CN112312546A - Transmission and configuration method of physical uplink control channel, terminal and network equipment - Google Patents

Transmission and configuration method of physical uplink control channel, terminal and network equipment Download PDF

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CN112312546A
CN112312546A CN201910682598.XA CN201910682598A CN112312546A CN 112312546 A CN112312546 A CN 112312546A CN 201910682598 A CN201910682598 A CN 201910682598A CN 112312546 A CN112312546 A CN 112312546A
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code rate
configuration information
value
pucch
candidate
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张轶
夏亮
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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Priority to PCT/CN2020/102342 priority patent/WO2021017854A1/en
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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
    • 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
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

The embodiment of the invention provides a transmission and configuration method of a physical uplink control channel, a terminal and network equipment, wherein the transmission method of the physical uplink control channel comprises the following steps: receiving first configuration information of a Physical Uplink Control Channel (PUCCH) sent by network equipment, wherein the first configuration information comprises a maximum code rate maxCodeRate; determining a frequency domain resource used for transmitting the PUCCH according to the maximum code rate in the first configuration information; transmitting the PUCCH on the determined frequency domain resources. The scheme of the invention can improve the reliability of the PUCCH.

Description

Transmission and configuration method of physical uplink control channel, terminal and network equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for transmitting and configuring a physical uplink control channel, a terminal, and a network device.
Background
Physical Uplink Control Channel (PUCCH) resource determination method: a base station configures 4 physical Uplink Control channel resource sets (PUCCH resource sets) for a User through a high-level signaling, each of the physical Uplink Control channel resource sets includes 32 or 8 resources, and a User Equipment or a terminal (UE) first selects one PUCCH resource set according to a payload size of Uplink Control Information (UCI) to be transmitted on a PUCCH, and then selects one PUCCH resource in the selected PUCCH resource set according to physical layer downlink Control Information.
When a hybrid automatic repeat-acknowledge (HARQ-ACK) or a channel state information report (CSI report) is transmitted on PUCCH format 2 or PUCCH format 3, the determination method of the number of Physical Resource Blocks (PRBs) used is as follows:
selecting the minimum PRB number satisfying maxCodeRate (maximum coding rate or maximum coding rate) of high-layer configuration
Figure BDA0002145198290000011
For PUCCH transmission, i.e. number of PRBs if higher layer configuration is used
Figure BDA0002145198290000012
And the maximum coding rate can not bear the size of the UCI payload to be transmitted, and the UE is in
Figure BDA0002145198290000013
The PUCCH is transmitted on the PRB.
The configuration mode and the selectable value of the maximum coding rate are as follows:
Figure BDA0002145198290000014
Figure BDA0002145198290000021
in order to improve the reliability of an Ultra-Reliable Low Latency Communication (URLLC) data channel, NR designs a new channel quality indication information (CQI)/Modulation and Coding Scheme (MCS) table, where a target block error rate (BLER) is 1e-5, and a lowest code rate may be lower; the lowest configurable coding rate of the PUCCH is 0.08 at present, and reliability of uplink channel transmission cannot be satisfied.
Disclosure of Invention
The invention provides a transmission and configuration method of a physical uplink control channel, a terminal and network equipment, which improve the reliability of a PUCCH.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
a transmission method of a physical uplink control channel is applied to a terminal, and the method comprises the following steps:
receiving first configuration information of a Physical Uplink Control Channel (PUCCH) sent by network equipment, wherein the first configuration information comprises a maximum code rate maxCodeRate;
determining a frequency domain resource used for transmitting the PUCCH according to the maximum code rate in the first configuration information;
transmitting the PUCCH on the determined resources.
Optionally, the first configuration information includes at least one value in a first candidate value set/table, where the first candidate value set/table includes N1 code rates, and the N1 code rates include at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
Optionally, the preset code rate is 0.08.
Optionally, when the first configuration information includes at least one value in the second candidate value set/table and at least one value in the third candidate value set/table, according to the first identifier, the maximum code rate for transmitting the PUCCH is determined. Optionally, the first identifier includes at least one of:
scheduling a downlink control information format of a Physical Downlink Shared Channel (PDSCH);
a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information of a Physical Downlink Shared Channel (PDSCH);
scheduling information carried in downlink control information of a Physical Downlink Shared Channel (PDSCH);
control the configuration information of the resource set CORESET or search space.
Optionally, determining the maximum code rate for transmitting the PUCCH according to the first identifier includes:
and determining a first value or a second value in the first configuration information as the maximum code rate for transmitting the PUCCH according to different first identifiers.
Optionally, determining, according to the maximum code rate in the first configuration information, a frequency domain resource used for transmitting the PUCCH, including:
according to the maximum code rate in the first configuration information, when the number of Physical Resource Blocks (PRBs) used for transmitting the PUCCH is determined, subtracting or adding a first numerical value from the maximum code rate; alternatively, the first and second electrodes may be,
according to the maximum code rate in the first configuration information, multiplying or dividing the maximum code rate by a second value when determining the number of Physical Resource Blocks (PRBs) used for transmitting the PUCCH; alternatively, the first and second electrodes may be,
according to the maximum code rate in the first configuration information, when the physical resource block PRB number used for transmitting the PUCCH is determined, the determined minimum PRB number
Figure BDA0002145198290000031
Subtracting or adding a third value; alternatively, the first and second electrodes may be,
according to the aboveThe maximum code rate in the first configuration information determines the minimum PRB number when the physical resource block PRB number used for transmitting the PUCCH is determined
Figure BDA0002145198290000032
Multiplied or divided by a fourth value.
Optionally, the first numerical value, the second numerical value, the third numerical value, and the fourth numerical value are agreed in advance by a protocol, or are carried in second configuration information sent by a terminal receiving network device.
Optionally, the first value, the second value, the third value, and the fourth value are fixed values, or are determined by at least one of the following information: maximum code rate, PUCCH format, and number of PRBs configured
Figure BDA0002145198290000041
The embodiment of the invention also provides a method for configuring the physical uplink control channel, which is applied to network equipment, and the method comprises the following steps:
and sending first configuration information of a Physical Uplink Control Channel (PUCCH) to a terminal, wherein the first configuration information comprises a maximum code rate.
Optionally, the first configuration information includes at least one value in a first candidate value set/table, where the first candidate value set/table includes N1 code rates, and the N1 code rates include at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
Optionally, the preset code rate is 0.08.
Optionally, when the first configuration information includes at least one value in the second candidate value set/table and at least one value in the third candidate value set/table, the first identifier is sent to the terminal.
Optionally, the first identifier includes at least one of:
scheduling a downlink control information format of a Physical Downlink Shared Channel (PDSCH);
a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information of a Physical Downlink Shared Channel (PDSCH);
scheduling information carried in downlink control information of a Physical Downlink Shared Channel (PDSCH);
control the configuration information of the resource set CORESET or search space.
An embodiment of the present invention further provides a terminal, including:
the system comprises a transceiver and a receiver, wherein the transceiver is used for receiving first configuration information of a Physical Uplink Control Channel (PUCCH) sent by network equipment, and the first configuration information comprises a maximum code rate maxCodeRate;
a processor, configured to determine, according to a maximum code rate in the first configuration information, a frequency domain resource used for transmitting the PUCCH;
the transceiver is further configured to transmit the PUCCH on the determined resource.
Optionally, the first configuration information includes at least one value in a first candidate value set/table, where the first candidate value set/table includes N1 code rates, and the N1 code rates include at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
Optionally, when the first configuration information includes at least one value in the second candidate value set/table and at least one value in the third candidate value set/table, the processor determines the maximum code rate for transmitting the PUCCH according to the first identifier.
Optionally, the first identifier includes at least one of:
scheduling a downlink control information format of a Physical Downlink Shared Channel (PDSCH);
a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information of a Physical Downlink Shared Channel (PDSCH);
scheduling information carried in downlink control information of a Physical Downlink Shared Channel (PDSCH);
control the configuration information of the resource set CORESET or search space.
Optionally, the processor is configured to: according to the maximum code rate in the first configuration information, when the number of Physical Resource Blocks (PRBs) used for transmitting the PUCCH is determined, subtracting or adding a first numerical value from the maximum code rate; or, when the number of Physical Resource Blocks (PRBs) used for transmitting the PUCCH is determined according to the maximum code rate in the first configuration information, multiplying or dividing the maximum code rate by a second value; or, when determining the physical resource block PRB number used for transmitting the PUCCH according to the maximum code rate in the first configuration information, determining the minimum PRB number
Figure BDA0002145198290000051
Subtracting or adding a third value; or, when determining the physical resource block PRB number used for transmitting the PUCCH according to the maximum code rate in the first configuration information, determining the minimum PRB number
Figure BDA0002145198290000052
Multiplied or divided by a fourth value.
Optionally, the first value, the second value, the third value, and the fourth value are fixed values, or are determined by at least one of the following information: maximum code rate, PUCCH format, and number of PRBs configured
Figure BDA0002145198290000061
An embodiment of the present invention further provides a network device, including: the transceiver is configured to send first configuration information of a Physical Uplink Control Channel (PUCCH) to a terminal, where the first configuration information includes a maximum code rate.
Optionally, the first configuration information includes at least one value in a first candidate value set/table, where the first candidate value set/table includes N1 code rates, and the N1 code rates include at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
An embodiment of the present invention further provides a communication device, including: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above.
Embodiments of the present invention also provide a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the method as described above.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, first configuration information of a Physical Uplink Control Channel (PUCCH) sent by network equipment is received, wherein the first configuration information comprises a maximum code rate maxCodeRate; determining a frequency domain resource used for transmitting the PUCCH according to the maximum code rate in the first configuration information; transmitting the PUCCH on the determined resources. Reliability of PUCCH transmission is improved. That is to say, the above-mentioned embodiment of the present invention uses a way of reducing the PUCCH coding rate, so that the payload of the PUCCH becomes smaller on the same transmission resource, or more resources are used under the same payload, so that the reliability of PUCCH transmission is improved.
Drawings
Fig. 1 is a flowchart illustrating a transmission method of a physical uplink control channel according to the present invention;
FIG. 2 is a block diagram of a terminal according to the present invention;
fig. 3 is a schematic diagram of a network device according to the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a method for transmitting a physical uplink control channel, which is applied to a terminal, and the method includes:
step 11, receiving first configuration information of a Physical Uplink Control Channel (PUCCH) sent by a network device, where the first configuration information includes a maximum code rate maxCodeRate;
step 12, determining a frequency domain resource used for transmitting the PUCCH according to the maximum code rate in the first configuration information;
and step 13, transmitting the PUCCH on the determined resources.
In an optional embodiment of the present invention, the first configuration information includes at least one value in a first candidate value set/table, the first candidate value set/table includes N1 code rates, and the N1 code rates include at least one code rate lower than the preset code rate; the N1 is a positive integer, the preset code rate is a lowest code rate in a maximum code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a maximum code rate maxCodeRate candidate value set included in the first configuration information; optionally, the preset code rate may be 0.08;
for example, rows with X low code rate are added to the maxCodeRate table, where X is a positive integer, such as:
Figure BDA0002145198290000071
Figure BDA0002145198290000081
the 0 th row and the 1 st row are newly added rows, and the reliability of the PUCCH transmission can be improved by adding the rows with low code rate.
The first set/table of candidate values may be implemented by way of high-level signaling configuration, for example: PUCCH-MaxCodeRate: ═ ENUMERATED { m, n, … zeroDot08, zeroDot15, zeroDot25, zeroDot35, zeroDot45, zeroDot60 and zeroDot80}, wherein m and n represent positive numbers less than 0.08.
In another optional embodiment of the present invention, the first configuration information includes at least one value in a second candidate value set/table and at least one value in a third candidate value set/table, the second candidate value set/table includes N2 code rates, the third candidate value set/table includes N2 code rates, the second candidate value set/table, and/or the third candidate value set/table includes at least one code rate lower than the preset code rate, where N2 are positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of PUCCH, or the preset code rate is a lowest code rate in the candidate value set of the maximum code rates included in the first configuration information, and optionally, the preset code rate may be 0.08.
For example, two maxCodeRate tables are agreed for different services/different HARQ codebook/different PUCCH configurations in a pre-agreed manner, one is a second candidate value set/table, the other is a third candidate value set/table, X rows with high code rate are removed from the third candidate value set/table, X rows with low code rate are added, and X is a positive integer.
For example, the second set/table of candidate values may be:
Figure BDA0002145198290000082
Figure BDA0002145198290000091
the third set/table of candidate values may be:
maxCodeRate Code rate r
0 0.02
1 0.04
2 0.08
3 0.15
4 0.25
5 0.35
6 0.45
7 reserved
The second set/table of candidate values may be implemented by way of higher layer signaling configuration, for example:
PUCCH-MaxCodeRate::＝ENUMERATED{zeroDot08,zeroDot15,zeroDot25,zeroDot35,zeroDot45,zeroDot60,zeroDot80}
the third candidate value set/table may be implemented by way of high-level signaling configuration, for example:
PUCCH-MaxCodeRate: ═ ENUMERATED { m, n, … zeroDot08, zeroDot15, zeroDot25, zeroDot35, zeroDot45}, wherein m, n represent positive numbers less than 0.08.
In an application scenario, the second candidate value set/table is configured for configuring the eMBB service/the first HARQ codebook/the first PUCCH; the third candidate value set/table is used for configuring URLLC service/second HARQ codebook/second PUCCH configuration.
By configuring different tables, the third candidate value set/table includes rows with low code rate, and by these different tables and the low code rate in the third candidate value set/table, the reliability of PUCCH transmission (uplink control information UCI transmission) of URLLC service can be improved.
In an optional embodiment of the present invention, when the first configuration information includes at least one value in the second candidate value set/table and at least one value in the third candidate value set/table, according to the first identifier, the maximum code rate for transmitting the PUCCH is determined.
Optionally, the first identifier includes at least one of:
1) a Downlink control information format of a Physical Downlink Shared Channel (PDSCH) is scheduled;
2) a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information for scheduling the PDSCH;
3) scheduling information carried in downlink control information of the PDSCH;
4) control resource aggregation (CORESET) or configuration information of the search space.
Here, determining the maximum code rate for transmitting the PUCCH according to the first identifier may include:
and determining a first value or a second value in the first configuration information as the maximum code rate for transmitting the PUCCH according to different first identifiers.
In an optional embodiment of the present invention, in step 12, the method may further include:
step 121, when determining the number of PRBs (physical resource blocks) used for transmitting the PUCCH according to the maximum code rate in the first configuration information, subtracting or adding a first value from the maximum code rate; alternatively, the first and second electrodes may be,
step 122, when determining the number of physical resource blocks PRB used for transmitting PUCCH according to the maximum code rate in the first configuration information, multiplying or dividing the maximum code rate by a second value; alternatively, the first and second electrodes may be,
step 123, when determining the physical resource block PRB number used for transmitting the PUCCH according to the maximum code rate in the first configuration information, determining the minimum PRB number
Figure BDA0002145198290000101
Subtracting or adding a third value; alternatively, the first and second electrodes may be,
step 124, according to the first configuration informationMaximum code rate, determining the physical resource block PRB number used for transmitting PUCCH, determining the minimum PRB number
Figure BDA0002145198290000102
Multiplied or divided by a fourth value.
The first numerical value, the second numerical value, the third numerical value and the third numerical value are predetermined by a protocol, or carried in the second configuration information sent by the network device received by the terminal. The network device may send the second configuration information to the terminal through higher layer signaling.
In addition, the first numerical value, the second numerical value, the third numerical value and the third numerical value are fixed values, or are determined by at least one of the following information: maximum code rate, PUCCH format, and number of PRBs configured
Figure BDA0002145198290000103
In an implementation scenario, when UCI of URLLC traffic is transmitted, a frequency domain resource used for transmitting the PUCCH may be determined by:
r (maxcoderate for higher layer configuration) or
Figure BDA0002145198290000111
Subtracting/adding an adjustment amount;
r (maxcoderate for higher layer configuration) or
Figure BDA0002145198290000112
Multiplying/dividing by a measurement factor;
the adjustment amount and/or the measurement factor can be determined by the base station through high-level signaling configuration or a predefined mode;
the adjustment amount and/or measurement factor may be fixed or determined by at least one of the following: maxCodeRate, PUCCH format, and
Figure BDA0002145198290000113
in the above embodiments of the present invention, the PRB may be a resource such as an RB (resource block).
In the above embodiments of the present invention, the reliability of URLLC UCI (i.e. PUCCH) transmission is improved by adding some rows with low code rate in the maxCodeRate table or using an improved PUCCH PRB determination method.
The embodiment of the invention also provides a method for configuring the physical uplink control channel, which is applied to network equipment, and the method comprises the following steps:
and sending first configuration information of a Physical Uplink Control Channel (PUCCH) to a terminal, wherein the first configuration information comprises a maximum code rate.
Optionally, the first configuration information includes at least one value in a first candidate value set/table, where the first candidate value set/table includes N1 code rates, and the N1 code rates include at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
Optionally, the preset code rate is 0.08.
Optionally, when the first configuration information includes at least one value in the second candidate value set/table and at least one value in the third candidate value set/table, the first identifier is sent to the terminal.
Optionally, the first identifier includes at least one of:
scheduling a downlink control information format of a Physical Downlink Shared Channel (PDSCH);
a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information of a Physical Downlink Shared Channel (PDSCH);
scheduling information carried in downlink control information of a Physical Downlink Shared Channel (PDSCH);
control the configuration information of the resource set CORESET or search space.
In the embodiment of the method, the first configuration information of the physical uplink control channel PUCCH is sent to the terminal, and the first configuration information comprises the maximum code rate, so that the reliability of PUCCH transmission is improved.
As shown in fig. 2, an embodiment of the present invention further provides a terminal 20, including:
a transceiver 21, configured to receive first configuration information of a physical uplink control channel PUCCH, where the first configuration information includes a maximum code rate maxCodeRate;
a processor 22, configured to determine, according to a maximum code rate in the first configuration information, a frequency domain resource used for transmitting the PUCCH;
the transceiver 21 is further configured to transmit the PUCCH on the determined resource.
Optionally, the first configuration information includes at least one value in a first candidate value set/table, where the first candidate value set/table includes N1 code rates, and the N1 code rates include at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
Optionally, the preset code rate is 0.08.
Optionally, when the first configuration information includes at least one value in the second candidate value set/table and at least one value in the third candidate value set/table, the processor determines the maximum code rate for transmitting the PUCCH according to the first identifier.
Optionally, the first identifier includes at least one of:
scheduling a downlink control information format of a Physical Downlink Shared Channel (PDSCH);
a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information of a Physical Downlink Shared Channel (PDSCH);
scheduling information carried in downlink control information of a Physical Downlink Shared Channel (PDSCH);
control the configuration information of the resource set CORESET or search space.
Optionally, the processor 22 is configured to: according to the maximum code rate in the first configuration information, when the number of Physical Resource Blocks (PRBs) used for transmitting the PUCCH is determined, subtracting or adding a first numerical value from the maximum code rate; or, when the number of Physical Resource Blocks (PRBs) used for transmitting the PUCCH is determined according to the maximum code rate in the first configuration information, multiplying or dividing the maximum code rate by a second value; or, when determining the physical resource block PRB number used for transmitting the PUCCH according to the maximum code rate in the first configuration information, determining the minimum PRB number
Figure BDA0002145198290000131
Subtracting or adding a third value; or, when determining the physical resource block PRB number used for transmitting the PUCCH according to the maximum code rate in the first configuration information, determining the minimum PRB number
Figure BDA0002145198290000132
Multiplied or divided by a fourth value.
Optionally, the first numerical value, the second numerical value, the third numerical value, and the third numerical value are agreed in advance by a protocol, or are carried in second configuration information sent by a terminal receiving network device.
Optionally, the first numerical value, the second numerical value, the third numerical value, and the third numerical value are fixed values, or are determined by at least one of the following information: maximum code rate, PUCCH format, and number of PRBs configured
Figure BDA0002145198290000133
It should be noted that the terminal is a terminal corresponding to the method on the terminal side, and all implementation manners in the above method embodiments are applicable to the embodiment of the terminal, and the same technical effect can be achieved. The terminal may further include: a memory 23; the transceiver 21 and the processor 22, and the transceiver 21 and the memory 23 may be connected through a bus interface, and the functions of the transceiver 21 may be implemented by the processor 22, and the functions of the processor 22 may also be implemented by the transceiver 21.
An embodiment of the present invention further provides a network device 30, including: the transceiver 31 is configured to send first configuration information of a physical uplink control channel, PUCCH, to a terminal, where the first configuration information includes a maximum code rate.
Optionally, the first configuration information includes at least one value in a first candidate value set/table, where the first candidate value set/table includes N1 code rates, and the N1 code rates include at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
Optionally, the preset code rate is 0.08.
Optionally, when the first configuration information includes at least one value in the second candidate value set/table and at least one value in the third candidate value set/table, the first identifier is sent to the terminal.
Optionally, the first identifier includes at least one of:
scheduling a downlink control information format of a Physical Downlink Shared Channel (PDSCH);
a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information of a Physical Downlink Shared Channel (PDSCH);
scheduling information carried in downlink control information of a Physical Downlink Shared Channel (PDSCH);
control the configuration information of the resource set CORESET or search space.
It should be noted that the network device is a network device corresponding to the method shown in fig. 1, and all implementation manners in the method embodiments are applicable to the embodiment of the network device, and the same technical effect can be achieved. The network device may further include: a processor 32, a memory 33; the transceiver 31 and the processor 32, and the transceiver 31 and the memory 33 may be connected through a bus interface, and the functions of the transceiver 31 may be implemented by the processor 32, and the functions of the processor 32 may also be implemented by the transceiver 31.
An embodiment of the present invention further provides a communication device, including: a processor, a memory storing a computer program which, when executed by the processor, performs a method such as a network device side method or a terminal side method. All the implementation manners in the above method embodiment are applicable to this embodiment, and the same technical effect can be achieved.
Embodiments of the present invention also provide a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform a method such as a network device-side method or a terminal-side method. All the implementation manners in the above method embodiments are applicable to the embodiments, and the same technical effect can be achieved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. 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 invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical 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 functions, if implemented in the form of software functional units 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 invention may be embodied in the form of 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, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (18)

1. A transmission method of a physical uplink control channel is applied to a terminal, and the method comprises the following steps:
receiving first configuration information of a Physical Uplink Control Channel (PUCCH) sent by network equipment, wherein the first configuration information comprises a maximum code rate maxCodeRate;
determining a frequency domain resource used for transmitting the PUCCH according to the maximum code rate in the first configuration information;
transmitting the PUCCH on the determined frequency domain resources.
2. The method for transmitting physical uplink control channel according to claim 1,
the first configuration information comprises at least one value in a first candidate value set/table, the first candidate value set/table comprising N1 code rates, the N1 code rates comprising at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set/table comprising N2 code rates and at least one value of a third candidate set/table comprising N2 code rates, the second or third candidate set/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
3. The method according to claim 2, wherein the predetermined code rate is 0.08.
4. The method of claim 2 or 3, wherein when the first configuration information includes at least one value from a second candidate value set/table and at least one value from a third candidate value set/table, the maximum code rate for transmitting the PUCCH is determined according to the first identifier.
5. The method for transmitting physical layer uplink control channel according to claim 4, wherein the first identifier includes at least one of:
scheduling a downlink control information format of a Physical Downlink Shared Channel (PDSCH);
a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information of a Physical Downlink Shared Channel (PDSCH);
scheduling information carried in downlink control information of a Physical Downlink Shared Channel (PDSCH);
control the configuration information of the resource set CORESET or search space.
6. The method according to claim 1, wherein determining the frequency domain resource used for transmitting the PUCCH according to the maximum code rate in the first configuration information comprises:
according to the maximum code rate in the first configuration information, when the number of Physical Resource Blocks (PRBs) used for transmitting the PUCCH is determined, subtracting or adding a first numerical value from the maximum code rate; alternatively, the first and second electrodes may be,
according to the maximum code rate in the first configuration information, multiplying or dividing the maximum code rate by a second value when determining the number of Physical Resource Blocks (PRBs) used for transmitting the PUCCH; alternatively, the first and second electrodes may be,
according to the maximum code rate in the first configuration information, when the physical resource block PRB number used for transmitting the PUCCH is determined, the determined minimum PRB number
Figure FDA0002145198280000021
Subtracting or adding a third value; alternatively, the first and second electrodes may be,
according to the maximum code rate in the first configuration information, when the physical resource block PRB number used for transmitting the PUCCH is determined, the determined minimum PRB number
Figure FDA0002145198280000022
Multiplied or divided by a fourth value;
the first numerical value, the second numerical value, the third numerical value and the fourth numerical value are agreed in advance by a protocol, or carried in second configuration information sent by a terminal receiving network device.
7. The method of claim 6, wherein the first, second, third and fourth values are fixed values or are determined by at least one of the following information: maximum code rate, PUCCH format, and number of PRBs configured
Figure FDA0002145198280000023
8. A method for configuring a physical uplink control channel is applied to a network device, and the method comprises the following steps:
and sending first configuration information of a Physical Uplink Control Channel (PUCCH) to a terminal, wherein the first configuration information comprises a maximum code rate.
9. The method for configuring physical uplink control channel according to claim 8,
the first configuration information comprises at least one value in a first candidate value set/table, the first candidate value set/table comprising N1 code rates, the N1 code rates comprising at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
10. The method according to claim 9, wherein the predetermined code rate is 0.08.
11. The method according to claim 9 or 10, wherein the first configuration information comprises at least one value in a second candidate value set/table and at least one value in a third candidate value set/table, and the first identifier is sent to the terminal.
12. The method of claim 11, wherein the first identifier comprises at least one of:
scheduling a downlink control information format of a Physical Downlink Shared Channel (PDSCH);
a Radio Network Temporary Identifier (RNTI) for scrambling downlink control information of a Physical Downlink Shared Channel (PDSCH);
scheduling information carried in downlink control information of a Physical Downlink Shared Channel (PDSCH);
control the configuration information of the resource set CORESET or search space.
13. A terminal, comprising:
the system comprises a transceiver and a receiver, wherein the transceiver is used for receiving first configuration information of a Physical Uplink Control Channel (PUCCH) sent by network equipment, and the first configuration information comprises a maximum code rate maxCodeRate;
a processor, configured to determine, according to a maximum code rate in the first configuration information, a frequency domain resource used for transmitting the PUCCH;
the transceiver is further configured to transmit the PUCCH on the determined frequency domain resource.
14. The terminal of claim 13,
the first configuration information comprises at least one value in a first candidate value set/table, the first candidate value set/table comprising N1 code rates, the N1 code rates comprising at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
15. A network device, comprising:
the transceiver is configured to send first configuration information of a Physical Uplink Control Channel (PUCCH) to a terminal, where the first configuration information includes a maximum code rate.
16. The network device of claim 15,
the first configuration information comprises at least one value in a first candidate value set/table, the first candidate value set/table comprising N1 code rates, the N1 code rates comprising at least one code rate lower than the preset code rate; alternatively, the first and second electrodes may be,
the first configuration information comprises at least one value of a second candidate set of values/table comprising N2 code rates and at least one value of a third candidate set of values/table comprising N2 code rates, the second candidate set of values/table, and/or the third candidate set of values/table comprising at least one code rate lower than the preset code rate;
the N1 and the N2 are both positive integers, and the preset code rate is a lowest code rate in a max code rate maxCodeRate table of the PUCCH, or the preset code rate is a lowest code rate in a max code rate maxCodeRate candidate value set included in the first configuration information.
17. A communication device, comprising: a processor, a memory storing a computer program which, when executed by the processor, performs the method of any of claims 1 to 7, or the method of any of claims 8 to 12.
18. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 7, or the method of any one of claims 8 to 12.
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