A method for wireless communication at a first wireless node, the method comprising: identifying a set of other wireless nodes that are associated with the first wireless node, the set comprising at least a second wireless node; initiating a listen-before-talk, LBT, procedure for a shared radio frequency spectrum band; characterised in that the method further comprises: detecting a synchronization beacon signal transmitted by the second wireless node using the shared radio frequency spectrum band after a successful LBT procedure of the second wireless node, the synchronization beacon signal indicating one or more timing parameters for a primary transmission of an LBT frame of the second wireless node; discontinuing the LBT procedure based at least in part on the detecting of the synchronization beacon signal of the LBT frame of the second wireless node; verifying that coexistence rules are complied with for fairness in coexistence with other users of the shared radio frequency spectrum band; and transmitting , after the verification of the compliance of the coexistence rules, a coexistence rule compliant auxiliary transmission of an LBT frame of the first wireless node using the shared radio frequency spectrum band concurrently with the primary transmission of the LBT frame of the second wireless node. identifying a set of other wireless nodes that are associated with the first wireless node, the set comprising at least a second wireless node; initiating a listen-before-talk, LBT, procedure for a shared radio frequency spectrum band; characterised in that the method further comprises: detecting a synchronization beacon signal transmitted by the second wireless node using the shared radio frequency spectrum band after a successful LBT procedure of the second wireless node, the synchronization beacon signal indicating one or more timing parameters for a primary transmission of an LBT frame of the second wireless node; discontinuing the LBT procedure based at least in part on the detecting of the synchronization beacon signal of the LBT frame of the second wireless node; verifying that coexistence rules are complied with for fairness in coexistence with other users of the shared radio frequency spectrum band; and transmitting , after the verification of the compliance of the coexistence rules, a coexistence rule compliant auxiliary transmission of an LBT frame of the first wireless node using the shared radio frequency spectrum band concurrently with the primary transmission of the LBT frame of the second wireless node. detecting a synchronization beacon signal transmitted by the second wireless node using the shared radio frequency spectrum band after a successful LBT procedure of the second wireless node, the synchronization beacon signal indicating one or more timing parameters for a primary transmission of an LBT frame of the second wireless node; discontinuing the LBT procedure based at least in part on the detecting of the synchronization beacon signal of the LBT frame of the second wireless node; verifying that coexistence rules are complied with for fairness in coexistence with other users of the shared radio frequency spectrum band; and transmitting , after the verification of the compliance of the coexistence rules, a coexistence rule compliant auxiliary transmission of an LBT frame of the first wireless node using the shared radio frequency spectrum band concurrently with the primary transmission of the LBT frame of the second wireless node. <EOS>