication field in the downlink control information, a PUCCH format corresponding to the PUCCH indication field from a plurality of candidate PUCCH formats;
And the uplink control information sending unit is used for transmitting uplink control information carried by the PUCCH based on the corresponding PUCCH format.
In a third aspect, an embodiment of the present invention provides an electronic device, including a processor, a communication interface, a memory, and a bus, where the processor, the communication interface, and the memory are in communication with each other through the bus, and the processor may invoke logic instructions in the memory to perform the steps of the method as provided in the first aspect.
In a fourth aspect, embodiments of the present invention provide a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method as provided by the first aspect.
According to the uplink control information transmission method, the terminal, the electronic equipment and the storage medium, the PUCCH format is determined through the PUCCH indication field carried in the downlink control information, namely, the base station directly appoints the PUCCH format, the terminal does not need to select the PUCCH format depending on the PDSCH or PUSCH state, the problem of strong coupling between channels is solved while high resource utilization efficiency is maintained, and the channel quality is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of an uplink control information transmission method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a radio frame structure according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a radio frame structure in a multi-subband scenario according to an embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a flow chart of an uplink control information transmission method according to an embodiment of the present invention, as shown in fig. 1, where the method includes:
Step 110, selecting a PUCCH format corresponding to the PUCCH indication field from the plurality of candidate PUCCH formats based on the PUCCH indication field in the downlink control information.
Specifically, DCI (Downlink Control Information) is downlink control information carried by PDCCH (Physical Downlink Control Channel ), and the base station sends downlink control information to the terminal, for indicating uplink and downlink resource allocation, HARQ (Hybrid Automatic Repeat reQuest ) information, power control, and the like.
And the PUCCH indication field carried in the downlink control information is used for indicating the terminal to carry out corresponding PUCCH format configuration. On the terminal side, a plurality of candidate PUCCH formats are preset. The PUCCH indication fields are in one-to-one correspondence with PUCCH formats, and different PUCCH indication fields are used to indicate different PUCCH formats. After the downlink control information is obtained, a PUCCH indication field may be obtained from the downlink control information, so as to determine a PUCCH format corresponding to the PUCCH indication field.
Step 120, based on the corresponding PUCCH format, transmitting uplink control information carried by the PUCCH.
Specifically, after the PUCCH format corresponding to the PUCCH indication field is obtained, uplink control information carried by the PUCCH may be transmitted based on the PUCCH format, so as to implement transmission of the uplink control information. Here, the uplink control information (Uplink Control Information, UCI) may include ACK (acknowledgement character)/NACK (Negative Acknowledge, negative acknowledgement character), CQI (Channel Quality Indicator, channel quality indication), and the like.
According to the method provided by the embodiment of the invention, the PUCCH format is determined through the PUCCH indication field carried in the downlink control information, namely, the PUCCH format is directly appointed by the base station, the terminal does not need to select the PUCCH format depending on the PDSCH or PUSCH state, the problem of strong coupling between channels is solved while high resource utilization efficiency is maintained, and the channel quality is effectively improved.
Based on the above embodiment, in the method, the plurality of candidate PUCCH formats includes a first PUCCH format and/or a second PUCCH format; wherein, the first PUCCH format is: in one radio frame, the PUCCH occupies a first predetermined number of symbols for uplink transmission in the radio frame; the second PUCCH format is: in one radio frame, the PUCCH occupies a second, subsequent preset number of symbols in the radio frame for uplink transmission.
Specifically, the radio frame includes a downlink subframe, a special subframe and an uplink subframe, where the special subframe is disposed between the downlink subframe and the uplink subframe, and the number of downlink subframes and the number of uplink subframes in the radio frame are not specifically limited in the embodiment of the present invention. The special subframe comprises a downlink pilot time slot DwPTS, a guard interval GP and an uplink pilot time slot UpPTS, wherein GP is arranged between the DwPTS and the UpPTS, the UpPTS is an uplink subframe, and each symbol in the UpPTS and the uplink subframe in the radio frame can be used for uplink transmission, namely, the total number of symbols available for uplink transmission in the radio frame is the sum of the number of symbols of the UpPTS and the number of symbols of the uplink subframe.
The first preset number is the number of symbols occupied by the PUCCH in one radio frame in a preset first PUCCH format, and is smaller than the total number of symbols available for uplink transmission in the radio frame. In the first PUCCH format, PUCCH occupies a first preset number of symbols in a radio frame, and the symbol occupied by PUCCH uses the first symbol of UpPTS in a special subframe of the radio frame as a starting symbol.
The second preset number is the number of symbols occupied by the PUCCH in one radio frame in the preset second PUCCH format, and is smaller than the total number of symbols available for uplink transmission in the radio frame. In the second PUCCH format, PUCCH occupies a second preset number of symbols in one radio frame, and the symbol occupied by PUCCH is a symbol available for uplink transmission at the end of the radio frame, i.e. the symbol occupied by PUCCH is disposed at the end of the radio frame.
Based on any of the above embodiments, in the method, a sum of the first preset number and the second preset number is less than or equal to a total number of symbols for uplink transmission in the radio frame.
Specifically, when the first PUCCH format and the second PUCCH format coexist in one radio frame, in order to avoid overlapping of the symbols occupied by the first PUCCH format and the symbols occupied by the second PUCCH format, it is required to ensure that the sum of the first preset number and the second preset number is less than or equal to the total number of symbols for uplink transmission in the radio frame, so that feedback of PDSCH of two processes is implemented in one radio frame, and uplink resources are effectively saved through time division multiplexing.
Based on any of the foregoing embodiments, in the method, the plurality of candidate PUCCH formats includes a third PUCCH format, where the third PUCCH format is: in one radio frame, the PUCCH occupies all symbols in the radio frame for uplink transmission.
Specifically, in the third PUCCH format, PUCCH occupies each symbol in UpPTS and each symbol in each uplink subframe in one radio frame.
Based on any of the foregoing embodiments, in the method, the plurality of candidate PUCCH formats includes a fourth PUCCH format, where the fourth PUCCH format is: in two consecutive radio frames, the PUCCH occupies all symbols for uplink transmission in the two consecutive radio frames. Specifically, in the fourth PUCCH format, PUCCH occupies each symbol in UpPTS and each symbol in each uplink subframe in two consecutive radio frames.
Based on any of the above embodiments, fig. 2 is a schematic diagram of a radio frame structure provided by the embodiment of the present invention, as shown in fig. 2, the radio frame is composed of 5 subframes, wherein the subframe identified as D is a downlink subframe, the subframe identified as U is an uplink subframe, the subframe between the downlink subframe and the uplink subframe is a special subframe, and the special subframe includes a downlink pilot time slot DwPTS, a guard interval GP, and an uplink pilot time slot UpPTS. As can be seen from fig. 2, the radio frame is sequentially provided with two downlink subframes, a special subframe and two uplink subframes, and the ratio of uplink to downlink time slots is 2:2. In addition, each subframe corresponds to 9 symbols, which are sequentially marked as symbol 0 to symbol 8, and in the special subframe, symbols corresponding to UpPTS are marked as symbol 5 to symbol 8.
Based on the radio frame result shown in fig. 2, it is assumed that the first preset number M is 13 and the second preset number N is 9. In the first PUCCH format, PUCCH occupies UpPTS of one radio frame and all symbols in the first uplink subframe. In the second PUCCH format, PUCCH occupies all symbols in the second uplink subframe of one radio frame. In the third PUCCH format, PUCCH occupies 22 symbols in total of UpPTS of one radio frame and two uplink subframes. In the fourth PUCCH format, PUCCH occupies 44 symbols in total of UpPTS and uplink subframes of two consecutive radio frames.
When there are four candidate PUCCH formats, the length of the corresponding PUCCH indication field is 2 bits, for example, the PUCCH indication field is 00, 01, 10 and 11, corresponding to the first PUCCH format, the second PUCCH format, the third PUCCH format and the fourth PUCCH format, respectively.
Based on any of the above embodiments, the method further comprises: selecting a PUSCH occupation condition corresponding to the Bitmap from a plurality of candidate PUSCH occupation conditions based on a PUSCH indication field Bitmap in the downlink control information; based on the corresponding PUSCH occupation condition, transmitting uplink data carried by the PUSCH; wherein the candidate PUSCH occupation condition includes at least one of a first PUSCH occupation condition, a second PUSCH occupation condition, and a third PUSCH occupation condition; the first PUSCH occupation condition is: in one radio frame, the PUSCH occupies all symbols used for uplink transmission in the radio frame; the second PUSCH occupation condition is: in one radio frame, the PUSCH occupies the UpPTS domain and the first uplink subframe; the third PUSCH occupation condition is: in one radio frame, PUSCH occupies a second uplink subframe.
Specifically, the downlink control information may further carry a PUSCH indication field Bitmap, which is used to instruct the terminal to perform corresponding PUSCH occupation configuration. On the terminal side, a plurality of candidate PUSCH occupation conditions are preset, the PUSCH indication fields Bitmap are in one-to-one correspondence with the PUSCH occupation conditions, and different PUSCH indication fields Bitmap are used for indicating different PUSCH occupation conditions. After the downlink control information is obtained, a PUSCH indication field Bitmap can be obtained from the downlink control information, so as to determine the PUSCH occupation condition corresponding to the PUSCH indication field Bitmap, and apply the corresponding PUSCH occupation condition to the transmission of uplink data carried by the PUSCH.
Here, the candidate PUSCH occupation situation includes at least one of a first PUSCH occupation situation, a second PUSCH occupation situation, and a third PUSCH occupation situation, where the first PUSCH occupation situation is an occupation situation under a radio frame scheduling manner, and in the first PUSCH occupation situation, the PUSCH occupies symbols all used for uplink transmission in a radio frame; the second PUSCH occupation situation and the third PUSCH occupation situation are both occupation situations under a subframe scheduling mode, when the radio frame is in the structure shown in fig. 2, the PUSCH occupies the UpPTS domain and the first uplink subframe in the second PUSCH occupation situation, and the PUSCH occupies the second uplink subframe in the third PUSCH occupation situation.
Based on any one of the above embodiments, in the method, when the terminal is in a single-band scene, PUCCH and PUSCH are time division multiplexed on different radio frames; when the terminal is in a multi-subband scene, the PUCCH and the PUSCH are frequency division multiplexed on different subbands, the working subband of the PUCCH is determined by the starting subband S of the PDCCH search space, and the working subband of the PUSCH is determined by a first_f field and the number of PUSCH subbands carried in downlink control information.
Based on any of the above embodiments, fig. 3 is a schematic diagram of a radio frame structure in a multi-subband scenario provided by the embodiments of the present invention, and fig. 3 shows radio frame structures on two subbands of the same terminal, namely, a radio frame structure of subband 1 and a radio frame structure of subband 2. Fig. 3 shows two radio frames, frame0 and Frame1, each containing 5 subframes, subframe0 through Subframe4.
In subband 1, PDCCH occupies Subframe0, subframe1 and DwPTS in Subframe2 of Frame0 to carry downlink control information DCI1; PUSCH occupies UpPTS, subframe and Subframe4 in Subframe2 of Frame0 to carry uplink data; in addition, PDCCH also occupies DwPTS in Subframe0, subframe1, and Subframe2 of Frame1 to carry downlink control information DCI2.
In subband 2, PDSCH1 occupies Subframe0 of Frame0, subframe1, and DwPTS in Subframe2 to carry downlink data, here process one; PUSCH occupies UpPTS, subframe and Subframe4 in Subframe2 of Frame0 to carry uplink data; PDSCH2 occupies Subframe0, subframe1, and DwPTS in Subframe2 of Frame1 to carry downlink data, here process two; PUSCH occupies UpPTS, subframe and Subframe4 in Subframe2 of Frame1 to carry uplink data.
Based on the PUCCH indication field in DCI1, determining that the PUCCH format corresponding to DCI1 is the first PUCCH format, i.e. occupies the first preset number of symbols for uplink transmission. Based on the PUCCH indication field in DCI2, determining that the PUCCH format corresponding to DCI2 is a second PUCCH format, i.e. occupies a last second preset number of symbols for uplink transmission. When the first preset number M is 13 and the second preset number N is 9, in the subband 1, PUCCH occupies UpPTS and Subframe3 in Subframe2 of Frame1 to transmit uplink control information of process one fed back for PDSCH1, and PUCCH occupies Subframe4 in Frame1 to transmit uplink control information of process two fed back for PDSCH 2.
According to the method provided by the embodiment of the invention, the feedback of two downlink processes of the same terminal is arranged on the same radio frame, the feedback of two processes in the time domain saves uplink resources through time division multiplexing, and the PUSCH and the PUCCH occupy different frequency bands in the frequency domain, so that the coupling between channels is further reduced.
Based on any one of the above embodiments, fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention, where, as shown in fig. 4, the terminal includes a PUCCH format determining unit 410 and an uplink control information sending unit 420;
The PUCCH format determining unit 410 is configured to select, based on a PUCCH indication field in the downlink control information, a PUCCH format corresponding to the PUCCH indication field from a plurality of candidate PUCCH formats;
The uplink control information sending unit 420 is configured to transmit uplink control information carried by the PUCCH based on the corresponding PUCCH format.
According to the terminal provided by the embodiment of the invention, the PUCCH format is determined through the PUCCH indication field carried in the downlink control information, namely, the base station directly designates the PUCCH format, the terminal does not need to select the PUCCH format depending on the PDSCH or PUSCH state, the problem of strong coupling between channels is solved while high resource utilization efficiency is maintained, and the channel quality is effectively improved.
Based on any one of the above embodiments, in the terminal, the plurality of candidate PUCCH formats includes a first PUCCH format and/or a second PUCCH format;
wherein, the first PUCCH format is:
In one radio frame, the PUCCH occupies a first predetermined number of symbols for uplink transmission in the radio frame;
The second PUCCH format is:
in one radio frame, the PUCCH occupies a second, subsequent preset number of symbols in the radio frame for uplink transmission.
Based on any of the above embodiments, in the terminal, a sum of the first preset number and the second preset number is less than or equal to a total number of symbols for uplink transmission in the radio frame.
Based on any one of the foregoing embodiments, in the terminal, the plurality of candidate PUCCH formats includes a third PUCCH format, where the third PUCCH format is:
In one radio frame, the PUCCH occupies all symbols in the radio frame for uplink transmission.
Based on any one of the foregoing embodiments, in the terminal, the plurality of candidate PUCCH formats includes a fourth PUCCH format, where the fourth PUCCH format is:
In two consecutive radio frames, the PUCCH occupies all symbols for uplink transmission in the two consecutive radio frames.
Based on any one of the above embodiments, in the terminal, the radio frame is composed of 5 subframes, and is sequentially two downlink subframes, one special subframe, and two uplink subframes.
Based on any one of the above embodiments, the terminal further includes:
selecting a PUSCH occupation condition corresponding to the Bitmap from a plurality of candidate PUSCH occupation conditions based on a PUSCH indication field Bitmap in the downlink control information;
Based on the corresponding PUSCH occupation condition, transmitting uplink data carried by the PUSCH;
wherein the candidate PUSCH occupation condition includes at least one of a first PUSCH occupation condition, a second PUSCH occupation condition, and a third PUSCH occupation condition;
The first PUSCH occupation condition is: in one radio frame, a PUSCH occupies all symbols used for uplink transmission in the radio frame;
the second PUSCH occupation condition is: in one radio frame, the PUSCH occupies the UpPTS domain and the first uplink subframe;
The third PUSCH occupation condition is: in one radio frame, PUSCH occupies a second uplink subframe.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, as shown in fig. 5, the electronic device may include: processor 510, communication interface (Communications Interface) 520, memory 530, and communication bus 540, wherein processor 510, communication interface 520, memory 530 complete communication with each other through communication bus 540. Processor 510 may invoke logic instructions in memory 530 to perform the following method: based on a PUCCH indication field in downlink control information, selecting a PUCCH format corresponding to the PUCCH indication field from a plurality of candidate PUCCH formats; and transmitting uplink control information carried by the PUCCH based on the corresponding PUCCH format.
Further, the logic instructions in the memory 530 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Embodiments of the present invention also provide a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the methods provided by the above embodiments, for example, comprising: based on a PUCCH indication field in downlink control information, selecting a PUCCH format corresponding to the PUCCH indication field from a plurality of candidate PUCCH formats; and transmitting uplink control information carried by the PUCCH based on the corresponding PUCCH format.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. An uplink control information transmission method is characterized by comprising the following steps:
Based on a PUCCH indication field in downlink control information, selecting a PUCCH format corresponding to the PUCCH indication field from a plurality of candidate PUCCH formats;
based on the corresponding PUCCH format, transmitting uplink control information carried by the PUCCH;
the plurality of candidate PUCCH formats includes a first PUCCH format and/or a second PUCCH format;
wherein, the first PUCCH format is:
In one radio frame, the PUCCH occupies a first predetermined number of symbols for uplink transmission in the radio frame;
The second PUCCH format is:
in one radio frame, the PUCCH occupies a second, subsequent preset number of symbols for uplink transmission in the radio frame;
and the sum of the first preset number and the second preset number is smaller than or equal to the total number of symbols for uplink transmission in the radio frame.
2. The uplink control information transmission method according to claim 1, wherein the plurality of candidate PUCCH formats includes a third PUCCH format, the third PUCCH format being:
In one radio frame, the PUCCH occupies all symbols in the radio frame for uplink transmission.
3. The uplink control information transmission method according to claim 1, wherein the plurality of candidate PUCCH formats includes a fourth PUCCH format, the fourth PUCCH format being:
In two consecutive radio frames, the PUCCH occupies all symbols for uplink transmission in the two consecutive radio frames.
4. The uplink control information transmission method according to any one of claims 1 to 3, wherein the radio frame is composed of 5 subframes, two downlink subframes, one special subframe, and two uplink subframes in this order.
5. The uplink control information transmission method according to claim 4, further comprising:
selecting a PUSCH occupation condition corresponding to the Bitmap from a plurality of candidate PUSCH occupation conditions based on a PUSCH indication field Bitmap in the downlink control information;
Based on the corresponding PUSCH occupation condition, transmitting uplink data carried by the PUSCH;
wherein the candidate PUSCH occupation condition includes at least one of a first PUSCH occupation condition, a second PUSCH occupation condition, and a third PUSCH occupation condition;
The first PUSCH occupation condition is: in one said radio frame, PUSCH occupies all symbols in said radio frame for uplink transmission;
The second PUSCH occupation condition is: in one radio frame, the PUSCH occupies an UpPTS domain and a first uplink subframe;
The third PUSCH occupation condition is: in one of the radio frames, PUSCH occupies a second of the uplink subframes.
6. A terminal, comprising:
A PUCCH format determining unit, configured to select, based on a PUCCH indication field in the downlink control information, a PUCCH format corresponding to the PUCCH indication field from a plurality of candidate PUCCH formats;
An uplink control information sending unit, configured to transmit uplink control information carried by a PUCCH based on the corresponding PUCCH format;
the plurality of candidate PUCCH formats includes a first PUCCH format and/or a second PUCCH format;
wherein, the first PUCCH format is:
In one radio frame, the PUCCH occupies a first predetermined number of symbols for uplink transmission in the radio frame;
The second PUCCH format is:
in one radio frame, the PUCCH occupies a second, subsequent preset number of symbols for uplink transmission in the radio frame;
and the sum of the first preset number and the second preset number is smaller than or equal to the total number of symbols for uplink transmission in the radio frame.
7. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor performs the steps of the uplink control information transmission method according to any one of claims 1 to 5.
8. A non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor, implements the steps of the uplink control information transmission method according to any one of claims 1 to 5.
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