최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0198189 (2005-08-08) |
등록번호 | US-7301440 (2007-11-27) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 134 인용 특허 : 270 |
The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit circuit communicatively coupled to
The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit circuit communicatively coupled to a first energized conductor for applying a first voltage signal representing the data to the first energized conductor; the transmit circuit being communicatively coupled to a second energized conductor for applying a second voltage signal representing the data to the second energized conductor; and wherein the second voltage signal is opposite in polarity to said first voltage signal.
What is claimed is: 1. A method of providing communications over an electrical power distribution network having first and second medium voltage power line conductors in spaced-apart and substantially parallel relation, comprising: at a first location: receiving first data via a backhaul link; modu
What is claimed is: 1. A method of providing communications over an electrical power distribution network having first and second medium voltage power line conductors in spaced-apart and substantially parallel relation, comprising: at a first location: receiving first data via a backhaul link; modulating at least one carrier with the first data to provide a first data signal; and coupling the first data signal to the first medium voltage power line conductor; at a second location: receiving the first data signal from the second medium power line conductor; demodulating the received first data signal to provide the first data; and transmitting the first data to a user device; and wherein the first data signal cross-couples from the first medium voltage power line conductor to the second medium voltage power line conductor, at least in part, through air. 2. The method of claim 1, further comprising routing the first data after demodulating the first data signal. 3. The method of claim 1, wherein the backhaul link is, at least in part, a wireless link. 4. The method of claim 1, wherein the backhaul link is, at least in part, a fiber optic link. 5. The method of claim 1, wherein transmitting the first data includes transmitting the first data over a low voltage power line. 6. The method of claim 1, wherein transmitting the first data includes wirelessly transmitting the first data. 7. The method of claim 1, wherein modulating includes orthogonal frequency division multiplexing. 8. The method of claim 1, further comprising: at the second location: receiving second data from a user device; modulating at least one carrier with the second data to provide a second data signal; and coupling the second data signal to the second medium voltage power line conductor; at the first location: receiving the second data signal from the first medium power line conductor; demodulating the received second data signal to provide the second data; and transmitting the second data over the backhaul link. 9. The method of claim 8, further comprising prioritizing the second data at the second location prior to modulating at least one carrier with the second data. 10. The method of claim 8, wherein receiving the second data includes wirelessly receiving the second data. 11. The method of claim 8, wherein receiving the second data includes receiving the second data via a low voltage power line. 12. The method of claim 8, further comprising: at the second location: receiving third data from a user device; modulating at least one carrier with the third data to provide a third data signal; and coupling the third data signal to the second medium voltage power line conductor; at the first location: receiving the third data signal from the first medium power line conductor; demodulating the received third data signal to provide the third data; and transmitting the third data over the backhaul link. 13. The method of claim 12, further comprising prioritizing the second data and third data at the second location. 14. The method of claim 1, wherein coupling includes inductively coupling. 15. The method of claim 1, wherein coupling includes capacitively coupling. 16. The method of claim 1, wherein coupling includes coupling via a coupler having a first and second conductive connection with the first medium voltage power line. 17. The method of claim 1, further comprising at the second location constructing a data packet that includes at least a portion of the first data and a destination address corresponding to a user device. 18. The method of claim 17, wherein the destination address comprises a media access control address of a power line modem. 19. The method of claim 1, further comprising at the second location: receiving a plurality of data packets; and prioritizing transmission of the plurality of data packets. 20. A method of providing communications over an electrical power distribution network having first and second medium voltage power line conductors in spaced-apart and substantially parallel relation, comprising: at a first power line communications device: receiving first data from a user device; modulating at least one carrier with the first data to provide a first data signal; and coupling the first data signal to the first medium voltage power line conductor; at a backhaul device: receiving the first data signal from the second medium power line conductor; demodulating the received first data signal to provide the first data; and transmitting the first data over a backhaul link; and wherein the first data signal cross-couples from the first medium voltage power line conductor to the second medium voltage power line conductor, at least in part, through air. 21. The method of claim 20, further comprising at the first power line communications device routing the first data. 22. The method of claim 20, wherein the backhaul link is, at least in part, a wireless link. 23. The method of claim 20, wherein the backhaul link is, at least in part, a fiber optic link. 24. The method of claim 20, wherein receiving the first data includes receiving the first data via a low voltage power line. 25. The method of claim 20, wherein receiving the first data includes wirelessly receiving the first data. 26. The method of claim 20, further comprising at the first power line communications device: constructing a data packet that includes at least a portion of the first data and a destination address corresponding to the backhaul device; and wherein the first data signal represents the data packet. 27. The method of claim 26, wherein the destination address comprises a media access control address. 28. The method of claim 20, further comprising at the first power line communications device: receiving a plurality of data packets; and prioritizing transmission of the plurality of data packets. 29. A method of providing communications over an electrical power distribution network having first, second, and third medium voltage power line conductors in spaced-apart and substantially parallel relation, comprising: connecting a first power line communications device to the first medium voltage power line conductor; connecting a second power line communications device to the second medium voltage power line conductor; connecting a third power line communications device to the third medium voltage power line conductor; receiving a first data at the first power line communications device; constructing a data packet that includes at least a portion of the first data and a destination address corresponding to a user device; wherein the first and third power line communications devices each includes a user device configured to communicate with one or more user devices; wherein transmissions from the first power line communications device to the second power line communications device traverse at least the first medium voltage power line conductor, and cross-couple through air to the second medium voltage power line conductor; and wherein transmissions from the third power line communications device to the second power line communications device traverse at least the third medium voltage power line conductor, and cross-couple through air to the second medium voltage power line conductor. 30. The method of claim 29, wherein the user device interfaces each include a wireless transceiver. 31. The method of claim 29, wherein the user device interfaces are each configured to communicate via a low voltage power line. 32. The method of claim 24, wherein the second power line communications device wirelessly transmits data received from the first power line communications device. 33. The method of claim 24, wherein the first and third power line communications devices each includes a router. 34. The method of claim 24, wherein the destination address comprises a media access control address of a power line modem. 35. A method of providing communications over an electrical power distribution network having first, second, and third medium voltage power line conductors in spaced-apart and substantially parallel relation, comprising: connecting a first power line communications device to the first medium voltage power line conductor; connecting a second power line communications device to the second medium voltage power line conductor; connecting a third power line communications device to the third medium voltage power line conductor; at the first power line communications device, receiving a plurality of data packets; and at the first power line communications device, prioritizing transmission of the plurality of data packets; wherein transmissions from the first power line communications device to the second power line communications device traverse at least the first medium voltage power line conductor, and cross-couple through air to the second medium voltage power line conductor; and wherein transmissions from the third power line communications device to the second power line communications device traverse at least the third medium voltage power line conductor, and cross-couple through air to the second medium voltage power line conductor.
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