Proposal of a time-hopping modified multipulse PPM system with restricted amplitude levels

Author

Ono, Fumie ; Habuchi, Hiromasa

Author_Institution

Tokyo Univ. of Sci., Japan

fYear

2004

fDate

30 Aug.-2 Sept. 2004

Firstpage

812

Lastpage

816

Abstract

A time-hopping modified pulse spacing modulation system with restricted amplitude levels is proposed. The proposed system combines multipulse pulse position modulation (MPPM) with code shift keying. The average frame length of the transmitted signal for the proposed system not only becomes shorter than that for the MPPM system, but the amplitude of the transmitted signal is restricted to 2 levels. The basic performance of the proposed system is evaluated by theoretical analysis. As a result, the data transmission rate of the proposed system is 2.4 times higher than that of the spread-spectrum pulse position modulation (SS-PPM) system. The probability of block error that takes into account the synchronization performance can reach the lower bound by making use of the preamble signal. Moreover, the spectral efficiency of the proposed system is 1.8 times greater than that of the SS-PPM system.

Keywords

error statistics; pulse position modulation; signal processing; spread spectrum communication; synchronisation; block error probability; code shift keying; data transmission rate; multipulse pulse position modulation; preamble signal; pulse spacing modulation; restricted amplitude levels; spectral efficiency; spread-spectrum pulse position modulation; synchronization performance; time-hopping modified multipulse PPM system; Amplitude modulation; Bit error rate; Data communication; Digital modulation; Error analysis; Modulation coding; Performance analysis; Proposals; Pulse modulation; Spread spectrum communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Spread Spectrum Techniques and Applications, 2004 IEEE Eighth International Symposium on

Print_ISBN

0-7803-8408-3

Type

conf

DOI

10.1109/ISSSTA.2004.1371813

Filename

1371813