DOCSIS 4.0
Date
17 Nov 2026
Duration
(Europe/Brussels)
Location
hybrid
In-person and on-line
Course syllabus
Principles of FDD
Band plans
FDD-specific CM initialization
PHY changes
Principles of FDX
Terminology (sub-bands, RBA, IG, TG, …)
Band plans
Interference mitigation challenges (ALI, ACI, CCI)
FDX-specific CM initialization
Interference group discovery (sounding CWT-REQ/RSP or OUDP, Downstream Protection DPR)
CM echo cancellation (ECT-REQ/RSP)
Dynamic Frequency Division Duplex Operation (DFDD)
PHY changes
Minimum grant bandwidth
New MMM
Bonding requirements
FDX-L CM
Static FDX upstream
Challenges
FDX amplifiers
Improved authentication framework BPI+ v2: Perfect Forward Secrecy (PFS), Mutual Message Authentication (MMA)
TOFU
CM SSH
D4.0 modem types (FDD, FDX, FDX-L)
Network migration strategy options
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