0

multi hop smtp over tls and protecting email content with s mime

Báo cáo hóa học:

Báo cáo hóa học: "Energy consumption and lifetime analysis in clustered multi-hop wireless sensor networks using the probabilistic cluster-head selection method" pdf

Hóa học - Dầu khí

... energy consumption among sensor nodes The nodes share a single transmission channel and on the channel the nodes cannot transmit and receive simultaneously Each sensor selects itself as a cluster-head ... consumption in clustered multi- hop WSNs [5,8,10] The transmissions from the clustermembers to their cluster-head are usually of short-distance thus they are assumed over AWGN channels In contrast, ... Generally, as the distance between a sensor node and a cluster-head increases, a possibility that the sensor node becomes a member of a cluster with the cluster-head decreases This is because as two...
  • 13
  • 367
  • 0
báo cáo hóa học:

báo cáo hóa học: " System outage probability analysis in uplink multi-hop cellular systems over composite channels" pot

Hóa học - Dầu khí

... transmission channel contains one MS-to-RS link and one RS-to-BS link Therefore, there are total 2N + links in this system, i.e., one MS-to-BS link, N MS-toRS links, and N RS-to-BS links Assume ... relay stations; SNR: signal-to-noise ratio; ST: selective transmission Figure System outage probability versus the transmit SNR with different distributions of MS Acknowledgements This work is supported ... of a single cell multi- hop cellular system is used as a test system In this system, the BS is in the center of the cell, and the RSs are evenly and symmetrically placed in the cell, that is, the...
  • 8
  • 188
  • 0
efficient traffic diversion and load-balancing in multi-hop wireless mesh networks

efficient traffic diversion and load-balancing in multi-hop wireless mesh networks

Quản trị mạng

... prudent user admission strategy for IGWs and other Wireless Service Providers (WSPs) WSPs typically serve diverse user base with heterogeneous requirements and charge users accordingly In scenarios ... in Belgium spanning an area of 17.41 KM2 to provide wireless Internet access to its residents, tourists, businesses, and municipal and public-safety applications and advertising systems around ... sections, we explain the issues that motivated us towards designing our proposed solutions 1.3.1 Unfairness in Multi- hop Wireless Mesh Networks In a multi- hop WMN, packets originated from MRs...
  • 127
  • 397
  • 0
OFDM Multi-User Communication Over Time-Variant Channels

OFDM Multi-User Communication Over Time-Variant Channels

Công nghệ thông tin

... transmits quadrature phase shift keying (QPSK) modulated symbols bk [m] with symbol rate 1/TS There are K users in the system, the user index is denoted by k Each symbol is spread by a user specific ... length and the maximum Doppler bandwidth The DPS sequences are used to define a Slepian basis expansion We give analytic results showing that the bias of the Slepian basis expansion is at least one ... Fourier basis expansion [9] and show its weaknesses [88] To overcome the drawbacks of the Fourier basis expansion we exploit results from the theory of time-concentrated and bandlimited sequences [70,...
  • 137
  • 590
  • 0
Multi-Carrier Digital Communications - Theory and Applications of OFDM

Multi-Carrier Digital Communications - Theory and Applications of OFDM

Điện - Điện tử - Viễn thông

... by OFDM is the simultaneous transmission of identical signals by geographically dispersed transmitters Finally, the new development of wireless LANs for multi- Mb /s communications is presented Each ... system is discussed, then major system blocks will be analyzed 2.1 Multi- Carrier System Fundamentals Let denote data symbols Digital signal processing techniques, rather than frequency synthesizers, ... parallel transmission scheme can be compared with a single higher rate serial scheme using the same channel The parallel system, if built straightforwardly as several transmitters and receivers, will...
  • 221
  • 976
  • 1
RECOMMENDATIONS FOR BUILDING, MANAGING AND PROTECTING THE BRAND EQUITY IN VIASIA JOINT STOCK COMPANY

RECOMMENDATIONS FOR BUILDING, MANAGING AND PROTECTING THE BRAND EQUITY IN VIASIA JOINT STOCK COMPANY

Quản trị kinh doanh

... Vietnamese plastic door like name awareness, perceived quality and so on Moreover, this research also applies these lessons to offer suggestions and solutions in improving and strengthening the brand ... using businesss status or partners status can help business achieve this goal Thank to this kind of advertising, business will have a chance to interact with customers for the long- terms Moreover, ... to testing products Customers can test the products features such as noise, heat and dust insulation Witnessing the products features is one of the quick and easy ways to gain the customers confidence...
  • 46
  • 424
  • 1
Changes of temperature data for energy studies over time and their impact on energy consumption and CO2 emissions. The case of Athens and Thessaloniki – Greece

Changes of temperature data for energy studies over time and their impact on energy consumption and CO2 emissions. The case of Athens and Thessaloniki – Greece

Môi trường

... proceedings His main field of interest is the analysis of energy systems, the design of HVAC systems and the energy conservation Dr Papakostas is member of ASHRAE and member of the Greek Institute of Solar ... currently Assistant Professor He published numerous papers in National and International Scientific Journals and has various presentations in National and International Conferences with published proceedings ... cooling is the fuel (diesel oil) and electricity consumption and hence the CO2 emissions, presented in Tables and 10, for Athens and Thessaloniki respectively As it can be seen, the total CO2 emissions...
  • 14
  • 548
  • 0
Tài liệu Creating and Editing Email docx

Tài liệu Creating and Editing Email docx

Tin học văn phòng

... editor or save existing messages as stationery using File, Save As and choosing HTML Sending messages with stationery can result in very large email messages Avoid using stationery when you email ... your new signatures to your email accounts by selecting the same or different signatures for new messages and replies Assign signatures to your email accounts using the Mail Format dialog, shown ... drop-down list, choose a signature for new messages and a signature for replies and forwards Assign a signature to each account and to new mail and replies, even if it 's only a blank signature and you'll...
  • 9
  • 258
  • 0
Tài liệu [ Team LiB ] Creating and Editing Email Creating and editing messages ppt

Tài liệu [ Team LiB ] Creating and Editing Email Creating and editing messages ppt

Quản trị mạng

... editor or save existing messages as stationery using File, Save As and choosing HTML Sending messages with stationery can result in very large email messages Avoid using stationery when you email ... your new signatures to your email accounts by selecting the same or different signatures for new messages and replies Assign signatures to your email accounts using the Mail Format dialog, shown ... drop-down list, choose a signature for new messages and a signature for replies and forwards Assign a signature to each account and to new mail and replies, even if it 's only a blank signature and you'll...
  • 9
  • 271
  • 0
Tài liệu Safeguarding Equipment and Protecting Employees from Amputations docx

Tài liệu Safeguarding Equipment and Protecting Employees from Amputations docx

Cao đẳng - Đại học

... available with various teeth sizes, and the saws usually have adjustable blade speeds Unlike band saws used in other industries, meat-cutting band saws are usually constructed of stainless steel for sanitary ... industry consensus standards since those standards are more likely to be abreast of the state of the art than an applicable OSHA standard may be However, when a consensus standard addresses safety ... machines such as saws, presses, conveyors, and bending, rolling or shaping machines as well as from powered and non-powered hand tools, forklifts, doors, trash compactors and during materials handling...
  • 60
  • 352
  • 0
Acid Gas Scrubber for Multi-Pollutant Reduction - Emission Control and Measurement Workshop pot

Acid Gas Scrubber for Multi-Pollutant Reduction - Emission Control and Measurement Workshop pot

Cao đẳng - Đại học

... Regenerated using Evaporation with low pressure steam Sulfates and heat stable salts formed from SO3 and oxidation of SO2 are removed as a solid by a patented process Less than 3% buffer loss LABSORBTM ... Particulate, SO2, NOx and SO3 Control Non Plugging • Nozzles, Vessel & Component Design • Handles High Dust Loads Even FCCU Upsets • Highly Reliable Modular & Integral • Single System for all pollutants ... Technologies for Controls of Particulate, SOX and NOX emissions Specializing in reduction of Oil Refinery Emissions More systems installed and operating than ALL other competitors “COMBINED” Offering...
  • 47
  • 400
  • 0
Safeguarding Equipment and Protecting Workers from Amputations pot

Safeguarding Equipment and Protecting Workers from Amputations pot

Cao đẳng - Đại học

... adjustments to avoid waste This section discusses amputation hazards associated with two common types of printing 27 presses: web-fed and sheet-fed printing press systems Web-fed printing presses ... underpasses have protected ceilings • Post appropriate hazard warning signs at all crossovers, aisles, and passageways • Considering emergency egress when determining placement of crossovers, aisles, ... controls such as presence-sensing devices are sometimes used to safeguard power press brakes When installed on special-purpose press brakes, these devices may 22 Identifying Hazards for Specific...
  • 78
  • 306
  • 0
Implementing Cisco Unified Communications Voice over IP and QoS (CVOICE) Foundation Learning Guide Fourth Edition pptx

Implementing Cisco Unified Communications Voice over IP and QoS (CVOICE) Foundation Learning Guide Fourth Edition pptx

Chứng chỉ quốc tế

... services SIP and its partner protocols, Session Announcement Protocol (SAP) and Session Description Protocol (SDP), provide announcements and information about multicast sessions to users on a ... specifies the commands and responses to set up and tear down calls SIP also details features such as security, proxy, and Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) services ... supervisory, address, and alerting functionality between nodes The PSTN network uses Signaling System (SS7) to transport control messages SS7 uses out-of-band signaling, which, in this case, is the exchange...
  • 730
  • 2,678
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "Expansion of Multi-Word Terms for Indexing and Retrieval Using Morphology and Syntax" pdf

Báo cáo khoa học

... pertes occasionndes par les insectes au sorgho stockd (literally: loss of stored sorghum due to the insects) A linguistic classification of the collocations which are correct variants brings up the ... Productive stripping and concatenation rules are applied on lemmas The derived forms are expressed as tokens with feature structures For instance, the following set of constraints express that the ... and because we want to be sure to observe structures spanning over large textual sequences For example, the term perte au stockage (storage loss) is encountered in the [AGR] corpus as: pertes...
  • 8
  • 371
  • 0
báo cáo hóa học:

báo cáo hóa học:"Health-related quality of life before planned admission to intensive care: memory over three and six months" docx

Hóa học - Dầu khí

... health status) to (worst health status) Confusion Assessment Method for the Intensive Care Unit The Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) [17] assesses the presence ... “Please, tell me how serious your clinical conditions were while in ICU, using a scale where means «not serious» and 10 means «as serious as possible» Statistical Analysis The data are expressed ... 14 questions Inventory (PTSS-14) [18] is composed of two parts: part A (assessment of traumatic memories from the ICU) and part B (post-traumatic stress disorder symptoms) Part A of the questionnaire...
  • 10
  • 255
  • 0

Hóa học - Dầu khí

... this paper, such kind of highsensitive sensing device with low sensing level for route construction as well as for the medium access is used Figure 3a shows the carrier sensing area of high-sensitive ... as compared with the low sensitive sensing device This is Page of 17 because the carrier sensing area of the high-sensitive device with low sensing level is larger than the low sensitive sensing ... transmission can be obtained as Psuc = Pa (1 − Pc ) (11) Let the probability that a time slot is a successful transmission slot, an idle slot and a collision slot as Psuc, Pidle, and Pc, respectively,...
  • 17
  • 492
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Design of zone-based bandwidth management scheme in IEEE 802.16 multi-hop relay networks" doc

Hóa học - Dầu khí

... Polling Service (nrtPS), and Best Effort (BE) A specific scheduling algorithm is not described in the IEEE 802.16 standard, so some mechanisms of QoS support such as admission control and bandwidth ... broadband wireless access systems May 2009 IEEE Std 802.16j-2009, IEEE standard for local and metropolitan area networks part 16: air interface for broadband wireless access systems amendment 1: multiple ... broadband wireless access systems, Oct 2004 IEEE Std 802.16e-2006, IEEE standard for local and metropolitan area networks–part 16: air interface for fixed broadband wireless access systems– amendment:...
  • 28
  • 281
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Editorial Mobile Multi-Hop Ad Hoc Networks: From Theory to Reality" ppt

Báo cáo khoa học

... traditional single-path routing based on the shortest paths The last set of papers of this special issue deal with sensor networks This is a special case of multi- hop ad hoc networks Indeed the ... “TCP-friendly bandwidth sharing in mobile ad hoc networks: from theory to reality,” Evgeny Osipov and Christian Tschudin study the unfairness between multiple TCP flows in wireless multi- hop networks Specifically, ... EURASIP Journal on Wireless Communications and Networking multicast solutions in mobile ad hoc networks Specifically, the authors investigate how Scribe (a solution based on Pastry) performs in...
  • 2
  • 219
  • 0

Xem thêm