Title :
New ternary spreading codes with zero-correlation duration for approximately synchronized CDMA
Author :
Cha, Jae-Sang ; Tsubouchi, Kazuo
Author_Institution :
Lab. 161, Taejon, South Korea
Abstract :
In this paper, ternary ZCD (zero-correlation duration) sequences are proposed as the new spreading codes. Novel ternary ZCD sequences sets are generated by carrying out a chip-shift operation of the ternary preferred pairs (TPP) with ZCD of (0.75 N-1) chips. Proposed ternary ZCD sequences have superior family size than the binary ZCD sequences and they are effective for approximately synchronized (AS) CDMA
Keywords :
code division multiple access; sequences; ternary codes; approximately synchronized CDMA; chip-shift operation; spreading codes; ternary ZCD sequences sets; ternary preferred pairs; ternary spreading codes; zero-correlation duration; Autocorrelation; Binary codes; Broadcast technology; Broadcasting; Interchannel interference; Laboratories; Mobile communication; Multiaccess communication; Radiofrequency interference; Telephony;
Conference_Titel :
Industrial Electronics, 2001. Proceedings. ISIE 2001. IEEE International Symposium on
Conference_Location :
Pusan
Print_ISBN :
0-7803-7090-2
DOI :
10.1109/ISIE.2001.931805
