wireless systems in ehealth

... ESPAR atthe receiving terminal are examined both in opportunistic beamforming and in MIMO broadcastchannel MU systems, optimizing correspondingly the SNR or the SINR of the forward link The use of ... patterns, in order to optimizethe performance of the forward link in opportunistic beamforming and MIMO broadcastchannel MU systems The presentation of our findings is organized in the following sec-tions ... transceiver is to perform adaptive signal combining in the RF domain.After combining, a single stream of data must be acquired and processed, thereby reducingcost and power consumption as compared

Ngày tải lên: 20/06/2014, 20:20

... algorithm It is intended to improve Best Channel by maintaining a balance between two competing interests: maximizing the total wireless network throughput while allowing a minimum level of service ... scheduling discipline and an ensured level of QoS Based on the effective bandwidth theory, the joint influence of the channel fading, the data outsourcing process, and the scheduling discipline in ... to obtaining the mean and the variance of the m u = E[c u[n]], σ2 u = E c2 u[n] − m2 which in turn depends on the scheduling algorithm Three scheduling disciplines will be detailed in next

Ngày tải lên: 21/06/2014, 11:20

... implementation 4.4 Training Algorithm The classification process basically consists of two phases: training phase and testing phase A training set is used in supervised training to present the proper ... that certain value A minimum SNR for which the FRP is less than 1%, SNRminhas been considered in these results Accordingly, the SNRmin for inter-class recognition (Case I) is 3 dB, for inter-class ... processing chain of different features subsets extraction Features extraction subsystem Features pre-processing Training phase using RPROP Classifier subsystem Features subset selection using PCA

Ngày tải lên: 21/06/2014, 16:20

... IEEE 802.11b systems are introduced Then the performance of these modulations in the two systems is evaluated under AWGN, fading channel and interference following the introduction 2.1 Indoor Channel ... 802.11 in the near future, the mutual interference between them has attracted much attention in the industry and academia area In order to mitigate interference between the two wireless systems, ... fading is explained carefully in Chapter 2 Also GFSK modulation used in Bluetooth and DSSS and CCK techniques used in 802.11b are introduced carefully and their performance under AWGN, fading

Ngày tải lên: 12/09/2015, 10:21

... optimality still remains open in general 1.2.2 Joint Information and Energy Scheduling in Trang 231 Information Receiver Energy Receiver Figure 1.4: Point-to-point SWIPT with co-channel interference ... Chapter 1 Introduction 1 1.1 Multi-User SWIPT System 2 1.2 Motivation 4 1.2.1 Interference Mitigation in GIC 4 1.2.2 Joint Information and Energy Scheduling in Point-to-Point SWIPT ... algorithms in the literature Then, we study the wireless system for SWIPT We start by considering thebasic setup of a point-to-point wireless link over the flat-fading channel subject to time-varying

Ngày tải lên: 15/09/2015, 21:49

... nodes, distinguishing them from conventional operating systems like Windows or Linux Unlike full-fledged operating systems, they do not feature advanced capabilities such as powerful scheduling, comprehensive ... checking, which includes both static and dynamic checks This process involves accessing memory to ensure that it remains within legal boundaries, achieved by thoroughly inspecting all memory instructions.LiteOSLiteOS ... detailing the data models, as the routing algorithm within the network layer plays a vital role in discovering routes and efficiently delivering data packets from their sources.Routing in wireless

Ngày tải lên: 20/10/2021, 21:49

... Technology She received her B.S in Industrial Engineering from North Carolina State University, Master of Engineering in Mechanical Engineering and Master of Business Administration from the University ... reduce the operating costs, increase efficiency, and reduce pollution in an effort to provide cleaner environments In addition, increased training on advanced equipment by well-trained employees ... sustainability plan In addition, using the energy efficiently and following ISO norms can minimize infrastructure costs The proposed energy and environmental management program, in coordination

Ngày tải lên: 05/09/2013, 15:28

... departments/processes, – to determine and coordinate necessary trainings such as on-job training, seminars, – to publish and revise the project plan, – interdepartmental communication When comparing to other sectors, ... important sectors in the Turkish economy in terms of GDP, employment and exports Turkey is one of the main actors in the world textile and clothing industry The Turkish clothing industry is the ... AHP-based decision support system for selecting ERP systemsin textile industry by using balanced scorecard Ufuk Cebeci* Department of Industrial Engineering, Istanbul Technical University, Macka,

Ngày tải lên: 07/12/2013, 11:41

... most other animals: arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine (NRC, 1993) 2.5.2 Lysine requirement Lysine requirement values ... survive and grow in shallow and turbid water, performs well in low-input extensive systems as well as in high-input intensive systems, is highly resistant to disease and parasites in comparison ... various farming systems of fresh water fish culture existing in Vietnam, including household pond culture, rice cum fish, the integration of fish culture with livestock farming and cropping - VAC

Ngày tải lên: 13/03/2014, 19:19

... health information systems The mental health of communities should be monitored by including mental health indicators in health information and reporting systems Such monitoring helps to determine ... SYSTEMSWell functioning health systems are essential for increasing access to health care and reducing the burden of disease In 2007, WHO published Everybody’s business: Strengthening health systems to ... prescribe in 71% of the reporting countries in Africa, in 38% of those in South-East Asia and in 25% of those in the Americas In contrast, none of the reporting countries in the Eastern Mediterranean,

Ngày tải lên: 15/03/2014, 01:20

... banking through bank holding companies and nationwide branching As a result of the Riegle-Neal Act and individual state laws that eased restrictions on interstate bank branching beginning in the ... and insurance firms The Gramm-Leach-Bliley Act created a new structure called a “financial holding company”, which may own subsidiaries engaged in banking and non-banking financial activities, including ... provide cash services to more than 9,600 depository institutions in the United States The remaining depository institutions obtain currency and coin from correspondent banks rather than directly

Ngày tải lên: 15/03/2014, 10:20

... switching to other sources of funding, such as suppliers' credit, internal financing, foreign credit lines, equity, or bonds This interpretation is in line with what as been observed during the ... nets were strong Interestingly, both the real lending interest rate and the spread rise significantly in the crisis year, possibly reflecting an increase in default risk premiums F Inflation, the ... percentage points 8 The central bank may play an active role in providing liquidity to the system by injectingliquidity in some banks and withdrawing it from others 9 This is supported by the findings

Ngày tải lên: 15/03/2014, 14:20

... Compiling, Linking, and Locating 28 3.1 The Build Process 28 3.2 Compiling 30 3.3 Linking 32 3.4 Locating 34 3.5 Building das Blinkenlights 36 Chapter 4 Downloading and Debugging ... World!" program And in those systems that are capable of supporting it, the printing of text strings is usually more of an endpoint than a beginning You see, the underlying assumption of the ... In some cases, two or more of the criteria are linked For example, increases in processing power could lead to increased production costs Conversely, we might imagine that the same increase in

Ngày tải lên: 17/03/2014, 13:20

... and probably the most convincing argument, the data in Table 1 confirms the findings for the confidence intervals that are found in Table 2 Indeed, the last column in Table 1 shows the average ... quality assessment sources, including the in-house credit assessment systems of national central banks,2 the internal ratings-based systems of counterparties and third-party rating tools (European Central ... A SINGLE “A” RATING In this section we derive a probability of default that could be assigned to a single “A” rating We are interested in this rating level because this is the minimum level at

Ngày tải lên: 22/03/2014, 20:20

... produce a rating differ across states States also differ in the level of autonomy afforded providers in earning a rating environ-In point systems, in which summary ratings are based on total points across ... discussion of accreditation in quality rating systems) associ-Quality Rating and Improvement Systems Quality rating systems are an increasingly popular tool for improving child-care quality They ... qualify for a given rating States may give programs more or less autonomy in meeting standards by choosing to combine rating data through point or block systems Point systems afford providers

Ngày tải lên: 23/03/2014, 03:20

... Integrated Development Initiative ECUIFA East and Central Uganda Integrated Farmers Association INCORET Indigenous Consultants, Researchers and Trainers MAAIF Ministry of Agriculture Animal Industry ... disease control measures, in the semi-intensive system farmers practice disease control strategies by having regular vaccinations and other interventions Indeed, in the semi-intensive system, farmers ... (2007), these terms are defined as: Indigenous - living naturally in an area, not introduced; Native - belonging by birth to a specific area, country; Local - native inhabitant and; Traditional

Ngày tải lên: 23/03/2014, 21:20

... Maximal ratio combining and equal gain combining both use more than one path in two distinct ways. In maximal ratio combining each branch signal is weighted (by a k ) in proportion to its ... the time being. In general there are three methods for processing these signals. Known as linear combiners they are selection diversity, maximal ratio combining, and equal gain combining. Under ... co-phasing of the signals. Conversely, equal gain combining does not weight each signal before combining (all a k = 1). In general, maximal ratio combining provides the best performance gain,...

Ngày tải lên: 20/11/2012, 11:36

... spectral efficiency which benefits from the inherent multi-user diversity and spatial multiplexing gain in wireless fading channels. In this thesis, we consider the cross-layer scheduling design under var- ious ... worldwide interoperability for microwave access WLAN wireless local area networks WMAN wireless metropolitan area network ZF zero forcing ZFBF zero forcing beamforming 22 Chapter 3 Uplink Scheduling ... deviation σ (in dB), which is called log-normal shadowing. 2.1.2 Small-Scale Fading As indicated in Fig. 2.1, small-scale fading manifests itself in two mechanisms, namely, time- spreading feature...

Ngày tải lên: 20/11/2012, 11:36

... was developed in response to the increasing use of mobile computers in order to enable computers to maintain Internet connection during their movement from one Internet access point to another. ... tunneled using IP. An L2TP access concentrator is the client end of Security Issues in Wireless Systems 337 Figure 12.4 The Point-to-Point Tunneling Protocol (PPTP) standard 12 Security Issues in Wireless Systems The ... shielding, the traffic of a wireless network can be eavesdropped from outside the building where the network is operating. In most wireless networks, there is a kind of link level ciphering done...

Ngày tải lên: 29/09/2013, 21:20

... challenges • Once a business has decided to invest in wireless technology 10 Challenges of Using Wireless Technology • Challenges include: – Competing technologies – Data security • Wireless technology’s ... support and maintenance costs Wireless Communications Wireless Communications in Business 11 Summary • Wireless technology can positively impact an organization in many ways • Wireless technology ... Support • Significant advantages include: – Easier system setup – Decreased cabling costs compared to wired systems • Troubleshooting a wireless network is often simpler than troubleshooting cabling problems • Other...

Ngày tải lên: 13/09/2012, 11:16