- single-carrier system. In
coded orthogonal frequency-division
multiplexing (
COFDM),
forward error correction (convolutional coding) and time/frequency interleaving...
- is used
primarily in
North America; in contrast, the DVB-T
standard uses
COFDM. A
modulation method specifies how the
radio signal fluctuates to convey...
- broadcasting, self-interference
cancellation is
facilitated by the OFDM or
COFDM modulation method. OFDM uses a
large number of slow low-bandwidth modulators...
-
spectral masks for the same purpose. Many
digital modulation methods such as
COFDM use the
electromagnetic spectrum very efficiently,
allowing for a very tight...
-
designator for
COFDM is W7D. The W7D
comes from
Paragraph 40 of the
November 13, 2002, ET
Docket 01-75 R&O. It is only
coincidence that the QAM and
COFDM emission...
-
transport stream,
using coded orthogonal frequency-division
multiplexing (
COFDM or OFDM) modulation. It is also the
format widely used
worldwide (including...
-
Radio modulation AM FM
COFDM Frequency allocations LW (LF) MW (MF) SW (HF) VHF (low / mid / high) L band (UHF)
Digital systems CAM-D DAB/DAB+ DRM/DRM+...
- and TiMi 3. DVB-T uses
coded orthogonal frequency division multiplexing (
COFDM),
which uses as many as 8000
independent carriers, each
transmitting data...
-
Philips since 1989. This
codec incorporated into a
broadcasting system using COFDM modulation was
demonstrated on air and in the
field with
Radio Canada and...
-
included QAM, Spectrally-Shaped QAM, 6 VSB (with
trellis code) and 4/2 VSB.
COFDM had been
proposed by
third parties, but was
rejected as not
being mature...
