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Titolo:
Uplink and downlink communications qualities in CDMA cellular systems considering effects of traffic distribution
Autore:
Takeo, K; Sato, S; Ogawa, A;
Indirizzi:
YRP Mobile Telecommun Key Technol Res Labs, Yokosuka, Kanagawa 2390847, Japan YRP Mobile Telecommun Key Technol Res Labs Yokosuka Kanagawa Japan 2390847 Oki Elect Ind Co Ltd, Wireless Commun Dev Div, Yokosuka, Kanagawa 2390847,Japan Oki Elect Ind Co Ltd Yokosuka Kanagawa Japan 2390847 nagawa 2390847,Japan Nagoya Univ, Sch Engn, Dept Informat Elect, Nagoya, Aichi 4648603, Japan Nagoya Univ Nagoya Aichi Japan 4648603 lect, Nagoya, Aichi 4648603, Japan
Titolo Testata:
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES
fascicolo: 12, volume: E82A, anno: 1999,
pagine: 2677 - 2686
SICI:
0916-8508(199912)E82A:12<2677:UADCQI>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERFORMANCE; CAPACITY;
Keywords:
CDMA cellular system; traffic distribution; communications quality; uplink/downlink;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Takeo, K YRP Mobile Telecommun Key Technol Res Labs, Yokosuka, Kanagawa 2390847, Japan YRP Mobile Telecommun Key Technol Res Labs Yokosuka Kanagawa Japan 2390847
Citazione:
K. Takeo et al., "Uplink and downlink communications qualities in CDMA cellular systems considering effects of traffic distribution", IEICE T FUN, E82A(12), 1999, pp. 2677-2686

Abstract

This paper describes the effects of traffic distributions on, uplink and downlink communications qualities in CDMA cellular systems. Many researches have been done from the viewpoint of the system capacity under ideal conditions in both uplink and downlink. However, there are few studies regarding traffic distributions that concurrently affect the uplink and downlink; quality. The characteristics in both links are different even in a spatially uniform traffic distribution because the system structures are not symmetricbetween both links. When non-uniform radio environments are assumed, both link qualities become very different from each other. It is therefore important to design systems in consideration of link-specific characteristics inwhole serv ice area. This paper clarifies the difference in both link characteristics in CDMA systems regarding traffic distributions.

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Documento generato il 05/07/20 alle ore 08:55:34