ON THE SENSING PERIOD FOR OPPORTUNISTIC SPECTRUM ACCESS

... holes for transmission in the OSA model, the statistics of the PU spectrum activities have significant impact on SU’s transmission Therefore, the performance of spectrum sensing and modeling of spectrum ... different PU ON/ OFF models The contribution of this thesis is three-fold Firstly, we will derive the closed-form expression of the performance metrics for the SU spectrum sensing under three PU ON/ OFF ... error and missed detection error are related to sensing duration Td only, but not the sensing period Ts 1.3 Motivations and Contributions The performance of spectrum sensing is crucial in CR...

Phy layer and mac layer protocol design and performance analysis for opportunistic spectrum access in cognitive radio networks

... both physical (PHY) layer and medium access control (MAC) layer In this thesis, we focus on cognitive radio networks (CRN) and aim to improve the spectrum sensing performance at the PHY layer and ... Sensing Strategies for Cognitive Radio Mesh Networks Chapter Cooperative Spectrum Sensing Strategies for Cognitive Radio Mesh Networks In this chapter, we consider cooperative spectrum sensing for ... Random Access Model 19 IEEE 802.11 MAC Protocol in WLAN and Multi-hop Networks 20 Cooperative Spectrum Sensing Strategies for Cognitive Radio Mesh Networks 24 3.1 Introduction...

The Six Driving Forces That Affect Your Business Plan _ And How to Focus on the Best One for Your Company’s Needs

... Consumers are getting the hang of this get -the- mostfor -your- money method of evaluating their purchases The Six Driving Forces That Affect Your Business Plan HOW 169 TO FIND A SINGLE FOCUS TO ... during the Dark Ages The Six Driving Forces That Affect Your Business Plan 167 THE PAYOFF-DRIVEN ORGANIZATION: CATERING TO STATUS A payoff-driven organization is one that understands the basic ... principal focus and relegate the other five to secondary drivers Put the single focus in your strategic plan and save the other five for your operational plan They are important but not the central force...

Tài liệu Đề tài " On the classification problem for nuclear C -algebras " pdf

... trivially on each F ∈ FR The information which goes undetected by FR is thus complicated indeed ON THE CLASSIFICATION PROBLEM FOR NUCLEAR C ∗ -ALGEBRAS 1041 Some remarks on the classification problem ... Annals of Mathematics, 167 (2008), 1029–1044 On the classification problem for nuclear C -algebras By Andrew S Toms Abstract We exhibit a counterexample to Elliott’s classification conjecture for simple, ... precisely that ˜ of [V1] The reason for the speci c choice of point evaluations will be made clear shortly.) Straightforward calculation shows that the projection pi ∈ Bi corresponds to a complex...

MAKING THE ECONOMIC CASE: A Primer on the Economic Arguments for Mainstreaming Poverty-Environment Linkages into Development Planning potx

... Environment for the MDGs MAKING THE ECONOMIC CASE: A Primer on the Economic Arguments for Mainstreaming Poverty-Environment Linkages into Development Planning UNDP-UNEP Poverty-Environment Initiative ... capacity-strengthening programmes and carry out activities to address the particular poverty-environment context Making the Economic Case: A Primer on the Economic Arguments for Mainstreaming Poverty-Environment ... Steps and Data Needs in Making an Economic Case for Environmental Investment STEP DATA NEEDS Framing the argument – emphasis on more qualitative data Treating the environment base as an economic asset...

influence of binders on the sensing and electrical characteristics of wo3-based gas sensors

... by changing the distribution of interface states and the electron occupation on them In some cases, even the concentration of the adsorbed gas ions can be measured from the change of potential ... rather than the temperature dependence of adsorptionrdesorption kinetics of NO x gas region width, and e is the permittivity of the semiconductor From the charge neutrality condition between the ... ambient gas and the electrical resistance in NO x gas It is discussed, from these facts, that the binders affect the gas sensing characteristics of WO film through the modification of the chemical...

Báo cáo " On the matheron theorem for topological spaces" doc

... section we will prove some results on the extending of Matheron theorem for topological space In Section we will show some examples about the spaces F which are unseparated or non-Hausdorff for the ... non-Hausdorff for the miss-and-hit topology On the Matheron theorem Theorem 2.1 If E is a separable and Hausdorff topological space, then the miss-and-hit topology on space F is separable K Proof Let ... n} Therefore F ∈ F Ki0 FGj1 FGjn The theorem is proved Remark The proofs of Theorem 2.1 and 2.2 are analogous as the proof of the Main theorem in [3] In [3], the authors showed that if E is a...

Two essays on the accounting treatment for information technology expenditures

... TWO ESSAYS ON THE ACCOUNTING TREATMENT FOR INFORMATION TECHNOLOGY EXPENDITURES A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Accounting ... situation intensified by the evolution of the U.S economy into an information- based economy, which then requires stakeholder use of external information to construct appropriate proxies for IT on the ... INTRODUCTION This dissertation addresses issues on the accounting treatment for information technology (IT) expenditures and includes two parts The first part contains an essay discussing the business...

báo cáo sinh học:" Focusing on the essentials: learning for performance Catherine J Murphy" pptx

... Implementation and logistics monitoring Essential skills and knowledge Figure The instructional design process and Learning for performance steps The instructional design process and Learning for performance ... needed by the community and the related job tasks and facility improvements to provide these services They then revised the learning objectives, content and evaluation methods to address these job ... health workers to their jobs and on effective learning methods while addressing the factors in the learning and work environment that ensure application of new skills on the job These qualities...

Báo cáo toán học: " Probabilistic framework for opportunistic spectrum management in cognitive ad hoc networks" potx

... of inter-flow coordination Rate-adaptive probabilistic approach for opportunistic spectrum access In this section, we propose the rate-adaptive probabilistic (RAP) framework for spectrum sensing ... Decentralized cognitive MAC for opportunistic spectrum access in ad hoc networks: a POMPD framework IEEE J Sel Areas Commun 25(3), 589–600 (2007) S Huang, X Liu, Z Ding, Opportunistic spectrum access in cognitive ... strategy for spectrum sharing in opportunistic spectrum access network in Proceedings of IEEE ICC Workshops Beijing (2008) C Raman, RD Yates, NB Mandayam, Scheduling variable rate links via a spectrum...

Báo cáo hóa học: " Probabilistic framework for opportunistic spectrum management in cognitive ad hoc networks" pdf

Báo cáo hóa học: " A note on the complete convergence for sequences of pairwise NQD random variables" potx

... variable sequences and NA random variable sequences are the most important and special cases of pairwise NQD random variable sequences, then we have the following results as two corollaries of ... this article as: Huang et al.: A note on the complete convergence for sequences of pairwise NQD random variables Journal of Inequalities and Applications 2011 2011:92 Submit your manuscript to a ... PY: On the strong law of Large numbers for pairwise NQD random variables Acta Math Sci 25(3), 386–392 (2005) Gan, SX, Chen, PY: Some limit theorems for sequences of pairwise NQD random variables...

Báo cáo hóa học: " Neumann problem on the semi-line for the Burgers equation" pdf

... solution In this section, we consider a particular solution of the Neumann problem (2a-2e) for the Burgers equation (1), and derive the corresponding expression for z(t) A solution to the Burgers ... put in a more explicit form the previously given prescription to solve the Neumann problem on the semi-line, (1) and (2a-2e), for u(x, t): Given the Neumann data on the semi-line, (2a-2e), compute ... technique for solving a nonlinear integro-differential equation like (11) On the other hand, the determination of the solution u(x,t) has been reduced to the solution of the nonlinear integral equation...

Báo cáo hóa học: " A note on the complete convergence for arrays of dependent random variables" docx

... independent random variables have been extended to dependent random variables by many authors The concept of negatively associated random variables was introduced by Alam and Saxena [6] and carefully ... complete convergence theorems for negatively associated and negatively dependent mean zero random variables The following lemma is an exponential inequality for negatively dependent random variables ... 393–397 (2007) 10 Dehua, Q, Chang, KC, Giuliano Antonini, R, Volodin, A: On the strong rates of convergence for arrays of rowwise negatively dependent random variables Stoch Anal Appl 29, 375–385...

Báo cáo hóa học: " Research Article QoS-Guaranteed Power Control Mechanism Based on the Frame Utilization for Femtocells Pavel Mach and Zdenek Becvar" pot

... [18] P Mach and Z Becvar, “Dynamic power control procedure for femtocells based on frame utilization, ” in Proceedings of the International Conference on Wireless and Mobile Communication (ICWMC ... sections The last section gives our conclusions Related Works The power control mechanism may be implemented either in an uplink or in a downlink direction In the former case, a transmission power ... subsections The assessment of parameters inﬂuencing frame utilization is delivered in the ﬁrst subsection The second subsection analyses the dependence of frame utilization on FAPs transmitting power...

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Từ khóa: Biện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọ Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Phối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọ Phát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninh Phát hiện xâm nhập dựa trên thuật toán k means Nghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chế Nghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúng Nghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000 Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Thơ nôm tứ tuyệt trào phúng hồ xuân hương Kiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2 Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM QUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ