On Dynamic Spreading Gain Control considering the Imperfect Power Control Condition 


Vol. 27,  No. 5, pp. 451-460, May  2002


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  Abstract

Previous mobile communication services are concentrated on voice traffic. However, according to rapid improvement of mobile communication systems, we need various multimedia traffic services. In this paper, we consider a OS-CDMA system that suppOI1S voice and data traffics. The voice traffic service requires real-time delivery, but has some tolerance to transmission errors. On the other hand, the data traffic service requires reliable delivery, but has some tolerance to the delay by retransmission of errored packets. To obtain maximum throughput of data services, we consider spreading gain control (SGC). In the most of previous works, they assumed perfect power control. But, in the real system, the received power after power control is still quite variable because of user's mobility and propagation conditions. So, in this paper we analyze the performance of OS-CDMA with SGC in two cases: The one is in the perfect power control and the other is in the imperfect power control.

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  Cite this article

[IEEE Style]

S. Cho, B. Kim, A. M. Kyung-sup, "On Dynamic Spreading Gain Control considering the Imperfect Power Control Condition," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 5, pp. 451-460, 2002. DOI: .

[ACM Style]

Sung-woo Cho, Baek-hyun Kim, and Associate Memders Kyung-sup. 2002. On Dynamic Spreading Gain Control considering the Imperfect Power Control Condition. The Journal of Korean Institute of Communications and Information Sciences, 27, 5, (2002), 451-460. DOI: .

[KICS Style]

Sung-woo Cho, Baek-hyun Kim, Associate Memders Kyung-sup, "On Dynamic Spreading Gain Control considering the Imperfect Power Control Condition," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 5, pp. 451-460, 5. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880