| 54 |
Titel |
TI |
[DE] Phasenumtastungsmodulator (PSK) zur Verringerung des Verhältnisses von Spitzen-zu Durchschnittsleistung
[EN] Phase shift keying (PSK) modulator capable of reducing the peak to average power ratio
[FR] Modulateur par déplacement de phase (PSK) capable de réduire le rapport puissance crête/puissance moyenne |
| 71/73 |
Anmelder/Inhaber |
PA |
LUCENT TECHNOLOGIES INC, US
|
| 72 |
Erfinder |
IN |
FISCHER GEORG DR, DE
;
RITTER KAI UWE, DE
|
| 22/96 |
Anmeldedatum |
AD |
23.04.2001 |
| 21 |
Anmeldenummer |
AN |
01303680 |
|
Anmeldeland |
AC |
EP |
|
Veröffentlichungsdatum |
PUB |
30.10.2002 |
33
31
32 |
Priorität |
PRC
PRN
PRD |
|
| 51 |
IPC-Hauptklasse |
ICM |
H04L 27/20
|
| 51 |
IPC-Nebenklasse |
ICS |
|
|
IPC-Zusatzklasse |
ICA |
|
|
IPC-Indexklasse |
ICI |
|
|
Gemeinsame Patentklassifikation |
CPC |
H04L 27/2017
H04L 27/2078
|
|
MCD-Hauptklasse |
MCM |
|
|
MCD-Nebenklasse |
MCS |
H04L 27/20
(2006.01)
|
|
MCD-Zusatzklasse |
MCA |
|
| 57 |
Zusammenfassung |
AB |
[EN] An apparatus for transmitting multistage phase shift keying signals comprising a symbol stream, interpolation and pulse shaping means (4), and digital-to-analog converting means (5) for providing an analog base band transmit signal. A displacing means (3) for producing displaced symbols from the symbol stream is arranged at the input of the interpolation and pulse shaping means (4) and includes detecting means (14 ... 17) for detecting predetermined symbol sequences in the symbol stream. If such symbol sequences are detected, displaced symbols (S3', S3") are produced with a view to avoid peak power at the analog base band transmit signal or to avoid crossing near zero power. <IMAGE> |
| 56 |
Entgegengehaltene Patentdokumente/Zitate,
in Recherche ermittelt |
CT |
EP000000797323A1
GB000002300545A
US000005222104A
US000005930299A
|
| 56 |
Entgegengehaltene Patentdokumente/Zitate,
vom Anmelder genannt |
CT |
|
| 56 |
Entgegengehaltene Nichtpatentliteratur/Zitate,
in Recherche ermittelt |
CTNP |
|
| 56 |
Entgegengehaltene Nichtpatentliteratur/Zitate,
vom Anmelder genannt |
CTNP |
|
|
Zitierende Dokumente |
|
Dokumente ermitteln
|
|
Sequenzprotokoll |
|
|
|
Prüfstoff-IPC |
ICP |
H04L 27/20
|
