multiplexing and multiple access techniques ppt
MOB Subject 5 –Access methods Static and dynamic access techniques
... Internet and Surrounding1/12 Baey, Fladenmuller – Subject 5MOB Subject 5 Access methodsStatic and dynamic access techniques 1. Static access techniques 1.1 Space-division multiple- access (SDMA)When ... from a very low yield. You lose the multiplexing gain!3. Dynamic access techniques Pure Aloha: the principle of Aloha is to let talk to everyone when he wants it and without discretethe moments ... Frequency-division multiple access (FDMA)1. A cellular system uses the FDMA, with a spectrum allocation of 12,5 MHz in each direction,a guard band of 10 kHz of each end of the allocation spectrum and a...
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Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond
... with multiple access protocols,whichgovern access to these resources. The basic multiple access schemes are briefly describedfurther below in this section, and the importance of the multiple access ... The GPRS Random Access Algorithm 1974.11.1 Why a New Random Access Scheme for GPRS? 1974.11.2 Stabilisation of the Random Access Algorithm 1984.11.3 Prioritisation at the Random Access 2064.11.4 ... ofits resources to support multiple communications, basic multiple access techniques (suchas frequency-, time-, or code-division multiple access, with FDMA, TDMA, and CDMAas their respective...
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Tài liệu Data Management and Access Products ppt
... ModulesEach standard module contains three front panel jacks for easy passive and/ orintrusive access to the circuit and two rear connectors for attachment to dataterminating and/ or communication ... Management and Access Products1712/02 • 517Data Management and Access Productswww.adc.com • +1-952-938-8080 • 1-800-366-3891EIA-232/V.24 PatchMate™EIA-232/V.24 has been a long standing electrical ... PatchMate™ModulesFRONTPANEL ACCESS- 1TESTEQUIP-2MONITORCIRCUITSFRONTPANEL ACCESS- 2TESTEQUIP-1INTERFACEMODULEInterface Module with LEDs and AlarmsTest Module with LEDs and AlarmsInterface...
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Tài liệu Lab 10.2.5 Well Known Port Numbers and Multiple Sessions pptx
... router. • Show multiple HTTP and Telnet sessions on a single host. • Show multiple HTTP and Telnet sessions on a single host. • Observe well-known TCP port numbers on the host and router. Background/Preparation ... a. Allow HTTP access by issuing the ip http server command in global configuration mode. Step 5 Use the workstation browser to access the router a. Open a browser on Host 1 and type http://ip-address ... privileged exec command mode GAD# copy running-config startup-config Step 3 Configure the host with the proper IP address, subnet mask and default gateway Step 4 Allow HTTP access to the router...
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Tài liệu Ethernet Access for Next Generation Metro and Wide Area Networks pptx
... network processor-based and allow for both policing and shaping on both ingress and egress, using CBWFQ/LLQ for packet scheduling.10Ethernet Access for Next Generation Metro and Wide Area NetworksOL-14760-01 ... of where a trunked handoff might be used: •EVPL •EVPL access to ATM service interworking •EVPL access to Frame Relay •EVPL access to MPLSFigure 4 shows a trunked handoff using IEEE 802.1Q ... FastEthernet, or GigabitEthernet access link.ExamplesThe following are common examples of a simple handoff: •DSL broadband service •Cable broadband service •Ethernet Internet access •Ethernet...
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Tài liệu OPTICAL COMMUNICATION THEORY AND TECHNIQUES ppt
... efficiency for 8-PSK and for 8- and 16-QAM. Coherent de-tection also enables electrical channel demultiplexing and CD compensation.Coherent detection requires a local oscillator laser and polarization ... and quadrature field components). Based onFig. 2, at spectral efficiencies below 1 b/s/Hz per polarization, 2-PAM (OOK) and 2-DPSK are attractive techniques. Between 1 and 2 b/s/Hz, 4-DPSK and ... attractive techniques. At spectral efficiencies above2 b/s/Hz, 8-PSK and 8- and 16-QAM become the most attractive techniques. Table 2 compares key attributes of direct, interferometric and coherent...
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Tài liệu Routing and Remote Access pptx
... – Administrator Tools – Routing and Remote Access (Start – Run – Rrasmgmt.msc)2. Click phải mouse tại Server1 - Chọn Configure and Enable Routing and Remote Access Huy Hoàng 47k_DTVT_VinhuniKiểm ... như Router hay Switch L3 (Router cứng), ta dùng Server với 2 NIC và dùng dịch vụ Routing and Remote Access (RRAS) để thay thế chức năng Router (Router mềm).Để cấp phát IP cho các Client Computer ... Huy Hoàng 47k_DTVT_VinhuniRouting and Remote Access Phần I: Lý thuyếtI. Đặt vấn đề:Giả sử hệ thống có 3 mạng như mô hình:Đường mạng...
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Tài liệu Đề tài " On the K2 of degenerations of surfaces and the multiple point formula " pptx
... surfaces and the multiple point formula By A. Calabri, C. Ciliberto, F. Flamini, and R. Miranda* Annals of Mathematics, 165 (2007), 335–395On the K2of degenerations of surfaces and the multiple ... the intersection of Pi and Pi+1;• εi= deg(Pi) − 1, which is 0 if Piis a plane and 1 if Piis a quadric;354 A. CALABRI, C. CILIBERTO, F. FLAMINI, AND R. MIRANDAMoreover, if X = X0is ... Cohen-Macaulay singularities and two fundamental concepts introduced and studied by Koll´ar in [23] and [24].Recall that V = V1∪···∪Vr⊂ Pn, a reduced, equidimensional and non-degenerate scheme,...
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Tài liệu Chapter 6 Bandwidth Utilization: Multiplexing and Spreading pptx
... 6.16.47Figure 6.24 T-1 line for multiplexing telephone lines6.39Figure 6.20 Multiple- slot multiplexing 6.29Figure 6.14 Example 6.66.40Figure 6.21 Pulse stuffing6.35A multiplexer combines four ... 6.1 DS and T line rates6.12Five channels, each with a 100-kHz bandwidth, are to be multiplexed together. What is the minimum bandwidth of the link if there is a need for a guard band of 10 ... comparison6.5Figure 6.2 Categories of multiplexing 6.8Figure 6.4 FDM process6.44Two channels, one with a bit rate of 100 kbps and another with a bit rate of 200 kbps, are to be multiplexed. How this can...
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Tài liệu Carnivore Ecology and Conservation A Handbook of Techniques pptx
... Conservation: A Handbook of Techniques Malcolm AusdenConservation and Sustainable Use: A Handbook of Techniques E.J. Milner-Gulland and J. Marcus RowcliffeInvasive Species Management: A Handbook of ... Principles and Techniques Mick N. Clout and Peter A. WilliamsAmphibian Ecology and Conservation: A Handbook of Techniques C. Kenneth Dodd, Jr.Insect Conservation: A Handbook of Approaches and MethodsMichael ... Mammal Ecology and Conservation: A Handbook of Techniques Ian L. Boyd, W. Don Bowen, and Sara J. IversonCarnivore Ecology and Conservation: A Handbook of Techniques Luigi Boitani and Roger A....
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Carnivore Ecology and Conservation: A Handbook of Techniques pptx
... specificlocation and the survey’s objectives, the biology and behavior of the species, itsdistribution and abundance, the extent and characteristics of the geographicregion, and the resources and time ... Chapter11, present techniques for studying and analyzing carnivores’ diets, techniques that go far beyond the dogmatic standard of scat analysis. Nilsen and his coauthors have decades ... be developed. Chapters 4 and 5 discussfield techniques to find evidence of carnivores’ presence and Chapters 3 and 8 discuss uses of survey data to map species’ ranges and to estimate populationsizes.OUP...
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LIQUID, GASEOUS AND SOLID BIOFUELS - CONVERSION TECHNIQUES ppt
... liquid fuels (e.g., ethanol, butanol and 2,3-butanediol) and other products (e.g., acetic acid and butyric acid). Chapters 6 and 7overview the production and applications of biobutanol. Chapter ... gases and other products. Chap‐ters 12 and 13 introduce hydrogen production by anaerobic fermentation, and DC and im‐pulse plasma-liquid systems, respectively. Chapter 14 overviews some techniques ... high-quali‐fied gaseous, liquid and solid biofuels with many techniques. This book focuses on the latestconversion techniques for the production of liquid and gaseous biofuels that should be...
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Báo cáo khoa học: "EXPERT SYSTEMS AND OTHER NEW TECHNIQUES IN MT SYSTEMS " ppt
... "natural" and "coded" dictionaries, and towards the construc- tion of automated verification and indexing tools. Natural dictionaries are usually accessed by lemmas (normal ... ARIANE-78), and two "open" systems, called "expert corrector systems". The first is inserted at the junction between analysis and transfer, and the second between transfer and ... advanced data base systems to store this lexical knowledge and to implement the various tools required for addition and verifica- tion. VlSULEX and ATLAS (1) are first versions of such tools. Gran~atical...
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ĐỀ TÀI: TRIỂN KHAI ROUTING AND REMOTE ACCESS TRÊN WINDOW SERVER 2008 ppt
... ROUTING AND REMOTE ACCESS 1I.ROUTING 1II.REMOTE ACCESS 1CHƯƠNG II: TRIỂN KHAI ROUTING AND REMOTE ACCESS 2I.MÔ HÌNH LAB 2III.TRIỂN KHAI ROUTING AND REMOTE ACCESS 91.CÀI ĐẶT ROLE ROUTING AND ... KHAI ROUTING AND REMOTE ACCESS GVHD: PHẠM TUẤN HIỆPTÀI LIỆU THAM KHẢO[1]. LAB 291 - Routing and Remote Access- http://www.ketnoitinhoc.com/web/Windows-OS/lab-291-routing -and- remote -access. html[2]. ... TRIỂN KHAI ROUTING AND REMOTE ACCESS GVHD: PHẠM TUẤN HIỆPBước 3: Chọn Network Policy and Acess Services > Chọn NextBước 4: Chọn NextBước 5: Chọn Routing and Remote Access Services >...
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