# US 11,444,726 B2 · Uplink control information transmission method and apparatus

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,444,726 B2
- Document ID: US11444726B2
- Status: Granted
- Kind: B2
- Application number: 16/990,434
- Filed: 2020-08-11
- Published: 2020-11-26
- Granted: 2022-09-13
- Earliest claimed: 2018-02-13
- Assignees: Huawei Technologies Co., Ltd.
- Applicants: Huawei Technologies Co., Ltd.
- Inventors: Chaojun Li; Hao Sun
- Web page: https://patentgrep.com/patent/US11444726B2

## CPC

- H04L 1/1819: {with retransmission of additional or different redundancy}
- H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)}
- H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)}
- H04L 27/2607: {Cyclic extensions}
- H04W 72/00: Local resource management
- H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network
- H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

An uplink control information transmission method and an apparatus. The method includes determining, by a terminal device, according hybrid automatic repeat request-acknowledgment (HARQ-ACK) information and a mapping relationship, a channel resource corresponding to the HARQ-ACK information, where a channel resource corresponding to an acknowledgement (ACK) and a channel resource corresponding to {ACK, negative acknowledgement (NACK)} in the mapping relationship are the same, generating, by the terminal device, an uplink signal based on the channel resource corresponding to the HARQ-ACK information, and sending, by the terminal device, the uplink signal.

## Claims

### Claim 1

An uplink control information transmission method, comprising:
determining, by a terminal device, according to hybrid automatic repeat request-acknowledgment (HARQ-ACK) information and a mapping relationship, a channel resource corresponding to the HARQ-ACK information, wherein a channel resource corresponding to an acknowledgement (ACK) and a channel resource corresponding to {ACK, negative acknowledgement (NACK)} in the mapping relationship are the same, wherein the ACK is associated with the terminal device detecting one physical downlink control channel (PDCCH) of a first PDCCH and a second PDCCH sent by a network device, and is further associated with the terminal device not detecting another one of the first PDCCH and the second PDCCH, and wherein the {ACK, NACK} is associated with the terminal device detecting both the first PDCCH and the second PDCCH;
generating, by the terminal device, an uplink signal based on the channel resource corresponding to the HARQ-ACK information; and
sending, by the terminal device, the uplink signal.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the channel resource in the mapping relationship comprises at least a first physical uplink control channel (PUCCH) resource and a second PUCCH resource, wherein the mapping relationship comprises the ACK corresponding to the second PUCCH resource, and wherein the {ACK, NACK} corresponds to the second PUCCH resource; and
wherein the determining the channel resource corresponding to the HARQ-ACK information comprises performing at least one of:
determining, by the terminal device, in response to the HARQ-ACK information being the ACK, and according to the ACK and the mapping relationship, that the channel resource corresponding to the ACK is the second PUCCH resource; or
determining, by the terminal device, in response to the HARQ-ACK information being the {ACK, NACK}, and according to the {ACK, NACK} and the mapping relationship, that the channel resource corresponding to the {ACK, NACK} is the second PUCCH resource.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the channel resource in the mapping relationship comprises at least a first scheduling request (SR) physical uplink control channel (PUCCH) resource, a second SR PUCCH resource, a first PUCCH, and a second PUCCH, wherein the mapping relationship comprises the ACK corresponding to the second SR PUCCH resource and the {ACK, NACK} corresponding to the second SR PUCCH resource when an SR transmission status is a positive SR transmission, and further comprises the ACK corresponding to the second PUCCH resource and the {ACK, NACK} corresponding to the second PUCCH resource when the SR transmission status is a negative SR transmission; and
wherein the determining the channel resource corresponding to the HARQ-ACK information comprises performing at least one of:
determining, by the terminal device, in response to the HARQ-ACK information being the ACK and the SR transmission status being the positive SR transmission, and according to the mapping relationship, that the channel resource corresponding to the ACK is the second SR PUCCH resource;
determining, by the terminal device, in response to the HARQ-ACK information being the {ACK, NACK} and the SR transmission status being the positive SR transmission, and according to the mapping relationship, that the channel resource corresponding to the {ACK, NACK} is the second SR PUCCH resource;
determining, by the terminal device, in response to the HARQ-ACK information being the ACK and the SR transmission status being the negative SR transmission, according to the mapping relationship, that the channel resource corresponding to the ACK is the second PUCCH resource; or
determining, by the terminal device, in response to the HARQ-ACK information being the {ACK, NACK} and the SR transmission status being the negative SR transmission, according to the mapping relationship, that the channel resource corresponding to the {ACK, NACK} is the second PUCCH resource.

### Claim 4 (depends on 3)

The method according to claim 3, wherein the mapping relationship meets at least one of Table 1 to Table 3, and wherein Table 1 to Table 3 comprise:
TABLE 1
HARQ-ACK
sPUCCH format
information
PUCCH resource
1a
0
First PUCCH resource
1
Second PUCCH resource
1b
00
First PUCCH resource
10
Second PUCCH resource
01
Third PUCCH resource
11
Fourth PUCCH resource
wherein 1 indicates that the HARQ-ACK information is an ACK, and 0 indicates that the HARQ-ACK information is a NACK;
TABLE 2
HARQ-ACK
SR transmission
information
status
PUCCH resource
ACK/NACK
Negative
PUCCH resource corresponding to the
sPUCCH format 1a in Table 1
NACK
Positive
First SR PUCCH resource
ACK
Positive
Second SR PUCCH resource
TABLE 3
SR trans-
HARQ-ACK
HARQ-ACK
mission
information (0)
information (1)
status
PUCCH resource
ACK/NACK
ACK/NACK
Negative
PUCCH resource
corresponding to the
sPUCCH format 1b in
Table 1
NACK
NACK
Positive
First SR PUCCH resource
ACK
NACK
Positive
Second SR PUCCH resource
NACK
ACK
Positive
Third SR PUCCH resource
ACK
ACK
Positive
Fourth SR PUCCH resource
wherein the correspondence between the HARQ-ACK information and the channel resource meets Table 1 when the SR transmission status is the negative SR transmission; and
wherein the correspondence between the HARQ-ACK information and the channel resource meets Table 2 and Table 3 when the SR transmission status is the positive SR transmission.

### Claim 5 (depends on 1)

The method according to claim 1, wherein the channel resource corresponding to the HARQ-ACK information is a cyclic shift corresponding to the HARQ-ACK information, and wherein cyclic shifts in the mapping relationship comprise at least a first cyclic shift and a second cyclic shift;
wherein the mapping relationship comprises the ACK corresponding to the second cyclic shift, and wherein the {ACK, NACK} corresponds to the second cyclic shift; and
wherein the determining the channel resource corresponding to the HARQ-ACK information comprises performing at least one of:
determining, by the terminal device, in response to the HARQ-ACK information being the ACK, and according to the mapping relationship, that a cyclic shift corresponding to the ACK is the second cyclic shift; or
determining, by the terminal device, in response to the HARQ-ACK information being the {ACK, NACK}, and according to the mapping relationship, that a cyclic shift corresponding to the {ACK, NACK} is the second cyclic shift.

### Claim 6 (depends on 5)

The method according to claim 5, wherein the mapping relationship is a mapping relationship 1 or a mapping relationship 2, wherein the mapping relationship 1 meets Table 4 and Table 5, wherein the mapping relationship 2 meets Table 6 and Table 7, and wherein Tables 4-7 comprise:
TABLE 4
HARQ-ACK information
0
1
Cyclic shift
mcs = 0
mcs = 6
TABLE 5
HARQ-ACK information
{0, 0}
{0, 1}
{1, 0}
{1, 1}
Cyclic shift
mcs = 0
mcs = 3
mcs = 6
mcs = 9
TABLE 6
HARQ-ACK information
0
1
Cyclic shift
mcs = 0
mcs = 9
TABLE 7
HARQ-ACK information
{0, 0}
{0, 1}
{1, 1}
{1, 0}
Cyclic shift
mcs = 0
mcs = 3
mcs = 6
mcs = 9
wherein 1 indicates that the HARQ-ACK information is an ACK, and wherein 0 indicates that the HARQ-ACK information is a NACK.

### Claim 7 (depends on 6)

The method according to claim 6, further comprising performing, before the determining the channel resource corresponding to the HARQ-ACK information:
receiving, by the terminal device, indication information sent by the network device, wherein the indication information indicates that the mapping relationship is the mapping relationship 1 or the mapping relationship 2.

### Claim 8

An uplink control information transmission method, comprising:
receiving, by a network device, an uplink signal; and
determining, by the network device according to a channel resource for the uplink signal, a quantity of hybrid automatic repeat request-acknowledgment (HARQ-ACK) information bits and a mapping relationship, wherein HARQ-ACK information corresponds to the channel resource for the uplink signal, and wherein a channel resource corresponding to an acknowledgement (ACK) and a channel resource corresponding to {ACK, negative acknowledgement (NACK)} in the mapping relationship are the same, wherein the ACK is associated with a terminal device detecting one physical downlink control channel (PDCCH) of a first PDCCH and a second PDCCH sent by the network device, and is further associated with the terminal device not detecting another one of the first PDCCH and the second PDCCH, and wherein the {ACK, NACK} is associated with the terminal device detecting both the first PDCCH and the second PDCCH.

### Claim 9 (depends on 8)

The method according to claim 8, wherein the quantity of HARQ-ACK information bits is 1 or 2, wherein the channel resource in the mapping relationship comprises at least a first physical uplink control channel (PUCCH) resource and a second PUCCH resource;
wherein the mapping relationship comprises the ACK corresponding to the second PUCCH resource, and further comprises the {ACK, NACK} corresponding to the second PUCCH resource; and
wherein the determining the quantity of HARQ-ACK information bits and the mapping relationship comprises performing at least one of:
determining, by the network device, in response to the channel resource for the uplink signal being the second PUCCH resource, and further according to the quantity of HARQ-ACK information bits being 1, and according to the mapping relationship, that the HARQ-ACK information corresponding to the channel resource that is for the uplink signal is the ACK; or
determining, by the network device, in response to the channel resource for the uplink signal being the second PUCCH resource, and the quantity of HARQ-ACK information bits being 2, and according to the mapping relationship, that the HARQ-ACK information corresponding to the channel resource that is for the uplink signal is the {ACK, NACK}.

### Claim 10 (depends on 8)

The method according to claim 8, wherein the quantity of HARQ-ACK information bits is 1 or 2;
wherein the channel resource in the mapping relationship comprises at least a first scheduling request (SR) physical uplink control channel (PUCCH) resource, a second SR PUCCH resource, a first PUCCH, and a second PUCCH;
wherein the mapping relationship comprises:
the ACK corresponding to the second SR PUCCH resource and the {ACK, NACK} corresponding to the second SR PUCCH resource when an SR transmission status is a positive SR transmission; and
the ACK corresponding to the second PUCCH resource and the {ACK, NACK} corresponding to the second PUCCH resource when the SR transmission status is a negative SR transmission; and
wherein the determining the quantity of HARQ-ACK information bits, and the mapping relationship comprises performing at least one of:
determining, by the network device, in response to the channel resource for the uplink signal being the second SR PUCCH resource, further in response to the quantity of HARQ-ACK information bits being 1, and according to the mapping relationship, that the HARQ-ACK information corresponding to the channel resource that is for the uplink signal is the ACK and the SR transmission status is the positive SR transmission;
determining, by the network device, in response to the channel resource for the uplink signal being the second SR PUCCH resource, further according to the quantity of HARQ-ACK information bits being 2, and according to the mapping relationship, that the HARQ-ACK information corresponding to the channel resource that is for the uplink signal is the {ACK, NACK} and the SR transmission status is the positive SR transmission;
determining, by the network device, in response to the channel resource used for the uplink signal being the second PUCCH resource, further in response to the quantity of HARQ-ACK information bits being 1, and according to the mapping relationship, that the HARQ-ACK information corresponding to the channel resource used for the uplink signal is the ACK and the SR transmission status is the negative SR transmission; or
determining, by the network device, in response to the channel resource used for the uplink signal being the second PUCCH resource, further in response to the quantity of HARQ-ACK information bits being 2, and according to the mapping relationship, that the HARQ-ACK information corresponding to the channel resource that is for the uplink signal is the {ACK, NACK} and the SR transmission status is the negative SR transmission.

### Claim 11 (depends on 10)

The method according to claim 10, wherein the mapping relationship meets Table 1 to Table 3, and wherein Tables 1-3 comprise:
TABLE 1
sPUCCH
HARQ-ACK
format
information
PUCCH resource
1a
0
First PUCCH resource
1
Second PUCCH resource
1b
00
First PUCCH resource
10
Second PUCCH resource
01
Third PUCCH resource
11
Fourth PUCCH resource
wherein 1 indicates that the HARQ-ACK information is an ACK, and 0 indicates that the HARQ-ACK information is a NACK;
TABLE 2
HARQ-ACK
SR transmission
information
status
PUCCH resource
ACK/NACK
Negative
PUCCH resource corresponding to
the sPUCCH format 1a in Table 1
NACK
Positive
First SR PUCCH resource
ACK
Positive
Second SR PUCCH resource
TABLE 3
SR
HARQ-ACK
HARQ-ACK
transmission
information (0)
information (1)
status
PUCCH resource
ACK/NACK
ACK/NACK
Negative
PUCCH resource
corresponding to the
sPUCCH format 1b
in Table 1
NACK
NACK
Positive
First SR PUCCH
resource
ACK
NACK
Positive
Second SR PUCCH
resource
NACK
ACK
Positive
Third SR PUCCH
resource
ACK
ACK
Positive
Fourth SR PUCCH
resource
wherein the correspondence between the HARQ-ACK information and the channel resource meets Table 1 when the SR transmission status is the negative SR transmission, and wherein the correspondence between the HARQ-ACK information and the channel resource meets Table 2 and Table 3 when the SR transmission status is the positive SR transmission.

### Claim 12 (depends on 8)

The method according to claim 8, wherein the channel resource corresponding to the HARQ-ACK information is a cyclic shift corresponding to the HARQ-ACK information, and wherein cyclic shifts in the mapping relationship comprise at least a first cyclic shift and a second cyclic shift;
wherein the mapping relationship comprises the ACK corresponding to the second cyclic shift, and the {ACK, NACK} corresponding to the second cyclic shift; and
wherein the determining the quantity of HARQ-ACK information bits, and the mapping relationship comprises performing at least one of:
determining, by the network device, in response to a cyclic shift for the uplink signal being the second cyclic shift and the quantity of HARQ-ACK information bits being 1, and according to the mapping relationship, that HARQ-ACK information corresponding to the cyclic shift for the uplink signal is the ACK; or
determining, by the network device, in response to a cyclic shift for the uplink signal being the second cyclic shift, in response to the quantity of HARQ-ACK information bits being 2, and according to the mapping relationship, that HARQ-ACK information corresponding to the cyclic shift for the uplink signal is the {ACK, NACK}.

### Claim 13 (depends on 12)

The method according to claim 12, wherein the mapping relationship is a mapping relationship 1 or a mapping relationship 2, wherein the mapping relationship 1 meets Table 4 and Table 5, and the mapping relationship 2 meets Table 6 and Table 7, wherein Tables 4-7 comprise:
TABLE 4
HARQ-ACK information
0
1
Cyclic shift
mcs = 0
mcs = 6
TABLE 5
HARQ-ACK information
{0, 0}
{0, 1}
{1, 0}
{1, 1}
Cyclic shift
mcs = 0
mcs = 3
mcs = 6
mcs = 9
TABLE 6
HARQ-ACK information
0
1
Cyclic shift
mcs = 0
mcs = 9
TABLE 7
HARQ-ACK information
{0, 0}
{0, 1}
{1, 1}
{1, 0}
Cyclic shift
mcs = 0
mcs = 3
mcs = 6
mcs = 9
wherein 1 indicates that the HARQ-ACK information is an ACK, and wherein 0 indicates that the HARQ-ACK information is a NACK.

### Claim 14 (depends on 13)

The method according to claim 13, wherein before the receiving, by a network device, an uplink signal, the method comprises:
sending, by the network device, indication information to the terminal device, wherein the indication information indicates that the mapping relationship is the mapping relationship 1 or the mapping relationship 2.

### Claim 15

A communications device, comprising:
a transmitter;
a processor; and
a non-transitory computer readable medium comprising a program stored thereon for execution by the processor, the program including instructions to:
determine, according to hybrid automatic repeat request-acknowledgment (HARQ-ACK) information and a mapping relationship, a channel resource corresponding to the HARQ-ACK information, wherein a channel resource corresponding to an acknowledgement (ACK) and a channel resource corresponding to {ACK, negative acknowledgement (NACK)} in the mapping relationship are the same, wherein the ACK is associated with the communications device detecting one physical downlink control channel (PDCCH) of a first PDCCH and a second PDCCH sent by a network device, and is further associated with the communications device not detecting another one of the first PDCCH and the second PDCCH, and wherein the {ACK, NACK} is associated with the communications device detecting both the first PDCCH and the second PDCCH;
generate an uplink signal based on the channel resource corresponding to the HARQ-ACK information; and
cause the transmitter to send the uplink signal.

### Claim 16 (depends on 15)

The device according to claim 15, wherein the channel resource in the mapping relationship comprises at least a first physical uplink control channel (PUCCH) resource and a second PUCCH resource;
wherein the mapping relationship comprises the ACK corresponding to the second PUCCH resource, and the {ACK, NACK} corresponding to the second PUCCH resource; and
wherein the program further includes instructions to perform at least one of:
determine, in response to the HARQ-ACK information being the ACK, according to the ACK and the mapping relationship, that the channel resource corresponding to the ACK is the second PUCCH resource; or
determine, in response to the HARQ-ACK information being the {ACK, NACK}, according to the {ACK, NACK} and the mapping relationship, that the channel resource corresponding to the {ACK, NACK} is the second PUCCH resource.

### Claim 17 (depends on 15)

The device according to claim 15, wherein the channel resource in the mapping relationship comprises at least a first scheduling request (SR) physical uplink control channel (PUCCH) resource, a second SR PUCCH resource, a first PUCCH, and a second PUCCH;
wherein the mapping relationship comprises the ACK corresponding to the second SR PUCCH resource and the {ACK, NACK} corresponding to the second SR PUCCH resource when an SR transmission status is a positive SR transmission, and further comprises the ACK corresponding to the second PUCCH resource and the {ACK, NACK} corresponding to the second PUCCH resource when the SR transmission status is a negative SR transmission; and
wherein the program further includes instructions to perform at least one of:
determine, in response to the HARQ-ACK information being the ACK and the SR transmission status being the positive SR transmission, and according to the mapping relationship, that the channel resource corresponding to the ACK is the second SR PUCCH resource;
determine, in response to the HARQ-ACK information being the {ACK, NACK} and the SR transmission status being the positive SR transmission, and according to the mapping relationship, that the channel resource corresponding to the {ACK, NACK} is the second SR PUCCH resource;
determine, in response to the HARQ-ACK information being the ACK and the SR transmission status being the negative SR transmission, and according to the mapping relationship, that the channel resource corresponding to the ACK is the second PUCCH resource; or
determine, in response to the HARQ-ACK information being the {ACK, NACK} and the SR transmission status being the negative SR transmission, and according to the mapping relationship, that the channel resource corresponding to the {ACK, NACK} is the second PUCCH resource.

### Claim 18 (depends on 17)

The device according to claim 17, wherein the mapping relationship meets Table 1 to Table 3, and wherein Tables 1-3 comprise:
TABLE 1
sPUCCH
HARQ-ACK
format
information
PUCCH resource
1a
0
First PUCCH resource
1
Second PUCCH resource
1b
00
First PUCCH resource
10
Second PUCCH resource
01
Third PUCCH resource
11
Fourth PUCCH resource
wherein 1 indicates that the HARQ-ACK information is an ACK, and wherein 0 indicates that the HARQ-ACK information is a NACK;
TABLE 2
HARQ-ACK
SR transmission
information
status
PUCCH resource
ACK/NACK
Negative
PUCCH resource corresponding to
the sPUCCH format 1a in Table 1
NACK
Positive
First SR PUCCH resource
ACK
Positive
Second SR PUCCH resource
TABLE 3
SR
HARQ-ACK
HARQ-ACK
transmission
information (0)
information (1)
status
PUCCH resource
ACK/NACK
ACK/NACK
Negative
PUCCH resource
corresponding to the
sPUCCH format 1b
in Table 1
NACK
NACK
Positive
First SR PUCCH
resource
ACK
NACK
Positive
Second SR PUCCH
resource
NACK
ACK
Positive
Third SR PUCCH
resource
ACK
ACK
Positive
Fourth SR PUCCH
resource
wherein the correspondence between the HARQ-ACK information and the channel resource meets Table 1 when the SR transmission status is the negative SR transmission; and
wherein the correspondence between the HARQ-ACK information and the channel resource meets Table 2 and Table 3 when the SR transmission status is the positive SR transmission.

### Claim 19 (depends on 15)

The device according to claim 15, wherein the channel resource corresponding to the HARQ-ACK information is a cyclic shift corresponding to the HARQ-ACK information, and wherein cyclic shifts in the mapping relationship comprise at least a first cyclic shift and a second cyclic shift;
wherein the mapping relationship comprises the ACK corresponding to the second cyclic shift, and the {ACK, NACK} corresponding to the second cyclic shift; and
wherein the program further includes instructions to perform at least one of:
determine, in response to the HARQ-ACK information being the ACK, and according to the mapping relationship, that a cyclic shift corresponding to the ACK is the second cyclic shift; or
determine, in response to the HARQ-ACK information being the {ACK, NACK}, and according to the mapping relationship, that a cyclic shift corresponding to the {ACK, NACK} is the second cyclic shift.

### Claim 20 (depends on 19)

The device according to claim 19, wherein the mapping relationship is a mapping relationship 1 or a mapping relationship 2, wherein the mapping relationship 1 meets Table 4 and Table 5, wherein the mapping relationship 2 meets Table 6 and Table 7, and wherein Tables 4-7 comprise:
TABLE 4
HARQ-ACK information
0
1
Cyclic shift
mcs = 0
mcs = 6
TABLE 5
HARQ-ACK information
{0, 0}
{0, 1}
{1, 0}
{1, 1}
Cyclic shift
mcs = 0
mcs = 3
mcs = 6
mcs = 9
TABLE 6
HARQ-ACK information
0
1
Cyclic shift
mcs = 0
mcs = 9
TABLE 7
HARQ-ACK information
{0, 0}
{0, 1}
{1, 1}
{1, 0}
Cyclic shift
mcs = 0
mcs = 3
mcs = 6
mcs = 9
wherein 1 indicates that the HARQ-ACK information is an ACK, and wherein 0 indicates that the HARQ-ACK information is a NACK.