Abstract: A communication device (100) includes a plurality of receiver fingers (112, 114, 116) for receiving a spread spectrum communication signal. Each receiver finger includes a received signal strength indication (RSSI) circuit (130). The RSSI circuit (130) includes a filter (135) for filtering a pilot sample signal and producing a filtered signal. A comparator (144) producing a lock indication when the filtered signal exceeds lock threshold. A combiner (118) combines the traffic signal from each receiver finger in response to the lock indication from each finger. The unlock threshold for the finger is reduced to a level above the noise floor of the receiver finger, to reduce the likelihood of a finger unlocking during a fade. Also traffic symbols are immediately combined after a finger assignment using a weighted channel estimate to permit assigning a finger as locked.

Abstract: A trailer device for engaging and towing vehicles has, a rigid, longitudinal first frame having front and rear ends and extending substantially horizontally between them, the front end providing attachment to a fifth-wheel type truck tractor for hauling. A vehicle support surface is mounted substantially horizontally on the first frame, having right and left longitudinal portions, each formed of a plurality of segments along its length, at least one segment of each such longitudinal portion of the vehicle support surface being transversely divided into a plurality of subsegments, at least one subsegment of each transversely divided segment being movable. Pneumatic cylinders can move a subsegment of each transversely divided segment of each right and left longitudinal portion of the vehicle support surface. A jacking mechanism is mounted beneath the front end of the rigid longitudinal first frame. Wheels support the rear end of the rigid longitudinal first frame.