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Titolo:
ORTHOGONAL MULTICODE OFDM-DS CDMA SYSTEM USING PARTIAL BANDWIDTH TRANSMISSION/
Autore:
TAKEDA D; ATARASHI H; NAKAGAWA M;
Indirizzi:
TOSHIBA CO LTD YOKOHAMA KANAGAWA JAPAN KEIO UNIV,FAC SCI & TECHNOL YOKOHAMA KANAGAWA 223852 JAPAN
Titolo Testata:
IEICE transactions on communications
fascicolo: 11, volume: E81B, anno: 1998,
pagine: 2183 - 2190
SICI:
0916-8516(1998)E81B:11<2183:OMOCSU>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
CDMA SYSTEM;
Keywords:
OFDM-DS/CDMA; RAKE; FREQUENCY SELECTIVE FADING; PARTIAL BANDWIDTH TRANSMISSION; PACKET COMMUNICATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
16
Recensione:
Indirizzi per estratti:
Citazione:
D. Takeda et al., "ORTHOGONAL MULTICODE OFDM-DS CDMA SYSTEM USING PARTIAL BANDWIDTH TRANSMISSION/", IEICE transactions on communications, E81B(11), 1998, pp. 2183-2190

Abstract

In this paper, Orthogonal Multicode OFDM-DS/COMA system using PartialBandwidth Transmission is proposed. By using the flexible carrier allocation of OFDM, Partial Bandwidth Transmission is considered for highquality communication. Furthermore, multicode packet data transmission is presented. Multicode packet data transmission is very effective to handle variable data. Since the proposed system can detect the header information without complex control, it is also suitable for packet data transmission. The computer simulation results show that the BER performance of the proposed system with the ideal channel estimation isimproved compared with the case of the conventional Orthogonal Multicode DS/CDMA system with ideal RAKE receivers. Moreover the proposed system with the channel estimation by MLS algorithm also shows the good BER performance. In packet data transmission, the delay and throughputperformances are also improved in the proposed system.

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Documento generato il 12/07/20 alle ore 06:22:18