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Computing call-blocking probabilities in LEO satellite networks: the single-orbit case
IEEE Transactions on Vehicular Technology, 2002 We study the problem of carrying voice calls over a low-earth-orbit satellite network and present an analytical model for computing call-blocking probabilities for a single orbit of a satellite constellation.
George N Rouskas, H G Perros
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Optimizing Procedure Calls in Block-structured Languages
Software: Practice and Experience, 1996Static chains and displays are two techniques used by compilers to implement variable references for black-structured programming languages. Both methods impose significant run-time overhead during procedure calls and variable references. This paper investigates several optimizations to improve upon common practice.
Jeremy P. Goodwin, Edward F. Gehringer
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Generalization of a switch access system call blocking model
Global Telecommunications Conference, 2002. GLOBECOM '02. IEEE, 2004A generalized blocking model is derived for a switch access system that was investigated by Doshi, Dravida, Jeske, Murti and Samadi ( 1998) by relaxing the assumption that the line unit is a cross bar switch. The need for this arises from the fact that in some switch access architectures, the number of servers in a server group is smaller than the ...
Tingfang Ji, Daniel R. Jeske
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Cell loss and call blocking at an ATM multiplexor
Proceedings 7th International Conference on Computer Communications and Networks (Cat. No.98EX226), 2002We study an ATM access node which multiplexes on-off calls onto a common channel on a cell loss and call blocking basis. Calls arrive at a Poisson rate /spl lambda/ calls/sec and require an exponentially distributed holding time of mean 1//spl mu/ seconds.
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Development of humming call system for blocking spam on a smartphone
Multimedia Tools and Applications, 2017Smart devices such as smart phone play an important role in networked environments as connecting to other network devices and Internet Things. Smart phone combines the features of cell phone and a personal computer operating system. And it has become one of vital elements for modern people and society.
Chang Soo Sung, Chi Ha Kim, Jooyeon Park
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Interaction of call blocking and cell loss in an ATM network
IEEE Journal on Selected Areas in Communications, 1994The introduction of broadband ATM networks and services will raise new operational issues. An area of significant challenge to the network operators will be network dimensioning. ATM networks differ from today's STM networks in that they will have to provide acceptable performance with respect to not only call blocking, but also cell loss and cell ...
Maged E. Beshai +2 more
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Impact of Signaling Load on the UMTS Call Blocking/Dropping
VTC Spring 2008 - IEEE Vehicular Technology Conference, 2008Radio resources in third generation (3G) wireless cellular networks (WCNs) such as the universal mobile telecommunications system (UMTS) network are limited in terms of soft capacity. The quality of a signaling service transmission depends on various factors (i.e., a user's location, speed, and data rate requirement), and has an impact on the quality ...
Saowaphak Sasanus +2 more
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Blocking Unsolicited Voice Calls Using Decoys for the IMS
2007 IEEE International Conference on Communications, 2007Spam has been a serious problem for email causing frustration and annoyances to customers. This problem is growing at a fast rate with no signs of abating. Another form of spam that has just surfaced is VoIP spam called SPIT (Spam over Internet Telephony). Currently, VoIP has seen an increasing number of users due to the cheap rates.
S. M. Akramus Salehin, Neco Ventura
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Safe and Effective Aspirations and Nerve Blocks for the On-Call Orthopaedic Surgeon
Journal of the American Academy of Orthopaedic Surgeons, 2023The on-call orthopaedic surgeon is faced with a wide array of orthopaedic pathology for which intra-articular aspiration, injection, and/or nerve/hematoma block may be used. Efficient use of these diagnostic and therapeutic modalities affords better patient care and a more effective on-call period.
Garrett K. Berger +2 more
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Bandwidth assignment and virtual call blocking in ATM networks
Proceedings. IEEE INFOCOM '90: Ninth Annual Joint Conference of the IEEE Computer and Communications Societies@m_The Multiple Facets of Integration, 2002The suggested class-related rule (CRR) was tested for mixes of two and three different bursty service classes. Performance was evaluated at the ATM cell level in terms of effective assigned bandwidth with respect to the peak bandwidth allocation.
Maurizio Decina +3 more
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