| 摘要 |
Methods and apparatus are provided for key pairing between peer D2D UEs in different eNBs or D2D areas. A method may comprise: receiving at a first access network node serving a first D2D area from a first user equipment in the first D2D area, a request for keys for a D2D communication between the first user equipment and a second user equipment, wherein the request comprises an identification of a second D2D area where the second user equipment is located and being different from the first D2D area; identifying a second access network node serving the second D2D area based on the identification; sending to the second access network node, a request for a security context of the second user equipment; and receiving from the second access network node the security context for obtaining the keys for the D2D communication. |
