1. A method for providing a roaming functionality related to an Internet Protocol Multimedia Subsystem (IMS) session, wherein a first User Equipment (UE) is associated to a Home Public Land Mobile Network (HPLMN) and wherein the first UE roams in a Visited Public Land Mobile Network (VPLMN), wherein the Home Public Land Mobile Network (HPLMN) comprises a first IMS domain, wherein the VPLMN comprises a second IMS domain, and wherein the VPLMN comprises a Roaming Border Control Function (RBCF), wherein a session set-up of an IMS session requires the handling of control signaling and the establishment of a user plane path, wherein a session set-up request originates from the roaming first UE towards a second UE, the second UE being attached to a target network, the method comprising the steps of:
transmitting, by the second IMS domain, a session set-up request control signaling to the first IMS domain;
transmitting, by the first IMS domain, the session set-up request control signaling in a forward direction to the RBCF of the VPLMN; and
handling, by the second IMS domain, the user plane path and the associated control signaling to terminate the session set-up;
wherein local break out of media is applied for the roaming first UE; and
wherein the RBCF of the VPLMN provides a linking of signaling received via a loop through the first IMS domain in the HPLMN with media anchored due to the local break out in the second IMS domain in the VPLMN.
2. The method according to claim 1, wherein the RBCF applies an offline charging functionality.
3. The method according to claim 1, wherein the RBCF applies number analysis and portability functionalities to support further session set-up.
4. A method for providing a roaming functionality related to an Internet Protocol Multimedia Subsystem (IMS) session, wherein a first User Equipment (UE) is associated to a Home Public Land Mobile Network (HPLMN) and wherein the first UE roams in a Visited Public Land Mobile Network (VPLMN), wherein the HPLMN comprises a first IMS domain, wherein the VPLMN comprises a second IMS domain, and wherein the VPLMN comprises a Roaming Border Control Function (RBCF), wherein a session set-up of an IMS session requires the handling of control signaling and the establishment of a user plane path, wherein a session set-up request terminates at the roaming first UE from a second UE, the second UE being attached to an originating network, the method comprises the steps of:
transmitting, by the first IMS domain, a session set-up request control signaling to the RBCF of the VPLMN to set-up of a media path to the VPLMN;
transmitting, by the RBCF of the VPLMN, the session set-up request control signaling to the first IMS domain; and
handling, by the second IMS domain, the user plane path and the associated control signaling to terminate the session set-up;
wherein local break out of media is applied for the roaming first UE; and
wherein the RBCF of the VPLMN provides a linking of the signaling received from the first IMS domain in the HPLMN with media sent to the second IMS domain, where media of the first UE is anchored due to local break out.
5. The method according to claim 4, wherein the RBCF receives a session set-up request by an Interconnect Border Gateway Function (IBGF), the session set-up request being routed via at least one transfer entity.
6. A Visited Public Land Mobile Network (VPLMN) for providing a roaming functionality related to an Internet Protocol Multimedia Subsystem (IMS) session, wherein a first User Equipment (UE) is associated to a Home Public Land Mobile Network (HPLMN) and wherein the first UE roams in the VPLMN, wherein the HPLMN comprises a first IMS domain, wherein a session set-up of an IMS session requires the handling of control signaling and the establishment of a user plane path, wherein a session set-up request originates from a roaming first UE towards a second UE, the second UE being attached to a target network, the VPLMN comprising:
a plurality of network entities;
a second IMS domain; and
a Roaming Border Control Function (RBCF) node;
wherein the plurality of network entities of the VPLMN are configured for:
transmission of a session set-up request control signaling from the second IMS domain to the first IMS domain; and
transmission of the session set-up request control signaling from the first IMS domain in a forward direction to the RBCF node of the second IMS domain;
wherein the second IMS domain is configured to handle the user plane path and the associated control signaling to terminate the session set-up;
wherein local break out of media is to be applied for the roaming first UE; and
wherein the RBCF node is configured to provide a linking of signaling received via a loop through the first IMS domain in the HPLMN with media anchored due to the local break out in the second IMS domain in the VPLMN.
7. A Visited Public Land Mobile Network (VPLMN) for providing a roaming functionality related to an Internet Protocol Multimedia Subsystem (IMS) session, wherein a first User Equipment (UE) is associated to a Home Public Land Mobile Network (HPLMN) and wherein the first UE roams in theVPLMN, wherein the HPLMN comprises a first IMS domain, wherein a session set-up of an IMS session requires handling of control signaling and establishment of a user plane path, wherein a session set-up request terminates at the roaming first UE from a second UE, the second UE being attached to an originating network, the VPLMN comprising:
a plurality of network entities;
a second IMS domain; and
a Roaming Border Control Function (RBCF) node;
wherein the plurality of network entities of the VPLMN are configured for:
transmission of a session set-up request control signaling from the first IMS domain to the RBCF to set-up a media path to the VPLMN;
transmission of the session set-up request control signaling from the RBCF node to the first IMS domain, and
wherein the second IMS domain is configured to handle the user plane path and the associated control signaling to terminate the session set-up;
wherein local break out of media is to be applied for the roaming first UE;
wherein the RBCF node is configured to provide a linking of signaling received from the first IMS domain in the HPLMN with media sent to the second IMS domain, where media of the first UE is anchored due to local break out.
8. A non-transitory computer-readable medium, part of a Visited Public Land Mobile Network (VPLMN), having computer-executable instructions thereon for providing a roaming functionality related to an Internet Protocol Multimedia Subsystem (IMS) session, wherein a first User Equipment (UE-A) is associated to a Home Public Land Mobile Network (HPLMN) and wherein the first UE roams in the VPLMN, wherein the Home Public Land Mobile Network (HPLMN) comprises a first IMS domain, wherein the VPLMN comprises a second IMS domain, and wherein the VPLMN comprises a Roaming Border Control Function (RBCF), wherein a session set-up of an IMS session requires the handling of control signaling and the establishment of a user plane path, wherein a session set-up request originates from the roaming first UE towards a second UE, the second UE being attached to a target network, the computer-executable instructions, when executed by a processor, causing the following steps:
transmitting, by the second IMS domain, a session set-up request control signaling to the first IMS domain;
receiving a transmission of the session set-up request control signaling from the first IMS domain in a forward direction to the RBCF of the VPLMN; and
handling, by the second IMS domain, the user plane path and the associated control signaling to terminate the session set-up;
wherein local break out of media is applied for the roaming first UE; and
wherein the RBCF of the VPLMN provides a linking of signaling received via a loop through the first IMS domain in the HPLMN with media anchored due to the local break out in the second IMS domain in the VPLMN.
9. A non-transitory computer-readable medium, part of a Visited Public Land Mobile Network (VPLMN), having computer-executable instructions thereon for providing a roaming functionality related to an Internet Protocol Multimedia Subsystem (IMS) session, wherein a first User Equipment (UE) is associated to a Home Public Land Mobile Network (HPLMN) and wherein the first UE roams in the VPLMN, wherein the HPLMN comprises a first IMS domain, wherein the VPLMN comprises a second IMS domain, and wherein the VPLMN comprises a Roaming Border Control Function (RBCF), wherein a session set-up of an IMS session requires the handling of control signaling and the establishment of a user plane path, wherein a session set-up request terminates at the roaming first UE from a second UE, the second UE being attached to an originating network, the computer-executable instructions, when executed by a processor, causing the following steps:
receiving, by the RBCF of the VPLMN, a session set-up request control signaling from the first IMS domain to set-up of a media path to the VPLMN;
transmitting, by the RBCF of the VPLMN, the session set-up request control signaling to the first IMS domain; and
handling, by the second IMS domain, the user plane path and the associated control signaling to terminate the session set-up;
wherein local break out of media is applied for the roaming first UE; and
wherein the RBCF of the VPLMN provides a linking of the signaling received from the first IMS domain in the HPLMN with media sent to the second IMS domain, where media of the first UE is anchored due to local break out.
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. An installing structure of an electric storage device in an electric car which includes an electric motor for traveling and a plurality of the electric storage devices configured to store power supplied to the electric motor,
wherein a traveling wind passage extending in forward and rearward direction, through which a traveling wind, generated with traveling of the electric car, passes, is formed in an electric storage device group including the plurality of the electric storage devices, and connection terminals of the electric storage devices and a power cable that connects the connection terminals to each other are disposed in a manner of facing the traveling wind passage.
2. The installing structure of the electric storage device according to claim 1, wherein at least two electric storage devices within the electric storage device group are divided into either upper and lower side electric storage devices, respectively or left and right side electric storage devices, respectively, and the traveling wind passage is disposed between the upper and lower side electric storage devices or between the left and right side electric storage devices.
3. The installing structure of the electric storage device according to claim 2, wherein the plurality of the electric storage devices of the electric storage device group is divided into two modules, a left side module and a right side module, and each module is collectively connected and installed so as to be collectively attached to and detached from the electric car.
4. The installing structure of the electric storage device according to claim 3, wherein the left and right side modules are electrically connected in series to each other via a relay.
5. The installing structure of the electric storage device according to claim 2, wherein a partition plate having an electrically insulating property is disposed in the traveling wind passage, between the electric storage devices divided into upper and lower side electric storage devices or left and right side electric storage devices.
6. The installing structure of the electric storage device according to claim 1, wherein a body frame of the electric car includes a head pipe that supports a steering shaft and a main frame that extends rearward from the head pipe,
the main frame is bifurcated into left and right frame members, and
the electric storage device group is interposed between the left and right frame members.
7. The installing structure of the electric storage device according to claim 1, wherein a body frame of the electric car includes a head pipe that supports a steering shaft and a main frame that extends rearward from the head pipe, and
the plurality of the electric storage devices of the electric storage device group are divided into left and right groups such that the main frame is located in a center of a vehicle body in a width direction, and the traveling wind passage is formed under the main frame.
8. The installing structure of the electric storage device according to claim 7, wherein the plurality of the electric storage devices of the electric storage device group is installed to a bracket which hangs downward from the main frame, in the traveling wind passage.
9. The installing structure of the electric storage device according to claim 1, wherein a wind guiding duct is provided to guide traveling wind into the traveling wind passage from a front portion of the traveling wind passage.
10. The installing structure of the electric storage device according to claim 1, wherein a heat exchanger through which a cooling liquid for cooling the electric motor flows is disposed in front of the traveling wind passage.
11. The installing structure of the electric storage device according to claim 1, wherein electronic equipment is provided next to at least one of the electric storage devices of the electric storage device group, and the traveling wind passage is formed between the electronic equipment and the electric storage device which is next to the electronic equipment.