Soft handoff algorithm with variable thresholds in CDMA cellular systems

Seon Ho Hwang; Seong Lyun Kim; Hyun Seo Oh; Chang Eon Kang; Jung Young Son

doi:10.1049/el:19971098

Soft handoff algorithm with variable thresholds in CDMA cellular systems

Seon Ho Hwang, Seong Lyun Kim, Hyun Seo Oh, Chang Eon Kang, Jung Young Son

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Traffic nonuniformity degrades the performance of CDMA cellular systems. The authors present a new algorithm called the variable threshold soft handoff (VTSH) which reduces the performance degradation due to traffic nonuniformity in CDMA cellular systems. Unlike the conventional fixed handoff thresholds, the proposed algorithm allows the handoff thresholds (T_ADD and T_DROP) to vary dynamically according to the traffic density of each cell. This algorithm has been implemented by means of computer simulation and the results show that VTSH improves the overall CDMA system performance in terms of outage probability. The VTSH algorithm can easily be applied to CDMA cellular systems without any modification̈.

Original language	English
Pages (from-to)	1602-1603
Number of pages	2
Journal	Electronics Letters
Volume	33
Issue number	19
DOIs	https://doi.org/10.1049/el:19971098
Publication status	Published - 1997 Sep 11

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1049/el:19971098

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title = "Soft handoff algorithm with variable thresholds in CDMA cellular systems",

abstract = "Traffic nonuniformity degrades the performance of CDMA cellular systems. The authors present a new algorithm called the variable threshold soft handoff (VTSH) which reduces the performance degradation due to traffic nonuniformity in CDMA cellular systems. Unlike the conventional fixed handoff thresholds, the proposed algorithm allows the handoff thresholds (T_ADD and T_DROP) to vary dynamically according to the traffic density of each cell. This algorithm has been implemented by means of computer simulation and the results show that VTSH improves the overall CDMA system performance in terms of outage probability. The VTSH algorithm can easily be applied to CDMA cellular systems without any modificatio{\"n}.",

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T1 - Soft handoff algorithm with variable thresholds in CDMA cellular systems

AU - Hwang, Seon Ho

AU - Kim, Seong Lyun

AU - Oh, Hyun Seo

AU - Kang, Chang Eon

AU - Son, Jung Young

PY - 1997/9/11

Y1 - 1997/9/11

N2 - Traffic nonuniformity degrades the performance of CDMA cellular systems. The authors present a new algorithm called the variable threshold soft handoff (VTSH) which reduces the performance degradation due to traffic nonuniformity in CDMA cellular systems. Unlike the conventional fixed handoff thresholds, the proposed algorithm allows the handoff thresholds (T_ADD and T_DROP) to vary dynamically according to the traffic density of each cell. This algorithm has been implemented by means of computer simulation and the results show that VTSH improves the overall CDMA system performance in terms of outage probability. The VTSH algorithm can easily be applied to CDMA cellular systems without any modification̈.

AB - Traffic nonuniformity degrades the performance of CDMA cellular systems. The authors present a new algorithm called the variable threshold soft handoff (VTSH) which reduces the performance degradation due to traffic nonuniformity in CDMA cellular systems. Unlike the conventional fixed handoff thresholds, the proposed algorithm allows the handoff thresholds (T_ADD and T_DROP) to vary dynamically according to the traffic density of each cell. This algorithm has been implemented by means of computer simulation and the results show that VTSH improves the overall CDMA system performance in terms of outage probability. The VTSH algorithm can easily be applied to CDMA cellular systems without any modification̈.

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