1 AIT Asian Institute of Technology

Algorithms for the selection of Direct Sequence Spread Spectrum Multiple Access (DS/SSMA) signature sequences

AuthorRuengwit Sirikuptakes
Call NumberAIT RSPR no.TC-93-06
Subject(s)Spread spectrum communications

NoteA research submitted in partial fulfillment of the requirement for the degree of Master of Engineering
PublisherAsian Institute of Technology
AbstractSorting algorithms have been proposed for finding subsets of Direct Sequence Spread Spectrum Multiple Access (DS/SSMA) signature sequences with small cross-correlation magnitudes. Two algorithms, the Discarding (DS)-Algorithm and the Enhancing (ES)-Algorithm, have been used to investigate the performance of the subset mean AIP value under worst case interference conditions. Based on an AIP testing criterion, the ES-Algorithm used in conjunction with the Maximum Sidelobe Energy (MSE) initial phase condition has successfully achieved smaller subset mean AIP values when the subset size is small. The Signal-to-Noise Ratio (SNR) is used as a measure at the correlator output. The SNR performance of mean AIP subsets using both algorithms is evaluated and compared with expected values for random binary sequences.
Year1993
TypeResearch Study Project Report (RSPR)
SchoolSchool of Engineering and Technology (SET)
DepartmentDepartment of Information and Communications Technologies (DICT)
Academic Program/FoSTelecommunications (TC)
Chairperson(s)O'Farrell, Timothy;
Examination Committee(s)Lochmann, Steffen;Alku, Paavo;
Scholarship Donor(s)Nokia Telecommunications;
DegreeResearch Studies Project Report (M.Eng.) - Asian Institute of Technology, 1993


Usage Metrics
View Detail0
Read PDF0
Download PDF0