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".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Quando uma estação móvel com uma chamada em andamento atravessa os limites da célula em um sistema de comunicações móveis celulares, o sistema deve comutar o circuito para a estação base na célula de destino para permitir comunicações ininterruptas em um processo chamado “handoff”. Se o circuito para a estação base de destino não puder ser protegido quando uma transferência for tentada, a chamada será encerrada à força. Portanto, foram realizados estudos sobre métodos para diminuir a porcentagem de chamadas encerradas à força, dando prioridade às chamadas de transferência. Com o objetivo de simplificar o projeto do sistema, propomos um sistema para definir automaticamente o número de circuitos reservados para handoff com base na taxa de bloqueio de handoff. Neste artigo, descrevemos este sistema e avaliamos as características do tráfego estático levando em consideração chamadas de nova tentativa, cuja ocorrência pode ter um efeito importante no desempenho do sistema. Consideramos também os efeitos do sistema proposto na qualidade do serviço, uma vez que dar prioridade às chamadas de transferência e diminuir a taxa de terminações forçadas resulta num trade-off com a taxa de bloqueio de novas tentativas de chamadas. Por fim, avaliamos as características do tráfego associadas ao número de solicitações de controle, elemento importante na estimativa da capacidade de processamento exigida pelos equipamentos de controle no momento do projeto do sistema.
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Noriteru SHINAGAWA, Takehiko KOBAYASHI, Keisuke NAKANO, Masakazu SENGOKU, "Teletraffic Characteristics in Prioritized Handoff Control Method Considering Reattempt Calls" in IEICE TRANSACTIONS on Communications,
vol. E83-B, no. 8, pp. 1810-1818, August 2000, doi: .
Abstract: When a mobile station with a call in progress moves across cell boundary in a cellular mobile communications system, the system must switch the circuit to the base station in the destination cell to enable uninterrupted communications in a process called "handoff. " However, if a circuit to the destination base station cannot be secured when a handoff is attempted, the call is forcibly terminated. Studies have therefore been performed on methods of decreasing the percentage of forcibly terminated calls by giving handoff calls priority. With the aim of simplifying system design, we propose a system for automatically setting the number of circuits reserved for handoff based on the handoff block rate. In this paper, we describe this system and evaluate static traffic characteristics taking into account reattempt calls, the occurrence of which can have a major effect on system performance. We also consider the effects of the proposed system on service quality since giving priority to handoff calls and decreasing the rate of forced terminations results in a tradeoff with the blocking rate of new call attempts. Finally, we evaluate the traffic characteristics associated with the number of control requests, an important element in estimating the processing capacity required by control equipment at the time of system design.
URL: https://global.ieice.org/en_transactions/communications/10.1587/e83-b_8_1810/_p
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@ARTICLE{e83-b_8_1810,
author={Noriteru SHINAGAWA, Takehiko KOBAYASHI, Keisuke NAKANO, Masakazu SENGOKU, },
journal={IEICE TRANSACTIONS on Communications},
title={Teletraffic Characteristics in Prioritized Handoff Control Method Considering Reattempt Calls},
year={2000},
volume={E83-B},
number={8},
pages={1810-1818},
abstract={When a mobile station with a call in progress moves across cell boundary in a cellular mobile communications system, the system must switch the circuit to the base station in the destination cell to enable uninterrupted communications in a process called "handoff. " However, if a circuit to the destination base station cannot be secured when a handoff is attempted, the call is forcibly terminated. Studies have therefore been performed on methods of decreasing the percentage of forcibly terminated calls by giving handoff calls priority. With the aim of simplifying system design, we propose a system for automatically setting the number of circuits reserved for handoff based on the handoff block rate. In this paper, we describe this system and evaluate static traffic characteristics taking into account reattempt calls, the occurrence of which can have a major effect on system performance. We also consider the effects of the proposed system on service quality since giving priority to handoff calls and decreasing the rate of forced terminations results in a tradeoff with the blocking rate of new call attempts. Finally, we evaluate the traffic characteristics associated with the number of control requests, an important element in estimating the processing capacity required by control equipment at the time of system design.},
keywords={},
doi={},
ISSN={},
month={August},}
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TY - JOUR
TI - Teletraffic Characteristics in Prioritized Handoff Control Method Considering Reattempt Calls
T2 - IEICE TRANSACTIONS on Communications
SP - 1810
EP - 1818
AU - Noriteru SHINAGAWA
AU - Takehiko KOBAYASHI
AU - Keisuke NAKANO
AU - Masakazu SENGOKU
PY - 2000
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E83-B
IS - 8
JA - IEICE TRANSACTIONS on Communications
Y1 - August 2000
AB - When a mobile station with a call in progress moves across cell boundary in a cellular mobile communications system, the system must switch the circuit to the base station in the destination cell to enable uninterrupted communications in a process called "handoff. " However, if a circuit to the destination base station cannot be secured when a handoff is attempted, the call is forcibly terminated. Studies have therefore been performed on methods of decreasing the percentage of forcibly terminated calls by giving handoff calls priority. With the aim of simplifying system design, we propose a system for automatically setting the number of circuits reserved for handoff based on the handoff block rate. In this paper, we describe this system and evaluate static traffic characteristics taking into account reattempt calls, the occurrence of which can have a major effect on system performance. We also consider the effects of the proposed system on service quality since giving priority to handoff calls and decreasing the rate of forced terminations results in a tradeoff with the blocking rate of new call attempts. Finally, we evaluate the traffic characteristics associated with the number of control requests, an important element in estimating the processing capacity required by control equipment at the time of system design.
ER -