IMPROVED SPECTRAL EFFICIENCY IN MULTI-CARRIER DS/CDMA COMMUNICATIONS METHOD FOR MARINE COMMUNICATION

PURPOSE: A frequency efficiency improving method in MC DS-CDMA(Multi-Carrier Direct Sequence Code Division Multiple Access) is provided to maintain target transmission quality by adaptively controlling transmission rates in a time domain. CONSTITUTION: Transmission power is allocated to a sub-channe...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	PARK, MIN SU, KIM, GYEONG HO, YOON, SEOK HO, HAM, JI HOON, LEE, SEONG RO, YANG, HU YEOL, CHOI, JO CHEON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PURPOSE: A frequency efficiency improving method in MC DS-CDMA(Multi-Carrier Direct Sequence Code Division Multiple Access) is provided to maintain target transmission quality by adaptively controlling transmission rates in a time domain. CONSTITUTION: Transmission power is allocated to a sub-channel including a maximum channel gain in MC DS-CDMA communication. Transmission rates are adaptively controlled in a time domain for maintaining transmission quality. A reception power gain is multiplied by the correlator output of an m channel in a coupling step of a reception signal. A beta value is used for a reception power gain value. A combiner of the user generates the amount of determination statistic.