Performance analysis of queuing and computer networks

Stochastic optimal control and performance analysis of wireless ad hoc networks

... Decision Process Single-Agent: basic MDP, SMDP, HSMDP Mobile Ad Hoc Network Multi-Agent: DEC-POMDP How to Achieve Stability? How to Control & Optimize? How to Derive Bounds? Model-Based: DP Irreducibility, ... V-Uniform Ergodicity, Drift Conditions Model-Free: NDP/RL, Policy Gradient Main Contribution: Achieve Stability, Bounds, Optimal Control & Optimization simultaneously ệ ẵẵ è ì ì ẵẵ ểềỉệ Use Stability ... Geometric Drift Conditions Other Contributions: Decentralized Model-free Algorithm, Handle Partial Observability & Locality of Interaction ỉ ểềì ề ỉ ểềá ỉ ểềỉệểéé ểẹ ỉệ èể ỉ ệìỉ ìỉ é ỉí ề ề ề ỉ ệ ỉ...

Performance analysis of TCP and TCP friendly rate control flows in wired and wireless networks

... of TCP and TCP- friendly rate control flows for wired and wireless networks that have been referred in this thesis 2.1.1 Congestion Control in TCP The general congestion control framework of TCP ... evaluate the performance of ECN and BECN enabled TCP flows and TCP- friendly rate control flows for congestion control that gives optimal performance over wired and wireless networks In particular, ... property of being unicast TCPfriendly [70] The major advantage of TCP friendliness is that it ensures that coexisting TCP flows are given a “fair share” of bandwidth by non -TCP flows (such as UDP flows) ,...

Performance analysis of computer networks

... Performance Analysis of Computer Networks Matthew N.O Sadiku • Sarhan M Musa Performance Analysis of Computer Networks Matthew N.O Sadiku Roy G Perry College of Engineering Prairie ... communication networks mediate every aspect of life Communication networks are becoming commonplace and are helping to change the face of M.N.O Sadiku and S.M Musa, Performance Analysis of Computer Networks, ... performance analysis of computer networks play an important role in the design of computer communication networks Models are tools for designers to study a system before it is actually implemented Performance...

Principles of Digital Communication Systems and Computer Networks

... đặc biệt để khắc phục ảnh hưởng nhiễu Hai khía cạnh đưa Shannon báo “A Maththemathical Theroy of Communication xuất năm 1948 Bell System Technical Journal - nơi đưa lý thuyết thông tin Shannon ... định lý quan trọng cho kỹ sư truyền thông Tài liệu tham khảo C E Shannon "A Mathematical Theory of Communication. " Bell System Technical Journal, Vol 27, 1948 Tất kỹ sư truyền thông phải đọc báo ... thức, entropy H = 4.07 bit/ký hiệu Lưu ý: Hãy xem xét câu sau: "I not knw wheter this is undrstandble." Mặc dù thực tế số chữ tích câu bạn làm câu văn Nói cách khác, có nhiều khả dự phòng văn...

Báo cáo hóa học: " Performance analysis of spectrum sharing mechanisms in cognitive radio networks" pptx

... delay and mean waiting time are also in our considerations For evaluating the spectrum- sharing mechanisms in the CRN, metrics that we consider include force-termination probability of SU PFT-su, mean ... channels by sensing Different from traditional sensing-based CRNs, QoS guarantee for SUs has to be considered in spectrum- sharing mechanism design In Conclusion In the joint leasing and sensing-based ... in Proceedings of IEEE International Conference on Communications (ICC) 2010, Ottawa, Canada, 1–5 (May 2010) P Zhu, J Li, X Wang, Scheduling model for cognitive radio, in Proceedings of 3rd International...

Báo cáo hóa học: " Research Article Performance Analysis of Ad Hoc Dispersed Spectrum Cognitive Radio Networks over Fading Channels" potx

... fading, number of dispersed bands, modulation, and coding on the performance of dispersed spectrum cognitive radio systems The results show that the eﬀects of fading, number of dispersed bands, ... [25] Conclusion In this paper, the performance analysis of dispersed spectrum cognitive radio systems is conducted considering the eﬀects of fading, number of dispersed bands, modulation, and coding ... of m = for Nakagami-m fading channels, which represents Rayleigh fading channels The eﬀects of 3D node distribution on the eﬀective transport capacity of ad hoc dispersed spectrum cognitive radio...

Báo cáo hóa học: " Research Article Mean-Square Performance Analysis of the Family of Selective Partial Update NLMS and Afﬁne Projection Adaptive Filter Algorithms in Nonstationary Environment" doc

... tracking performance analysis of the family of SPU -NLMS and SPU aﬃne projection algorithms Based on this, the performance of Max -NLMS [22], N -Max NLMS [16, 23], the variants of the selective partial ... general performance analysis for the family of SPU -NLMS algorithms in the stationary environment can be found in [19, 20] The steady-state MSE analysis of SPU -NLMS in [19] was based on transient analysis ... performance of the SPU -NLMS algorithms was studied with the same assumption in [16] The results in [18] present mean square convergence analysis of the SPU -NLMS for the case of white input signals The...

báo cáo hóa học:" Research Article Virtual Prototyping and Performance Analysis of Two Memory Architectures" docx

... Chen, and D Koppelman, Memory performance and scalability of Intel’s and AMD’s dual-core processors: a case study,” in Proceedings of the 27th IEEE International Performance, Computing, and Communications ... Main Memory and the Memory Controller In the simulation model, the RAM has a capacity of GB and has an inbuilt memory controller conﬁgured to run at a speed of 1638.4 MHz At this speed and a ... controller Main Memory and the Memory Controller The dual-core Xeon contains a main memory of type RAMBUS with a speed similar to the memory connected to the Opteron The size of the RAM is GB and contains...

Báo cáo hóa học: " Research Article Design and Performance Analysis of an Adaptive Receiver for Multicarrier DS-CDMA" doc

... the performance of the CPIC receiver, and we can see that the APIC outperforms the CPIC for μ ∈ (0, 0.5) Under the same simulation settings, the BER performances of the one- and two-stage APIC receiver ... this paper, we designed an adaptive receiver for the multicarrier DS-CDMA system over Rayleigh fading channels and evaluated the performance of the system A closed form expression of the BER is ... Kondo and B Milstein, Performance of multicarrier DS CDMA systems,” IEEE Transactions on Communications, vol 44, no 2, pp 238–246, 1996 [15] W Xu and L B Milstein, “On the performance of multicarrier...

Báo cáo hóa học: " Research Article Modelling and Comparative Performance Analysis of a Time-Reversed UWB System" doc

... 10 and 11 The plots indicate the maximum, minimum, and average BER rates over all users for both All-RAKE and TR -UWB simulations, and also the average performance as based on the TR -UWB variance ... overviews a UWB and TR -UWB simulation, together with a comparative analysis of the theoretical and simulated results for a timereversed system Finally, Section gives all concluding statements and remarks ... is deﬁned as a statistically independent zero mean Gaussian random variable The ISI and MUI terms may be brought under the standard Gaussian approximation provided that the number of paths within...

Báo cáo hóa học: " Analysis of Multiuser MIMO Downlink Networks Using Linear Transmitter and Receivers" pot

... weight vector of the mth mobile station Consequently, we can write the multiuser MIMO antenna system as [19, 25] ˆ zm = r† Hm Tz + nm m ∀m (6) Analysis of Multiuser MIMIO Downlink Networks 251 ... Frobenius norm, and N (0, σ ) is the complex Gaussian distribution function with zero mean and variance σ 2.1 MULTIUSER MIMO SYSTEM MODEL Linear signal processing at transmitter and receiver The ... distribution, pn ’s and the weight vectors, so it will suffer high complexity and sometimes may not converge Therefore, we concentrate on the ZF method only Analysis of Multiuser MIMIO Downlink Networks...

Báo cáo hóa học: " Performance Analysis of Multiple-Symbol Differential Detection for OFDM over Both Time- and Frequency-Selective Rayleigh Fading Channels" doc

... application of (39) and (40), however, does not yield a tight bound of the bit error performance for TDMSDD and FD-MSDD over time- and frequency-selective Rayleigh fading channels As shown in [6] for ... Performance Analysis of MSDD for OFDM over Fading Channels (AWGN) channel In order to reduce this gap between the coherent detection and conventional DD, the multiple-symbol diﬀerential detection ... provide a good performance at a low computational complexity Since it has been shown that MSDD and DF-DD are Performance Analysis of MSDD for OFDM over Fading Channels equivalent and DF-DD can...

Báo cáo y học: " Computer simulation analysis of normal and abnormal development of the mammalian diaphragm" doc

... consequence of abnormal lung development, CDH as a consequence of abnormal phrenic nerve innervation, CDH as a consequence of abnormal myotube formation, and CDH as a failure of closure of the embryonic ... normal mammalian diaphragm and the events that underlie the abnormal development of CDH and other anomalies In particular, they can act as proving grounds for various theories of development and ... experimental embryology of mammalian diaphragm development There is now an evolving data set related to the embryology of the rodent diaphragm that targets both normal and various abnormal forms...

Characterization and performance analysis of bifacial solar cells and modules

... applications and challenges with bifacial solar cells and modules 10 Background 10 2.1.1 Bifacial solar cells and module structures 10 2.1.2 History of bifacial solar cells and modules ... solar cells and modules This thesis focuses on characterisation and standardisation of bifacial solar cells and modules, and on performance evaluation of these devices in indoor and outdoor environments ... increase the market share of bifacial solar cells and modules The development of robust characterisation techniques and standard tests for bifacial solar cells and modules is important for two...

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