SYSTEMS AND METHODS FOR CAPACITY MANAGEMENT FOR A DISTRIBUTED ANTENNA SYSTEM

• US 20150181615A1
• Filed: 12/02/2014
• Published: 06/25/2015
• Est. Priority Date: 12/23/2013
• Status: Abandoned Application

• Current Assignee: CommScope Technologies, LLC (CommScope Holding Company, Inc.)
• Original Assignee: ADC Telecommunications Incorporated (TE Connectivity Limited)
• Inventors: Golubovic, Boris, Uyehara, Lance K., Schatz, Paul
• Application Number:
  US14/557,771
• Publication Number:
  US 20150181615A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04W 28/0247 based on conditions of the access network or the infrastructure network central resource management H04W28/16
• CPC Class Codes: H04W 28/0252 per individual bearer or channel dynamic wireless traffic scheduling H04W72/12
• CPC Class Codes: H04W 88/085 Access point devices with remote components

Abstract

Systems and methods for capacity management for a distributed antenna system are provided. In one embodiment, a distributed antenna system comprises: a host unit; a plurality of remote antenna units coupled to the host unit via a plurality of communication links, wherein the plurality of communication links transport a radio frequency (RF) carrier signal between the host unit and at least one wireless subscriber unit via the plurality of remote units; and at least one capacity processor, wherein the capacity processor alters at least a portion of the RF carrier signal such that the at least one wireless subscriber unit can utilize a bandwidth of the RF carrier signal that is less than a full available bandwidth of the RF carrier signal.

Claims

1. A distributed antenna system, the antenna system comprising:

a host unit;

a plurality of remote antenna units coupled to the host unit via a plurality of communication links, wherein the plurality of communication links transport a radio frequency (RF) carrier signal between the host unit and at least one wireless subscriber unit via the plurality of remote units; and

at least one capacity processor, wherein the capacity processor alters at least a portion of the RF carrier signal such that the at least one wireless subscriber unit can utilize a bandwidth of the RF carrier signal that is less than a full available bandwidth of the RF carrier signal.

2. The system of claim 1, further comprising a first remote antenna unit of the plurality of antenna units;

wherein the at least one capacity processor comprises a first capacity processor that alters the at least a portion of the RF carrier signal transported by the first remote antenna unit.

3. The system of claim 2, wherein the first capacity processor is implemented within the first remote antenna unit.

4. The system of claim 2, further comprising a second remote antenna unit of the plurality of antenna units, wherein a second capacity processor alters a second a portion of the RF carrier signal as transported by the second remote antenna unit.

5. The system of claim 4, wherein the second capacity processor is implemented within the second remote antenna unit.

6. The system of claim 4, wherein the second capacity processor is implemented at the host unit.

7. The system of claim 2, wherein the first capacity processor is implemented at the host unit.

8. The system of claim 1, wherein the at least one capacity processor filters out one or more resource blocks or sub-carriers from the RF carrier signal.

9. The system of claim 1, wherein the at least one capacity processor does not filter out control channels from the RF carrier signal.

10. The system of claim 1, further comprising a first remote antenna unit of the plurality of antenna unit;

wherein the at least one capacity processor attenuates the RF carrier signal to force the at least one wireless subscriber unit to use a second grade of service that is a different grade of service than a first grade of service available through a second remote antenna unit of the plurality of antenna units.

11. The system of claim 1, further comprising a first remote antenna unit of the plurality of antenna unit;

wherein the at least one capacity processor attenuates the RF carrier signal to force the at least one wireless subscriber unit to use a grade of service that is a different grade of service than a highest grade of service offered by a base station coupled to the host unit.

12. The system of claim 1, wherein the at least one capacity processor is implemented differently for uplink verses downlink communications.

13. The system of claim 1, wherein the radio frequency (RF) carrier signal is transmitted within the digital antenna system by a digital transport, where the RF carrier signal comprises a stream of digital RF packets, wherein each digital RF packet carries data samples of a the RF carrier signal.

14. The system of claim 1, wherein the at least one capacity processor is implemented as a digital filter.

15. The system of claim 1, wherein the at least one capacity processor is implemented as a remotely reconfigurable filter.

16. The system of claim 1, wherein the at least one capacity processor alters the at least a portion of the RF carrier signal during a first time division resource within the RF carrier signal differently than during a second time division resource within the RF carrier signal

17. A distributed antenna system, the antenna system comprising:

a host unit coupled to a base station;

a plurality of remote antenna units coupled to the host unit via a plurality of communication links, wherein the plurality of communication links transport a radio frequency (RF) carrier signal between the host unit and at least one wireless subscriber unit via the plurality of remote units; and

at least one capacity processor, wherein the capacity processor alters at least a portion of the RF carrier signal to attenuate the RF carrier signal to force the at least one wireless subscriber unit to use a first grade of service that is a different grade of service than a highest grade of service offered by the base station.

18. The system of claim 17, further comprising a first remote antenna unit of the plurality of antenna unit;

wherein the first grade of service is a different grade of service than a second grade of service available through a second remote antenna unit of the plurality of antenna units.

19. The system of claim 18, wherein the first capacity processor is implemented within the first remote antenna unit.

20. The system of claim 18, wherein the first capacity processor is implemented at the host unit.

21. The system of claim 17, wherein the at least one capacity processor is implemented differently for uplink verses downlink communications.

22. The system of claim 17, wherein the radio frequency (RF) carrier signal is transmitted within the digital antenna system by a digital transport, where the RF carrier signal comprises a stream of digital RF packets, wherein each digital RF packet carries data samples of a the RF carrier signal.

23. The system of claim 17, wherein the at least one capacity processor is implemented as a digital filter.

24. The system of claim 17, wherein the at least one capacity processor is implemented as a remotely reconfigurable filter.

25. The system of claim 17, wherein the at least one capacity processor alters the at least a portion of the RF carrier signal during a first time division resource within the RF carrier signal differently than during a second time division resource within the RF carrier signal

26. A method for managing capacity distribution within a distributed antennal system, the distributed antennal system comprising a host unit coupled to a plurality of remote antenna units, the method comprising:

implementing a capacity processor for at least a first remote antenna unit of the plurality of antenna units;

transporting, via the distributed antenna system, a radio-frequency (RF) carrier signal between a base station coupled to the host unit, and a wireless subscriber unit coupled to the first remote antenna unit, wherein the capacity processor alters a portion of the RF carrier signal; and

allocating at least a portion of the RF carrier signal to the wireless subscriber unit, wherein the allocating avoids the portion of the RF carrier signal altered by the capacity processor.

27. The method of claim 26, wherein the capacity processor is implemented within the first remote antenna unit.

28. The method of claim 26, the distributed antenna system further comprising a second remote antenna unit of the plurality of antenna units, the method further comprising:

implementing a second capacity processor alters a second a portion of the RF carrier signal as transported by the second remote antenna unit.

29. The method of claim 28, wherein the second capacity processor is implemented within the second remote antenna unit.

30. The method of claim 28, wherein the second capacity processor is implemented within the host unit.

31. The method of claim 26, wherein the capacity processor is implemented within the host unit.

32. The method of claim 26, wherein the capacity processor filters out one or more resource blocks or sub-carriers from the RF carrier signal.

33. The method of claim 26, wherein the radio frequency (RF) carrier signal is transmitted within the digital antenna system by a digital transport, where the RF carrier signal comprises a stream of digital RF packets, wherein each digital RF packet carries data samples of a the RF carrier signal.

34. The method of claim 26, wherein the capacity processor alters the at least a portion of the RF carrier signal during a first time division resource within the RF carrier signal differently than during a second time division resource within the RF carrier signal.

35. A method for managing capacity distribution within a distributed antennal system, the distributed antennal system comprising a host unit coupled to a plurality of remote antenna units, the method comprising:

implementing a capacity processor for at least a first remote antenna unit of the plurality of antenna units;

transporting, via the distributed antenna system, a radio-frequency (RF) carrier signal between a base station coupled to the host unit, and a wireless subscriber unit coupled to the first remote antenna unit, wherein the capacity processor alters a portion of the RF carrier signal; and

wherein the capacity processor attenuates the RF carrier signal to force the wireless subscriber unit to use a first grade of service that provides a different grade of service than a highest grade of service offered by the base station.

36. The method of claim 35, wherein the first grade of service is different than a second grade of service available through a second remote antenna unit of the plurality of antenna units.

37. The method of claim 35, wherein the capacity processor is implemented within the first remote antenna unit.

38. The method of claim 35, wherein the capacity processor is implemented within the host unit.

39. The method of claim 35, the distributed antenna system further comprising a second remote antenna unit of the plurality of antenna units, the method further comprising:

implementing a second capacity processor alters a second a portion of the RF carrier signal as transported by the second remote antenna unit.

40. The method of claim 35, wherein the radio frequency (RF) carrier signal is transmitted within the digital antenna system by a digital transport, where the RF carrier signal comprises a stream of digital RF packets, wherein each digital RF packet carries data samples of a the RF carrier signal.

41. The method of claim 35, wherein the capacity processor alters the at least a portion of the RF carrier signal during a first time division resource within the RF carrier signal differently than during a second time division resource within the RF carrier signal.