Data rate improvement with dynamic reassignment of spreading codes for DS-CDMA

Authors:
Rujipun Assarut;Milda G Husada;Ushio Yamamoto;Yoshikuni Onozato
Affiliations:
Department of Computer Science, Gunma University, Kiryu, Gunma 376, Japan;Department of Computer Science, Gunma University, Kiryu, Gunma 376, Japan;Department of Computer Science, Gunma University, Kiryu, Gunma 376, Japan;Department of Computer Science, Gunma University, Kiryu, Gunma 376, Japan
Venue:
Computer Communications
Year:
2002

Citing 2
Cited 0

Wideband DS-CDMA for next-generation mobile communications systems

IEEE Communications Magazine
Dynamic assignment of orthogonal variable-spreading-factor codes in W-CDMA

IEEE Journal on Selected Areas in Communications

Quantified Score

Hi-index	0.24

Visualization

Abstract

We investigate a dynamic reassignment of spreading codes for DS-CDMA systems by reconstructing the code tree, according to the number of users in the system. The system may provide the maximum transmission rate in the homogeneous communication situation, where only delay-tolerant services are supported. The improvement on average data rate when using the reassignment scheme compared to the system without applying it is calculated. The simulation results are also given to demonstrate the effectiveness of the proposed scheme.