Impact of regulations on feasible distance between 60 GHz devices

In this paper we address the impact of the current world-wide safety and interference regulations with respect to the 60 GHz band on the feasible distance between a transmitting and a receiving device assuming a beam-forming array antenna at both ends of the link. From these considerations it occurs that these regulations impose severe constraints in terms of allowable antenna gain at the transmitter as well as allowable levels of transmit power in case of non-line-of-sight operation. Therefore, these regulatory constraints necessitate an additional amount of beam-focusing at the receiving end. The feasible separation distance is determined assuming a balanced distribution of antenna gain between transmit antenna and receive antenna and technically well-feasible levels of transmit power. Furthermore, the propagation conditions that typically occur in the 60 GHz band are taken into account as well as the relevant user and system requirements as formulated in current design and standardization documents.