Methods and apparatus are described for enabling downlink transparent relay in a wireless communication network. Next, the LBIST stabilizes an untimed logic path by inputting the captured pseudo-random value into the untimed logic path. The candidate firmware version having received the greatest number of votes is identified, and the computer system is initialized as a federated system of the nodes that support the firmware version identified as having received the greatest number of votes. The beam splitter causes interference between measurement light reflected by the object and reference light reflected by the movable mirror, and the resultant interference light propagates to a light detection section. The scarf of the present invention preferably has a three dimensional, hyperbolic shape that takes and holds certain architectural shapes when wrapped in different ways around the wearer.