10.1.5 SC-FDMA baseband signal generation
36.2113GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Physical channels and modulationRelease 17TS
For , the time-continuous signal
in SC-FDMA symbol
in a slot is defined by clause 5.6 with the quantity
replaced by
.
For , the time-continuous signal
for sub-carrier index
in SC-FDMA symbol
in an uplink slot is defined by
for where parameters for
and
are given in Table 10.1.5-1,
is the modulation value of symbol
, and the phase rotation
is defined by
where is the number of transport blocks defined in 16.5.1 of TS 36.213 [4]. If >1 and interleaving between codewords is applied according to clause 16.5.1 of TS 36.213 [4], then the symbol counter is reset at the start of the first NPUSCH codeword transmission and incremented for each symbol during the transmission of the NPUSCH codewords. For other cases, the symbol counter
is reset to 0 at the start of each NPUSCH codeword transmission and incremented for each symbol during the transmission of the NPUSCH codeword.
Table 10.1.5-1: SC-FDMA parameters for
|
Parameter |
|
|
|
|
8192 |
2048 |
|
Cyclic prefix length |
256 |
|
|
Set of values for |
-24,-23,…,23 |
-6,-5,…,5 |
The SC-FDMA symbols in a slot shall be transmitted in increasing order of , starting with
, where SC-FDMA symbol
starts at time
within the slot. For
, the remaining
in
are not transmitted and used for guard period.
Only normal CP is supported for Narrowband IoT uplink in this release of the specification.