6.2.7 Data and control multiplexing
38.2123GPPMultiplexing and channel codingNRRelease 17TS
Denote the coded bits for UL-SCH as 
.
Denote the coded bits for HARQ-ACK or jointly coded bits for HARQ-ACK and CG-UCI when the high layer parameter cg-UCI-Multiplexing is configured, if any, as 
.
Denote the coded bits for CSI part 1, if any, as 
.
Denote the coded bits for CSI part 2, if any, as 
.
Denote the coded bits for CG-UCI without HARQ-ACK, if any, as .
Denote the multiplexed data and control coded bit sequence as 
.
Denote 
as the OFDM symbol index of the scheduled PUSCH, starting from 0 to 
, where 
is the total number of OFDM symbols of the PUSCH, including all OFDM symbols used for DMRS.
Denote 
as the subcarrier index of the scheduled PUSCH, starting from 0 to 
, where 
is expressed as a number of subcarriers.
Denote 
as the set of resource elements, in ascending order of indices 
, available for transmission of data in OFDM symbol 
, for 
.
Denote 
as the number of elements in set 
. Denote 
as the 
-th element in 
.
Denote 
as the set of resource elements, in ascending order of indices 
, available for transmission of UCI in OFDM symbol 
, for 
. Denote 
as the number of elements in set 
. Denote 
as the 
-th element in 
. For any OFDM symbol that carriers DMRS of the PUSCH, 
. For any OFDM symbol that does not carry DMRS of the PUSCH, 
.
If frequency hopping is configured for the PUSCH,
– denote 
as the OFDM symbol index of the first OFDM symbol after the first set of consecutive OFDM symbol(s) carrying DMRS in the first hop;
– denote 
as the OFDM symbol index of the first OFDM symbol after the first set of consecutive OFDM symbol(s) carrying DMRS in the second hop.
– denote 
as the OFDM symbol index of the first OFDM symbol that does not carry DMRS in the first hop;
– denote 
as the OFDM symbol index of the first OFDM symbol that does not carry DMRS in the second hop;
– if HARQ-ACK is present for transmission on the PUSCH with UL-SCH or if both HARQ-ACK and CG-UCI are present on the same PUSCH with UL-SCH, let
– 
and 
;
– if CSI is present for transmission on the PUSCH with UL-SCH, let
– 
;
– 
;
– 
; and
– 
;
– if CG-UCI is present for transmission on the PUSCH with UL-SCH and without HARQ-ACK, let
– and
– if only HARQ-ACK and CSI part 1 are present for transmission on the PUSCH without UL-SCH, let
– 
;
– 
;
– 
; and
– 
;
– if HARQ-ACK, CSI part 1 and CSI part 2 are present for transmission on the PUSCH without UL-SCH, let
– 
;
– 
;
– if the number of HARQ-ACK information bits is more than 2,
; otherwise, 
– 
;
– 
if the number of HARQ-ACK information bits is no more than 2, and 
otherwise; and
– 
if the number of HARQ-ACK information bits is no more than 2, and 
otherwise;
– if only CSI part 1 and CSI part 2 are present for transmission on the PUSCH without UL-SCH, let
– 
;
– 
;
– 
; and
– 
;
– let 
, and denote 
, 
as the number of OFDM symbols of the PUSCH in the first and second hop, respectively;
– 
is the number of transmission layers of the PUSCH;
– 
is the modulation order of the PUSCH;
– 
;
– 
– 
.
If frequency hopping is not configured for the PUSCH,
– denote 
as the OFDM symbol index of the first OFDM symbol after the first set of consecutive OFDM symbol(s) carrying DMRS;
– denote 
as the OFDM symbol index of the first OFDM symbol that does not carry DMRS;
– if HARQ-ACK is present for transmission on the PUSCH or if both HARQ-ACK and CG-UCI are present on the same PUSCH with UL-SCH, let 
;
– if CSI is present for transmission on the PUSCH, let 
and 
;
– if CG-UCI is present for transmission on the PUSCH without HARQ-ACK, let ;
– let 
and 
.
The multiplexed data and control coded bit sequence 
is obtained according to the following:
Step 1:
Set 
for 
;
Set 
for 
;
Set 
for 
;
Set 
for 
;
if the number of HARQ-ACK information bits to be transmitted on PUSCH is 0, 1 or 2 bits and without CG-UCI
the number of reserved resource elements for potential HARQ-ACK transmission is calculated according to Clause 6.3.2.4.2.1, by setting 
;
denote 
as the number of coded bits for potential HARQ-ACK transmission using the reserved resource elements;
if frequency hopping is configured for the PUSCH, let 
and 
;
if frequency hopping is not configured for the PUSCH, let 
;
denote 
as the set of reserved resource elements for potential HARQ-ACK transmission, in OFDM symbol 
, for 
;
Set 
;
Set 
;
for 
;
for 
to 
;
while 
if 
if 
;
;
end if
if 
;
;
end if
for 
to 
;
end for
end if
;
end while
end for
else
for 
;
end if
Denote 
as the number of elements in 
.
Step 2:
if HARQ-ACK is present for transmission on the PUSCH and the number of HARQ-ACK information bits is more than 2 or if both HARQ-ACK and CG-UCI are present on the same PUSCH with UL-SCH,
Set 
;
Set 
;
Set 
;
for 
to 
;
while 
if 
if 
;
;
end if
if 
;
;
end if
for 
to 
;
for 
to 
;
;
;
end for
end for
;
for 
to 
;
end for
;
;
;
;
end if
;
end while
end for
end if
Step 2A:
If CG-UCI is present for transmission on the PUSCH without HARQ-ACK,
Set ;
Set ;
Set ;
for to
;
while ()
if
if
;
;
end if
if
;
;
end if
for to
;
for to
;
;
;
end for
end for
;
for to
;
end for
;
;
;
;
end if
;
end while
end for
end if
Step 3:
if CSI is present for transmission on the PUSCH,
Set 
;
Set 
;
Set 
;
for 
to 
;
while 
;
end while
while 
if 
if 
;
;
end if
if 
;
;
end if
;
for 
to 
;
for 
to 
;
;
;
end for
end for
;
for 
to 
;
end for
;
;
;
;
end if
;
end while
end for
Set 
;
Set 
;
Set 
;
for 
to 
;
while 
;
end while
while 
if 
if 
;
;
end if
if 
;
;
end if
for 
to 
;
for 
to 
;
;
;
end for
end for
;
for 
to 
;
end for
;
;
;
;
end if
;
end while
end for
end if
Step 4:
if UL-SCH is present for transmission on the PUSCH,
Set 
;
for 
to 
if 
for 
to 
;
for 
to 
;
;
end for
end for
end if
end for
end if
Step 5:
if HARQ-ACK is present for transmission on the PUSCH without CG-UCI and the number of HARQ-ACK information bits is no more than 2,
Set 
;
Set 
;
Set 
;
for 
to 
;
while 
if 
if 
;
;
end if
if 
;
;
end if
for 
to 
;
for 
to 
;
;
;
end for
end for
end if
;
end while
end for
end if
Step 6:
Set 
;
for 
to 
for 
to 
;
for 
to 
;
;
end for
end for
end for