نتایج جستجو برای: کارت atm
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[ATM Switch] High speed ATM switch LSIs which used in B-ISDN have been developed. In 1990, 100Mbp/s BiCMOS ATM switch were reported [Kato et al., 1990]. And in 1991, a 400Mb/s 8X8 ATM switch has been developed. It realized total switch throughput of 3.2Gb/s with a 0.8mm BiCMOS technology [Tanaka et al., 1991]. A CMOS chip set for a 1.28Gb/s 16X16 output buffer ATM switch has been developed. Thi...
This paper summarizes the results of a set of simulations of error control schemes for transmission of ATM cells in Wireless and Satellite ATM networks. For Wireless ATM networks, we consider a scheme which incorporates separate FECs for ATM cell header and payload. This scheme is an effective scheme and achieves a trade-off between coding rate and bandwidth. A concatenated FEC scheme (RSCCC) i...
Asynchronous Transfer Mode (ATM) has emerged as the most promising technology in supporting future broadband multimedia communication services. To accelerate the deployment of ATM technology, the ATM Forum, which is a consortium of service providers and equipment vendors in the communication industries, has been created to develop implementation and speci cation agreements. In this article, we ...
The human genetic disorder ataxia-telangiectasia (A-T) is characterized by hypersensitivity to ionizing radiation and an elevated risk of malignancy. Epidemiological data support an increased risk for breast and other cancers in A-T heterozygotes. However, screening breast cancer cases for truncating mutations in the ATM (A-T mutated) gene has failed largely to reveal an increased incidence in ...
BACKGROUND Variant ATM heterozygotes have an increased risk of developing cancer, cardiovascular diseases, and diabetes. Costs and time of sequencing and ATM variant complexity make large-scale, general population screenings not cost-effective yet. Recently, we developed a straightforward, rapid, and inexpensive test based on p53 mitotic centrosomal localization (p53-MCL) in peripheral blood mo...
The automatic teller machine (ATM) will be for the foreseeable future the dominant mode of access to cash for those living in industrialized societies. In this article we present the ATM as a political site where a multiplicity of relationships—primarily but not exclusively between the customer and the bank—become configured in ways that serve some interests and not others. The article draws on...
Ataxia-telangiectasia (A-T) is a neurodegenerative syndrome resulting from dysfunction of ATM (ataxia telangiectasia mutated). The molecular details of ATM function in the nervous system are unclear, although the neurological lesions in A-T are probably developmental because they appear during childhood. The nervous systems of Atm-null mice show a pronounced defect in apoptosis that is induced ...
Mobile/Wireless ATM is a rapidly developing field of research and standardization. The ATM Forum’s Wireless ATM specification version 1.0 is expected to be released by the end of 1999. It will cover the issues of wireless access to the ATM network and the network signaling and control functions for basic support of mobile virtual circuit ATM connections. While at the moment, WATM system are env...
Ataxia-telangiectasia is a hereditary multisystemic disease resulting from mutations of ataxia telangiectasia, mutated (ATM) and is characterized by neurodegeneration, cancer, immune defects, and hypersensitivity to ionizing radiation. The molecular details of ATM function in the nervous system are unclear, although the neurological lesion in ataxia-telangiectasia becomes apparent early in life...
The gene product mutated in ataxia telangiectasia, ATM, is a ubiquitously expressed 370 kDa protein kinase that is a key mediator of the cellular response to DNA damage [1]. ATM-deficient cells are radiosensitive and show impaired cell cycle arrest and increased chromosome breaks in response to ionizing radiation. ATM is a member of the phosphatidylinositol-3-kinase (PI3K)-related protein kinas...
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