High frequency signal hub

• US 20090122842A1
• Filed: 04/11/2006
• Published: 05/14/2009
• Est. Priority Date: 04/11/2005
• Status: Active Grant

• Current Assignee: Geir Monsen Vavik
• Original Assignee: Geir Monsen Vavik
• Inventors: Vavik, Geir Monsen
• Granted Patent: US 7,885,634 B2
• Time in Patent Office: Days
• US Class Current: 375/211
• CPC Class Codes: H04B 2203/5483 using coupling circuits
• CPC Class Codes: H04B 3/56 Circuits for coupling, blocking, or by-passing of signals

Abstract

The present invention concerns a system for high frequency signal transmission in power line networks and also concerns signal hubs and repeaters to be used in such systems. The primary aim of the invention is to provide a communication system of a general type wherein the isolation between high frequency input and output signals is maintained. The hubs and repeaters are designed to be easily installed in the network. Radio and wireless links at subscriber nodes are also parts of the system.

Claims

1. Signal hub arrangement for transfer and regeneration of high frequency signals in distributed repeater systems,

characterized by the signal hub arrangement being installed in junction points wherein the arrangement includes the unmodified or modified radio frequency behavior of said junction points and a RF hub with at least two ports and wherein said arrangement combines regeneration of RF signals in at least one signal direction at same frequencies or different frequencies with the distribution of RF signals between various signal ports from at least one of feeder lines or load lines to at least one of feeder lines or load lines at any of same frequencies and different frequencies while RF signal isolation for high frequency signals is maintained between input and output signals of at least one signal direction and between rf signals at any number of load lines in said distribution points and wherein said arrangement uses junction points with conductors that can include at least one of high voltage and medium voltage and low voltage and signal networks.

2. Signal hub arrangement according to claim 1

characterized by the signal transmission utilizing differential input and output coupling of signals using at least two conductors of the load lines.

3. Signal hub arrangement according to claim 1

characterized by the signal transmission utilizing differential input and output coupling of signals using at least two conductors of the feeder line carrying medium or low voltage.

4. Signal hub arrangement according to claim 1

characterized by the signal transmission utilizing at least one microwave input and output interfacing of signals to at least one conductor in mast mounted wires using at least one feeder and load line.

5. Signal hub arrangement according to claim 1

characterized by the signal hub by at least one of controlled fashion, intelligent fashion or unintelligent fashion at least one of balances and controls lines that the signal hub is connected to and duplex conditions by signal hub being realized using at least one of semiconductors and microcontrollers and asics and communication modules and chips, chip sets and custom chips and custom chip sets.

6. Signal hub arrangement according to claim 1

characterized by the signal transmission utilizing at least one microwave input and output interfacing of signals to at least one conductor of mast mounted wires using at least one of feeder lines and load lines.

7. Signal hub arrangement according to claim 1

characterized by the said signal hub arrangement working principle to include at least one isolation impedance constituted by at least one of shunt and series impedances consisting of at least one of introduced shunting capacitor and shunting capacitor with resistor and introduced magnetic material and introduced dielectric material and implicit, inherent serial impedance and implicit, inherent shunt impedance.

8. Signal hub arrangement according to claim 1

characterized by said signal hub facilitating utilization of not less than two frequency bands for signal processing of at least one of analog channel and one signal direction.

9. Signal hub arrangement according to claim 1

characterized by said signal hub facilitating application of same frequency.

10. System for transmission of high frequency signals in networks consisting of conductors, wires and cable structures according to claim 1

characterized by the said system utilizing signal hub arrangement for signal transmission of high frequency signals where it achieves isolation of high frequency signals between at least one of feeder lines and load lines i any type of distributions in any type of network using conductors than can include at least one of medium voltage circuits and low voltage circuits and signal circuits and high voltage circuits.

11. System according to claim 10,

characterized by said system utilizing at least one of wire circuits and cable circuits to be part of utility company power grid for at least one of medium voltage and low voltage and indoor low voltage.

12. System according to claim 10,

characterized by said system facilitating use of at least one of any existing and future types of PHY belonging to at least one of telecommunication technologies and protocols as like at least one of multicast technologies and unicast technologies and broadcast technologies and one way FEC technologies and where examples of PHY is DOCSIS, Wimax, WiFi, CDMA, HFC.

13. System according to claim 10,

characterized by said system utilizing at least one of up conversion and down conversion and modulation and demodulation for PHY where carrier frequencies must be adapted or introduced.

14. System according to claim 10,

characterized by said system utilizing customer node where parts of signal hub arrangement is utilized with respect to at least one of interference suppression and connectivity and analog interface for one or more modems and duplex conditions and interface for narrow band services and node for narrow band services as with remote metering.

15. System according to claim 10,

characterized by said system utilizing at least one downstream channel using at least on of but not limited to DOCSIS channel and WiMax channel and DVB channel.

16. System according to claim 10,

characterized by said system utilizing at least one upstream channel using at lease but not limited to DOCSIS return channel and WiMax return channel and DVB return channel.

17. System according to claim 10,

characterized by said system utilizing up conversion of upstream channel when this is necessary in order for the upstream channel to arrive at the sub station node to ensure reception of upstream channel in a low noise frequency region.

18. System according to claim 10,

characterized by said system to utilize upstream channel in a lower frequency region to utilize said frequency region out from the customer node where high transmit power from the said customer node secures signal to noise ratio despite high noise level at the said customer node and through the possibility of again converting down the said upstream channel at the sub station node.

19. System according to claim 10,

characterized by said system to utilize pass through for some upstream channels in vacant, lower frequency region through the distribution nodes and all the way to the sub station or the last distribution node said signal hub arrangement adjacent to the sub station for redundancy or increase of upstream channels.

20. System according to claim 10,

characterized by said system to utilize fibre optic link between main node and nodes in the wire and cable circuits of at least one of analog channels and service flows.

21. System according to claim 10,

characterized by said system to utilize at least one of none galvanic coupling to at least one of medium voltage and low voltage.

22. System according to claim 10,

characterized by said system to utilize at least one of galvanic coupling to at least one of medium voltage and low voltage.

23. System according to claim 10,

characterized by said system utilizing at least one signal hub arrangement with analog to analog interface.

24. System according to claim 10,

characterized by said system utilizing at least one signal hub arrangement with digital to digital to analog interface.

25. System according to claim 10,

characterized by said system utilizing at least one signal hub arrangement connected to interface of a wireless system for local coverage with said wireless system.

26. System according to claim 10,

characterized by said system utilizing at least one signal hub arrangement with at least one of intelligent or remote control of signal hub arrangement parameters and variables.

27. System according to claim 10,

characterized by said system utilizing at least one signal hub arrangement with redundant communication capacity for narrow band applications that can be power by UPS uninterrupted power supply.

28. System according to claim 10,

characterized by said system to utilize at least one signal hub arrangement with at least one sensor and at least one actuator.

29. System according to claim 10,

characterized by said system through said signal hub arrangement being capable of connecting to any type of service interface that uses digital or analog bandwidth.

30. System according to claim 10,

characterized by said system utilizing none galvanic and touch proof coupling to medium voltage or high voltage using optical solutions.

31. System according to claim 10,

characterized by said system to utilize at least one signal hub arrangement in node point that is connected to radio link using analog interface.

32. System according to claim 10,

characterized by system utilizing at least two signal hubs in at least two node points being interconnected through medium voltage for transmissions of at least one downstream channel and at least on upstream channel across said medium voltage connection for distribution of at least one of analog channel capacity and service flows.

33. System according to claim 10,

characterized by said system to utilize at least one signal hub arrangement with galvanic coupling to cables using penetrating screws or nails that can be connected for differential feeding and tapping or to shunt impedances.

34. System according to claim 10,

characterized by said system to utilize signal hub arrangement with repeater with none galvanic coupling to ground buried cables with unshielded splices or splices with leaking shield and especially with long medium voltage cables.

35. Repeater for same frequency gain for signal transmission of high frequency signals according to claim 1,

characterized by said repeater to achieve stable isolation for high frequency signals between at least one of feeder and load lines of any type of distribution in any type of circuit using conductors that can include at least one of medium voltage circuits and low voltage power grids and signal networks and high voltage circuits.

36. Repeater according to claim 35

characterized by said repeater utilizing down converting demodulation of signal frequency to base band and regulated gain in base band in amplifiers and base band signal injection and signal injection with high frequency to super regenerative amplifier using quenching and signal extraction from modulated high frequency that is demodulated to base band and up converted modulated to signal frequency.

37. Repeater according to claim 35, 36

characterized by said repeater dynamics becoming improved using interconnection of a number of said regenerative devices.

38. Repeater according to claim 35, 36, 37

characterized by said repeater completely or partly is realized as a chip or as chip set.

39. Radio link for signal transmission of high frequency signals according to claim 1,

characterized by said radio link node interfaces being analog high frequency signals directly connected to signal hub arrangement and achieving isolation between at least one of feeder and load lines in any type of distribution in any type of circuit using conductors that can include at least one of medium voltage circuits and low voltage power grid and signal networks and high voltage circuits.

40. Radio link according to claim 39

characterized by said radio link to include at least one of repeaters and point to point and point to multipoint.

41. Radio link according to claim 39

characterized by said radio link with respect to small duplex spacing includes at least one band pass filter using dielectric resonators on microwave for at least one of transmitter and receiver and differing antenna polarization for different antennas and separate antennas for transmitter and receiver.

42. Radio link according to claim 39

characterized by said radio link utilizing more than one microwave transceiver in summation configuration for linear increase of bandwidth for at least one of downstream and upstream said microwave link.

43. Triple Play and Quadruple Play signal transmission with high frequency signals according to claim 1,

characterized by said transmissions being delivered to customer nodes via sub stations using signal hub arrangement where said hub can achieve isolation for high frequency signals between at least one of feeder and load lines in any type distribution in any type of circuit using conductors that can include at least one of medium voltage circuits and low voltage power grids and signal circuits.