Multiplexing control and data information from a user equipment in MIMO transmission mode
A method and apparatus are provided for multiplexing Uplink Control Information (UCI) with data information in a Physical Uplink Shared CHannel (PUSCH) transmitted over multiple spatial layers where aspects of the UCI multiplexing include the determination of the number of coded UCI symbols in each spatial layer when the data information is conveyed using multiple Transport Blocks (TBs), the determination of the number of coded UCI symbols in each spatial layer when the PUSCH conveys a single TB retransmission for a Hybrid Automatic Repeat reQuest (HARQ) process while the initial TB transmission for the same HARQ process was in a PUSCH conveying multiple TBs, and the determination of the modulation scheme for the coded UCI symbols.
1. A method for transmitting Uplink Control Information (UCI) through a Physical Uplink Shared Channel (PUSCH), the method comprising:
coding data bits and UCI bits, respectively;
multiplexing the coded data bits and the coded UCI bits; and
transmitting the multiplexed bits,
wherein the PUSCH includes two Transport Blocks (TBs), and
wherein a number of coded modulation symbols per layer of the UCI is determined based on a value related to a number of bits in at least one code block of a first TB, a number of Single-Carrier Frequency Division Multiple Access symbols of the first TB, scheduled bandwidth for the first TB, a value related to a number of bits in at least one code block of a second TB, a number of Single-Carrier Frequency Division Multiple Access symbols of the second TB, scheduled bandwidth for the second TB, a number of bits of the UCI, and an offset of the PUSCH.
2. The method of claim 1 , wherein a parameter, Q′ temp , which is representative of the number of coded modulation symbols per layer, is determined based on:
Q
temp
′
=
⌈
O
·
M
sc
PUSCH
-
initial
(
1
)
·
N
symb
PUSCH
-
initial
(
1
)
·
M
sc
PUSCH
-
initial
(
2
)
·
N
symb
PUSCH
-
initial
(
2
)
·
β
offset
PUSCH
∑
r
=
0
C
(
1
)
-
1
K
r
(
1
)
·
M
sc
PUSCH
-
initial
(
2
)
·
N
symb
PUSCH
-
initial
(
2
)
+
∑
r
=
0
C
(
2
)
-
1
K
r
(
2
)
·
M
sc
PUSCH
-
initial
(
1
)
·
N
symb
PUSCH
-
initial
(
1
)
⌉
where, ┐ 539 denotes a ceiling function that rounds a number to its next integer, O denotes the number of bits of the UCI, M sc PUSCH-initial(j) denotes scheduled bandwidths for an initial PUSCH transmission for a related TB, N symb PUSCH-initial(j) denotes the number of Single-Carrier Frequency Division Multiple Access symbols per sub-frame in an initial PUSCH transmission for the related TB, β offset PUSCH , denotes the offset of the PUSCH, C denotes a total number of code blocks of the related TB, K r j denotes the number of bits for a code block r in TB j , j denotes a TB, and j=0,1.
3. The method of claim 2 , wherein the number of coded modulation symbols per layer is determined based on:
min( Q′ temp ,4· M sc PUSCH )
where, M sc PUSCH denotes scheduled bandwidths for a PUSCH transmission in a current sub-frame for a TB.
4. The method of claim 1 , wherein the UCI includes a Hybrid Automatic Repeat reQuest (HARD)-Acknowledgement (ACK) or a Rank Indicator (RI).
5. An apparatus for transmitting Uplink Control Information (UCI) through a Physical Uplink Shared Channel (PUSCH), the apparatus comprising:
a coder that codes data bits and UCI bits, respectively; and
a transmitter that multiplexes the coded data bits and the coded UCI bits, and transmits the multiplexed bits,
wherein the PUSCH includes two Transport Blocks (TBs), and
wherein a number of coded modulation symbols per layer of the UCI is determined based on a value related to a number of bits in at least one code block of a first TB, a number of Single-Carrier Frequency Division Multiple Access symbols of the first TB, scheduled bandwidth for the first TB, a value related to a number of bits in at least one code block of a second TB, a number of Single-Carrier Frequency Division Multiple Access symbols of the second TB, scheduled bandwidth for the second TB, a number of bits of the UCI, and an offset of the PUSCH.
6. The apparatus of claim 5 , wherein a parameter, Q′ temp , which is representative of the number of coded modulation symbols per layer, is determined based on:
Q
temp
′
=
⌈
O
·
M
sc
PUSCH
-
initial
(
1
)
·
N
symb
PUSCH
-
initial
(
1
)
·
M
sc
PUSCH
-
initial
(
2
)
·
N
symb
PUSCH
-
initial
(
2
)
·
β
offset
PUSCH
∑
r
=
0
C
(
1
)
-
1
K
r
(
1
)
·
M
sc
PUSCH
-
initial
(
2
)
·
N
symb
PUSCH
-
initial
(
2
)
+
∑
r
=
0
C
(
2
)
-
1
K
r
(
2
)
·
M
sc
PUSCH
-
initial
(
1
)
·
N
symb
PUSCH
-
initial
(
1
)
⌉
where, ┐ ┌ denotes a ceiling function that rounds a number to its next integer, O denotes the number of bits of the UCI, M sc PUSCH-initial(j) denotes scheduled bandwidths for an initial PUSCH transmission for a related TB, N symb PUSCH-initial(j) denotes the number of Single-Carrier Frequency Division Multiple Access symbols per sub-frame in an initial PUSCH transmission for the related TB, β offset PUSCH denotes the offset of the PUSCH, C denotes a total number of code blocks of the related TB, K r j denotes the number of bits for a code block r in TB j , j denotes a TB, and j=0,1.
7. The apparatus of claim 6 , wherein the number of coded modulation symbols per layer is determined based on:
min( Q′ temp ,4· M sc PUSCH )
where, M sc PUSCH denotes scheduled bandwidths for a PUSCH transmission in a current sub-frame for a TB.
8. The apparatus of claim 5 , wherein the UCI includes a Hybrid Automatic Repeat reQuest (HARQ)-Acknowledgement (ACK) or a Rank Indicator (RI).
9. A method for receiving Uplink Control Information (UCI) through a Physical Uplink Shared Channel (PUSCH), the method comprising:
receiving a signal;
generating data bits and UCI bits based on de-multiplexing the received signal; and
decoding the data bits and the UCI bits, respectively,
wherein the PUSCH includes two Transport Blocks (TBs), and
wherein a number of coded modulation symbols per layer of the UCI is determined based on a value related to a number of bits in at least one code block of a first TB, a number of Single-Carrier Frequency Division Multiple Access symbols of the first TB, scheduled bandwidth for the first TB, a value related to a number of bits in at least one code block size of a second TB, a number of Single-Carrier Frequency Division Multiple Access symbols of the second TB, scheduled bandwidth for the second TB, a number of bits of the UCI, and an offset of the PUSCH.
10. The method of claim 9 , wherein a parameter, Q′ temp , which is representative of the number of coded modulation symbols per layer, is determined based on:
Q
temp
′
=
⌈
O
·
M
sc
PUSCH
-
initial
(
1
)
·
N
symb
PUSCH
-
initial
(
1
)
·
M
sc
PUSCH
-
initial
(
2
)
·
N
symb
PUSCH
-
initial
(
2
)
·
β
offset
PUSCH
∑
r
=
0
C
(
1
)
-
1
K
r
(
1
)
·
M
sc
PUSCH
-
initial
(
2
)
·
N
symb
PUSCH
-
initial
(
2
)
+
∑
r
=
0
C
(
2
)
-
1
K
r
(
2
)
·
M
sc
PUSCH
-
initial
(
1
)
·
N
symb
PUSCH
-
initial
(
1
)
⌉
where, ┐ ┌ denotes a ceiling function that rounds a number to its next integer, O denotes the number of bits of the UCI, M sc PUSCH-initial(j) denotes scheduled bandwidths for an initial PUSCH transmission for a related TB, N symb PUSCH-initial(j) denotes the number of Single-Carrier Frequency Division Multiple Access symbols per sub-frame in an initial PUSCH transmission for the related TB, β offset PUSCH denotes the offset of the PUSCH, C denotes a total number of code blocks of the related TB, K r j denotes the number of bits for a code block r in TB j , j denotes a TB, and j=0,1.
11. The method of claim 10 , wherein the number of coded modulation symbols per layer is determined based on:
min( Q′ temp ,4· M sc PUSCH )
where, M sc PUSCH denotes scheduled bandwidths for a PUSCH transmission in a current sub-frame for a TB.
12. The method of claim 9 , wherein the UCI includes a Hybrid Automatic Repeat reQuest (HARQ)-Acknowledgement (ACK) or a Rank Indicator (RI).
13. An apparatus for receiving Uplink Control Information (UCI) through a Physical Uplink Shared Channel (PUSCH), the apparatus comprising:
a receiver that receives a signal and generates data bits and UCI bits based on de-multiplexing the received signal; and
a decoder that decodes the data bits and the UCI bits, respectively,
wherein the PUSCH includes two Transport Blocks (TBs), and
wherein a number of coded modulation symbols per layer of the UCI is determined based on a value related to a number of bits in at least one code block of a first TB, a number of Single-Carrier Frequency Division Multiple Access symbols of the first TB, scheduled bandwidth for the first TB, a value related to a number of bits in at least one code block of a second TB, a number of Single-Carrier Frequency Division Multiple Access symbols of the second TB, scheduled bandwidth for the second TB, a number of bits of the UCI, and an offset of the PUSCH.
14. The apparatus of claim 13 , wherein a parameter, Q′ temp , which is representative of the number of coded modulation symbols per layer, is determined based on:
Q
temp
′
=
⌈
O
·
M
sc
PUSCH
-
initial
(
1
)
·
N
symb
PUSCH
-
initial
(
1
)
·
M
sc
PUSCH
-
initial
(
2
)
·
N
symb
PUSCH
-
initial
(
2
)
·
β
offset
PUSCH
∑
r
=
0
C
(
1
)
-
1
K
r
(
1
)
·
M
sc
PUSCH
-
initial
(
2
)
·
N
symb
PUSCH
-
initial
(
2
)
+
∑
r
=
0
C
(
2
)
-
1
K
r
(
2
)
·
M
sc
PUSCH
-
initial
(
1
)
·
N
symb
PUSCH
-
initial
(
1
)
⌉
where, ┐ ┌ denotes a ceiling function that rounds a number to its next integer, O denotes the number of bits of the UCI, M sc PUSCH-initial(j) denotes scheduled bandwidths for an initial PUSCH transmission for a related TB, N symb PUSCH-initial(j) denotes the number of Single-Carrier Frequency Division Multiple Access symbols per sub-frame in an initial PUSCH transmission for the related TB, β offset PUSCH denotes the offset of the PUSCH, C denotes a total number of code blocks of the related TB, K r j denotes the number of bits for a data code block r in TB j , j denotes a TB, and j=0,1.
15. The apparatus of claim 13 , wherein the number of coded modulation symbols per layer is determined based on:
min( Q′ temp ,4· M sc PUSCH )
where, M sc PUSCH denotes scheduled bandwidths for a PUSCH transmission in a current sub-frame for a TB.
16. The apparatus of claim 13 , wherein the UCI includes a Hybrid Automatic Repeat reQuest (HARQ)-Acknowledgement (ACK) or a Rank Indicator (RI).