1. A method for performing a handover by a base station in a source radio access network, the method comprising:
receiving, by the base station, a measurement report including measured signal quality, from a terminal;
determining, by the base station, a handover initiation to a target radio access network, based on the measured signal quality;
transmitting, by the base station, a handover request message to the target radio access network via a core network;
receiving, by the base station, radio channel allocation information that is required if the terminal accesses the target radio access network, from the target radio access network via the core network; and
transmitting, by the base station, the radio channel allocation information of the target radio access network, to the terminal,
wherein the handover between the source radio access network and the target radio access network comprises an inter radio access technology (RAT) handover.
2. The operating method of claim 1, further comprising:
transmitting, by the base station, a measurement configuration for measuring signal quality, to the terminal.
3. The operating method of claim 1, wherein the terminal comprises a dual-mode dual-band terminal which supports a first modem for the source radio access network and a second modem for the target radio access network.
4. A method for performing handover by a terminal in a source radio access network, the method comprising:
transmitting, by the terminal, a measurement report including a measured signal quality, to a base station;
receiving, by the terminal, radio channel allocation information that is required if the terminal accesses a target radio access network, from the base station; and
attempting, by the terminal, the handover from the source radio access network to the target radio access network using the radio channel allocation information of the target radio access network received from the base station of the source radio access network,
wherein the source radio access network receives the radio channel allocation information from the target radio access network and transmits the radio channel allocation information to the base station of the source radio access network, and
wherein the handover between the source radio access network and the target radio access network comprises an inter radio access technology (RAT) handover.
5. The operating method of claim 4, further comprising:
receiving, by the terminal, a measurement configuration for measuring signal quality, from a base station of the source radio access network.
6. The operating method of claim 4, further comprising:
transmitting, by the terminal, a handover complete report message, to a base station of the target radio access network.
7. The operating method of claim 4, wherein the terminal comprises a dual-mode dual-band terminal which supports a first modem for the source radio access network and a second modem for the target radio access network.
8. The operating method of claim 4,
wherein the transmitting of a measurement report including a measured signal quality and the receiving of the radio channel allocation information that is required if the terminal accesses the target radio access network, are performed based on a first modem for the source radio access network, and
wherein the attempting of the handover from the source radio access network to the target radio access network using the radio channel allocation information of the target radio access network received from the base station of the source radio access network, is performed based on a second modem for the target radio access network.
9. A base station for performing a handover in a source radio access network, the base station comprising:
a transceiver configured to transmit and receive a signal; and
a controller configured to:
receive, from a terminal, measurement report including measured signal quality,
determine a handover initiation to a target radio access network, based on the measured signal quality,
transmit a handover request message to the target radio access network via a core network,
receive radio channel allocation information that is required if the terminal accesses the target radio access network, from the target radio access network via the core network, and
transmit the radio channel allocation information of the target radio access network, to the terminal,
wherein the handover between the source radio access network and the target radio access network comprises an inter radio access technology (RAT) handover.
10. The base station of claim 9, wherein the controller is further configured to transmit a measurement configuration for measuring signal quality, to the terminal.
11. The base station of claim 9, wherein the terminal comprises a dual-mode dual-band terminal which supports a first modem for the source radio access network and a second modem for the target radio access network.
12. A terminal for performing a handover in a source radio access network, the terminal comprising:
a transceiver configured to transmit and receive a signal; and
a controller configured to:
transmit a measurement report including a measured signal quality to a base station,
receive radio channel allocation information that is required if the terminal accesses the target radio access network, from the base station, and
attempt the handover from a source radio access network to the target radio access network using the radio channel allocation information of the target radio access network received from the base station of the source radio access network,
wherein the source radio access network receives the radio channel allocation information from the target radio access network and transmits the radio channel allocation information to the base station of the source radio access network, and
wherein the handover between the source radio access network and the target radio access network comprises an inter radio access technology (RAT) handover.
13. The terminal of claim 12, wherein the controller is further configured to receive a measurement configuration for measuring signal quality from a base station of the source radio access network.
14. The terminal of claim 12, wherein the controller is further configured to transmit a handover complete report message, to a base station of the target radio access network.
15. The terminal of claim 12, wherein the terminal comprises a dual-mode dual-band terminal which supports a first modem for the source radio access network and a second modem for the target radio access network.
16. The terminal of claim 12,
wherein the transmitter is further configured to:
transmittransmit the message reporting of the signal level of the downlink, and
receivreceive the radio channel allocation information that is required if the terminal accesses the target radio access network, based on a first modem for the source radio access network, and
wherein the controller is further configured to attempt the handover from the source radio access network to the target radio access network using the radio channel allocation information of the target radio access network received from the base station of the source radio access network, based on a second modem for the target radio access network.
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 system for impact simulator testing in the footwell region of a vehicle to enable more accurate lower leg injury criteria measurements by generating footwell intrusion, comprising:
a sled buck;
a footrest plane located on the sled buck;
a pivot hinge located at the base of the footrest plane and upon which the footrest plane pivots;
a slide plane allowing horizontal motion on the floor of the sled buck;
a compressed fluid tank;
a first timer-released solenoid valve fluidly coupled to the compressed fluid tank;
a second timer-released solenoid valve fluidly coupled to the compressed fluid tank;
a first piston-cylinder fluidly coupled to the first timer-released solenoid valve;
a second piston-cylinder fluidly coupled to the second timer-released solenoid valve;
a translational force block, upon which, when actuated, the second piston-cylinder places a horizontal force, and with which the translational force block is moved horizontally into the footrest plane;
wherein a rotational motion is generated by a fluid flow from the compressed fluid tank to the first piston-cylinder, being actuated by the first timer-released solenoid valve and moving horizontally into the footrest plane, thereby creating the rotational motion to the footrest plane; and
wherein a translational motion is generated by a fluid flow from the compressed fluid tank to the second piston-cylinder, being actuated by the second timer-released solenoid valve and creating the translational motion by moving the translational force block horizontally along the slide plane to the footrest plant.
2. The system for impact simulator testing of claim 1,
wherein the system is coupled to a hydraulically controlled, gas energized (HYGE) impact simulator sled test.
3. The system for impact simulator testing of claim 1, further comprising:
an anthropomorphic test device;
wherein the anthropomorphic test device is used to measure lower extremity accelerations, forces, and moments during the vehicle crash impact test.
4. The system for impact simulator testing of claim 1, further comprising:
one or more steps, wherein the one or more stops control the magnitude of the motion simulating footwell intrusion;
wherein the magnitude of the rotational motion applied to the footrest plane is stopped at a predetermined level, and
wherein the magnitude of the translational motion applied to the footrest plane is stopped at a predetermined level.
5. The system for impact simulator testing of claim 1,
wherein the compressed fluid tank is pressure adjusted such that a pressure level in the compressed fluid tank is adjusted to mimic the rate of footwell intrusion during an actual barrier crash.
6. The system for impact simulator testing of claim 1,
wherein the first and second timer-released solenoid valves each are actuated at a unique undetermined time, to better mimic actual footwell intrusion.
7. The system for impact simulator testing of claim 1,
wherein the first timer-released solenoid valve is further comprised of a first orifice, and the first orifice is adjustable, controlling the rate of mass transfer from the compressed fluid tank to the first piston-cylinder; and
wherein the second timer-released solenoid valve is further comprised of a second orifice, and the second orifice is adjustable, controlling the rate of mass transfer from the compressed fluid tank to the second piston-cylinder.
8. A method for impact simulator testing in the footwell region of a vehicle to enable more accurate lower leg injury criteria measurements by generating footwell intrusion, comprising:
providing a sled buck;
providing a footrest plane, located on the sled buck;
providing a pivot hinge, located at the base of the footrest plane and upon which the footrest plant pivots;
providing a slide plane, allowing horizontal motion on the sled buck;
providing a compressed fluid tank;
providing a first timer-released solenoid valve fluidly coupled to the compressed fluid tank;
providing a second timer-released solenoid valve fluidly coupled to the compressed fluid tank;
providing a first piston-cylinder fluidly coupled to the first timer-released solenoid valve;
providing a second piston-cylinder fluidly coupled to the second timer-released solenoid valve;
providing a translational force block, upon which, when actuated, the second piston-cylinder places a horizontal force, and with which the translational force block thereby is moved horizontally into the footrest plane;
wherein a rotational motion is generated by a fluid flow from the compressed fluid tank to the first piston-cylinder, being actuated by the first timer-released solenoid valve and moving horizontally into the footrest plane, thereby creating the rotational motion to the footrest plane; and
wherein a translational motion is generated by a fluid flow from the compressed fluid tank to the second piston-cylinder, being actuated by the second timer-released solenoid valve and creating the translational motion by moving the translational force block horizontally along the slide plane to the footrest plane.
9. The method for impact simulator testing of claim 8,
wherein the method for impact simulator testing in the footwell region is implemented in a hydraulically controlled, gas energized (HYGE) impact simulator sled test.
10. The method for impact simulator testing of claim 8, further comprising:
providing an anthropomorphic test device; and
wherein the anthropomorphic test device is used to measure lower extremity accelerations, forces, and moments during the vehicle crash impact test.
11. The method for impact simulator testing of claim 8, further comprising:
providing one or more stops, wherein the one or more stops controls the magnitude of the motion simulating footwell intrusion;
wherein the magnitude of the rotational motion applied to the footrest plane is stopped at a predetermined level, and
wherein the magnitude of the translational motion applied to the footrest plane is stopped at a predetermined level.
12. The method for impact simulator testing of claim 8,
wherein the compressed fluid tank is pressure adjusted such that a pressure level in the compressed fluid tank is adjusted to mimic the rate of footwell intrusion during an actual barrier crash.
13. The method for impact simulator testing of claim 8,
wherein the first and second timer-released solenoid valves each are actuated at a unique predetermined time, to better mimic actual footwell intrusion.
14. The method for impact simulator testing of claim 8,
wherein the first timer-released solenoid valve is further comprised of a first orifice, and the first orifice is adjustable, controlling the rate of mass transfer from the compressed fluid tank to the first piston-cylinder; and
wherein the second timer-released solenoid valve is further comprised of a second orifice, and the second orifice is adjustable, controlling the rate of mass transfer from the compressed fluid tank to the second piston-cylinder.
15. A method for impact simulator testing in the footwell region of a vehicle to enable more accurate lower leg injury criteria measurements by generating footwell intrusion, comprising:
providing a first actuation apparatus, wherein the first actuation apparatus selectively imparts a rotational motion; and
providing a second actuation apparatus, wherein the second actuation apparatus selectively imparts a translation motion;
wherein the rotational motion and the translational motion generate footwell intrusion in the footwell region of the vehicle.