Distributed antenna systems (DAS) supporting expanded, programmable communications services distribution to programmable remote communications service sector areas

• US 9,780,841 B2
• Filed: 08/15/2016
• Issued: 10/03/2017
• Est. Priority Date: 02/26/2014
• Status: Active Grant

• Current Assignee: Corning Optical Communications LLC (Corning Incorporated)
• Original Assignee: Corning Optical Communications Wireless Ltd. (Corning Incorporated)
• Inventors: Berlin, Igor, Harel, Dror
• Primary Examiner(s): Washburn, Daniel
• Assistant Examiner(s): Hassan, Sarah
• Application Number:
  US15/236,645
• Publication Number:
  US 20160352393A1
• Time in Patent Office: 414 Days
• Field of Search: 375267, 398116
• CPC Class Codes: H04B 10/25753 Distribution optical network, e.g. between a base station and a plurality of remote units
• CPC Class Codes: H04B 10/807 Optical power feeding, i.e. transmitting power using an optical signal
• CPC Class Codes: H04B 7/022 Site diversity; Macro-diversity using two or more spaced independent antennas H04B7/04
• CPC Class Codes: H04B 7/0469 taking special antenna structures, e.g. cross polarized antennas into account
• CPC Class Codes: H04W 88/085 Access point devices with remote components

Abstract

Embodiments disclosed herein include distributed antenna systems (DASs) supporting expanded, programmable communications services distribution to remote communications service sector areas. In one embodiment, the DAS includes a first programmable switch for distributing downlink communications signals into one or more communications service sector sets. The DAS further includes a second programmable switch configured to distribute the one or more communications service sector sets to one or more remote communications service sector areas. A configurable extender module is also included to provide expanded routing of communications service sector sets in the DAS. In this manner, the DAS is programmable to allow any combination of communications service sector sets and expanded communications service sector sets from any number of different base stations to be routed to any combination of remote communications service sector areas and expanded remote communications service sector areas, based on capacity needs and capability of the DAS.

Claims

1. A communication system supporting expanded, programmable communications services distribution to remote communications service sector areas, comprising:

a central unit configured to distribute downlink communications signals to a plurality of remote antenna units over at least one communications medium; and

each of the plurality of remote antenna units configured to receive downlink communications signals from the central unit over the at least one communications medium, each of the plurality of remote antenna units comprising at least one antenna configured to wirelessly distribute the received downlink communications signals;

the central unit, configured to;

receive a downlink communications signal among a plurality of downlink communications signals, for a communications service among one or more communications services from at least one base station; and

the central unit comprising at least one first programmable switch configured to;

receive the plurality of downlink communications signals; and

switch the plurality of downlink communications signals into one or more downlink communications service sector sets, based on a first programmable configuration for the at least one first programmable switch;

an extender module configured to;

receive the one or more downlink communications service sector sets; and

extend the received one or more downlink communications service sector sets into one or more extended downlink communications service sector sets based on a configuration of the extender module; and

at least one second programmable switch configured to;

receive the one or more extended downlink communications service sector sets; and

switch the received one or more extended downlink communications service sector sets into one or more remote communications service areas each comprised of a subset of the plurality of remote antenna units, based on a second programmable configuration for the at least one second programmable switch,

wherein each of the at least one first programmable switch comprises;

a first programmable switching matrix configured to;

receive the plurality of downlink communications signals; and

switch a selected set of the plurality of downlink communications signals, based on the first programmable configuration for the first programmable switching matrix; and

at least one first radio distribution module configured to;

receive the selected set of the plurality of downlink communications signals; and

combine the received selected set of the plurality of downlink communications signals to provide a communications service sector set among the one or more downlink communications service sector sets.

2. The communication system of claim 1, wherein each of the at least one second programmable switch comprises:

at least one second radio distribution module configured to;

receive at least one extended downlink communications service sector set among the one or more extended downlink communications service sector sets from the extender module; and

distribute the received at least one extended downlink communications service sector set;

a second programmable switching matrix configured to;

receive the at least one extended downlink communications service sector set from the at least one second radio distribution module; and

switch the received at least one extended downlink communications service sector set into the one or more remote communications service areas, based on the second programmable configuration for the second programmable switching matrix.

3. The communication system of claim 2, wherein the second programmable switching matrix is configured to set the number of one or more of remote communications service areas up to the number of the at least one second radio distribution module based on the second programmable configuration for the second programmable switching matrix.

4. The communication system of claim 1, wherein the extender module further comprises at least one extender splitter configured to extend the received one or more downlink communications service sector sets by being configured to split the received one or more downlink communications service sector sets into a plurality of the extended downlink communications service sector sets based on the configuration of the extender module.

5. The communication system of claim 4, wherein:

the at least one first programmable switch is further comprised of a first programmable switch; and

the at least one extender splitter is configured to split the received one or more downlink communications service sector sets from the first programmable switch into the plurality of the extended downlink communications service sector sets, based on the configuration of the extender module.

6. The communication system of claim 5, wherein:

the at least one second programmable switch is further comprised of a plurality of second programmable switches; and

the at least one extender splitter is further configured to distribute the plurality of the extended downlink communications service sector sets based on the configuration of the extender module to the plurality of second programmable switches, based on the configuration of the extender module.

25. The communication system of claim 4, wherein the extender module is disposed between a head-end unit (HEU) of the central unit, and an optical interface unit (OIU) of the central unit.

7. A communication system supporting expanded, programmable communications services distribution to remote communications service sector areas, comprising:

a central unit configured to distribute downlink communications signals to a plurality of remote antenna units over at least one communications medium; and

each of the plurality of remote antenna units configured to receive downlink communications signals from the central unit over the at least one communications medium, each of the plurality of remote antenna units comprising at least one antenna configured to wirelessly distribute the received downlink communications signals;

the central unit, configured to;

receive a downlink communications signal among a plurality of downlink communications signals, for a communications service among one or more communications services from at least one base station; and

the central unit comprising at least one first programmable switch configured to;

receive the plurality of downlink communications signals; and

switch the plurality of downlink communications signals into one or more downlink communications service sector sets, based on a first programmable configuration for the at least one first programmable switch;

an extender module configured to;

receive the one or more downlink communications service sector sets; and

extend the received one or more downlink communications service sector sets into one or more extended downlink communications service sector sets based on a configuration of the extender module; and

at least one second programmable switch configured to;

receive the one or more extended downlink communications service sector sets; and

switch the received one or more extended downlink communications service sector sets into one or more remote communications service areas each comprised of a subset of the plurality of remote antenna units, based on a second programmable configuration for the at least one second programmable switch,

wherein the extender module further comprises at least one extender combiner configured to extend the received one or more downlink communications service sector sets by being configured to combine the received one or more downlink communications service sector sets into the one or more extended downlink communications service sector sets based on the configuration of the extender module.

8. The communication system of claim 7, wherein:

the at least one first programmable switch is further comprised of a plurality of first programmable switches; and

the at least one extender combiner is configured to combine the received one or more downlink communications service sector sets from the plurality of first programmable switches into a plurality of the extended downlink communications service sector sets, based on the configuration of the extender module.

9. The communication system of claim 8, wherein the plurality of first programmable switches are physically disposed in a respective radio interface module (RIM).

10. The communication system of claim 8, wherein:

the at least one second programmable switch is further comprised of a second programmable switch; and

the at least one extender combiner is further configured to distribute the plurality of the extended downlink communications service sector sets based on the configuration of the extender module to the second programmable switch, based on the configuration of the extender module.

26. The communication system of claim 7, wherein the extender module further comprises a programmable switching matrix configured to programmably distribute any of the plurality of the extended downlink communications service sector sets from the at least one extender splitter to the at least one extender combiner.

11. A communication system supporting expanded, programmable communications services distribution to remote communications service sector areas, comprising:

a central unit configured to distribute downlink communications signals to a plurality of remote antenna units over at least one communications medium; and

each of the plurality of remote antenna units configured to receive downlink communications signals from the central unit over the at least one communications medium, each of the plurality of remote antenna units comprising at least one antenna configured to wirelessly distribute the received downlink communications signals;

the central unit, configured to;

receive a downlink communications signal among a plurality of downlink communications signals, for a communications service among one or more communications services from at least one base station; and

the central unit comprising at least one first programmable switch configured to;

receive the plurality of downlink communications signals; and

switch the plurality of downlink communications signals into one or more downlink communications service sector sets, based on a first programmable configuration for the at least one first programmable switch;

an extender module configured to;

receive the one or more downlink communications service sector sets; and

extend the received one or more downlink communications service sector sets into one or more extended downlink communications service sector sets based on a configuration of the extender module; and

at least one second programmable switch configured to;

receive the one or more extended downlink communications service sector sets; and

switch the received one or more extended downlink communications service sector sets into one or more remote communications service areas each comprised of a subset of the plurality of remote antenna units, based on a second programmable configuration for the at least one second programmable switch,

wherein the extender module comprises;

at least one extender splitter configured to extend the received one or more downlink communications service sector sets by being configured to split the received one or more downlink communications service sector sets into a plurality of the extended downlink communications service sector sets based on the configuration of the extender module; and

at least one extender combiner further configured to extend the received one or more downlink communications service sector sets by being configured to combine the received one or more downlink communications service sector sets into the one or more extended downlink communications service sector sets based on the configuration of the extender module.

12. A communication system supporting expanded, programmable communications services distribution to remote communications service sector areas, comprising:

a central unit configured to distribute downlink communications signals to a plurality of remote antenna units over at least one communications medium; and

each of the plurality of remote antenna units configured to receive downlink communications signals from the central unit over the at least one communications medium, each of the plurality of remote antenna units comprising at least one antenna configured to wirelessly distribute the received downlink communications signals;

the central unit, configured to;

receive a downlink communications signal among a plurality of downlink communications signals, for a communications service among one or more communications services from at least one base station; and

the central unit comprising at least one first programmable switch configured to;

receive the plurality of downlink communications signals; and

switch the plurality of downlink communications signals into one or more downlink communications service sector sets, based on a first programmable configuration for the at least one first programmable switch;

an extender module configured to;

receive the one or more downlink communications service sector sets; and

extend the received one or more downlink communications service sector sets into one or more extended downlink communications service sector sets based on a configuration of the extender module; and

at least one second programmable switch configured to;

receive the one or more extended downlink communications service sector sets; and

switch the received one or more extended downlink communications service sector sets into one or more remote communications service areas each comprised of a subset of the plurality of remote antenna units, based on a second programmable configuration for the at least one second programmable switch, wherein;

the central unit is further configured to receive an uplink communications signal among a plurality of extended uplink communications service sector sets;

the at least one second programmable switch is further configured to;

receive one or more uplink communications signals from at least one remote antenna unit among the plurality of remote antenna units; and

switch the received one or more uplink communications signals into one or more extended uplink communications service sector sets, based on the first programmable configuration for the at least one first programmable switch;

the extender module further configured to;

receive the one or more extended uplink communications service sector sets; and

combine the received one or more extended uplink communications service sector sets into one or more uplink communications service sector sets based on the configuration of the extender module; and

the at least one first programmable switch is further configured to;

receive the one or more uplink communications service sector sets; and

switch the received one or more uplink communications service sector sets into at least one uplink communications signal, based on the second programmable configuration for the at least one second programmable switch.

13. The communication system of claim 12, wherein the at least one second programmable switch comprises:

a second programmable switching matrix configured to;

receive the at least one uplink communications signal; and

switch a selected set of the at least one uplink communications signal into one or more extended uplink communications service sector sets, based on the second programmable configuration for the second programmable switching matrix; and

at least one first radio distribution module configured to;

receive the one or more extended uplink communications service sector sets; and

combine the received one or more extended uplink communications service sector sets to provide the one or more uplink communications service sector sets.

14. The communication system of claim 13, wherein the at least one first programmable switch comprises:

at least one first radio distribution module configured to;

receive the one or more uplink communications service sector sets from the extender module; and

distribute the received one or more uplink communications service sector sets;

a first programmable switching matrix configured to;

receive the one or more uplink communications service sector sets from the at least one first radio distribution module; and

switch the received one or more uplink communications service sector sets into the at least one uplink communications signal, based on the first programmable configuration for the first programmable switching matrix.

15. The communication system of claim 12, wherein the extender module further comprises at least one extender combiner configured to extend the received one or more extended uplink communications service sector sets by being configured to combine the received one or more extended uplink communications service sector sets into the one or more uplink communications service sector sets based on the configuration of the extender module.

16. The communication system of claim 15, wherein:

the at least one second programmable switch is further comprised of a second programmable switch; and

the at least one extender combiner is configured to combine the received one or more extended uplink communications service sector sets from the second programmable switch into one or more uplink communications service sector sets, based on the configuration of the extender module.

17. The communication system of claim 16, wherein:

the at least one first programmable switch is further comprised of a plurality of first programmable switches; and

the at least one extender combiner is further configured to distribute the one or more uplink communications service sector sets to the plurality of first programmable switches, based on the configuration of the extender module.

18. The communication system of claim 12, wherein the extender module further comprises at least one extender splitter configured to split the received one or more extended uplink communications service sector sets by being configured to split the received one or more extended uplink communications service sector sets into the one or more uplink communications service sector sets based on the configuration of the extender module.

19. The communication system of claim 18, wherein:

the at least one second programmable switch is further comprised of a plurality of second programmable switches; and

the at least one extender splitter is configured to split the received one or more extended uplink communications service sector sets from the plurality of second programmable switches into the one or more uplink communications service sector sets, based on the configuration of the extender module.

20. The communication system of claim 19, wherein the plurality of second programmable switches are physically disposed in a respective optical interface module (OIM).

21. The communication system of claim 19, wherein:

the at least one first programmable switch is further comprised of a first programmable switch; and

the at least one extender combiner is further configured to distribute the one or more extended uplink communications service sector sets to the first programmable switch, based on the configuration of the extender module.

22. A communication system supporting expanded, programmable communications services distribution to remote communications service sector areas, comprising:

a central unit configured to distribute downlink communications signals to a plurality of remote antenna units over at least one communications medium; and

each of the plurality of remote antenna units configured to receive downlink communications signals from the central unit over the at least one communications medium, each of the plurality of remote antenna units comprising at least one antenna configured to wirelessly distribute the received downlink communications signals;

the central unit, configured to;

receive a downlink communications signal among a plurality of downlink communications signals, for a communications service among one or more communications services from at least one base station; and

the central unit comprising at least one first programmable switch configured to;

receive the plurality of downlink communications signals; and

switch the plurality of downlink communications signals into one or more downlink communications service sector sets, based on a first programmable configuration for the at least one first programmable switch;

an extender module configured to;

receive the one or more downlink communications service sector sets; and

extend the received one or more downlink communications service sector sets into one or more extended downlink communications service sector sets based on a configuration of the extender module; and

at least one second programmable switch configured to;

receive the one or more extended downlink communications service sector sets; and

switch the received one or more extended downlink communications service sector sets into one or more remote communications service areas each comprised of a subset of the plurality of remote antenna units, based on a second programmable configuration for the at least one second programmable switch,

wherein the one or more communications services are comprised of at least one radio-frequency (RF) communications service and at least one digital data communications service.

23. A communication system supporting expanded, programmable communications services distribution to remote communications service sector areas, comprising:

a central unit configured to distribute downlink communications signals to a plurality of remote antenna units over at least one communications medium; and

each of the plurality of remote antenna units configured to receive downlink communications signals from the central unit over the at least one communications medium, each of the plurality of remote antenna units comprising at least one antenna configured to wirelessly distribute the received downlink communications signals;

the central unit, configured to;

receive a downlink communications signal among a plurality of downlink communications signals, for a communications service among one or more communications services from at least one base station; and

the central unit comprising at least one first programmable switch configured to;

receive the plurality of downlink communications signals; and

switch the plurality of downlink communications signals into one or more downlink communications service sector sets, based on a first programmable configuration for the at least one first programmable switch;

an extender module configured to;

receive the one or more downlink communications service sector sets; and

extend the received one or more downlink communications service sector sets into one or more extended downlink communications service sector sets based on a configuration of the extender module; and

at least one second programmable switch configured to;

receive the one or more extended downlink communications service sector sets; and

switch the received one or more extended downlink communications service sector sets into one or more remote communications service areas each comprised of a subset of the plurality of remote antenna units, based on a second programmable configuration for the at least one second programmable switch,

wherein the central unit is configured to receive the plurality of downlink communications signals from a plurality of base stations for a plurality of communications services.

24. A communication system supporting expanded, programmable communications services distribution to remote communications service sector areas, comprising:

a central unit configured to distribute downlink communications signals to a plurality of remote antenna units over at least one communications medium; and

each of the plurality of remote antenna units configured to receive downlink communications signals from the central unit over the at least one communications medium, each of the plurality of remote antenna units comprising at least one antenna configured to wirelessly distribute the received downlink communications signals;

the central unit, configured to;

receive a downlink communications signal among a plurality of downlink communications signals, for a communications service among one or more communications services from at least one base station; and

the central unit comprising at least one first programmable switch configured to;

receive the plurality of downlink communications signals; and

switch the plurality of downlink communications signals into one or more downlink communications service sector sets, based on a first programmable configuration for the at least one first programmable switch;

an extender module configured to;

receive the one or more downlink communications service sector sets; and

extend the received one or more downlink communications service sector sets into one or more extended downlink communications service sector sets based on a configuration of the extender module; and

at least one second programmable switch configured to;

receive the one or more extended downlink communications service sector sets; and

switch the received one or more extended downlink communications service sector sets into one or more remote communications service areas each comprised of a subset of the plurality of remote antenna units, based on a second programmable configuration for the at least one second programmable switch,

wherein the at least one communications medium is comprised of at least one optical fiber.