KSIĄŻKI POWIĄZANE ZE SŁOWEM «DUOBINARY»
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1
Coding for Optical Channels
2.3.4 Duobinary Modulation Format The optical duobinary signal has two
intensity levels “on” and “off. ... states “1” and “1” of the duobinary encoded signal,
and the “off” state corresponds to the logic state “0” of the duobinary encoded
signal.
Ivan Djordjevic, William Ryan, Bane Vasic, 2010
2
Optical Networks: A Practical Perspective
One such scheme that we discuss in the next section is optical duobinary
modulation. It can increase the spectral efficiency by a factor of about 1.5,
typically, achieving a spectral efficiency of 0.6 b/s/Hz.
Rajiv Ramaswami, Kumar Sivarajan, Galen Sasaki, 2009
3
Optical Communication Theory and Techniques
BEST OPTICAL FILTERING FOR DUOBINARY TRANSMISSION Invited Paper G.
Bosco, A. Carena, V. Curri, and P. Poggiolini Dipartimento di Elettronica,
Politecnico di Torino, C.so Duca degli Abruzzi, 24 - 10129 Torino - Italy.
4
Optical Code Division Multiple Access: Fundamentals and ...
5.3.2.3 RZ-Duobinary Duobinary modulation is a bandwidth efficient modulation
scheme that allows one to transmit f, bit/sec within a bandwidth less than /, 12 Hz.
In order to accom- J data J dam plish this based on Nyquist's results, it is ...
5
Digital Transmission Systems
For k = 4 bps/Hz, for example, 16 levels would be required with 100 percent
raised cosine transmission but only 7 levels with duobinary. For 6 bps/Hz, 100
percent raised-cosine transmission requires 64 levels whereas duobinary
requires only ...
6
Data Communications Principles
4.21 Communication model for Class 4 partial response (modified duobinary). C(f
) = 2rlsin 2nfT\. T(f)H(f)C(f) = xNiv,in(f), and s(t) = 4.6.2 CLASS 4 PARTIAL
RESPONSE (MODIFIED DUOBINARY) We now consider the Class 4 partial
response ...
Richard D. Gitlin, Jeremiah Hayes, Stephen B. Weinstein, 1992
7
Digital Communication System Using System VUE
However, both the sinc and duobinary pulse require a communication channel
that has a significant low frequency response to 0 Hz. The modified duobinary
pulse pmdb(t) obviates this concern and is generated by the difference of two
sinc ...
8
Digital Signal Transmission
Table 6.2 input data 00 01010101011 1 Duobinary sequence -V -V 0 0 0 0 0 0 0
0 0 +V +V Received : duobinary -V 0 000000000 +V+V Decoded data 00
10101010101 1 Table 6.3 Input data 0 01111111110 0 Differentially coded 00 0
...
Chris Bissell, David A. Chapman, 1992
9
Digital Transmission: A Simulation-Aided Introduction with ...
Duobinary. and. Modified. Duobinary. Signaling. In this subsection we shall see
that correlative coding can be regarded as a practical means of achieving the
symbol rate of 1/T symbols per second in a minimum theoretical bandwidth of 1/(
2T) ...
Dayan Adionel Guimaraes, 2010
10
Analog Circuit Design: High-speed Clock and Data Recovery, ...
26 Optimal decision point in a channel that is not duobinary Fig. 27 Equivalence
between DB logic and LA DFE logic A +B Eg: prev. bit 1 DFE selects this sampler
1) DFE:“1”; DB“1” 3) DFE: “0”; DB negates the bit -> 0 + 2) DFE: “0”; DB “0” The ...
Michiel Steyaert, Arthur H. M. van Roermund, Herman Casier, 2008
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «DUOBINARY»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
duobinary w wiadomościach.
Is PAM4 ready for prime time?
In my various discussions at DesignCon, more than one person wondered if duobinary signaling could serve as in interim step between NRZ ... «EDN.com, Lut 15»
Reaching exabit/s·km data transmission
They do this with a combination of a seven-core fiber and ultradense wavelength-division multiplexing (WDM) using duobinary pulse shaping, ... «Laser Focus world, Sty 14»
Metro 100G: An OFC/NFOEC Reporter's Notebook
Four primary options have emerged: DP-QPSK, 16-QAM, 4x25-Gbps (or, really, 4x28G if you include overhead) using optical duobinary (ODB) ... «LightWave Online, Mar 12»
Oclaro unveils tunable 100G DWDM CFP transceiver
The new CFP transceiver is based on a direct-detection optical duobinary (ODB) modulation format. Direct detection, which utilizes standard ... «LightWave Online, Mar 12»
100 Gb/s gets ready for prime time
Return-to-zero/non-return-to-zero schemes were supplanted by duobinary, which was overtaken by coherent phase-shift keying, then ... «SPIE Newsroom, Cze 11»
