Method and apparatus for transmitting ACK/NACK
View Patent ↗A technology enabling a base station to transmit acknowledgement (ACK)/negative ACK (NACK) information about data received from a terminal is provided. A cyclic shift value difference of each terminal may be maximized and a radio resource for transmitting the ACK/NACK information may be assigned without collision.
1. A method of receiving acknowledgement (ACK) or negative ACK (NACK) information about data transmitted to a base station in a terminal of a wireless communication system, the method comprising:
receiving cyclic shift information for reference signal from the base station;
transmitting, to the base station, the data and a reference signal having a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal, wherein the cyclic shift information for the reference signal is mapped one-to-one to the dynamic cyclic shift value according to Table 1; and
receiving, from the base station, ACK or NACK information about the transmitted data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal
TABLE 1
Cyclic shift information
Dynamic cyclic
for reference signal
shift value
000
0
001
6
010
3
011
4
100
2
101
8
110
10
111
9.
2. The method of claim 1 , wherein the cyclic shift information for the reference signal is mapped one-to-one to the modifier, according to Table 2
TABLE 2
Cyclic shift information
for reference signal
Modifier
000
0
001
1
010
2
011
3
100
4
101
5
110
6
111
7.
3. The method of claim 1 , wherein the downlink channel is a Physical Hybrid Automatic Repeat Request Indicator Channel (PHICH).
4. The method of claim 1 , wherein the terminal transmits the data using an extended cyclic prefix.
5. A method of transmitting ACK or NACK information about data received from a terminal in a base station of a wireless communication system, the method comprising:
transmitting cyclic shift information for reference signal to a terminal;
receiving, from the terminal, the data and a reference signal having a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal, wherein the cyclic shift information for the reference signal is mapped one-to-one to the dynamic cyclic shift value, according to Table 3; and
transmitting, to the terminal, ACK or NACK information about the received data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal
TABLE 3
Cyclic shift information
Dynamic cyclic
for reference signal
shift value
000
0
001
6
010
3
011
4
100
2
101
8
110
10
111
9.
6. The method of claim 5 , wherein the cyclic shift information for the reference signal is mapped one-to-one to the modifier, according to Table 4
TABLE 4
Cyclic shift information
for reference signal
Modifier
000
0
001
1
010
2
011
3
100
4
101
5
110
6
111
7.
7. The method of claim 5 , wherein the downlink channel is a PHICH.
8. The method of claim 5 , wherein the base station receives the data, transmitted using an extended cyclic prefix, from the terminal.
9. A method of receiving ACK or NACK information about data transmitted to a base station in a terminal of a wireless communication system, the method comprising:
receiving cyclic shift information for a reference signal from the base station;
transmitting, to the base station, the data and a reference signal having a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal according to Table 5; and
receiving, from the base station, ACK or NACK information about the transmitted data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal according to Table 6
TABLE 5
Cyclic shift information
Dynamic cyclic
for reference signal
shift value
000
0
001
6
010
3
011
4
100
2
101
8
110
10
111
9
TABLE 6
Cyclic shift information
for reference signal
Modifier
000
0
001
1
010
2
011
3
100
4
101
5
110
6
111
7.
10. A method of transmitting ACK or NACK information about data received from a terminal in a base station of a wireless communication system, the method comprising:
transmitting cyclic shift information for a reference signal to a terminal;
receiving, from the terminal, the data and a reference signal having a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal according to Table 7; and
transmitting, to the terminal, ACK or NACK information about the received data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal according to Table 8
TABLE 7
Cyclic shift information
Dynamic cyclic
for reference signal
shift value
000
0
001
6
010
3
011
4
100
2
101
8
110
10
111
9
TABLE 8
Cyclic shift information
for reference signal
Modifier
000
0
001
1
010
2
011
3
100
4
101
5
110
6
111
7.
11. A non-transitory computer-readable recording medium storing a program for implementing a method of receiving ACK or NACK information, the method comprising:
receiving cyclic shift information for a reference signal from a base station;
transmitting, to the base station, the data and a reference signal having a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal, wherein the cyclic shift information for the reference signal is mapped one-to-one to the dynamic cyclic shift value according to Table 9; and
receiving, from the base station, ACK or NACK information about the transmitted data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal
TABLE 9
Cyclic shift information
Dynamic cyclic
for reference signal
shift value
000
0
001
6
010
3
011
4
100
2
101
8
110
10
111
9.
12. A non-transitory computer-readable recording medium storing a program for implementing a method of transmitting ACK or NACK information, the method comprising:
transmitting cyclic shift information for a reference signal to a terminal;
receiving, from the terminal, the data and a reference signal having a cyclic shift value, the cyclic shift value being determined based on a dynamic cyclic shift value mapped one-to-one to the cyclic shift information for the reference signal; and
transmitting, to the terminal, ACK or NACK information about the received data through a radio resource of a downlink channel, the radio resource of the downlink channel being identified based on a modifier mapped one-to-one to the cyclic shift information for the reference signal, wherein the cyclic shift information for the reference signal is mapped one-to-one to the dynamic cyclic shift value, according to Table 10
TABLE 10
Cyclic shift information
Dynamic cyclic
for reference signal
shift value
000
0
001
6
010
3
011
4
100
2
101
8
110
10
111
9.