Abstract: In accordance with example embodiments of the invention there is at least a method and apparatus to perform determining, by a network node, context information of a group of more than one user equipment, wherein the context information is based on at least service related information associated with the more than one user equipment; sending information comprising the context information towards at least one base station of a communication network; and based on the context information, negotiating with the at least one base station timing synchronization requirements for distribution to each user equipment of the group.