Multiple hops/symbol fast frequency-hopping spread spectrum multiple access with coding for indoor radio
- 1 January 1992
- journal article
- Published by Institution of Engineering and Technology (IET) in IEE Proceedings I Communications, Speech and Vision
- Vol. 139 (1) , 95-102
- https://doi.org/10.1049/ip-i-2.1992.0014
Abstract
The paper is concerned with the bit error rate (BER) performance of multiple hops/ symbol fast-frequency-hopped spread-spectrum multiple-access (FFH-SSMA) systems operating through an indoor radio multipath Rayleigh fading channel. M-ary frequency-shift-keying (MFSK) modulation with noncoherent square-law envelope demodulation and Reed-Solomon (RS) coding is considered. Results obtained in this study show that an FFH-SSMA system is not sensitive to the changes in the number of paths. Employing RS coding with an increased number M of MFSK signals yields a significant improvement in BER performance. Assuming a given system bandwidth, using a single hop per symbol is the best solution when the multiaccess interference can be large. Using several hops per symbol is more advantageous when the multiaccess interference is small.Keywords
This publication has 1 reference indexed in Scilit:
- Spread-Spectrum Multiple-Access CommunicationsPublished by Springer Nature ,1981