a step towards cognitive radio

Báo cáo khoa học: "A step towards the detection of semantic variants of terms in technical documents Thierry Hamon and Adeline " potx

Ngày tải lên : 23/03/2014, 19:20

... notable (notable deterioration) fausse manoeuvre (wrong operation) action de l'op~rateur (action of the operator) capacit~ interne (internal capacity) capacit~ totale (total capacity) capacit~ ... Connectionist, Statistical and Symbolic Approaches to Learning/or Natural Language Processing, pages 425-438, Springer J Klavans, C Jacquemin, and E Tzoukermann 1997 A natural language approach to multi-word ... i n g a general language dictionary for specialized corpora As domain specific semantic information is seldom available, our aim is to evaluate the relevance and usefulness of general semantic...

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a two-step resource allocation algorithm in multicarrier based cognitive radio systems

Ngày tải lên : 08/07/2014, 17:03

... total power, PT , and the maximum power that can be allocated to each subcarrier, PiM ax Step Find the set of subcarriers A ⊂ N (See Fig 3) in which PiW.F = PiM ax and evaluate the left available ... research work towards better radio resource management ACKNOWLEDGEMENT This work was partially supported by the European ICT-2008211887 project PHYDYAS and Generalitat de Catalunya under grant ... can be easily shown that the maximum data rate in downlink can be obtained if the subcarriers are assigned to the user who has the best channel gain for that subcarrier as described in Algorithm...

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báo cáo hóa học: " ZAP: a distributed channel assignment algorithm for cognitive radio networks" pot

Ngày tải lên : 21/06/2014, 02:20

... is used, as it is able to accurately approximate the behavior of a fading radio channel in burst applications Parameters were adjusted so that the GE model yields 5% average packet loss and loss ... comparison purposes: the Centralized Tabu-Based Algorithm (CTBA) [6] and a random channel attribution method (RANDOM) We evaluate the performance of channel assignment by analyzing the percentage ... secondary users Acknowledgements This study has been partially supported by CNPq, FAPERJ, and Fundação Araucária (Brazilian agencies) Author details Pontifical Catholic University of Paraná (PUC-PR),...

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Báo cáo hóa học: " Research Article Channel Sensing without Quiet Period for Cognitive Radio Systems: A Pilot Cancellation Approach" ppt

Ngày tải lên : 21/06/2014, 05:20

... the channel measurement reporting for channel adaptation mechanism (e.g., the power control and the adaptive modulation and coding) is usually carried out frame-by-frame basis If the channel ... is assumed that the channel state for a CR transmitter-receiver pair does not vary during a frame For pilot signal, a total of M × L OFDM symbols are transmitted in a frame (see Figure 2) We assume ... condition changes largely during a frame, the channel estimation is likely to be inaccurate, and the system performance can be severely degraded To avoid this situation, the frame length in practical...

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Báo cáo hóa học: "Research Article A Uniﬁed Approach to Optimal Opportunistic Spectrum Access under Collision Probability Constraint in Cognitive Radio Systems" pptx

Ngày tải lên : 21/06/2014, 19:20

... performances of two approaches: transmit-ﬁrst OSA (TFOSA) approach and transmit-last OSA (TLOSA) approach TFOSA means that the secondary user starts to transmit at the ﬁrst time slot and keeps transmitting ... utilization of optimal OSA approach is still better than that of TFOSA approach In (b), both collision probability increase of optimal OSA approach and that of TFOSA approach are more than 0.01 ... T t/adt − x a x+T f (t)dt x+T x a 1/adt + T x+T 1/adt (B.5) (a − x − T/2)T a (A. 12) It can easily obtained that and available transmission duration is T a = ∞ (A. 13) (4) It is easily obtained...

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Báo cáo y học: "Measuring metacarpal cortical bone by digital x-ray radiogrammetry: a step forward" pot

Ngày tải lên : 09/08/2014, 14:22

... protect against both local joint damage and cortical metacarpal bone loss? The answer is yes, as shown for combination therapy of MTX with adalimumab, for combination therapy with MTX and prednisone ... data on bone markers, such as the RANKL/ osteoprotegerin ratio and bone and cartilage markers (CTX-1 and -2), which independently predict radiographic joint damage in RA [10,11] The main disadvantage ... standard x-rays of the hands and because of the early finding of local hand bone loss On the other hand, the devices to measure the metacarpals are not widely available, and sending the digital...

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Social Phobia as a Consequence of Cognitive Biases

Ngày tải lên : 01/11/2013, 08:20

... possibility that a cognitive factor À ‘‘bias,’’ if that is what it is À plays a causal role in social phobia Bias in this context, rather than referring to any activity characterizing social phobia, fits ... questionnaire are unavailable, as are most elements of validity For now, it is hard to tell what exactly the CSAQ is a measure of Fear of Negative Evaluation (FNE: Watson & Friend, 1969) As the SAD ... on cognitive variables In the remaining 10 studies, the cognitive modification technique was either an element in a package (e.g a cognitive- behavioral therapy or CBT) or a phase in a treatment...

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A study on cognitive metaphors of negative emotions in english and vietnamese

Ngày tải lên : 26/11/2013, 13:17

... Cross-cultural Communication According to Kövecses, people, living in a certain kind of habitat, are familiar with things and phenomena that are characteristic of that habitat; and they will make use ... in paper books, ebooks and online stories 3.3 DATA ANALYSIS On the basis of 960 metaphorical expressions of ANGER, SADNESS and FEAR, data analysis is carried out following these steps: - classify ... substance in a container can be either a pure substance or a mixture of several substances, this characteristic brings about the submetaphors ANGER IS A PURE SUBSTANCE and ANGER IS A MIXED SUBSTANCE...

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How to write an effective biz plan a step by step guide

Ngày tải lên : 10/12/2013, 09:08

... nghệ châu (AITCV), Hà nội hợp tác với SEAQIP Vietnam tổ chức www.planware.org, Viết kế hoạch kinh doanh, 2001 Practical Business Planning for newventure Kế hoạch kinh doanh tài liệu tham khảo DIRECTION ... nên chuyển sang đơn vị đô-la Mỹ a tỷ giá hối đoái sử dụng Cung cấp thông tin đồng tiền nội đ a Practical Business Planning for newventure 23 tài liệu tham khảo Kế hoạch kinh doanh a Công ty phải ... vào m a hè nhiệt độ cao Practical Business Planning for newventure 35 tài liệu tham khảo Kế hoạch kinh doanh Sau số hớng dẫn giúp bạn hoàn thành bảng Sử dụng số doanh thu gần làm sở dự báo ban đầu,...

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The small business start up kit a step by step legal guide, 6 edition

Ngày tải lên : 05/01/2014, 14:28

... trademark or a service mark As you can see, a name can wear a bunch of different hats: It can be a trade name, a legal name, and a trademark (or service mark) all in one Legal Name Trade Name ... corporation’s marginal tax rate—the tax rate a corporation would pay on the last dollar of its income—would be 34% Initial rates of corporate taxation are comparatively low (see “Marginal Tax Rates ... commercial leases; Patti Gima and Steve Elias for lending their expertise in domain names and trademark law; and James Judd for assistance with the information on Internet sales taxes As always, I was...

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Learning PHP, MySQL, and javascript a step by step guide to creating dynamic websites

Ngày tải lên : 24/01/2014, 15:00

... include at least Internet Explorer, Mozilla Firefox, Opera, Safari, and Google Chrome What Is a WAMP, MAMP, or LAMP? WAMP, MAMP, and LAMP are abbreviations for “Windows, Apache, MySQL, and PHP,” “Mac, ... Variables Numeric Variables Arrays Operators Arithmetic Operators Assignment Operators Comparison Operators Logical Operators Variable Incrementing and Decrementing String Concatenation Escaping ... 115 Basic Access Numerically Indexed Arrays Associative Arrays Assignment Using the array Keyword The foreach as Loop Multidimensional Arrays Using Array Functions is_array() count()...

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Tài liệu COGNITIVE RADIO ARCHITECTURE pptx

Ngày tải lên : 25/01/2014, 17:20

... Self-Awareness: Aware, Adaptive, Self-Conscious An AACR containing a data structure could be self-aware Built-in test (BIT) may aggregate self-descriptive data in a way that is tantamount ... adaptive radio (AAR) is programmed to adapt itself to some aspect of a 1.3.1 Adaptation Within Policy A radio that senses an unused TV channel and adapts its transmission to use that RF channel ... self-adaptive BIT that overcomes hardware 30 TECHNICAL OVERVIEW faults implements this level of self-adaptation The SCA facilitates adaptation to the hardware and software resources available If an...

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Tài liệu BUSINESS IMPROVEMENT DISTRICT: a step-by-step guide pptx

Ngày tải lên : 18/02/2014, 00:20

... in such a way as to ensure that property owner data and commercial tenant data are kept separate Please maintain this format The tax block and lot numbers and address All required data will be ... their area Several advantages result from this arrangement: " " a cleaner, safer and more attractive business district a steady and reliable funding source for supplemental services and programs ... can gather this data directly by personally contacting tenants Personally contacting these individuals is not only Mailing addresses for all property owners and a way to gather accurate data,...

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Tài liệu THE PLAN A Step-By-Step Business Plan Workbook ppt

Ngày tải lên : 18/02/2014, 00:20

... invested Retained Earnings Income earned and kept in the business Total Capital Add Owners Investment and Retained Earnings Total Liabilities & Capital Add Liabilities and Capital Equal to Total Assets ... to another lender or seek alternative ﬁnancing $ WHAT COLLATERAL ARE YOU OFFERING? $ Collateral is assets the bank $ has a lien on and will take if $ you can’t repay the loan Collateral can be ... real estate, and personal property • Liabilities: notes payable, mortgages on real estate and unpaid taxes • Loans/mortgages: monthly payment amount and a copy of the last statement • Three years...

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Undertaking a clinical audit project: a step-by-step guide docx

Ngày tải lên : 06/03/2014, 19:20

... standards The reasons for setting standards at Stage and at Stage are outlined in Table 2.2 TABLE 2.2 The purposes of setting standards at Stage and Stage STAND ANDARDS AT STAGE STANDARDS SET AT ... Developing standards facilitates discussion among staff about a particular aspect of care and inspires some reading of the relevant literature Comparing current practice against standards can highlight ... standards • examine whether standards need altering EXAMPLE: CLINICAL AUDIT ON STAND ANDARDS STAGE – SET STANDARDS PREPARING PREPARING FAMILIES FOR ASSESSMENT Standards set (a) (b) 95% of parents/carers...

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Do it yourself home energy audit: A step-by-step guide for identifying and improving your home’s energy efficiency pot

Ngày tải lên : 06/03/2014, 23:20

... which can mean poor performance and durability ■ Thermal Imaging - measures surface temperatures using infrared cameras and creates a visual image of heat loss The cameras detect radiation in ... spray foam to seal leaks Attic/Crawl Space/Basement Use spray foam to seal irregular gaps around pipe and wire penetrations Caulk is effective for small holes In attics, crawlspaces and basements ... even a garage Floor insulation for these areas is often overlooked Check cantilevered areas for insulation and air leaks At a cantilevered floor over a porch, garage or basement you may find a light...

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Báo cáo khoa học: A novel metallocarboxypeptidase-like enzyme from the marine annelid Sabellastarte magniﬁca – a step into the invertebrate world of proteases pdf

Ngày tải lên : 07/03/2014, 02:20

... gamus, Molgula occidentalis and Pyura vittata); 11 species of Cnidaria (Bartholomea annulata, Budonosoma granulifera, Cassiopea xamachana, Condylactys gigantea, Gorgonia ventalina, Lebrunia danae, ... Mollusca, Echinodermata, Arthropoda and Chordata, amongst others, collected on the coasts of Havana, Cuba The 4876 Fig S magniﬁca Phylum Annelida, Class Polychaeta, Subclass Palpata, Order Canalipalpata, ... danae, Palythoa caribaeorum, Physalia physalis, Plexaura homomalla, Stichodactyla helianthus and Zoanthus pulchellus); two species of Annelida (Sabellastarte magniﬁca and Hermodice carunculata);...

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Advances in Cognitive Radio Systems pptx

Ngày tải lên : 07/03/2014, 21:20

... different values of the bias voltages To that aim a small signal voltage probe10 is introduced at the node P and a frequency swept AC analysis is carried out, measuring the real and imaginary part admittance ... Chapter Wideband Voltage Controlled Oscillators for Cognitive Radio Systems Alessandro Acampora and Apostolos Georgiadis Chapter Control Plane for Spectrum Access and Mobility in Cognitive Radio ... bias combination DVCO implementation and measurements results After the nonlinear simulations were carried out, a DVCO prototype was fabricated taking advantage of local facilities (Acampora...

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Renting your holiday home a step by step guide pptx

Ngày tải lên : 09/03/2014, 02:20

... photos, a rental rates table, an interactive map, a facilities table, an availability calendar, and guest reviews Headline On HomeAway.co.uk, your headline shows up at the top of your listing and ... negotiate a rental rate that is fair to both you and the holidaymaker and get the stay booked Follow up via mail As soon as you receive an email enquiry, reply with a confirmation of status (available ... reservation calendar • Use our calendar to organise bookings • Track availability with reserved, tentative, and not available statuses • Store reservations and guest information in a central location...

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A Step By Step Guide To Getting Your Financial Life On Track pot

Ngày tải lên : 16/03/2014, 21:20

... Reach Your Financial Goals When you follow a budget, you can allocate money to reaching your financial goals Maybe you want to save for things like retirement or a downpayment on a house Perhaps ... want to start saving money to start that business you've been dreaming of When you follow a budget, you have a plan to get where you want to go When you have a goal and plan to reach that goal, ... industry I have actually met a lot of low income earners that had higher net worths than many doctors and lawyers This is simply because they managed their money well and allocated a portion each month...

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