Design of Reed-Solomon frequency-time hopping sequences

Author

Correia, Américo M C

Author_Institution

Dept. de Engenharia Electrotecnica e de Comput., Inst. Superior Tecnico, Lisbon, Portugal

Volume

3

fYear

1998

fDate

2-4 Sep 1998

Firstpage

982

Abstract

This article considers a hybrid TDMA/FDMA with and without CDMA multiple access system where joint frequency and time hopping sequences are employed to improve the system performance. The system is a proposal for a UMTS radio access system (named FRAMES Multiple Access (FMA)) and is based on wideband TDMA with and without spreading (CDMA component). The users are orthogonally separated into time slots (in each cell), and within each time slot an additional separation by spreading codes can be used. This paper deals with how to design hopping sequences as orthogonal as possible

Keywords

Reed-Solomon codes; access protocols; binary sequences; code division multiple access; frequency division multiple access; frequency hop communication; land mobile radio; spread spectrum communication; time division multiple access; CDMA; FRAMES Multiple Access; Reed-Solomon frequency-time hopping sequences; UMTS radio access system; hybrid TDMA/FDMA; multiple access system; orthogonal hopping sequences design; packet access protocol; spreading; spreading codes; system performance; time slots; wideband TDMA; Channel spacing; Downlink; Frequency; GSM; Media Access Protocol; Multiaccess communication; Reed-Solomon codes; Telecommunications; Throughput; Time division multiple access;

fLanguage

English

Publisher

ieee

Conference_Titel

Spread Spectrum Techniques and Applications, 1998. Proceedings., 1998 IEEE 5th International Symposium on

Conference_Location

Sun City

Print_ISBN

0-7803-4281-X

Type

conf

DOI

10.1109/ISSSTA.1998.722526

Filename

722526