3GPP中的RAN1\RAN2\RAN3

RAN WG1 (RAN1) Layer 1 (Physical layer) specification 
RAN WG2 (RAN2) Layer 2 (MAC, RLC) and layer 3 specification 
RAN WG3 (RAN3) Overall UTRAN architecture. 
RAN WG4 (RAN4) Radio performance and protocol aspects 
RAN WG5 (RAN5) Mobile terminal conformance testing 

LTE specifications and their corresponding working groups.

-36.1xx: RAN4
-36.2xx: RAN1
-36.3xx: RAN2
-36.4xx: RAN3
-36.5xx: RAN5
-36.8xx: RAN4
-36.902: RAN3
-36.913: RAN
-36.938: RAN4
-36.942: RAN4
-36.956: RAN4