... throughput Năng suất truyền Tốc độ truyền tải liệu qua nối kết token Thẻ token passing Chuyển thẻ 140 Token ring network Mạng vòng chuyển thẻ topology Lược đồ mạng, sơ đồ mạng, cấu hình mạng transceiver ... STA – spanning tree algorithm Thuật to n dạng mở rộng, thuật to n loại bỏ tuyến thừa liên mạng stand-alone computer Máy tính độc lập, không thành viên mạng star topology Cấu hình mạng SVCs – switched ... kết với đường cáp TCP – Transmission Control Protocol Giao thức TCP/IP dành cho truyền liệu TCP/IP - Transmission Control Protocol/Internet Protocol TCP/IP chồng giao thức tiêu chuẩn công nghiệp...
Ngày tải lên: 28/05/2015, 07:00
... language and non-verbal language, to know how to 1.3.4 Characteristics Communication of children with autism organize, to adapt communication process in order to target communication - characteristics ... practice in order to obtain targeted results There is a cause related to environment factors, for example, watching 1.2.2 Communication skill television too much, hinder children in communication ... organizing program/ Plan in 10 criteria equivalence to 10 points activities to develop communication skills for CwA - Deep interview: Interview 15 parents having CwA in order to validate - Level of communication...
Ngày tải lên: 02/07/2014, 20:28
Applying learning strategies to improve TOEFL listening skill of Advanced Program students at Thai Nguyen University of Technology
... plan‟ to follow, which proves to be true for most of the listeners in Bacon‟s research study - Self-monitoring: Listeners need to be „self-conscious‟ while listening to be able to „monitor‟ their ... strategies (statement 11 to statement 13), bottom-up strategies (statement 14 to statement 17) and top-down strategies (statement 18 to statement 23) Statements 25 to 30 were adapted to achieve social ... engaged in communication nine percent is devoted to writing, 16 percent to reading, 30 percent to speaking, and 45 percent to listening which illustrates the place of listening in everyday communication...
Ngày tải lên: 19/03/2015, 10:33
Symbolic execution for advanced program reasoning
... notation op υ −→ υ to denote a transition from the symbolic state υ to υ corresponding to their program locations The symbolic store s is a function from program variables to terms over input ... practice exists even today) Automated testing methods such as random testing [102, 48], also called “fuzzing”, were introduced to generate random inputs with an aim to make the program crash or observe ... paths gives rise to spurious results, which may mislead the programmer The art of analysing programs paying heed to whether individual paths are feasible or not is commonly referred to as path sensitivity...
Ngày tải lên: 09/09/2015, 11:31
Introduction to Wireless Communications
... software that helps identify other Bluetooth devices Bluetooth and Ultra Wide Band (continued) Bluetooth and Ultra Wide Band (continued) • Bluetooth – Distance: up to 33 feet (10 meters) – Bandwidth: ... convergence – Refers to the power of digital devices to combine voice, video, and text processing capabilities • As well as to be connected to business and home networks and to the Internet 30 ... Used to transmit data over very long distance • Repeater – Located in the satellite itself – Simply “repeats” the same signal to another location – Used to transmit data from one earth station to...
Ngày tải lên: 13/09/2012, 10:52
Beyond WSE 3.0 - Looking Ahead to Windows Communication Foundation (WCF)
... System.Xml.Serialization (you can choose) Encodings XML 1.0 MTOM MTOM Custom XML 1.0 MTOM Binary Transports HTTP TCP Custom HTTP TCP Named pipes MSMQ P2P Custom Protocols Security Security Reliable messaging ... } Today, ASP NET gives you the flexibility to work with raw SOAP and XML directly, or to interact with object representations instead WCF will continue to support this approach, allowing you to ... having to factor in the transport and messaging infrastructure into the application design In contrast, today’s ASP.NET Web services that leverage WSE 3.0 still require the developer to write...
Ngày tải lên: 05/10/2013, 08:48
Tài liệu Car-to-Car Communication pptx
... Car -to- Car Communication Consortium (http://www.car -to- car.org/) is heavily involved in the standardization process of the IEEE 802.11p automotive communication standard, which is equivalent to ... distribution mechanisms most likely lead to network overload due to the Broadcast Storm problem [8] Hence, better routing protocols and strategies have to be developed to tackle the scalability issue ... crucial aspects of car -to- car communication that need to be integrated to ensure the success of this promising technology [14] Bibliography [15] [1] D W Franz, “Car -to- car Communication – Anwendungen...
Ngày tải lên: 19/02/2014, 04:20
Adaptive Traffic Lights Using Car-to-Car Communication pdf
... on loop detectors placed on every link to an intersection, usually at the upstream end of the approach Other systems, including SCATS, have detectors placed immediately before the stop line at ... according to the traffic flows, and all vehicles react according to the indication of the traffic light In order to study such reactive events, combining an existing vehicular traffic simulator with ... existing wireless network simulator is not possible An integrated simulator is needed Based on these aspects, we have chosen to develop a VANET discrete-event simulation tool integrating vehicular...
Ngày tải lên: 16/03/2014, 12:20
a step by step guide to english communication skills - listen to me listen to you
... limited to a brief session on one topic, you will need to be careful to refer to the broader context of communication skills in which it sits, and encourage participants to explore the connected topics ... trainers, facilitators and others who are inspired to lead communication skills training based on Listen to Me, Listen to You Focus of the training The focus of this training is on how to get along ... time, leaders are advised to undertake activities that enable group members to get to know each other, to build trust and cohesion in the group, and to introduce the topics The scale of this process...
Ngày tải lên: 27/03/2014, 13:39
Advanced Trends in Wireless Communications Part 1 pptx
... for Bluetooth Wireless Communication Links Tommy Hult and Abbas Mohammed Adaptive Antenna Arrays for Ad-Hoc Millimetre-Wave Wireless Communications Val Dyadyuk, Xiaojing Huang, Leigh Stokes, Joseph ... very valuable to any researcher in the communication field not only to researchers in the wireless related areas The twenty-six chapters cover a wide range of topics in wireless communication ... coding, optical communication, Multi-Input Multi-Output (MIMO) systems, system fabrication and design, vehicular technologies, and communication protocols X Preface The editor would like to thank all...
Ngày tải lên: 19/06/2014, 23:20
Advanced Trends in Wireless Communications Part 2 potx
... Applications 31 FPGA) sends a “stop signal” to the multimedia source in order to stop the byte transfer Then, a frequency f1 reads out continuously the data stored in the FIFO In other hand, ... all, there are correlators in each bank of correlators In addition, in order to improve the frame synchronization performance, two banks of correlators are used, taking into consideration the ... is down-converted to an IF signal centered at 3.5 GHz and fed into a band-pass filter with a bandwidth of GHz An automatic gain control (AGC) with 20 dB dynamic ranges is used to ensure a quasi-constant...
Ngày tải lên: 19/06/2014, 23:20
Advanced Trends in Wireless Communications Part 3 pdf
... factor in the performance of a radio communication system 84 Advanced Trends in Wireless Communications Will-be-set-by-IN-TECH To improve and develop the design of Bluetooth antenna, the Bluetooth ... functions of the Bluetooth system These connections form a piconet topology which is either point -to- point or point -to- multipoint networks In the point -to- point connection, only two Bluetooth devices ... technology, IEEE Communications Magazine Vol 39(No 12): 86–94 Bluetooth (2002) http://www.bluetooth.com, Bluetooth SIG Haartsen, J (2000) The bluetooth radio system, IEEE Personal Communications...
Ngày tải lên: 19/06/2014, 23:20
Advanced Trends in Wireless Communications Part 4 pdf
... Beamformed to deg Beamformed to deg Magnitude (dB) Beamformed to 11 deg Beamformed to 16 deg -10 Beamformed to 22 deg -20 Beamformed to 27 deg Beamformed to 35 deg -30 Beamformed to 40 deg Beamformed to ... Beamformed to deg Beamformed to -5 deg Magnitude (dB) Beamformed to -11 deg -10 Beamformed to -15 deg Beamformed to -22 deg -20 Beamformed to -27 deg Beamformed to -35 deg -30 Beamformed to -40 deg ... sub-array as a part of a hybrid array Ad-hoc communication system prototype 5.1 System block diagram The prototype has been developed to demonstrate a communications system with gigabit per second...
Ngày tải lên: 19/06/2014, 23:20
Advanced Trends in Wireless Communications Part 5 docx
... signal-tonoise ratio needs to be considered in these (L-1) transformed branches, while the last Lth transformed branch has an increased signal -to- noise ratio 148 Advanced Trends in Wireless Communications ... position/branch, needs to be monitored Switching to an available position/branch occurs only when the current position/branch is found to be unacceptable The above strategy has been put into the antenna ... illustration And only the selected RF path is monitored and measured in terms of signal strength RF Receiver/Monitor Processor To Detector Antenna Switch Program & Calculate LA, MA, SA Switch Logic...
Ngày tải lên: 19/06/2014, 23:20
Advanced Trends in Wireless Communications Part 6 ppt
... the total tolerance to noise from both the transmitter’s and the receiver’s shares is ηT = η 2σ = η σ (38) 174 Advanced Trends in Wireless Communications In case of no distortion, the signal to ... the tolerance to noise is: η2 = m n ∑∑ ( f )ij m j =1 i =1 (50) So, the total tolerance to noise from both the transmitter’s and the receiver’s shares is: ηT = η 2σ = ησ (51) The signal to noise ... components of the vector V (after taking only the central m components), must first be multiplied by the factor to give the m vector: R = V = BDT + W = S + U (28) where U is an m vector that represents...
Ngày tải lên: 19/06/2014, 23:20
Advanced Trends in Wireless Communications Part 7 potx
... used in wireless communications to achieve maximum data throughput AMC denotes the matching of 216 Advanced Trends in Wireless Communications coding, modulation and other parameters to the conditions ... conditional entropy of the receive signal vector y The conditional entropy H(y|s) is identical to H(n) because the transmit signal vector s and noise vector n are independent So, equation (2-6) is ... (CP) is added to the head of each symbol to try to eliminate the effect ofISI Although CP insertion highly improves the performance of OFDM systems, fixed CP length introduces overhead to overall...
Ngày tải lên: 19/06/2014, 23:20
Advanced Trends in Wireless Communications Part 8 ppt
... vector is then used 250 Advanced Trends in Wireless Communications to predict the future velocity, which is in turn used to calculate the distance covered in the desired interval The distance to ... manipulating the weight vector in order to emphasize the most recent speed history elements to react more quickly to a spontaneous change in behavior: a length l base vector is multiplied with a ... a hospital) The main problem to overcome corresponds to radio signal strength which is difficult to relate to distance to transmitter in indoors environments due to obstacles and objects that...
Ngày tải lên: 19/06/2014, 23:20
Advanced Trends in Wireless Communications Part 9 ppt
... following random variables: To, T1 ( =To+ ton), T2 ( =To+ 2ton), Z (=X/V), and U (=Z -To) , respectively Note that, T1 and T2 are uniform RV in the intervals (ton, 2ton) and (2ton, 3ton), respectively (Papoulis ... (C ) + P ( Τ I ≤ τ |C c ) ⋅ P (C c ) (13) where P (C ) = Poff = P(C c ) = Pon = toff ton + toff , ton , ton + toff P ( Τ I ≤ τ |C ) = P ( D ) ⎡ P ( Τ I ≤ τ |E ) ⋅ P ( E ) + P ( Τ I ≤ τ |Ec ) ... ⎤ ⎡FT1 (τ ) ⎡1 − FU ( ton + Δt ) ⎤ + FT2 (τ ) FU ( ton + Δt ) ⎤ + ⎣ ⎦⎣ ⎣ ⎦ ⎦ FU ( ton ) ⎡FZ (τ ) FU ( ton − Δt ) + ⎡1 − FU ( ton − Δt ) ⎤ FT2 (τ ) ⎤ ⎣ ⎦ ⎣ ⎦ )} where, FTo(τ), FT1(τ), FT2(τ),...
Ngày tải lên: 19/06/2014, 23:20