service adaptation and management
the handbook of optical communication networks
... and Microwave Handbook, Mike Golio The Technology Management Handbook, Richard C Dorf The Transforms and Applications Handbook, Second Edition, Alexander D Poularikas The VLSI Handbook, Wai-Kai ... Engineering Handbook, Leo L Grigsby The Electronics Handbook, Jerry C Whitaker The Engineering Handbook, Richard C Dorf The Handbook of Formulas and Tables for Signal Processing, Alexander D Poularikas ... Mohammad Ilyas and Hussein T Mouftah The Industrial Electronics Handbook, J David Irwin The Measurement, Instrumentation, and Sensors Handbook, John G Webster The Mechanical Systems Design Handbook,...
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Tài liệu Điều khiển chống tắc nghẽn trong các mạng NGN – toàn IP Congestion Control in NGN – All IP Networks pptx
... S Shenker, J Wroclawski, and L.Zhang Recommendations on queue management and congestion avoidance in the internet RFC 2309, April 1998 [4] Dang-Hai Hoang Quality of Service Control in the Mobile ... 2004 [8] D Katabi, M Handley, and C Rohrs Congestion control for high bandwidth-delay product networks Proceedings of ACM SIGCOMM’02, August 2002 [9] I Stoica, S Shenker, and H Zhang Core-stateless ... SureStream(tm), Delivering Superior Quality and Reliability http://www.real.com/devzone/library/ whitepapers/surestrm.html,1998 [21] R Rejaie, M Handley, and D Estrin RAP: An Endto-End Rate-base...
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Advanced Security Management in Metro Ethernet Networks* pptx
... perhaps the network and service security Business and residential customers are reluctant to subscribe to services unless service providers guarantee that their transactions and online activities ... Between 50 and 100 Between 10 and 50 Below 10 Alert State Critical High Medium Low Network and Resource Rules Network and Resource of the network (PLP) > 01 Between 01 and 01 Between 001 and 0001 ... able to use services without paying the service provider Users are concerned about such security issues and are reluctant to sign up for services until these are being addressed by the service providers...
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Báo cáo " GA-based dynamic survivable routing in WDM optical networks with shared backup paths " pdf
... channels are (3 for the primary lightpath and for the backup lightpath) and (4 for the primary lightpath and for the backup lightpath) for case (a) and case (b) respectively, i.e., case (a) needs ... time and can guarantee 100% of recovery ability, but require more network resources Protection schemes are divided into path protection and link protection In the former, a working path and a ... illustration, Fig.1 shows an example of a network topology and a cycle between node and node 5: the coding of two routes from node to node are (0, 2, 5) and (0, 4, 5) that form the cycle (0, 2, 5, 4, 0)...
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survivability and traffic grooming in wdm optical networks
... survivability and traffic grooming in optical networks The goal is to create a highly useful and interesting book that is imbued with new options and insights for industry and academia to enjoy and benefit ... the behavior of random wavelength assignment, and therefore analytical models usually assume random wavelength assignment However, the wavelengths used are randomly distributed and mixed with free ... developed the SONET (synchronous optical network) standard and standardized the concept of self-healing rings It was soon followed by the equivalent standard named SDH (synchronous digital hierarchy)...
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Báo cáo toán học: " Probabilistic framework for opportunistic spectrum management in cognitive ad hoc networks" potx
... E[Pint ] (7) Pint Using the probabilities of clear and unclear spectrum given by (5) and (6) and the multiple and single SU probabilities given by (10) and (11), the average rate of a SU is written ... increases with the traffic demands at b equals to and %10 For instance, maximum gain of 119.5 and 138% is Page 11 of 15 achieved at Mbps and 7.5 Mbps for b equals to and 10%, respectively However, ... CRN demand = 35 Mbps (b) High CRN demand Figure The distribution of channel utilization for b equals to 5% a Low CRN demand; b High CRN demand probability of PRNs using channel 1, 4, and for...
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Báo cáo hóa học: " Probabilistic framework for opportunistic spectrum management in cognitive ad hoc networks" pdf
... E[Pint ] (7) Pint Using the probabilities of clear and unclear spectrum given by (5) and (6) and the multiple and single SU probabilities given by (10) and (11), the average rate of a SU is written ... increases with the traffic demands at b equals to and %10 For instance, maximum gain of 119.5 and 138% is Page 11 of 15 achieved at Mbps and 7.5 Mbps for b equals to and 10%, respectively However, ... CRN demand = 35 Mbps (b) High CRN demand Figure The distribution of channel utilization for b equals to 5% a Low CRN demand; b High CRN demand probability of PRNs using channel 1, 4, and for...
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Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... our solution and give its detailed algorithms Section is devoted to an analysis and a simulation of the proposed solution Section concludes our work Background and Motivation Key management is ... with random deployment Eschenauer and Gligor [14] propose a scheme based on a random key predistribution In this scheme, each sensor randomly picks a set of keys and their identifiers from a key ... Depends on m and p1 Good Depends on m and p2 Medium memory Complexity Key Infection [6] BROSK [9] Lightweight Key Management System [10] Blom Scheme [7] Polynomial scheme [8] SPINS [11] Random key...
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Báo cáo hóa học: "Research Article Admission Control and Interference Management in Dynamic Spectrum Access Networks" pot
... band, the arrival of a PU will force the termination of one SU when there are N − i + SUs in the second band, of two SUs when there are N − i + SUs in the second band, and so on The second and ... and λ1 = 4.4612, which we consider a practical value Recall that system (S2) deploys the conventional random channel allocation algorithm, while systems 3a (S3a) and (S4) deploy CAP and CAP and ... obtained for systems 3a and Recall that systems 3a and 5a not support SH, deploy CAP but no repacking, while systems and 5b support SH, deploy CAP and repacking However, S5a and S5b deploy the adaptive...
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Báo cáo hóa học: " Research Article Profile-Matching Techniques for On-Demand Software Management in Sensor Networks" potx
... in this paper allows the dynamic adaptation of WSN to changing application demands and corresponding resources constraints This strongly influences the lifetime and coverage of sensor networks ... depicted in Figure Five Mica2 and Mica2dot sensor motes are used to demonstrate the profile matching and reprogramming approach ON-DEMAND WSN MAINTENANCE: DETAILS AND METHODS In the following sections, ... current configuration and the matching profiles The goal is to create a binary that runs on the node described by NP and contains all applications and modules described by AP∗ and MP∗ extracts...
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Báo cáo hóa học: " Research Article Profile-Matching Techniques for On-Demand Software Management in Sensor Networks" doc
... in this paper allows the dynamic adaptation of WSN to changing application demands and corresponding resources constraints This strongly influences the lifetime and coverage of sensor networks ... depicted in Figure Five Mica2 and Mica2dot sensor motes are used to demonstrate the profile matching and reprogramming approach ON-DEMAND WSN MAINTENANCE: DETAILS AND METHODS In the following sections, ... current configuration and the matching profiles The goal is to create a binary that runs on the node described by NP and contains all applications and modules described by AP∗ and MP∗ extracts...
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Resource Management in Satellite Networks pot
... GHz (Ka band) Downlink: 3.7-4.2 (C band), 11.7-12.2 (Ku band), 18.3-18.8 and 19.7-20.2 GHz (Ka band) IPStar GEO Broadband access, Intranet and VPN, Broadcast/Multicast, Video on Demand, Voice, ... Satellite Service (BSS): 2/2.2 GHz (S band), 12 GHz (Ku band), 2.6/2.5 GHz (S band) These services deal with direct broadband broadcast transmissions through public operators In particular, the Ku band ... 6.4 Handover and CAC algorithms for non-GEO satellite systems 6.4.1 Intra-satellite handover and CAC schemes 6.4.2 Inter-satellite handover and CAC schemes ...
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Resource Management in Satellite Networks part 35 potx
... individual services and their requirements These blocks are called ‘frequency bands’ and are allocated to services on an exclusive or shared basis The full list of services and frequency bands allocated ... for multimedia services, 68 Background services, 76 Conversational services, 70 Interactive services, 73 Performance requirements, 70, 73, 74, 76 QoS based IP models, 76 Streaming services, 74 ... demand due to the rapid development of new radio-based services and the enormous popularity of mobile communication technologies In its role as global spectrum coordinator, ITU-R develops and...
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Resource Management in Satellite Networks part 1 doc
... satellite service, broadcast satellite service, and mobile satellite service Particularly relevant is the significant global success of broadcast satellite services for both analogue and digital ... Preface four growing market areas are messaging and navigation services, mobility services, video delivery services, and interactive multimedia services In addition to this, interesting areas ... Resource Management in Satellite Networks Optimization and Cross-Layer Design This page intentionally left blank Resource Management in Satellite Networks Optimization and Cross-Layer...
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Resource Management in Satellite Networks part 2 pot
... 6.4 Handover and CAC algorithms for non-GEO satellite systems 6.4.1 Intra-satellite handover and CAC schemes 6.4.2 Inter-satellite handover and CAC schemes ... allocation and control schemes 2.4 CAC and handover algorithms 2.4.1 Handover algorithms 2.5 RRM modeling and simulation ... conversational services 3.2.2 Performance requirements for interactive services 3.2.3 Performance requirements for streaming services 3.2.4 Performance requirements for background services-applications...
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Resource Management in Satellite Networks part 3 pptx
... Satellite Service (BSS): 2/2.2 GHz (S band), 12 GHz (Ku band), 2.6/2.5 GHz (S band) These services deal with direct broadband broadcast transmissions through public operators In particular, the Ku band ... GHz Ku band from 12 to 18 GHz K band from 18 to 26 GHz Ka band from 26 to 40 GHz V band from 40 to 75 GHz These bands, composing the microwave spectrum, are actively used in commercial and military ... 8/7 GHz (X band), 14/12-11 GHz (Ku band), 30/20 GHz (Ka band), 50/40 GHz (V band) These services concern communications with fixed terrestrial terminals; moreover, they are often broadband (typically...
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Resource Management in Satellite Networks part 4 doc
... GHz (Ka band) Downlink: 3.7-4.2 (C band), 11.7-12.2 (Ku band), 18.3-18.8 and 19.7-20.2 GHz (Ka band) IPStar GEO Broadband access, Intranet and VPN, Broadcast/Multicast, Video on Demand, Voice, ... 2483.5-2500 MHz (S band) Iridium Mobile satellite system FDMA/ voice and data services TDMA TDD for both uplink and downlink Uplink: 1616-1626.5 MHz (L Band) Downlink: 1610-1626.5 MHz (L Band) ICO is ... [km] Services Access scheme Frequency bands GlobalStar 48 LEO, 1414 Mobile satellite system Combined voice and data services FDMA & CDMA (uplink and downlink) Uplink: 1610.0-1626.5 MHz (L band)...
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Resource Management in Satellite Networks part 5 pdf
... have fixed characteristics, in terms of bandwidth and duration Whereas, in the latter case, besides bandwidth and time-slot duration, both transmission rate and code rate can be changed in consecutive ... described below [16],[26]: mode adaptation, stream adaptation, FEC encoding, modulation mapping, physical layer framing, base-band filtering and quadrature modulation Mode adaptation There are three ... coding and modulation format can change for each new PLFRAME Base-band filtering and quadrature modulation This function is used for a tighter bandwidth shaping (squared-root raised cosine) and to...
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Resource Management in Satellite Networks part 6 pps
... U-plane services – Data Transfer : These services are used to send and receive user data via the SI-SAP Data transfer services can be used for both unicast and multicast data transfer C-plane services ... used to define standard SI bearer services that are built upon lower layer transmission services Point-to-point, point-to-multipoint, multipointto-multipoint and broadcast bearer services are defined ... M-plane services are defined in the standard 34 Giovanni Giambene 1.6 Novel approaches for satellite networks The increasing demand for multimedia broadband services and high-speed Internet access...
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Resource Management in Satellite Networks part 7 docx
... Broadband Satellite Multimedia; Services and Architectures”, TR 101 984 V1.1.1 (2002-11) [33] ETSI, “Satellite Earth Stations and Systems (SES); Broadband Satellite Multimedia (BSM) Services and ... scheduling, transmission and coding rate control, beam and bandwidth allocation); Power allocation and control schemes, which control the transmitter power; CAC and handover algorithms, which ... Coding and Modulation Systems for Broadcasting, Interactive Services, News Gathering and other Broadband Satellite Applications (DVB-S2)”, EN 302 307 [17] ETSI, “Satellite Earth Stations and Systems...
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