Abstract: A base station (101) supports a remote station (117) making uplink transmissions using an uplink scrambling code in a first cell. A controller (119) determines a set of uplink scrambling codes from an identity of the remote station (117) and selects the used code therefrom. An access point (111) determines the group of remote stations registered at the access point. A measurement code processor (205) determines the uplink scrambling codes potentially used by the remote stations. A measurement unit (207, 209) then monitors for received signals using these codes and a handover detection processor (211) generates a potential handover detection for the remote station (117) in response to a detection of a received signal using the uplink scrambling code of the remote station (117).

Abstract: A base station (101) supports a remote station (117) making uplink transmissions using an uplink scrambling code in a first cell. A controller (119) determines a set of uplink scrambling codes from an identity of the remote station (117) and selects the used code therefrom. An access point (111) determines the group of remote stations registered at the access point. A measurement code processor (205) determines the uplink scrambling codes potentially used by the remote stations. A measurement unit (207, 209) then monitors for received signals using these codes and a handover detection processor (211) generates a potential handover detection for the remote station (117) in response to a detection of a received signal using the uplink scrambling code of the remote station (117).

Abstract: An apparatus is provided for switching data between input and output lines. The input and output lines are coupled to a number of line termination boards which are interconnected by a network. The line termination boards comprise a data block processor which for each switch interval combines data from the input connections (such as time slots) associated with output lines of another line termination board and an interface for transmitting the combined data to these over the network. A mapping processor generates mapping data that maps data of the combined data to the output connections. The mapping data is transmitted to the receiving line termination board which comprises a de-mapping processor which allocates data of the combined data to the appropriate output connections in response to the mapping data.

Abstract: A snowplow attachment for mounting to the front end of a vehicle that includes both a push blade operable during forward movement of vehicle and a pull blade operable during reverse movement of the vehicle. The pull blade drops down in front of the push blade such that pushed snow can then be pulled back. The snowplow can get up close to permanent structures such as buildings and remove snow therefrom. During the push mode, the pull blade is raised to avoid interference with pushed snow. The snowplow can include side plates located on the ends of the blades for containing the snow and prevent snow from escaping out the sides, thereby increasing the volume of snow moved by the plow during one sweep. According to one embodiment, the snowplow includes a push blade assembly that is adapted to mount directly on the vehicle and a movable pull blade carried by the push blade assembly.

Abstract: A rock raking apparatus which is adapted to be attached to a self-propelled vehicle and includes a rock raking unit with a toothed rotor and a rock collector bucket pivotably connected to the raking unit. The rotor is driven to propel rocks into the bucket. The raking unit includes a power-rotated brush positioned to deflect the propelled rocks into the rear of the bucket, to clean the surface of the rotor to prevent carryover and to prevent the formation of rock barricades at the entrance of the bucket to assure that the bucket is filled. The rotor is based on a cylindrical drum having a pattern of symmetrical radially extending teeth affixed to the peripheral surface thereof, with the pattern also being symmetrical so that the drum is reversible end for end when the leading edges of the teeth are worn. Double pivot mounts allow limited floating of the raking unit with respect to the bucket to accommodate uneven ground.

Abstract: The apparatus is adapted to be attached to a self-propelled vehicle and includes a rock raking unit with a toothed rotor and a rock collector bucket connected to one end of the raking unit by double articulated pivot bars to swing between open and closed positions relative to the raking unit. Rocks are raked into the bucket during rotation of the rotor in one direction and, by reversing the rotor when the apparatus is raised to a dump position, the raking unit may be pivoted to an open position relative to the bucket. The apparatus includes an easy-to-fabricate rotor, a power-rotated brush for clearing rocks from the rotor, and a bucket with a perforated bottom.