레일리 페이딩 채널에서 Multi-Carrier DS-CDMA 시스템의 Throughput 해석

• 김영철 (한국항공대학교 항공기술교육원) ;
• 노재성 (서일대학교 정보통신과) ;
• 강희조 (동신대학교 전기전자공학부) ;
• 조성준 (한국항공대학교 전자정보통신컴퓨터공학부)
• Published : 2001.10.01

Abstract

ALOHA Multi-Carrier DS-CDMA systems in the multipath Rayleigh fading channel. The throughput of two systems are compared according to the length of a packet in the fast Rayleigh and the slow Rayleigh multipath fading. As a result, we have known that Multi-Carrier DS-CDMA system has less capacity than wideband DS-CDMA system in the same bandwidth, but throughput of Multi-Carrier DS-CDMA system is higher than that of wideband DS-CDMA system. And in Multi-Carrier DS-CDMA systems, higher throughput can be obtained through shortening the length of packet in the fast Rayleigh fading, and it is efficient to control the length of a packet adequately or increase the system capacity of Multi-Carrier DS-CDMA system in the slow Rayleigh fading.