Frequency-hopped multiple-access communications with noncoherent M-ary OFDM-ASK

被引：32

作者：

Al-Dweik, A ^{[1
]}

Xiong, F

机构：

[1] Arab Amer Univ, Telecommun Technol Dept, Fac Informat Technol, IL-6132 Nazareth, Israel

[2] Cleveland State Univ, Dept Elect & Comp Engn, Cleveland, OH 44115 USA

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2003年 / 51卷 / 01期

关键词：

amplitude-shift keying (ASK); frequency hopping (FH); M-ary amplitude-shift keying (MASK); noncoherent; orthogonal frequency-division multiplexing (OFDM); Rayleigh channels;

D O I：

10.1109/TCOMM.2002.807620

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A noncoherent, bandwidth-efficient modulation scheme is proposed for frequency-hopping multiple-access (FH-MA) networks. The proposed scheme is a combination of noncoherent M-ary amplitude-shift keying (NMASK) and orthogonal frequency-division multiplexing (OFDM). Using this scheme will minimize the required data bandwidth. The number of frequency. slots available to the users will increase significantly for a fixed spread-spectrum bandwidth (BWSS). The effect of the multiple-access interference will be reduced. Simple and accurate bit error rate expressions have been derived for FH-OFDM-MASK in additive white Gaussian noise channels and for FH-OFDM-ASK in Rayleigh fading channels.

引用

页码：33 / 36

页数：4

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