Threshold configuration of emergency trunk reservation considering traffic intensity for accepting more general telephone calls

Kazuki Tanabe; Sumiko Miyata; Ken Ichi Baba; Katsunori Yamaoka

doi:10.1109/RNDM.2014.7014947

Threshold configuration of emergency trunk reservation considering traffic intensity for accepting more general telephone calls

Kazuki Tanabe, Sumiko Miyata, Ken Ichi Baba, Katsunori Yamaoka

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

We propose a threshold configuration and holding time limitation for general telephone calls under trunk reservation control in emergency situations. Our proposed method aims to accept more general calls while required emergency calls are still accepted. With our method, the threshold is configured in consideration of the ratio of traffic intensities which are estimated in advance. Computer simulation with a queueing system model of a telephone exchange showed that the general call-blocking rate was much lower than that without threshold relaxation or trunk reservation, while the emergency call-blocking rate was reduced to almost zero unless the sum of estimated traffic intensity was nearly equal to the number of lines. Moreover, we confirmed that the threshold was appropriately configured by using the proposed method, from the comparison between the result of the proposed method and that obtained by using the fixed value of a threshold.

Original language	English
Title of host publication	Proceedings of 2014 6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	165-170
Number of pages	6
ISBN (Electronic)	9781479970407
DOIs	https://doi.org/10.1109/RNDM.2014.7014947
Publication status	Published - 2014 Jan 19
Externally published	Yes
Event	6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014 - Barcelon, Spain Duration: 2014 Nov 17 → 2014 Nov 19

Other

Other	6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014
Country/Territory	Spain
City	Barcelon
Period	14/11/17 → 14/11/19

Keywords

Accepting general telephone calls
Call-blocking rate
Congestion control
Emergency Telecommunications Service (ETS)
Queueing theory
Threshold configuration
Trunk reservation control

ASJC Scopus subject areas

Computer Networks and Communications

Access to Document

10.1109/RNDM.2014.7014947

Cite this

Tanabe, K., Miyata, S., Baba, K. I., & Yamaoka, K. (2014). Threshold configuration of emergency trunk reservation considering traffic intensity for accepting more general telephone calls. In Proceedings of 2014 6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014 (pp. 165-170). [7014947] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/RNDM.2014.7014947

Threshold configuration of emergency trunk reservation considering traffic intensity for accepting more general telephone calls. / Tanabe, Kazuki; Miyata, Sumiko; Baba, Ken Ichi; Yamaoka, Katsunori.

Proceedings of 2014 6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014. Institute of Electrical and Electronics Engineers Inc., 2014. p. 165-170 7014947.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tanabe, K, Miyata, S, Baba, KI & Yamaoka, K 2014, Threshold configuration of emergency trunk reservation considering traffic intensity for accepting more general telephone calls. in Proceedings of 2014 6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014., 7014947, Institute of Electrical and Electronics Engineers Inc., pp. 165-170, 6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014, Barcelon, Spain, 14/11/17. https://doi.org/10.1109/RNDM.2014.7014947

Tanabe K, Miyata S, Baba KI, Yamaoka K. Threshold configuration of emergency trunk reservation considering traffic intensity for accepting more general telephone calls. In Proceedings of 2014 6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014. Institute of Electrical and Electronics Engineers Inc. 2014. p. 165-170. 7014947 https://doi.org/10.1109/RNDM.2014.7014947

Tanabe, Kazuki ; Miyata, Sumiko ; Baba, Ken Ichi ; Yamaoka, Katsunori. / Threshold configuration of emergency trunk reservation considering traffic intensity for accepting more general telephone calls. Proceedings of 2014 6th International Workshop on Reliable Networks Design and Modeling, RNDM 2014. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 165-170

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abstract = "We propose a threshold configuration and holding time limitation for general telephone calls under trunk reservation control in emergency situations. Our proposed method aims to accept more general calls while required emergency calls are still accepted. With our method, the threshold is configured in consideration of the ratio of traffic intensities which are estimated in advance. Computer simulation with a queueing system model of a telephone exchange showed that the general call-blocking rate was much lower than that without threshold relaxation or trunk reservation, while the emergency call-blocking rate was reduced to almost zero unless the sum of estimated traffic intensity was nearly equal to the number of lines. Moreover, we confirmed that the threshold was appropriately configured by using the proposed method, from the comparison between the result of the proposed method and that obtained by using the fixed value of a threshold.",

keywords = "Accepting general telephone calls, Call-blocking rate, Congestion control, Emergency Telecommunications Service (ETS), Queueing theory, Threshold configuration, Trunk reservation control",

author = "Kazuki Tanabe and Sumiko Miyata and Baba, {Ken Ichi} and Katsunori Yamaoka",

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N2 - We propose a threshold configuration and holding time limitation for general telephone calls under trunk reservation control in emergency situations. Our proposed method aims to accept more general calls while required emergency calls are still accepted. With our method, the threshold is configured in consideration of the ratio of traffic intensities which are estimated in advance. Computer simulation with a queueing system model of a telephone exchange showed that the general call-blocking rate was much lower than that without threshold relaxation or trunk reservation, while the emergency call-blocking rate was reduced to almost zero unless the sum of estimated traffic intensity was nearly equal to the number of lines. Moreover, we confirmed that the threshold was appropriately configured by using the proposed method, from the comparison between the result of the proposed method and that obtained by using the fixed value of a threshold.

AB - We propose a threshold configuration and holding time limitation for general telephone calls under trunk reservation control in emergency situations. Our proposed method aims to accept more general calls while required emergency calls are still accepted. With our method, the threshold is configured in consideration of the ratio of traffic intensities which are estimated in advance. Computer simulation with a queueing system model of a telephone exchange showed that the general call-blocking rate was much lower than that without threshold relaxation or trunk reservation, while the emergency call-blocking rate was reduced to almost zero unless the sum of estimated traffic intensity was nearly equal to the number of lines. Moreover, we confirmed that the threshold was appropriately configured by using the proposed method, from the comparison between the result of the proposed method and that obtained by using the fixed value of a threshold.

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Threshold configuration of emergency trunk reservation considering traffic intensity for accepting more general telephone calls

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