A comparison of multiple access techniques in the presence of narrowband interference

Author

Moeneclaey, Marc ; Van Bladel, Mark ; Sari, Hikmet

Author_Institution

Commun. Eng. Lab., Ghent Univ., Belgium

fYear

1998

fDate

29 Sep-2 Oct 1998

Firstpage

223

Lastpage

228

Abstract

This paper presents a comparison of several multiple access techniques in the presence of narrow-band interference. The analysis covers time-division multiple access (TDMA), code-division multiple access (CDMA), and orthogonal frequency-division multiple access (OFDMA). The results indicate that contrary to a common belief, CDMA with pseudo-noise spreading sequences is more sensitive to narrowband interference than is TDMA. Another finding is that orthogonal CDMA behaves similarly to OFDMA in the sense that the degradation is not the same for all users. Finally, the results confirm the superiority of OFDMA to all other multiple access techniques in this environment

Keywords

code division multiple access; frequency division multiple access; jamming; pseudonoise codes; spread spectrum communication; time division multiple access; CDMA; OFDMA; TDMA; code-division multiple access; degradation; multiple access techniques; narrowband interference; orthogonal CDMA; orthogonal frequency-division multiple access; pseudo-noise spreading sequences; time-division multiple access; AWGN; Bandwidth; Base stations; Interference; Multiaccess communication; Narrowband; OFDM modulation; Robustness; Time division multiple access; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

Signals, Systems, and Electronics, 1998. ISSSE 98. 1998 URSI International Symposium on

Conference_Location

Pisa

Print_ISBN

0-7803-4900-8

Type

conf

DOI

10.1109/ISSSE.1998.738071

Filename

738071