Performance analysis of an enhanced DQRUMA/MC-CDMA protocol for voice traffic

Author

Park, Jae Yoon ; Nam, Seung Yeob ; Sung, Dan Keun

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Daejon, South Korea

Volume

52

Issue

2

fYear

2003

fDate

3/1/2003 12:00:00 AM

Firstpage

440

Lastpage

455

Abstract

The original distributed-queueing request update multiple-access (DQRUMA)/multicode code-division multiple-access (MC-CDMA) protocol was developed as a channel access protocol for wireless packet CDMA networks. This protocol has recently attracted considerable attention. We modify the original protocol, which was designed for data traffic only, to additionally accommodate voice traffic and call it the A-Protocol. We propose a new packet CDMA protocol that enhances the A-Protocol by improving the utilization of receivers in a base station and call it the E-Protocol. In the E-Protocol, an access request is attempted with a randomly chosen code at a request minislot. We analytically evaluate the performance of both protocols and compare analytical results with computer simulation. Analytical results agree well with simulation results.

Keywords

3G mobile communication; code division multiple access; packet switching; queueing theory; voice communication; A-Protocol; DQRUMA/MC-CDMA protocol; E-Protocol; base station; channel access protocol; distributed-queueing request update multiple-access; performance analysis; randomly chosen code; request minislot; voice traffic; wireless packet CDMA networks; Access protocols; Analytical models; Base stations; Computational modeling; Computer simulation; Multiaccess communication; Multicarrier code division multiple access; Performance analysis; Telecommunication traffic; Wireless application protocol;

fLanguage

English

Journal_Title

Vehicular Technology, IEEE Transactions on

Publisher

ieee

ISSN

0018-9545

Type

jour

DOI

10.1109/TVT.2003.808783

Filename

1198590