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 th...

Ngày tải lên: 27/11/2015, 12:11

... 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 chap...

Ngày tải lên: 10/09/2015, 15:53

... 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-drive...

Ngày tải lên: 24/10/2013, 09:20

... 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 counterexamp...

Ngày tải lên: 16/02/2014, 06:20

... 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:...

Ngày tải lên: 17/03/2014, 10:20

... 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 cha...

Ngày tải lên: 20/03/2014, 13:04

... 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 topo...

Ngày tải lên: 22/03/2014, 11:20

... 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...

Ngày tải lên: 01/06/2014, 14:04

... 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 ev...

Ngày tải lên: 18/06/2014, 17:20

... 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,...

Ngày tải lên: 20/06/2014, 21:20

... 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,...

Ngày tải lên: 20/06/2014, 22:20

... 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 Applicatio...

Ngày tải lên: 20/06/2014, 22:20

... 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...

Ngày tải lên: 20/06/2014, 22:20

... 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 nega...

Ngày tải lên: 20/06/2014, 22:20

... [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 t...

Ngày tải lên: 21/06/2014, 05:20