Broadband Powerline Communications Networks Design phần 5 pptx
Broadband Powerline Communications Networks Design phần 5 pptx
... 2Symbol 1 0123 45 7 04 15 2637 Error burst Channel De-interleaver 04 15 2637 4671230 6 5 Figure 4. 25 Operations of simple interleaving strategy 128 Broadband Powerline Communications Networks mechanisms ... g (2) l (4 .50 ) These two sequences are then multiplexed together to build up the code sequence given by Eq. (4 .51 ). c = c (1) 1 c (2) 1 c (1) 2 c (2) 2 c (1) 3 c (2) 3...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 6 pptx
... Layer 1 45 453 21 Clock SSRG [5, 3] Image 453 21 Clock SSRG [5, 2] a i + 2 , a i + 1 , a i , , a i , a i + 1 , a i + 2 , Figure 5. 19 Reverse sequence generation −10 50 51 0 15 t/ T c −1 0 10 15 20 25 30 5 SSRG ... ( k ) Figure 5. 21 General structure of a gold codes generator 453 21 453 21 SSRG [5, 3] SSRG [5, 4, 3, 2] Figure 5. 22 Example of gold codes generators 140 Br...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 10 pptx
... 250 Broadband Powerline Communications Networks 100 1000 10,000 50 100 150 200 250 300 350 400 450 50 0 Transmission delay (ms) Number of stations Simple ... 249 0.1 0.2 0.3 0.4 0 .5 0.6 0.7 0.8 0.9 1 50 100 150 200 250 300 350 400 450 Utilization Rare requests Average packet size: 150 0 bytes Undisturbed Lightly disturbed Heavily disturbed 100 150 200 250 300 350 400 450 Number...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 1 ppt
... Networks 1 15 4.4.3 Service Classification 121 4 .5 Summary 123 5 PLC MAC Layer 1 25 5.1 Structure of the MAC Layer 1 25 5.1.1 MAC Layer Components 1 25 5.1.2 Characteristics of PLC MAC Layer 126 5. 1.3 ... Reservation Protocols 247 6 .5 Protocol Comparison 250 6 .5. 1 Specification of Required Slot Structure 250 6 .5. 2 Specification of Traffic Mix 252 6 .5. 3 Simulation Results 25...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 3 pdf
... 3.02–3. 15; 3.4– 3 .5; 3.8–3.9; 4.4– 4. 65; 5. 4 5. 68; 6.6–6.7; 8.81–8.96; 10.0– 10.1; 10.1–11.1; 21.0–22.0; 23.0–23.2 Radio astronomy Radio Astronomy 13.3–13.4; 25. 55 25. 67 58 Broadband Powerline Communications ... FCC part 15 Frequency band (MHz) Radiated emission limit (µV/m) (peak) Measured at (m) 1–1.7 05 15 47,7 15/ frequency (kHz) 1.7 05 10 100 30 10–13 .55 3 30 30 13 .5...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 4 potx
... higher Broadband Powerline Communications Networks H. Hrasnica, A. Haidine, and R. Lehnert 2004 John Wiley & Sons, Ltd ISBN: 0-470- 857 41-2 74 Broadband Powerline Communications Networks Time Amplitude ... nT b ) cos(2πf n t +φ n )(4.22) 0 2 4 7 1 6 5 3 0 2 4 7 1 6 5 0 2 7 1 3 6 5 0 2 4 7 1 3 6 5 0 4 7 1 3 6 5 2 0 4 7 1 3 6 5 0 2 4 7 1 3 6 5 0 2 4 7 1 3 6...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 7 pot
... low-priority t CW 1 CW 2 CW n Figure 5. 55 Realization of priorities in contention MAC protocols 160 Broadband Powerline Communications Networks C C C C 0 S S 0 0123 456 7 t Collision resolution interval ... Downlink TF f t Figure 5. 52 TDMA/TDD principle 170 Broadband Powerline Communications Networks Start Transmit End Token received Transmit token Data ? Limit ? N Y YN F...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 8 pdf
... is carried out; Broadband Powerline Communications Networks H. Hrasnica, A. Haidine, and R. Lehnert 2004 John Wiley & Sons, Ltd ISBN: 0-470- 857 41-2 200 Broadband Powerline Communications Networks a ... affected, or not affected by the disturbances. 214 Broadband Powerline Communications Networks Packet size (bytes) 150 0 Probability 0.3017 40 55 2 57 6 0.122...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 9 potx
... protocol in networks with both rare and frequent transmission requests. 234 Broadband Powerline Communications Networks 1 10 100 1000 10,000 100,000 1e + 06 50 100 150 200 250 300 350 400 450 50 0 Signaling ... 244 Broadband Powerline Communications Networks 1 10 100 1000 50 100 150 200 250 300 350 400 450 50 0 Signaling delay (ms) Number of stations Two step Two ... Ne...
Ngày tải lên: 14/08/2014, 01:21
broadband powerline communications networks
... bands for powerline communications Band Frequency range (kHz) Max. transmission amplitude (V) User dedication A 9– 95 10 Utilities B 95 1 25 1.2 Home C 1 25 140 1.2 Home 26 Broadband Powerline Communications ... network 14 Broadband Powerline Communications Networks 2.2 Powerline Communications Systems 2.2.1 Historical Overview PowerLine Communications is the usage...
Ngày tải lên: 17/07/2014, 09:29