SC-FDMA
E495270
SC-FDMA (Single-Carrier Frequency Division Multiple Access) is a multi-carrier transmission scheme used primarily in LTE uplink that combines single-carrier characteristics with frequency-domain equalization to achieve lower peak-to-average power ratio than OFDM.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| SC-FDMA-based LTE uplink | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
multi-carrier modulation scheme
ⓘ
multiple access scheme ⓘ uplink transmission scheme ⓘ |
| abbreviationOf | Single-Carrier Frequency Division Multiple Access NERFINISHED ⓘ |
| advantageOver |
OFDM in PAPR performance
ⓘ
OFDM in uplink power efficiency ⓘ |
| alsoKnownAs |
DFT-S-OFDM
NERFINISHED
ⓘ
DFT-spread OFDM NERFINISHED ⓘ Single-Carrier DFT-Spread OFDM NERFINISHED ⓘ |
| appliedIn |
mobile broadband services
ⓘ
packet-switched data transmission ⓘ |
| basedOn | DFT-spread OFDM NERFINISHED ⓘ |
| belongsTo | OFDMA-based systems family ⓘ |
| comparedTo | OFDM NERFINISHED ⓘ |
| designedFor | uplink transmission from user equipment to base station ⓘ |
| enables |
extended battery life in mobile devices
ⓘ
use of power-efficient RF power amplifiers in user equipment ⓘ |
| fullName | Single-Carrier Frequency Division Multiple Access NERFINISHED ⓘ |
| hasGoal |
improve power amplifier efficiency
ⓘ
maintain OFDM-like frequency-domain flexibility ⓘ reduce uplink PAPR ⓘ |
| hasProperty |
frequency-domain equalization
ⓘ
low peak-to-average power ratio ⓘ lower PAPR than OFDM ⓘ multi-user access capability ⓘ robustness to frequency-selective fading ⓘ single-carrier characteristics ⓘ |
| operatesIn | frequency-selective channels ⓘ |
| relatedTo |
FDMA
NERFINISHED
ⓘ
OFDMA NERFINISHED ⓘ SC-FDE (Single-Carrier with Frequency-Domain Equalization) NERFINISHED ⓘ |
| requires |
channel estimation at receiver
ⓘ
cyclic prefix ⓘ |
| standardizedIn |
3GPP LTE Release 8
NERFINISHED
ⓘ
3GPP TS 36.211 NERFINISHED ⓘ |
| supports |
distributed subcarrier mapping
ⓘ
interleaved FDMA (IFDMA) ⓘ localized FDMA (LFDMA) ⓘ localized subcarrier mapping ⓘ |
| usedBy |
LTE eNodeB receivers
ⓘ
LTE user equipment ⓘ |
| usedIn |
3GPP LTE
NERFINISHED
ⓘ
4G mobile communication systems ⓘ E-UTRA uplink ⓘ LTE uplink ⓘ |
| uses | cyclic prefix for combating inter-symbol interference ⓘ |
| usesDomain | frequency domain equalization ⓘ |
| usesTransform |
Discrete Fourier Transform
NERFINISHED
ⓘ
Inverse Fast Fourier Transform NERFINISHED ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
SC-FDMA-based LTE uplink