Capacity-optimized power allocation scheme in an integrated voice and data DS-CDMA system

Author

Koo, Insoo ; Yang, Jeongrok ; Choi, Yeongyoon ; Kim, Kiseon

Author_Institution

Dept. of Inf. & Commun., K-JIST, Kwangju, South Korea

Volume

2

fYear

1999

fDate

36495

Firstpage

1178

Abstract

In this paper, a power allocation scheme is proposed to enhance the system capacity, defined as the sum of throughput for data users and Erlang capacity for voice users in a mixed voice and data DS-CDMA system. The proposed scheme increases the supportable data traffic load which is limited to satisfy the pre-determined QoSs of voice users such as the required BER, by allocating the transmission power of the data users to be less than that of voice users. Through a numerical example, this scheme shows the enhancement of system capacity. Especially, we can get double system capacity by allocating the transmission power of data users to be half of that of voice users, given the voice traffic load of 0.1

Keywords

cellular radio; code division multiple access; integrated voice/data communication; packet radio networks; quality of service; spread spectrum communication; telecommunication traffic; BER; DS-CDMA system; Erlang capacity; QoS; capacity-optimized power allocation scheme; data traffic load; data users transmission power; integrated voice/data communication; system capacity enhancement; throughput; voice traffic load; Bit error rate; Data engineering; Electronic mail; Frequency division multiaccess; Multiaccess communication; Power engineering and energy; Quality of service; Telecommunication traffic; Throughput; Time division multiple access;

fLanguage

English

Publisher

ieee

Conference_Titel

TENCON 99. Proceedings of the IEEE Region 10 Conference

Conference_Location

Cheju Island

Print_ISBN

0-7803-5739-6

Type

conf

DOI

10.1109/TENCON.1999.818636

Filename

818636