1. An inverted-F antenna comprising:
a flexible board;
a radiation plate formed on the flexible board; and
a signal line comprising a first end formed on the flexible board and connected to the radiation plate and a second end extending from the first end and provided as a connecting terminal for feeding and grounding;
wherein the signal line has a bending part formed between the first end and the second end; and
wherein a portion of the flexible board corresponding to the bending part has a smaller thickness than other portions of the flexible board.
2. The inverted-F antenna according to claim 1, wherein the second end of the signal line has a feed terminal and a ground terminal formed at a same position.
3. The inverted-F antenna according to claim 1, wherein the second end of the signal line has a feed terminal and a ground terminal formed at a predetermined interval from each other.
4. The inverted-F antenna according to claim 1, further comprising a stub extending from the first end of the signal line for impedance matching.
5. The inverted-F antenna according to claim 4, wherein the stub extends in an opposite direction from the extension direction of the signal line.
6. An inverted-F antenna comprising:
a flexible board;
a radiation plate formed on the flexible board; and
a signal line comprising a first end formed on the flexible board and connected to the radiation plate and a second end extending from the first end and provided as a connecting terminal for feeding and grounding;
wherein the signal line is positioned at a right angle about the radiation plate with the first end thereof connected to a side of the radiation plate.
7. The inverted-F antenna according to claim 6, further comprising a connector for connecting the first end of the signal line with the radiation plate, the connector having a width smaller than that of the signal line.
8. The inverted-F antenna according to claim 6, wherein the flexible board has a right-angled shape according to connection form of the signal line and the radiation plate.
9. A mobile communication terminal comprising:
an RF board;
a ground plate formed on the RF board;
a feed line formed on the RF board for supplying a signal; and
an inverted-F antenna including a flexible board, a radiation plate formed on the flexible board, and a signal line having a first end formed on the flexible board and connected to the radiation plate and a second end extending from the first end and connected to the ground plate and the feed line;
wherein the inverted-F antenna is mounted at a side of the RF board with the signal line bent in such a way that the radiation plate is disposed perpendicular to a main surface of the RF board.
10. The mobile communication terminal according to claim 9, wherein the RF board has a recess for mounting the bent flexible board including the radiation plate.
11. The mobile communication terminal according to claim 9, wherein the flexible board has a surface fixed to internal devices of the mobile communication terminal by an adhesive material.
12. The mobile communication terminal according to claim 9, wherein the second end of the signal line has a feed terminal and a ground terminal formed at a same position.
13. The mobile communication terminal according to claim 9, wherein the second end of the signal line has a feed terminal and a ground terminal formed at a predetermined interval from each other.
14. The mobile communication terminal according to claim 9, the signal line is positioned at a right angle about the radiation plate with the first end thereof connected to a side of the radiation plate.
15. The mobile communication terminal according to claim 9, further comprising a connector for connecting the first end of the signal line with the radiation plate, the connector having a width smaller than that of the signal line.
16. The mobile communication terminal according to claim 9, wherein the flexible board has a right-angled shape according to connection form of the signal line and the radiation plate.
17. The mobile communication terminal according to claim 9, further comprising a stub extending from the first end of the signal line for impedance matching.
18. The mobile communication terminal according to claim 17, wherein the stub extends in an opposite direction from the extension direction of the signal line.
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 power distribution module for distributing power in a distributed antenna system, comprising:
an input power port configured to receive input power from an external power source;
at least one output power port configured to receive output power and distribute the output power to at least one distributed antenna system (DAS) power-consuming device electrically coupled to the at least one output power port; and
at least one power controller comprising a power enable port, the at least one power controller configured to selectively distribute the output power based on the input power to the at least one output power port based on a power enable signal coupled to the power enable port.
2. The power distribution module of claim 1, further comprising at least one power converter electrically coupled to the input power port, the at least one power converter configured to:
receive input power from the external power source when the external power source is electrically connected to the input power port;
convert the input power to the output power; and
distribute the output power to at least one power controller.
3. The power distribution module of claim 1, wherein the at least one power controller is configured to distribute the output power to the at least one output power port if the power enable signal coupled to the power enable port indicates to activate power.
4. The power distribution module of claim 1, wherein the at least one power controller is configured to not distribute the output power to the at least one output power port if the power enable signal coupled to the power enable port indicates to deactivate power.
5. The power distribution module of claim 1, wherein the at least one output power port is comprised of a plurality of output power ports configured to distribute power to a plurality of power-consuming DAS components electrically coupled to the plurality of output power ports.
6. The power distribution module of claim 1, wherein the input power port comprises at least one input power conductor electrically coupled to the at least one power converter and at least one input power enable conductor electrically coupled to the power enable port.
7. The power distribution module of claim 6, wherein the at least one input power conductor is configured to receive the input power from the external power source when the external power source is coupled to the input power port.
8. The power distribution module of claim 6, wherein the at least one input power enable conductor is configured to receive a power enable signal.
9. The power distribution module of claim 6, wherein the at least one input power conductor is comprised of at least one input power connector receptacle, and the at least one input power enable conductor is comprised of at least one input power enable receptacle.
10. The power distribution module of claim 6, wherein the at least one input power conductor is comprised of at least one input power connector pin, and the at least one input power enable conductor is comprised of at least one input power enable pin.
11. The power distribution module of claim 10, wherein the at least one input power enable pin is shorter in length than the at least one input power connector pin, such that when the at least one input power conductor is electrically coupled to the external power source, an electrical connection is established to the at least one input power connector pin before an electrical connection is established to the at least one input power enable pin.
12. The power distribution module of claim 1, wherein the at least one output power port comprises at least one output power conductor electrically coupled to the at least one power converter and at least one output power enable conductor electrically coupled to the power enable port.
13. The power distribution module of claim 12, wherein the at least one output power conductor is configured to receive the output power from the at least one power controller when the external power source is coupled to the input power port and the power enable port receives the power enable signal indicating to distribute power.
14. The power distribution module of claim 13, wherein the at least one output power enable conductor is configured to receive a power enable signal.
15. The power distribution module of claim 12, wherein the at least one output power conductor is comprised of at least one output power connector receptacle, and the at least one output power enable conductor is comprised of at least one output power enable receptacle.
16. The power distribution module of claim 12, wherein the at least one output power conductor is comprised of at least one output power connector pin, and the at least one output power enable conductor is comprised of at least one output power enable pin.
17. The power distribution module of claim 16, wherein the at least one output power enable pin is shorter in length than the at least one output power connector pin, such that when the at least one output power conductor is electrically coupled to the at least one DAS power-consuming device, an electrical connection is established to the at least one output power connector pin before an electrical connection is established to the at least one output power enable pin.
18. The power distribution module of claim 1, wherein the at least one DAS power-consuming device is comprised of at least one remote antenna unit (RAU).
19. The power distribution module of claim 2, wherein the at least one power converter is configured to convert alternating current (AC) input power from the external power source to direct current (DC) output power.
20. A method of distributing power from a power distribution module to at least one power-consuming distributed antenna system (DAS) component in a DAS, comprising:
receiving input power from an external power source electrically connected to an input power port;
selectively distributing from at least one power controller, output power based on the input power to at least one output power port based on a power enable signal coupled to a power enable port on the at least one power controller; and
distributing the output power from the at least one output power port to the at least one power-consuming DAS component electrically coupled to the at least one output power port.