1. Trailing cable winch comprising:
an axially stationary, rotating winding arm which is disposed on a carrier tube and driven by a motor arranged in the carrier tube which is capable of depositing a trailing cable on an axially reversibly movable cable drum which is disposed on the carrier tube;
wherein the rotation of the winding arm is synchronized with a movement of the cable drum such that, during a linear movement of the cable drum, a linear advance per rotation of the winding arm corresponds substantially to a diameter of the trailing cable, and in an end position of the cable drum, two trailing cable layers are deposited above one another;
wherein in the carrier tube, a multistage planet wheel transmission is arranged which is driven by a motor shaft of the motor and includes a secondary stage which drives a hollow cylinder situated in the carrier tube, a cylinder jacket of the hollow cylinder having a V-curve into which a driving pin, is connected with the cable drum, engages and, when the hollow cylinder is rotated, causes an advancing of the cable drum, the driving pin being guided in an axial oblong hole in the carrier tube.
2. Trailing cable winch according to claim 1, wherein the primary stage of the multistage planet wheel transmission is capable of causing a stepping down of the rotating winding arm, and the secondary stage of the planet wheel transmission is capable of causing a stepping down of the hollow cylinder having the V-curve.
3. Trailing cable winch according to claim 2, wherein the primary stage of the multistage planet wheel transmission is exchangeable for a primary stage having a different reduction.
4. Trailing cable winch according to claim 1, wherein the closed V-curve situated in the hollow cylinder is shaped to form the legs of an equilateral triangle in a developed view of the hollow cylinder.
5. Trailing cable winch according to claim 1, wherein, when the driving motor is not activated, the trailing cable winch is automatically locked by way of a locking brake, for a no-back securing.
6. A trailing cable winch comprising:
an axially stationary, rotating winding arm disposed on a carrier tube;
a motor comprising a motor shaft arranged in the carrier tube and operatively arranged to drive the winding arm;
a movable cable drum disposed on the carrier tube and operably arranged with the winding arm to be axially movable for depositing a trailing cable onto the cable drum;
a multistage planet wheel transmission driven by the motor shaft arranged in the carrier tube, the multistage planet wheel transmission comprising a secondary stage operably arranged to drive a hollow cylinder situated in the carrier tube; and
a cylinder jacket of the hollow cylinder comprising a V-curve into which a driving pin of the cable drum is engaged such that when the hollow cylinder is rotated, the cable drum is axially moved by the driving pin being guided through an axial oblong hole in the carrier tube;
wherein a rotation of the winding arm is synchronized with the axial movement of the cable drum such that the cable drum advances an axial distance per rotation of the winding arm which corresponds substantially to a diameter of the trailing cable such that two cable layers are deposited above one another between end positions of the cable drum.
7. Trailing cable winch according to claim 6, wherein a primary stage of the multistage planet wheel transmission is operably arranged to cause a stepping down of the rotating winding arm, and the secondary stage of the planet wheel transmission is operably arranged to cause a stepping down of the hollow cylinder comprising the V-curve.
8. Trailing cable winch according to claim 7, wherein the primary stage of the multistage planet wheel transmission is exchangeable for a primary stage having a different reduction.
9. Trailing cable winch according to claim 6 wherein the closed V-curve situated in the hollow cylinder is shaped to form the legs of an equilateral triangle in a developed view of the hollow cylinder.
10. Trailing cable winch according to claim 6, wherein when the driving motor is not activated, the trailing cable winch is automatically locked by way of a locking brake, for a no-back securing.
11. A method of depositing a trailing cable on a trailing cable winch, the trailing cable winch comprising an axially stationary, rotating winding arm disposed on a carrier tube, a motor comprising a motor shaft arranged in the carrier tube and operatively arranged to drive the winding arm, and a movable cable drum disposed on the carrier tube and operably arranged with the winding arm to be axially movable, the method comprising the acts of:
synchronizing the rotation of the winding arm with the axial movement of the cable drum such that the cable drum advances an axial distance per rotation of the winding arm which corresponds substantially to a diameter of the trailing cable; and
depositing two layers of trailing cable above one another between end positions of the cable drum.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Radio access station, having access to m sets of physical channels, m being an integer larger than 1, the radio access station comprising:
antenna output for connection to n antennas, n being an integer larger than 1; and
a virtual network controller, comprising a channel translator, mutually associating channels used for communication with a radio access station controller with physical channels of the sets of physical channels used by the n antennas;
the virtual network controller being arranged to control handover operations between a first set of physical channels of the m sets of physical channels and a second set of physical channels of the m sets of physical channels.
2. Radio access station according to claim 1, wherein:
the virtual network controller being arranged to provide control signals associated with a first virtual radio access station on the first set of physical channels intended for a first antenna of the n antennas; and
the virtual network controller being arranged to provide control signals associated with a second virtual radio access station, different from the first virtual radio access station, on the second set of physical channels intended for a second antenna of the n antennas.
3. Radio access station according to claim 1, wherein the virtual network controller is arranged to terminate information associated with the separate virtual radio access stations, and to communicate only the information associated with the radio access station as a whole to the radio access station controller, whereby a connected mobile terminal experiences the n antennas as antennas of separate cells, while the radio access station controller experiences the n antennas as antennas of one single cell.
4. Radio access station according to claim 1, wherein the virtual network controller further comprises means for position estimation based on neighbor lists.
5. Radio access station according to claim 4, wherein the virtual network controller further comprises means for modifying neighbor lists of connected mobile terminals for forwarding to the radio access station controller.
6. Radio access station according to claim 1, wherein the antenna output is an output of a common antenna cable.
7. Radio access station according to claim 1, wherein the virtual network controller comprises a broadcast control signal injector.
8. Radio access station according to claim 1, wherein at least one of the n antennas is connected by a separate antenna cable.
9. Radio access station according to claim 1, wherein the radio access station is selected from the list of:
base station;
access point; and
node B.
10. Radio access station according to claim 1, wherein the radio access station operates according to GSM, whereby the sets of physical channels are frequency carriers and the physical channels are time slots.
11. Radio access station according to claim 1, wherein the radio access station operates according to CDMA or WCDMA, whereby the sets of physical channels are characterized by scrambling codes and the physical channels are characterized by channelisation codes.
12. Radio access station according to claim 1, further comprising means for restricting use of mobile terminals in areas covered by the radio access station.
13. Radio access station according to claim 12, wherein the means for restricting use comprises notification means, sending a notification to a mobile terminal when entering into an area of restricted use.
14. Radio access station according to claim 12, wherein the means for restricting use comprises disconnecting means, disconnecting communications to a mobile terminal being in an area of restricted use.
15. Radio access station according to claim 12, wherein the means for restricting use comprises authorization means, requesting an authorization verification from a mobile terminal being in or entering an area of restricted use.
16. Radio access network, comprising:
radio access station controller;
radio access station, having access to m sets of physical channels, m being an integer larger than 1; and
n antennas connected to the radio access station, n being an integer larger than 1;
the radio access station comprising a virtual network controller, in turn comprising a channel translator, mutually associating channels used for communication with the radio access station controller with physical channels of the sets of physical channels used by the n antennas;
the virtual network controller being arranged to control handover operations between a first set of physical channels of the m sets of physical channels and a second set of physical channels of the m sets of physical channels.
17. Radio access network according to claim 16, wherein:
the virtual network controller being arranged to provide control signals associated with a first virtual radio access station on the first set of physical channels intended for a first antenna of the n antennas; and
the virtual network controller being arranged to provide control signals associated with a second virtual radio access station, different from the first virtual radio access station, on the second set of physical channels intended for a second antenna of the n antennas.
18. Radio access network according to claim 16, wherein the virtual network controller being arranged to terminate information associated with the separate virtual radio access stations, and to communicate only the information associated with the radio access station as a whole to the radio access station controller, whereby a connected mobile terminal experiences the n antennas as antennas of separate cells, while the radio access station controller experiences the n antennas as antennas of one single cell.
19. Radio access network according to claim 16, wherein the virtual network controller further comprises means for position estimation based on neighbor lists.
20. Radio access network according to claim 19, wherein the virtual network controller further comprises means for modifying neighbor lists of connected mobile terminals for forwarding to the radio access station controller.
21. Radio access network according to claim 16, wherein the n antennas are connected by a common antenna cable.
22. Radio access network according to claims 16, further comprising signal selectors at each of the n antennas and in that the virtual network controller comprises a broadcast control signal injector.
23. Radio access network according to claim 16, wherein at least one of the n antennas is connected by a separate antenna cable.
24. Radio access network according to claim 16, wherein the radio access station is selected from the list of:
base station;
access point; and
node B.
25. Radio access network according to claim 16, wherein the radio access station controller is selected from the list of:
base station controller; and
radio network controller.
26. Radio access network according to claim 16, wherein the radio access network operates according to GSM, whereby the sets of physical channels are frequency carriers and the physical channels are time slots.
27. Radio access network according to claim 16, wherein the radio access network operates according to CDMA or WCDMA, whereby the sets of physical channels are characterized by scrambling codes and the physical channels are characterized by channelisation codes.
28. Method for managing a part of a mobile communications network, comprising the step of:
performing, in a radio access station, a handover of a communication between sets of physical channels of two antennas controlled by the radio access station.
29. Method according to claim 28, wherein the handover is performed transparently with respect to a radio access station controller controlling the radio access station.
30. Method according to claim 28, comprising the further steps of:
providing control signals associated with a first virtual radio access station on a first set of physical channels intended for a first antenna; and
providing control signals associated with a second virtual radio access station, different from the first virtual radio access station, on a second set of physical channels intended for a second antenna.
31. Method according to claim 28, comprising the further step of:
adaptively associating physical channels of virtual radio access stations with communication channels of use between the radio access station and the radio access station controller.
32. Method according to claim 28, comprising the further step of:
estimating, in the radio access station, a position of a mobile terminal connected to a virtual radio access station.
33. Method according to claim 32, wherein the step of estimating is based on a content of a neighbor list.
34. Method according to claim 32, comprising the further step of:
restricting use of a mobile terminal in areas covered by the radio access station.
35. Method according to claim 34, wherein the step of restricting use comprises the step of notifying a mobile terminal when entering into an area of restricted use.
36. Method according to claim 34, wherein the step of restricting use comprises the step of disconnecting communications to a mobile terminal being in an area of restricted use.
37. Method according to claim 34, wherein the step of restricting use comprises the step of requesting an authorization verification from a mobile terminal being in or entering an area of restricted use.