车路互联网的底层协议_802_11p标准_罗志锋1

Abs t ra ct: Detaile d de s crip tion the Roa dside and Vehic le Sys te m's unde rlying p rotoc ol- 802.11p s tan-

da rd .Comp ared 802.11p with the tra d itiona l wireles s LAN tec hnology,a n a lysis the media ac c ess control

la ye r(MAC) and phys ical la ye r(PHY) mod ifying in 802.11p standa rd ,point out which the 802.11p c an be

used b e twee n moving vehic les from Phys ical la ye r pa ra meters,PPDU frame structure a nd p riority a c-

ces s.And the n analyze s the freque nc y,channe l,trans mitting powe r a nd the sp ectru m ma s k ad op ted in

802.11p s tan d ard;And als o p uts forward the c ha lle ng es that s ta nd ard is face d with in simula tion a nd es -

tab lis he s a s e t of dynamic simulation syste m to te st the stand a rd in s imula ted situa tion.

Ke y w ord s: ITS (Inte llig ent Tra ns port Syste m);Wireless LAN;802.11p;Road sid e and Ve h icle Sys te ms;

PHY;MAC(Me d ia Acces s Control);Simulink