Title :
Network performance of time spread PPM/CDMA systems
Author :
Zhou, Xuping ; Oka, Ikno ; Fujiwara, Chusei
Author_Institution :
Fac. of Eng., Osaka City Univ., Japan
Abstract :
A model for time spread-pulse position modulation (TS-PPM)/code division multiple access (CDMA) systems is presented. A TS signal is produced by a TS-filter, whose characteristic is a pseudonoise sequence in the frequency domain. The error probability performance is analyzed and compared with those of on-off keying (OOK) and binary phase shift keying (BPSK). It is shown that at the same transmission speed TS-PPM is superior to TS-OOK and TS-BPSK due to the dramatic decrease of multiple access interference. The throughput of the network is analyzed, and its relation to the length of pseudonoise sequence and the packet length is also discussed
Keywords :
code division multiple access; packet radio networks; pulse position modulation; radiofrequency filters; telecommunication traffic; BPSK; OOK; TS-BPSK; TS-OOK; TS-PPM CDMA system; TS-filter; binary phase shift keying; error probability performance; frequency domain; multiple access interference; on-off keying; packet length; pseudonoise sequence; radio network throughput; time spread pulse position modulation code division multiple access; Envelope detectors; Error probability; Filters; Multiaccess communication; Programmable control; Radio frequency;
Conference_Titel :
Singapore ICCS/ISITA '92. 'Communications on the Move'
Print_ISBN :
0-7803-0803-4
DOI :
10.1109/ICCS.1992.255126
