PHY Abstraction to be used in MAC simulation B.Jechoux, H.Bonneville Mitsubishi ITE H.Bonneville, B.Jechoux

History Questions raised in 11-03-0888-02 (Jeff Gilbert) Month 2003 doc.: IEEE 802.11-03/xxxr0 History Questions raised in 11-03-0888-02 (Jeff Gilbert) PHY impairments: currently being fixed in FRCC PHY abstraction used in MAC: to be addressed Large consensus in Jan 6th FRCC telecon for the need of a “unified way of modeling PHY error rate in MAC simulation” H.Bonneville, B.Jechoux, Jeff Gilbert, Qinfang Sun H.Bonneville, B.Jechoux, Mitsubishi ITE

PHY Abstraction problem Month 2003 doc.: IEEE 802.11-03/xxxr0 PHY Abstraction problem PHY/MAC Interface can drastically impact overall results: Time varying channel creates time varying PER Affects overall delay, jitter and goodput Challenge Properly model detailed PHY characteristics Keep flexibility to adapt to various PHYs Keep simulation effort reasonable H.Bonneville, B.Jechoux, Jeff Gilbert, Qinfang Sun H.Bonneville, B.Jechoux, Mitsubishi ITE

Benefits Transparency Comparability Merging ability Month 2003 doc.: IEEE 802.11-03/xxxr0 Benefits Transparency Assess MAC simulation result validity Allow cross checking Comparability Fair comparison between System results Fair comparison between MACs Merging ability MAC and PHY from different proposers H.Bonneville, B.Jechoux, Jeff Gilbert, Qinfang Sun H.Bonneville, B.Jechoux, Mitsubishi ITE

Straw polls Straw Poll #1: Straw Poll #2: Month 2003 doc.: IEEE 802.11-03/xxxr0 Straw polls Straw Poll #1: Do we want a unified way of modeling PHY error rate in MAC/System simulation? Straw Poll #2: When must this be completed by? By the time of the call for proposals By the session following the call for proposals The call for proposals should not be issued until this completes (by next session latest) H.Bonneville, B.Jechoux, Jeff Gilbert, Qinfang Sun H.Bonneville, B.Jechoux, Mitsubishi ITE