1. A folding top assembly for a vehicle, the folding top assembly comprising:
a roof system having a main link for rotatably coupling a roof to the vehicle body, the main link having a first end for coupling to the roof and a second end for rotatably coupling to the vehicle body such that the main link is rotatable to move the roof between a closed position in which the roof covers the vehicle interior and an opened position in which the roof exposes the vehicle interior, wherein the second end of the main link includes a main link extension; and
a transmission system having a tilting lever and a drive lever, the tilting lever having first and second arms extending out from a center apex, the drive lever having first and second ends;
wherein the first tilting lever arm is coupled to an actuator via a rotary joint, the second tilting lever arm and the first end of the drive lever are rotatably coupled to one another via a rotary joint, the second end of the drive lever and the main link extension are rotatably coupled to one another via a rotary joint, and the center apex of the tilting lever is rotatable about a pivot point such that the tilting lever, the drive lever, and the main link rotate upon the first tilting lever arm being actuated by the actuator to thereby move the roof between the closed and opened positions;
wherein the tilting lever and the drive lever are in a first extension position in relation to one another when the roof is in the closed position such that unintentional movement of the roof into the opened position is prevented;
wherein the tilting lever and the drive lever are in a second extension position in relation to one another when the roof is in the opened position such that unintentional movement of the roof into the closed position is prevented.
2. The folding top assembly of claim 1 wherein:
the transmission system further includes a supporting lever having first and second ends, the first end of the supporting lever and the second end of the main link being rotatably coupled to one another via a rotary joint, the second end of the supporting lever and the center apex of the tilting lever being rotatably coupled to one another via a rotary joint.
3. The folding top assembly of claim 2 wherein:
the rotary joint between the supporting lever and the center apex of the tilting lever is situated between the rotary joints of the first and second tilting lever arms.
4. The folding top assembly of claim 2 wherein:
the second end of the main link further includes a second extension;
wherein the rotary joint between the supporting lever and the second end of the main link is arranged on the second main link extension at a distance from the axis of rotation of the second end of the main link.
5. The folding top assembly of claim 2 wherein:
during displacement of the roof between the opened and closed positions, an effective line connecting the rotary joints of the supporting lever intersects the axis of rotation of the second end of the main link.
6. The folding top assembly of claim 2 wherein:
the rotary joint between the supporting lever and the second end of the main link coincides with the axis of rotation of the second end of the main link.
7. The folding top assembly of claim 1 wherein:
in the closed position of the roof, the actuator is fully extended to lock the transmission system in place to prevent unintentional movement of the roof;
wherein in the opened position of the roof, the actuator is fully retracted to lock the transmission system in place to prevent unintentional movement of the roof.
8. A folding top assembly for a vehicle, the folding top assembly comprising:
an actuator;
a roof system having a main link for rotatably coupling a roof to the vehicle body, the main link having a first end for coupling to the roof and a second end for rotatably coupling to the vehicle body such that the main link is rotatable to move the roof between a closed position in which the roof covers the vehicle interior and an opened position in which the roof exposes the vehicle interior, wherein the second end of the main link includes a main link extension; and
a transmission system having a tilting lever and a drive lever, the tilting lever having first and second arms extending out from a center apex, the drive lever having first and second ends;
wherein the first tilting lever arm is coupled to the actuator via a rotary joint, the second tilting lever arm and the first end of the drive lever are rotatably coupled to one another via a rotary joint, the second end of the drive lever and the main link extension are rotatably coupled to one another via a rotary joint, and the center apex of the tilting lever is rotatable about a pivot point such that the tilting lever tilts, the drive lever rotates, and the main link rotates upon the first tilting lever arm being actuated by the actuator to thereby move the roof between the closed and opened positions;
wherein the tilting lever and the drive lever are in a first extension position in relation to one another when the roof is in the closed position such that unintentional movement of the roof into the opened position is prevented;
wherein the tilting lever and the drive lever are in a second extension position in relation to one another when the roof is in the opened position such that unintentional movement of the roof into the closed position is prevented.
9. The folding top assembly of claim 8 wherein:
longitudinal axes of the drive lever and the second tilting lever arm enclose an acute angle in the opened position.
10. The folding top assembly of claim 8 wherein:
the transmission system further includes a supporting lever having first and second ends, the first end of the supporting lever and the second end of the main link being rotatably coupled to one another via a rotary joint, the second end of the supporting lever and the center apex of the tilting lever being rotatably coupled to one another via a rotary joint.
11. The folding top assembly of claim 10 wherein:
the rotary joint between the supporting lever and the center apex of the tilting lever is situated between the rotary joints of the first and second tilting lever arms.
12. The folding top assembly of claim 10 wherein:
the second end of the main link further includes a second extension;
wherein the rotary joint between the supporting lever and the second end of the main link is arranged on the second main link extension at a distance from the axis of rotation of the second end of the main link.
13. The folding top assembly of claim 10 wherein:
during displacement of the roof between the opened and closed positions, an effective line connecting the rotary joints of the supporting lever intersects the axis of rotation of the second end of the main link.
14. The folding top assembly of claim 10 wherein:
the rotary joint between the supporting lever and the second end of the main link coincides with the axis of rotation of the second end of the main link.
15. The folding top assembly of claim 8 wherein:
in the closed position of the roof, the actuator is fully extended to lock the transmission system in place to prevent unintentional movement of the roof.
16. The folding top assembly of claim 8 wherein:
in the opened position of the roof, the actuator is fully retracted to lock the transmission system in place to prevent unintentional movement of the roof.
17. The folding top assembly of claim 8 wherein:
the transmission system further includes a guide link having first and second ends, wherein the first end of the guide link is rotatably coupled to a rotary joint and the second end of the guide link and the first tilting lever arm are rotatably coupled to one another.
18. The folding top assembly of claim 8 wherein:
the roof system is a four-bar kinematic system.
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. A method for performing power control by a home base station in a wireless communication system, the method comprising:
acquiring a parameter value related with signal strength of a macro base station;
determining an upper power limit of the home base station in consideration of the signal strength of the macro base station; and
performing signal transmission in consideration of the upper power limit of the home base station,
wherein if a first input condition(s) including that the parameter value is equal to or more than a first threshold value is satisfied, the upper power limit of the home base station is given as an intermediate value among a minimum power value, a maximum power value, and a power control value proportional to the signal strength of the macro base station, and
wherein if a second input condition(s) including that the parameter value is less than the first threshold value is satisfied, the upper power limit of the home base station is given as a pre-determined value.
2. The method of claim 1, wherein the acquiring the parameter value includes receiving a measurement report on signals of the macro base station from a user equipment.
3. The method of claim 1, wherein the acquiring the parameter value includes measuring signals of the macro base station at the home base station.
4. The method of claim 1, wherein the power control value (P\u2032) is given by following Equation:
P\u2032=\u03b1\xd7P\u2014M+\u03b2
where, P _M represents a parameter value related with the signal strength of the macro base station,
\u03b1 represents a positive value, and
\u03b2 represents a correction value for power control.
5. The method of claim 1, wherein if a value indicating uplink signal strength of a macro user equipment is equal to or more than a second threshold value, the power control value is decreased in consideration the uplink signal strength, and
wherein if the value indicating the uplink signal strength of the macro user equipment is less than the second threshold value, the power control value is maintained as it is.
6. The method of claim 1, wherein if a value indicating uplink signal strength of a macro user equipment is equal to or more than a second threshold value, the maximum power value is decreased in consideration of the uplink signal strength, and
wherein if the value indicating the uplink signal strength of the macro user equipment is less than the second threshold value, the maximum power value is maintained as it is.
7. A home base station configured to perform power control in a wireless communication system, the home base station comprising:
a radio frequency (RF) unit; and
a processor,
wherein the processor is configured to acquire a parameter value related with signal strength of a macro base station,
to determine an upper power limit of the home base station in consideration of the signal strength of the macro base station, and
to perform signal transmission in consideration of the upper power limit of the home base station,
wherein if a first input condition(s) including that the parameter value is equal to or more than a first threshold value is satisfied, the upper power limit of the home base station is given as an intermediate value among a minimum power value, a maximum power value, and a power control value proportional to the signal strength of the macro base station, and
wherein if a second input condition(s) including that the parameter value is less than the first threshold value is satisfied, the upper power limit of the home base station is given as a pre-determined value.
8. The home base station of claim 7, wherein the acquiring the parameter value includes receiving a measurement report on signals of the macro base station from a user equipment.
9. The home base station of claim 7, wherein the acquiring the parameter value includes measuring signals of the macro base station at the home base station.
10. The home base station of claim 7, wherein the power control value (P\u2032) is given by following Equation:
P\u2032=\u03b1\xd7P\u2014M+\u03b2
where, P_M represents a parameter value related with the signal strength of the macro base station,
\u03b1 represents a positive value, and
\u03b2 represents a correction value for power control.
11. The home base station of claim 7, wherein if a value indicating uplink signal strength of a macro user equipment is equal to or more than a second threshold value, the power control value is decreased in consideration of the uplink signal strength, and
wherein if the value indicating the uplink signal strength of the macro user equipment is less than the second threshold value, the power control value is maintained as it is.
12. The home base station of claim 7, wherein if a value indicating uplink signal strength of a macro user equipment is equal to or more than a second threshold value, the maximum power value is decreased in consideration of the uplink signal strength, and
wherein if the value indicating the uplink signal strength of the macro user equipment is less than the second threshold value, the maximum power value is maintained as it is.