Granted Patent B2

US 10,652,955 · App. 15/985,442 · Granted May 12, 2020

Inventors: Lance K. Uyehara (San Jose, CA); Boris Golubovic (San Francisco, CA)

Assignee: CommScope Technologies LLC

H04W88/085H04W24/02H04L41/12H04M1/72519H04M1/72522H04W88/02

Abstract

Claims (67)

1. A host unit for use within a distributed antenna system having a plurality of antenna units configured for communicatively coupling with the host unit over communication links, the host unit comprising:

circuitry configured to:

communicate radio access network signals with at least one radio access network node, the radio access network signals including an analog version of a radio frequency signal modulated with at least one of an over-the-air radio access modulation protocol or digital samples corresponding to a radio frequency signal modulated with an over-the-air radio access modulation protocol;

convert between the radio access network signals and respective transport signals;

communicate the transport signals with the plurality of antenna units; and

send management information to the at least one radio access network node, wherein the at least one radio access network node is configured to manage the radio frequency signals based on the management information; and

wherein the plurality of antenna units are configured to convert between the transport signals and the radio frequency signals modulated with the over-the-air radio access modulation protocol, and to wireless communicate with at least one wireless device using radio frequency signals.

2. The host unit of claim 1 , wherein the circuitry is configured to:

receive a request for the management information from the at least one radio access network node, wherein the request is generated by the at least one radio access network node; and

send the management information in response to the request for the management information.

3. The host unit of claim 1 , wherein the radio access network signals are communicated in conformance with the common public radio interface (CPRI) protocol; and

wherein the circuitry is configured to send the management information via a control channel of a CPRI implemented by the host unit.

4. The host unit of claim 1 , wherein the radio access network signals are an analog version of the radio frequency signals; and

wherein the circuitry is configured to receive the request for management information via an out-of-band signal from the radio frequency signals.

5. The host unit of claim 1 , wherein the circuitry is configured to:

send management information to the at least one radio access network node via an auxiliary interface between the host unit and the at least one radio access network node.

6. The host unit of claim 5 , wherein the auxiliary interface is an antenna integrated services group (AISG) interface.

7. The host unit of claim 5 , wherein the auxiliary interface is a universal serial bus (USB) interface or an Ethernet interface.

8. The host unit of claim 1 , wherein the management information includes at least one of a status of the distributed antenna system, performance information related to the distributed antenna system, or configuration information for the distributed antenna system.

9. The host unit of claim 8 , wherein the configuration information includes at least one of:

whether the distributed antenna system is deployed in a star, ring, tree and branch, or daisy-chain topology;

the transmit power level of at least one of the antenna units;

the transmit frequency of at least one of the antenna units;

the receive frequency of at least one of the antenna units;

the transport delay between the host unit and at least one of the antenna units;

the timing of reception;

the timing of transmission;

a location of at least one of the antenna units; and

status and performance information for the distributed antenna system such as a location of a mobile device within range of the distributed antenna system, a measured transmit power of a signal transmitted by an antenna unit, a measured receive power of a signal received at an antenna unit from a mobile device, a power consumption of at least one antenna unit, a temperature of at least one antenna unit, and a health of at least one antenna unit.

10. A host unit for use within a distributed antenna system having a plurality of antenna units configured for communicatively coupling with the host unit over communication links, the host unit comprising:

circuitry configured to:

communicate radio access network signals with at least one radio access network node, the radio access network signals including an analog version of a radio frequency signal modulated with at least one of an over-the-air radio access modulation protocol or digital samples corresponding to a radio frequency signal modulated with an over-the-air radio access modulation protocol;

convert between the radio access network signals and respective transport signals;

communicate the transport signals with the plurality of antenna units; and

receive a command from the at least one radio access network node via an auxiliary interface between the host unit and the at least one radio access network node, wherein the command is generated by the at least one radio access network node;

adjust operation of the distributed antenna system in response to the command; and

wherein the plurality of antenna units are configured to convert between the transport signals and the radio frequency signals modulated with the over-the-air radio access modulation protocol, and to wireless communicate with at least one wireless device using radio frequency signals.

11. The host unit of claim 10 , wherein the radio access network signals are communicated in conformance with the common public radio interface (CPRI) protocol; and

wherein the circuitry is configured to receive the command via a control channel of a CPRI implemented by the host unit.

12. The host unit of claim 10 , wherein the radio access network signals are an analog version of the radio frequency signals; and

wherein the circuitry is configured to receive the command via an out-of-band signal from the radio frequency signals.

13. The host unit of claim 10 , wherein the auxiliary interface is an antenna integrated services group (AISG) interface.

14. The host unit of claim 10 , wherein the auxiliary interface is one of a universal serial bus (USB) interface or an Ethernet interface.

15. The host unit of claim 10 , wherein the command includes at least one of a command to:

enable at least one of the antenna units;

disable at least one of the antenna units;

set a transmission power level of at least one of the antenna units;

select an antenna for use at at least one of the antenna units;

set a transmission frequency of at least one of the antenna units;

set a reception frequency of at least one of the antenna units;

set a transport delay between the at least one radio access network node and at least one of the antenna units, set a timing of transmission;

set a timing of reception, set a location of at least one of the antenna units; and

set a direction for an antenna at at least one of the antenna units.

16. A method for communication between a host unit of a distributed antenna system and an external baseband unit, the method comprising:

communicating radio access network signals between the host unit and at least one radio access network node, the radio access network signals including at least one of an analog version of a radio frequency signal modulated with an over-the-air radio access modulation protocol or digital samples corresponding to a radio frequency signal modulated with an over-the air radio access modulation protocol;

converting between the radio access network signals and respective transport signals at the host unit;

communicating the transport signals between the host unit and the plurality of antenna units, wherein the plurality of antenna units are configured to convert between the transport signals and the radio frequency signals modulated with the over-the-air cellular modulation protocol, and to transmit and receive the radio frequency signals; and

sending management information from the host unit to the at least one radio access network node via an auxiliary interface, wherein the at least one radio access network node is configured to manage the radio frequency signals based on the management information.

17. The method of claim 16 , wherein sending management information from the host note to the at least one radio access network node occurs via an auxiliary interface between the host node and the at least one radio access network node.

18. The method of claim 16 , comprising:

at the host unit, receiving a request for the management information from the at least one radio access network node.

19. A method for communication between a host unit of a distributed antenna system and an external baseband unit, the method comprising:

communicating radio access network signals between the host unit and at least one radio access network node, the radio access network signals including an analog version of a radio frequency signal modulated with an over-the-air radio access modulation protocol or digital samples corresponding to a radio frequency signal modulated with an over-the-air radio access modulation protocol;

converting between radio access network signals and respective transport signals at the host unit;

communicating the transport signals between the host unit and the plurality of antenna units, wherein the plurality of antenna units are configured to convert between the transport signals and the radio frequency signals modulated with the over-the-air cellular modulation protocol and to transmit and receive the radio frequency signals;

receiving a command from the at least one radio access network node at the host unit via an auxiliary interface between the host unit and the at least one radio access network node, wherein the command is generated by the at least one radio access network node; and

adjusting operation of the distributed antenna system in response to the command.

Assignments (15)

Continuity (3)

Cited By (1)

US 50,356