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Titolo:
Load analysis of the soft handoff scheme in a CDMA cellular system
Autore:
Tcha, DW; Kang, SY; Jin, GW;
Indirizzi:
Korea Adv Inst Sci & Technol, Grad Sch Management, Seoul, South Korea Korea Adv Inst Sci & Technol Seoul South Korea ment, Seoul, South Korea Spread Telecom Inc, Taejon, South Korea Spread Telecom Inc Taejon South Korea Telecom Inc, Taejon, South Korea
Titolo Testata:
IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS
fascicolo: 6, volume: 19, anno: 2001,
pagine: 1147 - 1152
SICI:
0733-8716(200106)19:6<1147:LAOTSH>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERFORMANCE ANALYSIS; NETWORKS;
Keywords:
balance equation; handoff rates; macrodiversity; offered loads; soft handoff region; traffic model;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
13
Recensione:
Indirizzi per estratti:
Indirizzo: Tcha, DW Korea Adv Inst Sci & Technol, Grad Sch Management, Seoul, South Korea Korea Adv Inst Sci & Technol Seoul South Korea ul, South Korea
Citazione:
D.W. Tcha et al., "Load analysis of the soft handoff scheme in a CDMA cellular system", IEEE J SEL, 19(6), 2001, pp. 1147-1152

Abstract

In a code-division multiple-access cellular system, the soft handoff with macrodiversity is known to increase the number of available channels in each cell from the interference-reduced radio environment. This capability, however, also incurs extra load on the system due to the increase In the number of channels occupied and reserved for macrodiversity. The objective is to evaluate the associated loads, thereby enabling effective channel management, We first differentiate two kinds of loads attributable to new and handoff calls, respectively. Further dividing handoff calls into two kinds, we derive a load balance equation from which three different loads at a cell are all exactly obtained in association with the size of the soft handoff region. Comparative analysis with the case of no soft handoff region, i.e., of hard handoff, shows the appropriate proportion of channels reserved for the macrodiversity in a given soft handoff region.

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Documento generato il 29/05/20 alle ore 16:18:59