Broadband Powerline Communications Networks Design phần 9 potx
Broadband Powerline Communications Networks Design phần 9 potx
... better than any investigated one-step 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 ... maximum network load per station under certain RTT P – average packet size 228 Broadband Powerline Communications Networks 10 100 1000 10,000 50 100 150 200 250 300 350 400 45...
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: 0-470-85741-2 74 Broadband Powerline Communications Networks Time Amplitude ... −t a,i t w,i (3. 29) Time Amplitude (V) Impulses envelope Impulses signal Figure 3.23 Example of some measured impulses in the time domain in a PLC network 98 Broa...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 1 ppt
... 8 Broadband Powerline Communications Networks Big customers Individual subscribers Access networks WAN Figure 2.1 General structure of telecommunications networks to the subscribers. ... optical telecommunications networks offer higher data rates than any other communications technology. Frequent usage of optical transmission systems within 4 Broadband Powerline Communica...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 3 pdf
... broadcasting 1.3–1.6; 3 .9 4.0; 5 .9 6.0, 6.0–6.2; 7.1–7.3; 7.3–7.35; 9. 4 9. 5; 9. 5 9. 9; 13.5–13.6; 13.6–13.8; 15.1–15.6; 25.6–26.1 Maritime mobile Tactical/strategic maritime Maritime Mobile S5 .90 Distress ... network layers on each of the PLC access networks belonging to the complex structure. The change of the network structure 60 Broadband Powerline Communications Networks...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 5 pptx
... interleaving strategy 128 Broadband Powerline Communications Networks mechanisms for error handling in PLC networks. Accordingly, both multiple access scheme and MAC protocol have to be designed to allow ... (d min − 1)/2 (4. 39) The main classes of the block codes that are widely used in the practice are the Hamming codes and the cyclic codes. 110 Broadband Powerline Communica...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 6 pptx
... Broadband Powerline Communications Networks OFDM symbols OFDM symbols f t Time slots Figure 5.4 OFDM/TDMA network based on the OFDM building an OFDM/TDMA transmission system [Lind 99, WongCh 99] . ... [ChlaFa97] or a CDMA/FDMA scheme [SchnBr 99] . In a CDMA/TDMA scheme, the accessible sections of the transmission resources are provided by both division 146 Broadband Powerline Co...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 7 pot
... investigated for implementa- tion in various telecommunications technologies (ATM, modern IP networks, etc.). Thus, 184 Broadband Powerline Communications Networks realized by redirecting the transmission ... diagram Destination station Source station RTS CTS Packet/Frame Ack Figure 5. 49 RTS/CTS mechanism 164 Broadband Powerline Communications Networks In the example presen...
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: 0-470-85741-2 200 Broadband Powerline Communications Networks a ... [AkyiMc 99] and [AkyiLe 99] ). In this case, a transmission request can be added to the last data segment of a currently transmitted packet (piggybacked). So, the current...
Ngày tải lên: 14/08/2014, 01:21
Broadband Powerline Communications Networks Design phần 10 pptx
... hoc networks, Wireless Networks, 7, 371–384 2001. [Yang98] S. C. Yang, CDMA RF System Engineering, Artech House, Inc., USA, 199 8, ISBN 0- 890 06- 99 1-3. 256 Broadband Powerline Communications Networks In ... Springer-Verlag, New York, 199 0. [SahiTe 99] Z. Sahinpglu, S. Tekinay, On multimedia networks: self-similar traffic and network performance, IEEE Communications Magazine,...
Ngày tải lên: 14/08/2014, 01:21
broadband powerline communications networks
... network 14 Broadband Powerline Communications Networks 2.2 Powerline Communications Systems 2.2.1 Historical Overview PowerLine Communications is the usage of electrical power supply networks for ... bands for powerline communications Band Frequency range (kHz) Max. transmission amplitude (V) User dedication A 9 95 10 Utilities B 95 –125 1.2 Home C 125–140 1.2 Home 26...
Ngày tải lên: 17/07/2014, 09:29