Articles liés à Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral...
Synopsis
The most bandwidth-efficient communication methods are imperative to cope with the congested frequency bands. Pulse shaping methods have excellent effects on narrowing bandwidth and increasing band utilization. The position of the baseband filters for the pulse shaping is crucial. Post-modulation pulse shaping (a low pass filter is located after the modulator) can change signals from constant envelope to non-constant envelope, and non-constant envelope signals through non-linear device (a SSPA or TWT) can further spread the power spectra. Pre-modulation pulse shaping (a filter is located before the modulator) will have constant envelope. These two pulse shaping methods have different effects on narrowing the bandwidth and producing bit errors. This report studied the effect of various pre-modulation pulse shaping filters with respect to bandwidth, spectral spikes and bit error rate. A pre-modulation pulse shaped 8-ary Phase Shift Keying (8PSK) modulation was used throughout the simulations. In addition to traditional pulse shaping filters, such as Bessel, Butterworth and Square Root Raised Cosine (SRRC), other kinds of filters or pulse waveforms were also studied in the pre-modulation pulse shaping method. Simulations were conducted by using the Signal Processing Worksystem (SPW) software package on HP workstations which simulated the power spectral density of pulse shaped 8-PSK signals, end to end system performance and bit error rates (BERS) as a function of Eb/No using pulse shaping in an AWGN channel. These results are compared with the post-modulation pulse shaped 8-PSK results. The simulations indicate traditional pulse shaping filters used in pre-modulation pulse shaping may produce narrower bandwidth, but with worse BER than those in post-modulation pulse shaping. Theory and simulations show pre- modulation pulse shaping could also produce discrete line power spectra (spikes) at regular frequency intervals.
Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.
Acheter neuf
Afficher cet article
EUR 53,72
EUR 4,67 expédition depuis Royaume-Uni vers France
Destinations, frais et délaisRésultats de recherche pour Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral...
Image d'archives
Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral Spike Elimination
Vendeur : Ria Christie Collections, Uxbridge, Royaume-Uni
Évaluation du vendeur 5 sur 5 étoiles
Etat : New. In. N° de réf. du vendeur ria9781288909919_new
Quantité disponible : Plus de 20 disponibles
Image d'archives
Pulse Shaped 8PSK Bandwidth Efficiency and Spectral Spike Elimination
impression à la demandeVendeur : PBShop.store US, Wood Dale, IL, Etats-Unis
Évaluation du vendeur 5 sur 5 étoiles
PAP. Etat : New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. N° de réf. du vendeur L0-9781288909919
Quantité disponible : Plus de 20 disponibles
Image d'archives
Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral Spike Elimination
Edité par
BiblioScholar 2013-03-12, 2013
ISBN 10 : 1288909918
ISBN 13 : 9781288909919
Neuf
Paperback
Vendeur : Chiron Media, Wallingford, Royaume-Uni
Évaluation du vendeur 5 sur 5 étoiles
Paperback. Etat : New. N° de réf. du vendeur 6666-IUK-9781288909919
Quantité disponible : 10 disponible(s)
Image d'archives
Pulse Shaped 8PSK Bandwidth Efficiency and Spectral Spike Elimination
impression à la demandeVendeur : PBShop.store UK, Fairford, GLOS, Royaume-Uni
Évaluation du vendeur 5 sur 5 étoiles
PAP. Etat : New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. N° de réf. du vendeur L0-9781288909919
Quantité disponible : Plus de 20 disponibles
Image d'archives
Pulse Shaped 8-Psk Bandwidth Efficiency and Spectral Spike Elimination
Edité par
Biblioscholar, 2013
ISBN 10 : 1288909918
ISBN 13 : 9781288909919
Neuf
Paperback / softback
Vendeur : THE SAINT BOOKSTORE, Southport, Royaume-Uni
Évaluation du vendeur 5 sur 5 étoiles
Paperback / softback. Etat : New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days 193. N° de réf. du vendeur C9781288909919
Quantité disponible : Plus de 20 disponibles
Image d'archives
Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral Spike Elimination
Vendeur : Books Puddle, New York, NY, Etats-Unis
Évaluation du vendeur 4 sur 5 étoiles
Etat : New. pp. 82. N° de réf. du vendeur 26390606399
Quantité disponible : 4 disponible(s)
Image fournie par le vendeur
Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral Spike Elimination
Edité par
Books on Demand|BiblioScholar, 2013
ISBN 10 : 1288909918
ISBN 13 : 9781288909919
Neuf
Couverture souple
Vendeur : moluna, Greven, Allemagne
Évaluation du vendeur 5 sur 5 étoiles
Etat : New. The most bandwidth-efficient communication methods are imperative to cope with the congested frequency bands. Pulse shaping methods have excellent effects on narrowing bandwidth and increasing band utilization. The position of the baseband filters for the p. N° de réf. du vendeur 4085502
Quantité disponible : Plus de 20 disponibles
Image d'archives
Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral Spike Elimination
impression à la demandeVendeur : Majestic Books, Hounslow, Royaume-Uni
Évaluation du vendeur 5 sur 5 étoiles
Etat : New. Print on Demand pp. 82. N° de réf. du vendeur 390042080
Quantité disponible : 4 disponible(s)
Image d'archives
Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral Spike Elimination
impression à la demandeVendeur : Biblios, Frankfurt am main, HESSE, Allemagne
Évaluation du vendeur 4 sur 5 étoiles
Etat : New. PRINT ON DEMAND pp. 82. N° de réf. du vendeur 18390606389
Quantité disponible : 4 disponible(s)
Image fournie par le vendeur
Pulse Shaped 8-PSK Bandwidth Efficiency and Spectral Spike Elimination
Vendeur : AHA-BUCH GmbH, Einbeck, Allemagne
Évaluation du vendeur 5 sur 5 étoiles
Taschenbuch. Etat : Neu. Neuware - The most bandwidth-efficient communication methods are imperative to cope with the congested frequency bands. Pulse shaping methods have excellent effects on narrowing bandwidth and increasing band utilization. The position of the baseband filters for the pulse shaping is crucial. Post-modulation pulse shaping (a low pass filter is located after the modulator) can change signals from constant envelope to non-constant envelope, and non-constant envelope signals through non-linear device (a SSPA or TWT) can further spread the power spectra. Pre-modulation pulse shaping (a filter is located before the modulator) will have constant envelope. These two pulse shaping methods have different effects on narrowing the bandwidth and producing bit errors. This report studied the effect of various pre-modulation pulse shaping filters with respect to bandwidth, spectral spikes and bit error rate. A pre-modulation pulse shaped 8-ary Phase Shift Keying (8PSK) modulation was used throughout the simulations. In addition to traditional pulse shaping filters, such as Bessel, Butterworth and Square Root Raised Cosine (SRRC), other kinds of filters or pulse waveforms were also studied in the pre-modulation pulse shaping method. Simulations were conducted by using the Signal Processing Worksystem (SPW) software package on HP workstations which simulated the power spectral density of pulse shaped 8-PSK signals, end to end system performance and bit error rates (BERS) as a function of Eb/No using pulse shaping in an AWGN channel. These results are compared with the post-modulation pulse shaped 8-PSK results. The simulations indicate traditional pulse shaping filters used in pre-modulation pulse shaping may produce narrower bandwidth, but with worse BER than those in post-modulation pulse shaping. Theory and simulations show pre- modulation pulse shaping could also produce discrete line power spectra (spikes) at regular frequency intervals. N° de réf. du vendeur 9781288909919
Quantité disponible : 2 disponible(s)