نتایج جستجو برای: bss

تعداد نتایج: 2715  

2015
Ahmad AlAmmouri Hesham ElSawy Mohamed-Slim Alouini

Backward compatibility is an essential ingredient for the success of new technologies. In the context of in-band full-duplex (FD) communication, FD base stations (BSs) should support half-duplex (HD) users’ equipment (UEs) without sacrificing the foreseen FD gains. This paper presents flexible and tractable modeling framework for multi-tier cellular networks with FD BSs and FD/HD UEs. The prese...

2014

DOI: 10.4328/JCAM.2359 Received: 21.02.2014 Accepted: 05.03.2014 Published Online: 09.03.2014 Corresponding Author: Mehmet Tulga Eğilmez, Başkent Üniversitesi Tıp Fakültesi, Adana Uygulama ve Araştırma Hastanesi, Yüregir, Adana, Türkiye. T.: +90 3223272727 F.: +90 3223271274 E-Mail: [email protected] Özet Amaç: Aşırı aktif mesanesi (AAM) olan kadınlarda, risk faktörlerinin semptom şiddeti ...

Journal: :Archives of dermatology 2007
Agustín España Fermin García-Amigot Leyre Aguado Jesús García-Foncillas

B rooke-Spiegler syndrome (BSS) includes the combination of spiradenomas, cylindromas, and trichoepitheliomas. It has been postulated that BSS results from defects in the regulation of putative stem cells of the folliculosebaceous-apocrine unit. This follicular dysregulation may give rise to 3 different genodermatoses: familial cylindromatosis (FC), multiple familial trichoepithelioma (MFT), or...

2004
Fabian J. Theis Peter Gruber

The aim of blind source separation (BSS) is to transform a mixed random vector such that the original sources are recovered. If the sources are assumed to be statistically independent, independent component analysis (ICA) can be applied to perform BSS. An important aspect of successfully analysing data with BSS is to know the indeterminacies of the problem, that is how the separating model is r...

2015
Adam M Pitz Geun Woo Park David Lee Ying L Boissy Jan Vinjé

Previous studies have shown bismuth subsalicylate (BSS) has antimicrobial properties, but few studies have addressed the mechanism of action. Furthermore, following BSS ingestion other bismuth salts form throughout the gastrointestinal tract including bismuth oxychloride (BiOCl) that also act upon enteric pathogens. To further understand the antimicrobial activity of bismuth in infectious diarr...

2000
Giuseppe Lipari Sanjoy K. Baruah

The Bandwidth Sharing Server (BSS) is a scheduling strategy for multi-task real-time applications that provides the dual properties of performance guarantees and inter-application isolation. We describe here the BSS-I algorithm, an evolution of the BSS, aimed at (i) improving the run-time performance and (ii) generalizing the kinds of performance guarantees that can be o ered.

2004
Luciano Sarperi Asoke K. Nandi Xu Zhu

This paper proposes a blind multiuser detection and channel estimation method for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems based on blind source separation (BSS). Using multiple antennas for transmission and reception the multiuser detection problem can be cast as a BSS problem of linear instantaneous mixtures. The proposed method uses BSS ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1390

مکان یابی منبع گفتار در بسیاری از سیستم های پردازش گفتار از قبیل سیستم های تله کنفرانس، سیستم های بازشناسی صوت، اتاق های کنفرانس هوشمند و سیستم های کمک شنوایی کاربرد دارد. امروزه مکان یابی منبع صوت با کمک آرایه های میکروفونی از موضوعات مورد توجه می باشد. این آرایه ها در نهایت سیگنال دارای کیفیت مطلوب را از منبع صوتی تهیه می کنند و منابع صوتی غیر دلخواه را حذف می کنند. اما یکی از چالش های پیش رو...

2015
Atefeh Hajijamali Arani Abolfazl Mehbodniya Mohammad Javad Omidi Fumiyuki Adachi

Two major challenges facing 5G are energy efficiency and mobile users’ mobility in heterogeneous wireless networks. Using algorithms based on the base station (BS)’s switching between ON and OFF modes, can improve the energy efficiency of the network. In this paper, we consider mobile terminal’s seamless mobility problem joint with BSs which are able to switch between ON and OFF modes. Also, we...

Journal: :Wireless Personal Communications 2002
Vicente Zarzoso Asoke K. Nandi

The problem of multiuser detection in wireless communications systems adopts, in flat-fading channels, a blind source separation (BSS) formulation of instantaneous linear mixtures. This contribution addresses the closed-form solutions to BSS in the complex-mixture scenario. The algebraic devices which span a unifying framework for the complex BSS closed-form estimators are developed. With the a...

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