A first network node for a wireless communication system, the first network node being configured to operate in a first Radio Access Technique, RAT, and the first network node comprising: • a processor configured to: ∘ receive a radio resource request,RRR, for a reference signal,RS, to be transmitted by a user device, ∘ determine that the user device is served by a second network node configured to operate in a second RAT ∘ allocate a radio resource for the reference signal, RS; • a transceiver configured to: ∘ transmit a first control signal,CS1, to the user device, the first control signal,CS1, indicating the allocated radio resource, ∘ receive a reference signal, RS, via the allocated radio resource from the user device, • wherein the processor is configured to measure the reference signal, RS, • wherein in a first alternative the first network node further comprises: ∘ the processor configured to make a first connection handling decision for the user device based on the measurement of the reference signal, RS, ∘ the transceiver configured to transmit a second control signal,CS2, to the second network node, the second control signal,CS2, indicating the first connection handling decision, and ∘ the processor configured to execute connection handling for the user device according to the first connection handling decision, • wherein in a second alternative instead of the first alternative, the first network node comprises: ∘ the transceiver configured to forward the measurement of the reference signal, RS, to the second network node, ∘ wherein the transceiver is configured to receive a third control signal, CS3, from the second network node, the third control signal indicating a second connection handling decision for the user device, and ∘ the processor configured to execute connection handling for the user device according to the second connection handling decision. • a processor configured to: ∘ receive a radio resource request,RRR, for a reference signal,RS, to be transmitted by a user device, ∘ determine that the user device is served by a second network node configured to operate in a second RAT ∘ allocate a radio resource for the reference signal, RS; ∘ receive a radio resource request,RRR, for a reference signal,RS, to be transmitted by a user device, ∘ determine that the user device is served by a second network node configured to operate in a second RAT ∘ allocate a radio resource for the reference signal, RS; • a transceiver configured to: ∘ transmit a first control signal,CS1, to the user device, the first control signal,CS1, indicating the allocated radio resource, ∘ receive a reference signal, RS, via the allocated radio resource from the user device, ∘ transmit a first control signal,CS1, to the user device, the first control signal,CS1, indicating the allocated radio resource, ∘ receive a reference signal, RS, via the allocated radio resource from the user device, • wherein the processor is configured to measure the reference signal, RS, • wherein in a first alternative the first network node further comprises: ∘ the processor configured to make a first connection handling decision for the user device based on the measurement of the reference signal, RS, ∘ the transceiver configured to transmit a second control signal,CS2, to the second network node, the second control signal,CS2, indicating the first connection handling decision, and ∘ the processor configured to execute connection handling for the user device according to the first connection handling decision, ∘ the processor configured to make a first connection handling decision for the user device based on the measurement of the reference signal, RS, ∘ the transceiver configured to transmit a second control signal,CS2, to the second network node, the second control signal,CS2, indicating the first connection handling decision, and ∘ the processor configured to execute connection handling for the user device according to the first connection handling decision, • wherein in a second alternative instead of the first alternative, the first network node comprises: ∘ the transceiver configured to forward the measurement of the reference signal, RS, to the second network node, ∘ wherein the transceiver is configured to receive a third control signal, CS3, from the second network node, the third control signal indicating a second connection handling decision for the user device, and ∘ the processor configured to execute connection handling for the user device according to the second connection handling decision. ∘ the transceiver configured to forward the measurement of the reference signal, RS, to the second network node, ∘ wherein the transceiver is configured to receive a third control signal, CS3, from the second network node, the third control signal indicating a second connection handling decision for the user device, and ∘ the processor configured to execute connection handling for the user device according to the second connection handling decision.