EP 1938624 A2 20080702 - APPARATUS AND METHOD FOR UNCOMPRESSED, WIRELESS TRANSMISSION OF VIDEO
Title (en)
APPARATUS AND METHOD FOR UNCOMPRESSED, WIRELESS TRANSMISSION OF VIDEO
Title (de)
VORRICHTUNG UND VERFAHREN ZUR UNKOMPRIMIERTEN DRAHTLOSEN ÜBERTRAGUNG VON VIDEO
Title (fr)
APPAREIL ET PROCÉDÉ POUR UNE TRANSMISSION SANS FIL D'UNE VIDÉO NON COMPRESSÉE
Publication
Application
Priority
- US 2006041485 W 20061023
- US 72945905 P 20051021
- US 75215505 P 20051219
- US 75806006 P 20060110
- US 55164106 A 20061020
- US 55165406 A 20061020
Abstract (en)
[origin: WO2007048061A2] An apparatus and method for wireless transmission of uncompressed HDTV video overcomes the challenges of sending vast amounts of information over a wireless link. This is achieved by direct mapping of transformation coefficients of the video components to communication symbols, such as OFDM symbols. A main portion of the important transform coefficients, for example the MSBs of the coefficients representing lower frequencies of each of the video components, and in particular the quantized values of the lower frequencies components, are sent in a coarse representation using, for example, QPSK or QAM. The coefficients representing higher frequencies of the video components, and the quantization error values of the lower frequencies components, or some, non-linear transformation thereof, are sent as pairs of real and imaginary portions of a complex number that comprises a point in a fine constellation. The invention further provides a delay-less and buffer-less implementation of transmitter and receiver pairs.
IPC 8 full level
H04L 27/34 (2006.01)
CPC (source: EP)
H04L 27/3488 (2013.01); H04N 11/044 (2013.01); H04N 19/102 (2014.11); H04N 19/126 (2014.11); H04N 19/18 (2014.11); H04N 19/36 (2014.11); H04L 27/2601 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
WO 2007048061 A2 20070426; WO 2007048061 A3 20090430; EP 1938624 A2 20080702; EP 1938624 A4 20091028; JP 2009513064 A 20090326
DOCDB simple family (application)
US 2006041485 W 20061023; EP 06836492 A 20061023; JP 2008536611 A 20061023