1999
DOI: 10.1007/3-540-48757-3_37
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Introducing Mobile Multimedia Broadcasting Services

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Cited by 5 publications
(3 citation statements)
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“…Mobile television was conceived and promoted by the mobile phone handset manufacturers in partnership with broadcasters, and programme and content providers (Christ and Pogrzeba 1999). In Europe, the possibilities of digital television for mobile were tested in different European-Union-funded projects from between 1998 and 2003, resulting in a dedicated standard -DVB-H (Digital Video Broadcasting-Handheld) (Sieber and Weck 2004).…”
Section: The Birth Of Mobile Televisionmentioning
confidence: 99%
“…Mobile television was conceived and promoted by the mobile phone handset manufacturers in partnership with broadcasters, and programme and content providers (Christ and Pogrzeba 1999). In Europe, the possibilities of digital television for mobile were tested in different European-Union-funded projects from between 1998 and 2003, resulting in a dedicated standard -DVB-H (Digital Video Broadcasting-Handheld) (Sieber and Weck 2004).…”
Section: The Birth Of Mobile Televisionmentioning
confidence: 99%
“…The VALIDATE project has helped to consolidate the future of digital terrestrial TV broadcasting by verifying the DVB-T specification in detail, by ensuring that the service planning was based on a solid technical foundation and by proposing solutions to operational problems, demonstrating the potential benefits of digital terrestrial broadcasting [12]. Some tests have been realized in mobility and have led to define the MOTIVATE project, which has investigated mobile reception of digital terrestrial TV signals in single-frequency (SFN) and multifrequency (MFN) networks [2,8]. These works has been continued in the MCP project with a focus on mobile services [11], and, later, in the CONFLUENT project where a variety of reception tests were performed using new diversity DVB-T receivers [3,6].…”
Section: State-of-artmentioning
confidence: 99%
“…5.31), καθιστά τον δέκτη λιγότερο ευαίσθητο στην ολίσθηση Doppler. Καθώς τα συστήματα OFDM είναι ιδιαίτερα ευάλωτα σε ολισθήσεις Doppler, των οποίων η τιμή πρέπει να είναι σημαντικά μικρότερη του διαστήματος μεταξύ φερόντων [Edfors96], είναι φυσικό ότι η εκπομπή των 2Κ παρουσιάζει την ίδια συμπεριφορά ως προς τις απώλειες δεδομένων σε τέσσερις φορές υψηλότερες ταχύτητες κίνησης του δέκτη σε σύγκριση με αυτή των 8Κ [Christ99] Επίσης, η κατάσταση των 2Κ, με μικρότερη περίοδο συμβόλου, επιτρέπει στον δέκτη να εκτελεί πιο συχνά τη διαδικασία εκτίμησης καναλιού (channel estimation) και συνεπώς να προσαρμόζεται γρηγορότερα στα χαρακτηριστικά μεταφοράς του εκάστοτε καναλιού.…”
Section: αποτελέσματαunclassified