OPTICAL COMMUNICATIONS SYSTEMS

Ngày tải lên: 02/03/2013, 16:57

... to I and Q components determining I and Q values for each symbol (“slicing”) decoding and de-interleaving expansion to original bit stream digital- to-analog conversion, if required In more and ... channel coding is added Channel coding encodes the data in such a way as to minimize the effects of noise and interference in the communications channel Channel coding adds extra bits to t...

Ngày tải lên: 26/01/2014, 04:20

... to I and Q components determining I and Q values for each symbol (“slicing”) decoding and de-interleaving expansion to original bit stream digital- to-analog conversion, if required In more and ... Shift Keying) is used in many applications including cordless and paging systems Some of the cordless systems include DECT (Digital Enhanced Cordless Telephone) and CT2 (Cordless Telephon...

Ngày tải lên: 31/03/2014, 07:20

... “Digital pulse interval modulation for optical communications, ” IEEE Communications Magazine, vol 36, no 12, pp 95–99, 1998 [13] T Svedek and S Rupcic, “Anisochronous modulation methods for optical ... and R Kohno, “Combined pulse shape and pulse position modulation for high data rate transmissions in ultra-wideband communications, ” International Journal of Wireless...

Ngày tải lên: 21/06/2014, 08:20

... Elementary decoder for row N Elementary decoder for column N Elementary decoder for column ··· Elementary decoder for row Elementary decoder for column ··· Elementary decoder for row N ... Elementary decoder for column N A module for one iteration Figure 7: Full-parallel architecture for decoding of product codes 6.1 Turbo decoder complexity analysis A...

Ngày tải lên: 21/06/2014, 23:20

... specification of the system; while Section details the architecture exploration phase Section presents concrete results for the final system implementation; while Section provides the conclusions of the ... outdoor wireless communications on the same hardware The rest of the paper is organized as follows Section provides an overview of the HIPERLAN/2 system Section provides detai...

Ngày tải lên: 22/06/2014, 22:20

... novel hybrid modulation technique called differential amplitude pulse-position modulation (DAPPM) is proposed DAPPM is a combination of pulse -amplitude modulation (PAM) and DPPM The performance is ... 11 (3) (4) DIFFERENTIAL AMPLITUDE PULSE-POSITION MODULATION DAPPM is a combination of PAM and DPPM Therefore the symbol length and pulse amplitude are varied according to th...

Ngày tải lên: 23/06/2014, 00:20

... SU B Validation of Communications Systems with SDL: The Art of SDL Simulation and Reachability Analysis Laurent Doldi  2003 John Wiley & Sons, Ltd ISBN: 0-470-85286-0 Simpo26 Validation of Communications ... of the specification before the target hardware and software platform is available: board, board support package, compiler and so on Validati...

Ngày tải lên: 27/06/2014, 00:20

Ngày tải lên: 05/08/2014, 16:20

... observers 11 1 11 3 11 4 11 4 11 7 11 9 12 1 12 7 13 2 13 4 13 6 13 6 13 9 14 2 14 9 15 9 16 1 Random Simulation 6 .1 Principles ... Data Types 9 10 10 11 11 11 13 13 13 13 14 15 15 16 17 17 17 18 18 19 19 20 viii Contents 2.4 .1 Predefined data 2.4.2 ... 18 1 18 1 18 1 18 4 18 4 18 5 18 5 19 0 19 1 19 2 19 7 19 9 202 206 210 214 217 x...

Ngày tải lên: 07/08/2014, 21:20