Some content of this application is unavailable at the moment.
If this situation persist, please contact us atFeedback&Contact
1. (WO2006050331) DISTRIBUTED ANTENNA SYSTEM USING OVERHEAD POWER LINES
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

CLAIMS
What is claimed as invention is:
1. A distributed antenna system comprising:
one or more distribution points; and
at least one overhead power line for transporting information to said one or more distribution points along the length of said overhead power line.

2. A distributed antenna system as in claim 1, including duplex means for bidirectional transport of information.

3. A distributed antenna system as in claim 3, where said duplex means is at least one duplexer.

4. A distributed antenna system as in claim 3, wherein said duplex means is a telecommunication protocol for bi-directional transmission and reception.

5. A distributed antenna system as in claim 1, wherein energy propagates along said line in a surface wave mode.

6. A distributed antenna system as in claim 1, wherein said system is passive and does not include powered electronic components.

7. A distributed antenna system as in claim 1, further including active electronic components.

8. A distributed antenna system as in claim 7, wherein said active electronic components comprise amplifiers.

9. A distributed antenna system as in claim 7, wherein said active electronic components comprise filtering elements.

10. A distributed antenna system as in claim 7, wherein said active electronic components comprise frequency conversion elements.

11. A distributed antenna system as in claim 7, wherein said active electronic components include amplifiers, filters, and frequency conversion elements.

12. A distributed antenna system as in claim 1, wherein said system has a local access antenna at said one or more distribution points.

13. A distributed antenna system as in claim 1, wherein said system utilizes normal line discontinuities as local access distribution points.

14. A distributed antenna system as in claim 1 , further including communication devices for obtaining access by direct communication with one or more of said distribution points.

15. A distributed antenna system as in claim 14, wherein said communication devices are portable or mobile.

16. A distributed antenna system as in claim 14, wherein said communication devices are fixed.

17. A distributed antenna system as in claim 1 , wherein said information is conveyed through a multiplicity of information channels.

18. A distributed antenna system as in claim 17, wherein all of said information channels are distributed at each distribution point.

19. A distributed antenna system as in claim 17, wherein at least one of said information channels is not distributed at each distribution point.

20. A distributed antenna system as in claim 17, wherein at least one of said information channels are transported across the entire length of said overhead power line.

21. A distributed antenna system as in claim 17, wherein some of said channels continue on to convey information to a different system of any type.

22. A distributed antenna system as in claim 1 , wherein information is not demodulated prior to distribution.

23. A distributed antenna system as in claim 1, wherein information is demodulated and remodulated prior to distribution..

24. A distributed antenna system, comprising:
a transport portion including at least one overhead power line for transmitting system information along the length of said power line; and
a distribution portion including at least one local access point disposed along the length of said power line for providing local access to information transported by said transport portion.

25. The distributed antenna system of claim 24, wherein said power line is divided into one or more segments, each of said segments including one or more spans of power line, and each of said spans having support structures εct their respective ends.

26. The distributed antenna system of claim 25, wherein each of said spans are supported by one or more transmission line support structures which include a vertical support, cross arms, and insulators, for placing the span under mechanical tension.

27. The distributed antenna system of claim 25, wherein each of said segments includes a surface wave adapter at each end which couples electromagnetic energy to, from, or to and from the power line in a surface wave mode.

28. The distributed antenna system of claim 27, wherein at least one of said surface wave adapters includes a propagation medium adapter for coupling to another surface wave adapter disposed within another of said segments.

29. The distributed antenna system of claim 27, wherein at least one of said surface wave adapters includes an amplifier for maintaining information signal/noise poΛver ratio.

30. The distributed antenna system of claim 29, wherein a plurality of amplifiers are distributed along said power line frequently enough within a segment or segments so as to compensate for the transmission attenuation sustained along the surface wave system to its destination.

31. The distributed antenna system of claim 30, further including automatic gain control providing dynamic adjustment at each of said amplifiers.

32. The distributed antenna system of claim 24, further including connection, means for connecting said transport portion to a cellular telephone central communications head end device.

33. The distributed antenna system of claim 32, wherein said connection means is physical conductor.

34. The distributed antenna system of claim 32, where said connection means is an antenna.

35. The distributed antenna system of claim 24, wherein said distribution portion includes an antenna mounted on said power line.

36. The distributed antenna system of claim 24, wherein said distribution portion includes at least one device selected from the group comprising filters, amplifiers, frequency converters, modulators, and demodulators.