major function of network layer
Báo cáo hóa học: " Research Article Evaluation of Cross-Layer Rate-Aware Routing in a Wireless Mesh Network Test Bed" pdf
Ngày tải lên: 22/06/2014, 22:20
Network Layer
... multicast routing Network Layer 4-10 Network layer connection and connection-less service Ì datagram network provides network- layer connectionless service Ì VC network provides network- layer connection ... 4.7 Broadcast and multicast routing Network Layer 4-30 The Internet Network layer Host, router network layer functions: Transport layer: TCP, UDP Network layer IP protocol •addressing conventions ... link physical network data link physical network data link physical network data link physical network data link physical network data link physical network data link physical network data link...
Ngày tải lên: 12/09/2012, 15:06
How group work is used in speaking lesson of the first year major students of english at viet nam university of commerce
... that majority of the teachers used was grouping students of different English proficiency because students with low English proficiency could benefit a lot from students of higher one All of the ... former, 83.3% of the teacher often grouped students of the same sex while only 20% of the students chose it and for the latter, group students of different sexes was the choice of 80% of the students ... And most of the teachers (83.3%) often grouped students of the same sex while 16.6% grouped students of different sexes Concerning students’ English proficiency, 83.3 % favored students of different...
Ngày tải lên: 07/11/2012, 14:50
Design and development of major balance of plant components in solid oxide fuel cell system
... integrated with the SOFC stack using either methane or butane as the input fuel Porous media afterburners provide an efficient means of ensuring the complete conversion of the SOFC off-gases during ... any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell stack, but also on the design and operating conditions of ... Ef of an SOFC stack is defined as Ef=Power-Output/Input-Energy-(LHV), (1) where LHV is the lower heating value of the fuel In the SOFC system at INER, the stack has a potential output power of...
Ngày tải lên: 05/09/2013, 16:10
A capillary-based method determining the permeability of sand layer for geothermal applications
... respectively He is a professor of School of Energy and Environment, Hebei University of Technology Since from 2005, he has taken as the dean of School of Energy and Environment of HBUT His work focuses ... associate professor of School of Energy and Environment, Hebei University of Technology His work focuses mainly on heat and mass transfer related with renewable energies, HV&AC, and energy saving of buildings ... regression Figure Variations of the capillary equilibrium height as a function of the grain diameter In this experiment, it was found that within the range of 20-40 oC, the effect of the fluid temperature...
Ngày tải lên: 05/09/2013, 17:03
Performance Analysis of Network-MIMO Systems
... model of a network MIMO systems with many cell and user in indoor environment The simulated system was modeled after an OFDM multi-point access MIMO network to determine the performance of Network- MIMO ... constant dB Configure of antenna system Tx=1; Rx=1 Length of random message from each user L=64*2*20 Square area in meters of a cell 36 m2 Number of wireless cell Number of user Number of APs Center ... one of the transmitters The capacity of each one of these channels is roughly equal to: 𝐶 = 𝐵 𝑙𝑜𝑔2 + 𝑁 𝑆𝑁𝑅 𝑆𝐼𝑆𝑂 𝑀 𝐵𝑝𝑠 𝐻𝑧 [2-5] However, we have M of these channels, so the total capacity of the...
Ngày tải lên: 26/11/2013, 20:49
Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt
... destination network H c vi n m ng Bách khoa - Website: www.bkacad.com Network Layer Protocols and Internet Protocol (IP) • • Define the basic role of the Network Layer in data networks The protocols of ... Describe the implications for the • use of the IP as it is media independent One major characteristic of the media that the Network layer considers: the maximum size of PDU that each medium can transport ... www.bkacad.com 13 Network Layer Fields • • bits Specifies the level of importance that has been assigned by upper -layer protocol H c vi n m ng Bách khoa - Website: www.bkacad.com 14 Network Layer Fields...
Ngày tải lên: 22/12/2013, 13:17
A three phase voltage type PWM rectifier with the function of an active power filter
... AC-side phase voltage vi, ( vi, , vi, ) of the PWM rectifier is obtained, that is, voltage of s, when s,, = when SI,= S3 is ON and S, is OFF when Generation of PWM Signals respect to Using the PWM ... and s, s, is ON when is ON and S, is OFF when is OFF and s is ON when s, = s, = s, s, =1 =0 DETECTION OF HARMONICS As a method to detect harmonic components of a distorted current, we employ in ... which is shown in part D, ofFig This part represents the harmonic detector for phase U in Fig The upper part of D, detects the sine term of the n -th harmonic component of the U- phase load current...
Ngày tải lên: 03/01/2014, 19:44
A study of using english songs as a type of supplementary material in teaching listening for first year non major students of english at phuong dong university
... half of them tried to catch the key words of the songs and 30% of them tried to remember the content of the songs during the time they were listening to them Especially, there were13.3% of them ... content of the songs, this task is really helpful as it enables them to have a full understanding of the song It is quite unexpected that dictation is at the bottom of the list Of 19.9% of the ... number of 59.9% and it is followed by the skill of awareness of word stress which is illustrated by 56.6% Surprisingly, sound discrimination skill is put at the bottom of the list with only 23.3% of...
Ngày tải lên: 29/01/2014, 10:33
A study on the techniques for improving reading skills to non major students of english at haiphong foreign language center, haiphong university
... interest • Level of difficulty • Variety (variety of the topic, of the of text, of rhetorical organization, and of reading purpose) • Types of reading activities and exercises Apparently, students’ ... close guidance of the teacher and require great attention to the text Students need to “arrive at a profound and detailed understanding of the text not only of what it means but also of how the meaning ... accomplishment of the study First comes an overview on the nature of reading in which the definition of reading and reading comprehension is focused Then, dominant groups of models of reading process...
Ngày tải lên: 29/01/2014, 10:43
Slide a study on the techniques for improving reading skills to non major students of english at hai phong foreign language center,hai phong university
... Aims of the study Scope of the study Methods of the study Design of the study Part two: Development Chapter one: Literature Review 1.1 An Overview on the Nature of Reading 1.1.1 Definition of Reading ... Students Aware of the Nature of Reading Process Promoting Students to Be Fully Aware of Their Purpose of Reading 3.2.3 Activating Students to Work Willingly in Different Stages of Reading 3.2.4 ... 3.3.Techniques for the Improvement of Teachers’ activities in Reading Lesson 3.3.1 Adjusting Teaching Time and Efforts 3.3.2 Varying Strategies to Aid the Students in Three Phases of a Reading Lesson 3.4.Techniques...
Ngày tải lên: 29/01/2014, 10:49
Tài liệu ITU Study on the Financial Aspects of Network Security: Malware and Spam doc
Ngày tải lên: 14/02/2014, 08:20
Tài liệu Automatic Management of Network Security Policy pptx
Ngày tải lên: 14/02/2014, 16:20