Satellite networking principles and protocols phần 2 ppsx

... 27 .5–30.0 (25 00 MHz) 17.7 20 .2 (25 00 MHz) International and domestic satellites Europe, USA, Japan 40 /20 Ka band 42. 5–45.5 (3000 MHz) 18 .2, 21 .2 (3000 MHz) Governmental and military satellites 1.11.1 ... -> out1:5 in1 :2 -> out2:1 in1:3 -> out2 :2 in1:4 -> out2:3 in2:1 -> out1:4 in2 :2 -> out1:1 in2:3 -> out1 :2 in2:4 -> out2:6 Buffers & Process...

Ngày tải lên: 09/08/2014, 19:22

... networks to wireless LAN, wireless mobile networks and satellite networks. ATM and Internet Protocols 137 12 20 24 28 32 36 40 44 0 5 10 15 20 25 30 Transmission number Threshold Threshold Timeout ... network infrastructure. Satellite Networking: Principles and Protocols Zhili Sun © 20 05 John Wiley & Sons, Ltd Satellite Internetworking with Terrestrial Networ...

Ngày tải lên: 09/08/2014, 19:22

... virtual 58 Satellite Networking: Principles and Protocols Hence:  d 2 r dt 2 −r  d dt  2  +  r 2 = 0 (2. 8)  r d 2  dt 2 +2 dr dt d dt  = 0 (2. 9) From Equation (2. 9), we get: 1 r d dt  r 2 d dt  = ... Du 2 (2. 11) Hence: dr dt = dr d d dt =  − 1 u 2  du d d dt =−D du d (2. 12) d 2 r dt 2 = dr dt  dr dt  = du d d dt  dr dt  =−D 2...

Ngày tải lên: 09/08/2014, 19:22

... z 1 y 1 d 1 Figure 2. 19 Block diagram of turbo encoder 1 02 Satellite Networking: Principles and Protocols ATM Switch In port 0/371 0/ 421 0/3 72 0/7 82 3 4 5 6 Out Port VPI/VCI 0/76 0/88 0/ 52 0 /22 37 42 37 ... to the Satellite coverage Spot beam coverage Inter satellite Intra satellite Figure 2. 28 Concepts of inter -satellite beam and intra -satellite beam...

Ngày tải lên: 09/08/2014, 19:22

... encapsulation of an IP packet 20 4 Satellite Networking: Principles and Protocols Satellite Networking: principles and protocols 1 3/4 5 T1316560-99 NP for AAL Type 1 NP for AAL Type 2 NP for AAL Type 3/4 NP ... codes. 21 6 Satellite Networking: Principles and Protocols Orbit of LEO satellite constellation LEO satellite r = R L r = R E Earth station O Earth...

Ngày tải lên: 09/08/2014, 19:22

... IETF RFC2 627 , June 1999. [23 ] Yegenoglu, F., Alexander, R. and Gokhale, D., An IP transport and routing architecture for next-generation satellite networks, IEEE Network, 14(5): 32 8, 20 00. [24 ] ... slow-start algorithm. Satellite Networking: Principles and Protocols Zhili Sun © 20 05 John Wiley & Sons, Ltd Internet Protocol (IP) over Satellite Networks 24 3 bet...

Ngày tải lên: 09/08/2014, 19:22

... over the satellite link. 28 0 Satellite Networking: Principles and Protocols outbound connection, which experienced congestion. At 2. 4 kbit/s return link bandwidth, transfer showed a 25 % decrease ... conferencing over geostationary satellite systems, IEE Colloquium on Satellite Services and the Internet, 17 February 20 00. 27 6 Satellite Networking: Principles an...

Ngày tải lên: 09/08/2014, 19:22

... 45, 21 7, 23 6, 23 7, 23 8, 24 1, 309 Multi-layer modelling 311 Multicast 10, 141, 22 3, 22 4, 22 5, 22 6, 22 7, 22 8, 23 0, 23 5, 24 3 Multimedia conferencing (MMC) 26 1, 29 1 Multiple access technique 81, 82, ... IP networking 21 3, 21 9 Satellite link characteristics 55, 69, 71 Satellite network 2 3, 4, 28 –30, 32, 38, 50, 53, 77, 86, 88, 93, 1 62, 179, 187, 21 3...

Ngày tải lên: 09/08/2014, 19:22

... незнания. 22 2. Between the cup and the lip a morsel may slip. Кусочек может упасть, пока его несешь от чаши ко рту. Ср. Не говори “гоп”, пока не перепрыгнешь. Хвали горку, как перевалишься. 22 3. ... Между молотом и наковальней. Между двух огней. 22 7. Betwixt and between. Ср. Серёдка на половинку. Ни то, ни се. 22 8. Beware of a silent dog and still water. Берегись молчащей соба...

Ngày tải lên: 23/07/2014, 12:20