From cd6956880b8a7300d7d73c1afb973ca73683644d Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Sun, 13 Sep 2015 16:36:44 +0200 Subject: Change FIG allocation --- src/fig/FIGCarousel.cpp | 45 +++++++++++++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 16 deletions(-) (limited to 'src') diff --git a/src/fig/FIGCarousel.cpp b/src/fig/FIGCarousel.cpp index 78420b8..c9daddf 100644 --- a/src/fig/FIGCarousel.cpp +++ b/src/fig/FIGCarousel.cpp @@ -74,24 +74,37 @@ FIGCarousel::FIGCarousel(boost::shared_ptr ensemble) : m_fig0_18(&m_rti), m_fig0_19(&m_rti) { - load_and_allocate(m_fig0_1, FIBAllocation::FIB_ANY); - load_and_allocate(m_fig0_2, FIBAllocation::FIB_ANY); - + /* Complete MCI except FIG0/8 should be in FIB0. + * EN 300 401 Clause 6.1 + * + * It seems that this has become a weak requirement + * with time, because current receivers can cope with + * FIGs in any FIB. During elaboration of the standard, + * receiver manufacturers were concerned about the complexity, + * and pushed for support for receivers that only could + * decode FIB0. + * + * If repetition rate cannot be maintained with this allocation, + * we should drop the requirement and allocate all FIGs except 0/0 + * to FIB_ANY + */ load_and_allocate(m_fig0_0, FIBAllocation::FIB0); + load_and_allocate(m_fig0_1, FIBAllocation::FIB0); + load_and_allocate(m_fig0_2, FIBAllocation::FIB0); load_and_allocate(m_fig0_3, FIBAllocation::FIB0); - load_and_allocate(m_fig0_17, FIBAllocation::FIB0); - - load_and_allocate(m_fig0_8, FIBAllocation::FIB1); - load_and_allocate(m_fig1_0, FIBAllocation::FIB1); - load_and_allocate(m_fig0_13, FIBAllocation::FIB1); - load_and_allocate(m_fig0_10, FIBAllocation::FIB1); - load_and_allocate(m_fig0_9, FIBAllocation::FIB1); - - load_and_allocate(m_fig1_1, FIBAllocation::FIB2); - load_and_allocate(m_fig1_4, FIBAllocation::FIB2); - load_and_allocate(m_fig1_5, FIBAllocation::FIB2); - load_and_allocate(m_fig0_18, FIBAllocation::FIB2); - load_and_allocate(m_fig0_19, FIBAllocation::FIB2); + + load_and_allocate(m_fig0_17, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig0_8, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig1_0, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig0_13, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig0_10, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig0_9, FIBAllocation::FIB_ANY); + + load_and_allocate(m_fig1_1, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig1_4, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig1_5, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig0_18, FIBAllocation::FIB_ANY); + load_and_allocate(m_fig0_19, FIBAllocation::FIB_ANY); } void FIGCarousel::load_and_allocate(IFIG& fig, FIBAllocation fib) -- cgit v1.2.3