QAM and QPSK:
generation of Quadrature Phase Shift Keyed (QPSK or 4-PSK) signal and ... The above has described digital-QAM or QPSK. This signal is also called 4-PSK or 4 ... http://www.ele.uri.edu/Courses/ele436/labs/QAM.pdf
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QPSK Modulation Demystified - AN686
QPSK modulation of a 1MHz sine wave. A phasor diagram shows the impact ... The proof of how phase modulation, and hence QPSK, is demodulated is shown below. ... http://pdfserv.maxim-ic.com/en/an/AN686.pdf
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Model D9492 DAVIC QPSK Demodulator - 740360
The Model D9492 DAVIC QPSK Demodulator is an integral component of Scientific-Atlanta's Digital. Headend product line. This device works in conjunc- ... http://www.cisco.com/en/US/prod/collateral/video/ps9159/ps9265/ps9266/product_data_sheet0900aecd806ceb78.pdf
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Model D9482 DAVIC QPSK Modulator - 740361
The Model D9482 QPSK Modulator is an integral component of Scientific-Atlanta's Digital Headend ... family of set-tops, and the QPSK Demodulator to ... http://www.cisco.com/en/US/prod/collateral/video/ps9159/ps9265/ps9266/product_data_sheet0900aecd806ceb7b.pdf
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QPSK, OQPSK, CPM Probability Of Error for AWGN and Flat Fading ...
by SK Kaul - Cited by 2 http://www.winlab.rutgers.edu/~narayan/Course/Wless/Lectures05/lect9.pdf
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TechniSat SkyStar 2 PCI DVB QPSK Receiver PCI Board
QPSK. Symbol Rates. 2-29 MS/s. Filtering. 0.35 Nyquist Half BW. Viterbi. Inner. 1/2, 2/3, 3/4, 5/6, 7/8,. Auto Sense. Reed-Solomon Outer Code (k+T,K,T) ... http://www.bbti.us/download/datasheets/SkyStar2-PCI.pdf
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Efficient FPGA-based QPSK Demodulation Loops: Application to the ...
There are several ways to perform QPSK coherent demodulation which have ..... design of a QPSK demodulation loop compliant with the DVB standard. The ... http://www.springerlink.com/index/8MWNA7R6QB6T8HGP.pdf
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CLASSIFICATION OF BPSK AND QPSK SIGNALS USING AN ANTENNA ARRAY*
BPSK and QPSK signals are commonly used in PSK modulation, and their ..... array likelihood classifier for BPSK and QPSK signals under the AWGN envi- ... http://www.springerlink.com/index/118025035M615762.pdf
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ModBox-40Gbps-QPSK
@1550 nm ModBox integrating two high bandwidth RF drivers and QPSK 40 Gb/s ... The ModBox-40Gbps-QPSK is a bench-top Modulation Unit dedicated to digital ... http://www.photline.com/ModBox QPSK-40Gbps.pdf
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QPSK Receiver
The professional QPSK receiver QPE 8600 is used for the ... QPSK demodulation and decoding according to. EN 300421 and EN 301192 ... http://www.broadcast.harris.com/media/QPSK_25-8476.pdf
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QPSK and 16-QAM
QPSK: quadrature phase shift keying ..... QPSK requires 13.81 dB carrier-to-noise ratio (C/N or ... QPSK, the C/N must be ~7 dB better when 16-QAM is ... http://chapters.scte.org/cascade/QPSK and 16-QAM.pdf
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Trellis-Coded Quadrature-Phase-Shift Keying (QPSK) With Variable ...
by MK Simon - Cited by 8 http://staff.washington.edu/paymana/papers/136F.pdf
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Microsoft PowerPoint - idsp-qpsk
QPSK transmits two bits at a time (at time n), using one of the four following phase values: ... The QPSK modulator converts sequence of integers in range ... http://www.ewi.utwente.nl/~gerezsh/sendfile/sendfile.php/idsp-qpsk.pdf?sendfile=idsp-qpsk.pdf
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QPSK or 8PSK QAM QAM TRANSCODER MODULE 1x QPSK/8PSK 1x QAM
QTM-HD - accepts one input in QPSK or 8PSK format, and delivers on output in QAM 256 mode. ... 6241 QAM Transcoder Module; QPSK/8PSK input, QAM 256 output ... http://www.blondertongue.com/digital/QTM_Spec.pdf
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Modular QPSK to QAM Transcoder
36 MHz QPSK satellite transponder signal to a 6 MHz QAM signal ... Modular QPSK to QAM Transcoder Comes Factory configured w/ 4 STM, 1 PSCM in a 4MCH ... http://www.blondertongue.com/digital/mqqt.pdf
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Demodulation of Orthogonally polarized 20-Gbit/s QPSK Signals with ...
by S Tsukamoto - Cited by 60 http://www.ofcnfoec.org/materials/PDP29.pdf
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AN ENHANCED, CONSTANT ENVELOPE, INTEROPERABLE SHAPED OFFSET QPSK ...
by TJ Hill - Cited by 42 http://www.nova-eng.com/downloads/wp_soqpsk.pdf
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Full-Duplex Shaped QPSK Modem Data Sheet
The Shaped QPSK modem is designed to provide full duplex operation, ... The interfaces to the Shaped QPSK modulator/demodulator are described in Table 3-1. ... http://www.nova-eng.com/downloads/sqpsk_modem.pdf
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Data sheet for BPSK/QPSK/8PSK Demodulator
Figure 2: BPSK/QPSK/8PSK Demodulator Schematic Diagram ... 1 This QPSK clock is single clock system and all I/Os and internal decoder ... http://www.softjin.com/IP_Datasheet_PDF_version/PSK_demodulator_datasheet.pdf
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Data sheet for BPSK/QPSK/8PSK/16APSK/32APSK Modulator
BPSK,QPSK, 8PSK, 16PSK, 32PSK are four major Modulation Techniques used in most of .... Table 2: QPSK/8PSK/16APSK/32APSK Modulator signal definition table. ... http://www.softjin.com/IP_Datasheet_PDF_version/PSK_Modulator_datasheet.pdf
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IMPLEMENTING A PI/4 SHIFT D-QPSK BASEBAND MODEM USING THE TMS320C50
by J Webber - Cited by 7 http://focus.ti.com.cn/cn/lit/an/spra341/spra341.pdf
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CROSS-TALK IN QPSK COMMUNICATION SYSTEMSI
by TM Nguyen - 1994 - Cited by 1 http://trs-new.jpl.nasa.gov/dspace/bitstream/2014/32533/1/94-0277.pdf
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Multiple Bit Differential Detection of Offset QPSK* Marvin K ...
by M Simon - 2003 - Cited by 17 http://trs-new.jpl.nasa.gov/dspace/bitstream/2014/10023/1/02-2105.pdf
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VXI Based Multibunch Detector and QPSK Modulator for the PEP-II ...
by A Young - Cited by 6 http://epaper.kek.jp/pac97/papers/pdf/6P057.PDF
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Bandpass Sampling of QPSK
Bandpass Sampling of QPSK in SystemVue. Bandpass sampling of a QPSK signal ... 480 MHz (×20 the nominal maximum frequency of the QPSK signal here or 20 × ... http://astro.temple.edu/~silage/Bandpass Sampling QPSK.pdf
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QPSK Transport Stream Processor
The QPSK TSP supports specific measurement functions and status indicators ... Alarm thresholds can be set on any of the DVStation™ QPSK TSP's parameters: ... http://www.pixelmetrix.com/datasheets/QPSK.pdf
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QPSK BER App Note 103
DVStation QPSK Measurements. DVStation can be fitted with any combination of 21 different modules. ... Of course QPSK performance parameters can be directly ... http://www.pixelmetrix.com/datasheets/AppNote/AN103 QPSK BER.pdf
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DVB-S and DIRECTV™ QPSK receiver with autoscan feature
latest DVB and DIRECTVTM QPSK digital receiver, which adds blind scan capability and DiSEqC 2.0 to ... converters for I-input and Q-input, a QPSK ... http://www.st.com/stonline/books/pdf/docs/11593.pdf
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Low-cost QPSK demodulator and MPEG2 decoder for set-top box ...
It is a highly integrated solution combining QPSK ... of ST's MPEG2 SD family of audio/video decoders and QPSK demodulators, whilst ... http://www.st.com/stonline/products/literature/bd/15458.pdf
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OQPSK OQPSK (offset QPSK) is a special version of QPSK in which ...
with BPSK and QPSK. To decode multiphase DPSK (up to 16DPSK) the input signal is ... levels and a QPSK would result in a 8QAM with 8 states representing 8 ... http://www.hoka.com/th/TH_waveformdescription.pdf
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ENB346 - Digital Communications - Lecture 4 - QPSK and Offset QPSK ...
In this lecture we will extend our discussion on QPSK and learn about another ... The power density of QPSK (and OQPSK) is given by the expression ... http://cmapspublic3.ihmc.us/rid=1224197201492_249384565_5980/L4.pdf
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15.3 Carrier Detection of Unbalanced QPSK Direct Sequence Signals
by DA Hill - Cited by 7 http://www.argreenhouse.com/society/TacCom/papers99/15_3.pdf
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AN QPSK 3G TRANSMITTER BASED ON THE TMS320C6711DSP During the last ...
by CT ANGELIS - Related articles http://www.nipne.ro/rjp/2005_50_7-8/0669_0678.pdf
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Analyzing SpectralRegrowth of QPSK and OQPSK Signals
(QPSK) signal: .Symbol transition goes through the origin experiences cut-off .... QPSK signal,butnotfor the. OQPSK. A measure for spectralbroadening ... http://csip.ece.gatech.edu/Seminars/PowerPoint/sem05_04_01_Raviv_Raich.pdf
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A Simple Digital VHDL QPSK Modulator Designed Using CPLD/FPGAs for ...
by G Elamary - 2009 - Related articles http://www.iaeng.org/publication/WCE2009/WCE2009_pp376-381.pdf
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COM1002 BPSK/QPSK/OQPSK modulator
BPSK/QPSK/OQPSK modulator. • Programmable data rates up to 20 Mbps ..... QPSK test pattern 2047-bit pseudo-random sequence no spectrum inversion ... http://www.comblock.com/download/com1002.pdf
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COM-1001 BPSK/QPSK/OQPSK Demodulator
As with all QPSK demodulators, there is a phase ... advisable to use differential QPSK. The phase .... The demodulated QPSK bits (also captured with ... http://www.comblock.com/download/com1001.pdf
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Data Sheet - DAVIC QPSK Demodulator Model D9494
The QPSK Demodulator Model D9494 is an integral component of Scientific Atlanta's ... demodulator and QPSK modulator create a DAVIC-compliant headend QPSK ... http://www.ciscofinancing.com/en/US/prod/collateral/video/ps9159/ps9265/ps9266/7007795A.pdf
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Direct QPSK Modulator for Point-to-Point Radio Link at 23 GHz
by B Jokanovic - Cited by 3 http://www.mwr.medianis.net/pdf/Vol7No3-07-BJokanovic.pdf
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IDENTIFIABILITY OF BPSK, MSK AND QPSK FIR SISO CHANNELS FROM ...
by JP Delmas - Cited by 1 http://www.i3s.unice.fr/~pcomon/FichiersPdf/DelmCM06-cannes.pdf
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The error performance of Gray encoded QPSK and 8-PSK schemes in a ...
encoded QPSK signal. (b) Signal constellation and optimum decision region ... for the Gray encoded QPSK signal shown in Fig. 2(a) can be written [2] as ... http://ieeexplore.ieee.org/iel1/26/6419/00250824.pdf
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Comparison of QPSK/QAM OFDM and Spread Spectrum for the 2-11 GHz ...
The Task Group 3 should specify that Single Carrier QPSK/QAM be used for the .... QPSK/QAM systems are simple to implement and have the lowest peak-to- ... http://www.ieee802.org/16/tg3/contrib/802163c-00_23.pdf
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8PSK/QPSK-QAM transmodulators
Channel processing equipment. Compact modular headend CMH3000. 8PSK/QPSK-QAM transmodulators. ● bit rate adaption with PCR restamping ... http://www.terraelectronics.com/Pub/Temp/49_td111_113_a.pdf
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Real-time Synchronous QPSK Transmission with Standard DFB Lasers ...
by T Pfau - 2006 - Cited by 5 http://www.celight.com/images/pdfs/cthc5_Real-time Synchronous QPSK Transmission with Standard.pdf
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Part-2 Coursework - Communication Systems "DS/QPSK Communication ...
of a QPSK Digital Communication System which is then extended to a Direct-. Sequence QPSK Spread Spectrum Communication System operating in the presence ... http://skynet.ee.ic.ac.uk/notes/CS_Part2_2009_10.pdf
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Enhanced Telemetry System using CP-QPSK Band- Pass Modulation ...
by N Fawaz - Cited by 1 http://www.asic.fh-offenburg.de/downloads/ePille/IFIP_IEEE_Dubai_Conference.pdf
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QPSK - DEMODULATION
It is necessary that the Lab Sheet entitled QPSK - generation, ... required for this experiment, as it provides an input to a QPSK demodulator. ... http://myhome.spu.edu/bolding/EE4560/assignments/Lab 31 QPSK Demodulation.pdf
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High Rate Turbo Codes for BPSK/QPSK Channels ¤ ÄOmer F. A»c³kel ...
in principle for coded BPSK/QPSK receivers (Es is the channel symbol energy). ... bps/Hz on QPSK channels. Our focus is on turbo codes ... http://www.ece.arizona.edu/~ryan/publications/ICC98B.pdf
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A Differential QPSK Modem Using the TMS320C6711 DSK
by S Weiss - 2004 - Related articles http://eprints.ecs.soton.ac.uk/10037/01/modem.pdf
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1.1 QPSK (ZT 8.1.5) 1.2 QAM Signals (ZT 8.1.7)
where Es = 2Eb is the energy in the QPSK symbol, and Eb is the energy in a bit. ... For QPSK and QAM signals that contain information in both the Iand Q ... http://ece-classweb.ucsd.edu/winter07/ece157a/notes/QPSKNotes.pdf
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