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Throughput performance of the IEEE 802.11 distributed coordination function (DCF) is very sensitive to the number n of competing stations. The contribute of this paper is threefold. First, we show that n can be expressed as function of the collision probability encountered on the channel; hence, it can be estimated based on run-time measurements. Second, we(More)
BACKGROUND Few studies have attempted to delineate the clinical profile of multiple Sclerosis (MS) among people of Asia. This study sought to identify the characteristics of early-onset Multiple Sclerosis (EOMS) comparison to adult-onset form (AOMS) in Isfahan, IRAN. METHODS This prospective study was conducted on 104 youths with multiple sclerosis(More)
In this paper we examined the broadband fixed wireless access (BFWA) systems by coherent and non-coherent detection using M-ary PSK with Gray code. A closed form for the exact symbol error rate and bit error rate (BER) of M-ary PSK is presented. We show through analysis the physical limitations of the BFWA channels over different values of M (2,4,8,16,32)(More)
In this paper, we utilize feature extraction and model-fitting techniques to process the rhetoric found in the web sites of 23 Indonesian Islamic religious organizations to profile their ideology and activity patterns along a hypothesized radical/counter-radical scale, and present an end-to-end system that is able to help researchers to visualize the data(More)
In this study, we aim to obtain “natural groupings” of 151 local non-government organizations and institutions mentioned in a news archive of 77,000 articles spanning a decade (May 1999 to Jan 2010) from Indonesia. One of our goals is to enhance our understanding of counter-radical movements in critical locations in the Muslim world. We(More)
Evaluation of the tensile strength of SFRC as derived from inverse analysis of notched bending tests, VIII International Abstract: For the design of SFRC members, the most fundamental material property is its post cracking residual tensile strength. When relying on physical models to describe structural behaviour under load, the material laws must first be(More)
Aims. Metastatic malignant melanoma of the urinary bladder is a rare clinical entity, with only twenty-three published cases to date. We present a case of this rare entity, a thorough review of the literature, and differential diagnosis of melanoma in the bladder. Methods and Results. A 55-year-old woman with a history of malignant melanoma of the right(More)
—Recently, the IEEE 802.11 WLANs are experiencing a vast popularity and widespread deployment particularly with the rapid development in wireless communication technologies. Designing WLANs with traditional steps may allow a specific number of users to utilize from facilities of the networks. The transmission channel condition and number of sharing users(More)
Prostate cancer is the most frequent non-cutaneous malignancy in men. There is strong evidence in rodents that neonatal estrogen exposure plays a role in the development of this disease. However, there is little information regarding the effects of estrogen in human fetal prostate tissue. This study explored early life estrogen exposure, with and without a(More)