Satellite Communicationsever increasing widespread Part 2 potx

... created About QoS in DVB-S2/RCS Systems 29 5 .2. 2 PLATINE performances evaluations In the following parts, we will show two exemples of QoS management in DVB-S2/RCS satellite systems, using ... 2. Mobile Satellite System Communication 2. 1 Mobile Satellite System Architecture Figure 2 describes a typical design for mobile satellite communication system. Three basic segm...

Ngày tải lên: 21/06/2014, 05:20

... Ka (30 GHz) 24 .7 23 6 ( 32, 5) 1 02 ( 32, 6) 3977 (8 ,28 ) 3977 (8 ,28 ) Q (45 GHz) 43.5 0 0 3977 (16 ,28 ) 591 (8,5) V (54 GHz) 71.5 0 0 1770 (8,13) 29 ( 32, 1) Table 2. Maximum bit ... Ka (30 GHz) 24 .7 23 6 ( 32, 5) 1 02 ( 32, 6) 3977 (8 ,28 ) 3977 (8 ,28 ) Q (45 GHz) 43.5 0 0 3977 (16 ,28 ) 591 (8,5) V (54 GHz) 71.5 0 0 1770 (8,13) 29...

Ngày tải lên: 21/06/2014, 05:20

... 17 Chapter 18 Chapter 19 Chapter 20 Chapter 21 Chapter 22 Chapter 23 OLFISH - A complete, paperless solution for the collection, management and dissemination of marine data 20 3 Dr. Amos Barkai, Fatima ... in satellite networks: DVB-S2/RCS QoS Architecture The quality of service in DVB-S2/RCS networks is basically managed at layer 2. The first section gives an overview of class...

Ngày tải lên: 21/06/2014, 05:20

... expressed as follows, (Lin et al., 20 05): p R (r) =  +∞ 0  r σ 2 ray L 2 ·exp  − r 2 2σ 2 ray L 2  ·  1 √ 2 φσ ln L ·exp  − 1 2  ln (L) −φµ ln φσ ln  2  dL (8) wherein the first term ... expressed as follows, (Lin et al., 20 05): p R (r) =  +∞ 0  r σ 2 ray L 2 ·exp  − r 2 2σ 2 ray L 2  ·  1 √ 2 φσ ln L ·exp  − 1 2  ln (L) −φµ ln φσ ln  2 ...

Ngày tải lên: 21/06/2014, 05:20

... (Xie & Fang, 20 00):      d SS rSSrSrS SS SSrS SS r rP r                      2 0 21 22 21 12 21 2 1 2 2 2 1 21 2 cos)(sin2cos2 exp 2 1 2 exp)( (16) ...      d SS WSSWSWS SS SSWS SS WP p                      2 0 21 2 21 12 21 2 2 2 12 21 2 cos)(sin2cos2 exp 2 1 2 exp 2 1 )...

Ngày tải lên: 21/06/2014, 05:20

... (Proposed by ITU-R = 2. 82) Β (Proposed by ITU-R = 0.15) 20 06 1.6953 0.106 20 07 1.7 624 0.055 20 08 1.4547 0. 024 Table 2. The parameter A and β for year 20 06, 20 07 and 20 08 For global rain ... (Proposed by ITU-R = 2. 82) Β (Proposed by ITU-R = 0.15) 20 06 1.6953 0.106 20 07 1.7 624 0.055 20 08 1.4547 0. 024 Table 2. The parameter A and β for year 20 06, 20 07 a...

Ngày tải lên: 21/06/2014, 05:20

... harmonic of the Earth.              7 4 4 2 2 3 2 2 4 2 2 2 3 2 2 3 1 1 2 2 1 2 1 2 2 1 3 1 3 3 1 3 1 2 1 2 cos2 2 2 4 o o o o o o o o o o o o k C n q s a e e a e e e e     ... u p      (58) 2 2 3 sin 2 2 L k u p    (59) 2 2 3 sin cos2 2 o L k i i u p    (60)   2 2 1 sin2 L k n r u p       (61)     2...

Ngày tải lên: 21/06/2014, 05:20

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