The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Dans les systèmes CDMA, la stratégie de contrôle de puissance est le problème le plus important puisque la capacité du système n'est limitée que par les interférences. Pour une meilleure compréhension des effets de la stratégie de contrôle de puissance des liaisons directes (FLPC) sur la probabilité de panne dans des environnements d'évanouissement, cet article a présenté une analyse théorique de la liaison aller dans un système cellulaire CDMA en introduisant la puissance τ-ième de la stratégie de contrôle pilotée par la distance. Sur la base du contrôle de puissance, la capacité et la probabilité de panne du système sont estimées et discutées. En particulier, nous considérons l'impact des environnements décolorés et étudions le phénomène de « trou ». Sur la base de nos résultats numériques, les points de « trous » se situent aux limites supérieures où il est possible d'assurer la minimisation de la valeur maximale du rapport interférence/signal total (Rapport de recherche internationale). Au moins à ces points limites supérieurs, la stratégie de contrôle de puissance conduit à environ trois fois la capacité par rapport au cas sans stratégie de contrôle de puissance. On peut conclure que la liaison aller sans stratégie de contrôle de puissance constitue une très forte restriction pour la capacité du système CDMA, en particulier dans des environnements d'évanouissements importants.
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Jie ZHOU, Yoshikuni ONOZATO, Hisakazu KIKUCHI, "Distribution of ISR and Its Optimization in Performance Evaluation of Forward Link in Cellular Mobile Radio Systems" in IEICE TRANSACTIONS on Communications,
vol. E85-B, no. 8, pp. 1479-1489, August 2002, doi: .
Abstract: In CDMA systems, power control strategy is the most important issue since the capacity of the system is only interference-limited. For a better understanding of the effects of Forward Link Power Control Strategy (FLPCS) on the outage probability in fading environments, this paper has presented a theoretical analysis of forward link in a CDMA cellular system by introducing the τ-th power of distance driven control strategy. Based on the power control, the capacity and outage probability of the system are estimated and discussed. In particular, we consider the impact of fading environments and investigate the "hole" phenomenon. Based on our numerical results, the "hole" points are at the upper bounds of where it is possible to ensure minimization of the maximum value of total Interference-to-Signal Ratio (ISR). At those upper bound points, at least, the power control strategy leads to approximately threefold the capacity compared to the case without power control strategy. It can be concluded that the forward link without power control strategy is a very heavy restriction for the capacity of the CDMA system, especially in environments of significant fading.
URL: https://global.ieice.org/en_transactions/communications/10.1587/e85-b_8_1479/_p
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@ARTICLE{e85-b_8_1479,
author={Jie ZHOU, Yoshikuni ONOZATO, Hisakazu KIKUCHI, },
journal={IEICE TRANSACTIONS on Communications},
title={Distribution of ISR and Its Optimization in Performance Evaluation of Forward Link in Cellular Mobile Radio Systems},
year={2002},
volume={E85-B},
number={8},
pages={1479-1489},
abstract={In CDMA systems, power control strategy is the most important issue since the capacity of the system is only interference-limited. For a better understanding of the effects of Forward Link Power Control Strategy (FLPCS) on the outage probability in fading environments, this paper has presented a theoretical analysis of forward link in a CDMA cellular system by introducing the τ-th power of distance driven control strategy. Based on the power control, the capacity and outage probability of the system are estimated and discussed. In particular, we consider the impact of fading environments and investigate the "hole" phenomenon. Based on our numerical results, the "hole" points are at the upper bounds of where it is possible to ensure minimization of the maximum value of total Interference-to-Signal Ratio (ISR). At those upper bound points, at least, the power control strategy leads to approximately threefold the capacity compared to the case without power control strategy. It can be concluded that the forward link without power control strategy is a very heavy restriction for the capacity of the CDMA system, especially in environments of significant fading.},
keywords={},
doi={},
ISSN={},
month={August},}
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TY - JOUR
TI - Distribution of ISR and Its Optimization in Performance Evaluation of Forward Link in Cellular Mobile Radio Systems
T2 - IEICE TRANSACTIONS on Communications
SP - 1479
EP - 1489
AU - Jie ZHOU
AU - Yoshikuni ONOZATO
AU - Hisakazu KIKUCHI
PY - 2002
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E85-B
IS - 8
JA - IEICE TRANSACTIONS on Communications
Y1 - August 2002
AB - In CDMA systems, power control strategy is the most important issue since the capacity of the system is only interference-limited. For a better understanding of the effects of Forward Link Power Control Strategy (FLPCS) on the outage probability in fading environments, this paper has presented a theoretical analysis of forward link in a CDMA cellular system by introducing the τ-th power of distance driven control strategy. Based on the power control, the capacity and outage probability of the system are estimated and discussed. In particular, we consider the impact of fading environments and investigate the "hole" phenomenon. Based on our numerical results, the "hole" points are at the upper bounds of where it is possible to ensure minimization of the maximum value of total Interference-to-Signal Ratio (ISR). At those upper bound points, at least, the power control strategy leads to approximately threefold the capacity compared to the case without power control strategy. It can be concluded that the forward link without power control strategy is a very heavy restriction for the capacity of the CDMA system, especially in environments of significant fading.
ER -