Granted Patent B2

US 9,585,193 · App. 13/335,128 · Granted Feb 28, 2017

Abstract

Claims (126)

1. A distributed antenna system, comprising:

a host unit that includes:

a first interface configured to communicate RF signals with an Internet Protocol (IP) gateway as IP data;

a second interface configured to communicate protocol data comprising open base station architecture (OBSAI) protocol data or common public radio interface (CPRI) protocol data;

a baseband processor configured to place the IP data onto a channel, the baseband processor configured to convert between IP data and baseband, digital data;

an RF module coupled to a base station and configured to convert between RF signals configured for communication over an antenna and RF sampled data;

a serializer/deserializer, coupled to the baseband processor, the second interface, and the RF module, the serializer/deserializer configured to convert between the baseband, digital data and a first serial data stream, wherein the serializer/deserializer of the host unit is further configured to convert between the RF sampled data and a second serial data stream, wherein the serializer/deserializer is further configured to convert between the protocol data and a third serial data stream;

a remote unit, coupled to the host unit over the communication medium, the remote unit including:

a serializer/deserializer, coupled to the communication medium, the serializer/deserializer configured to convert between the first serial data stream and RF sampled data, wherein the serializer/deserializer is further configured to convert between the second serial data stream and RF sampled data, wherein the serializer/deserializer is further configured to convert between the third serial data stream and RF sampled data;

an RF module, coupled to the serializer/deserializer, the RF module configured to convert between the RF sampled data and an RF signal; and

an antenna coupled to the RF module.

2. The distributed antenna system of claim 1 , wherein the serializer/deserializer of the host unit is coupled to the IP gateway and is further configured to convert between IP data and a fourth serial data stream;

wherein the serializer/deserializer of the remote unit is further configured to convert between the fourth serial data stream and IP data;

wherein the remote unit includes a baseband processor, coupled to the serializer/deserializer of the remote unit, the baseband processor configured to convert between IP data and baseband, digital data, wherein the serializer/deserializer of the remote unit is further configured to convert between the baseband, digital data and RF sampled data.

3. A remote unit of a distributed antenna system, the remote unit comprising:

a serial interface configured to receive a serial data stream from a host unit over a communication medium, wherein the serial data stream includes first serial data corresponding to Internet Protocol (IP) data and second serial data corresponding to baseband, digital data or RF sampled data;

a multiplex module configured to multiplex and demultiplex between the serial data stream and the first and second serial data;

a serializer/deserializer, coupled to the multiplex module, the serializer/deserializer configured to convert between the first serial data stream and IP data, wherein the serializer/deserializer of the remote unit is further configured to convert between the second serial data and RF sampled data;

a baseband processor, coupled to the serializer/deserializer, the baseband processor is configured to place the IP data onto a channel, the baseband processor configured to convert between IP data and baseband, digital data;

wherein the serializer/deserializer is further configured to convert between the baseband, digital data and RF sampled data; and

an RF module, coupled to the serializer/deserializer, the RF module configured to convert between the RF sampled data and an RF signal.

4. The remote unit of claim 3 , wherein the RF module is a first RF module, the first RF module configured to communicate with mobile devices using a first frequency band;

wherein the remote unit includes a second RF module, coupled to the serializer/deserializer, the second RF module configured to convert between RF sampled data and an RF signal, wherein the second RF module is configured to communicate with mobile devices using a second frequency band; and

wherein the serializer/deserializer is configured to communicate RF sampled data corresponding to the first data stream with the first RF module and to communicate RF sampled data corresponding to the second data stream with the second RF module.

5. A method for transporting RF communications, the method comprising:

receiving a first RF signal at a host unit as first internet protocol (IP) data;

converting the first IP data to a first baseband, digital signal using baseband processing to place the IP data onto a channel;

converting the first baseband, digital signal to a first serial data stream;

receiving a second RF signal at the host unit as a signal configured for communication over an antenna;

converting the second RF signal to a second serial data stream;

receiving protocol data at the host unit as open base station architecture (OBSAI) protocol data or common public radio interface (CPRI) protocol data;

converting the protocol data to a third serial data stream;

multiplexing the third serial data stream with the second serial data stream and the first serial data stream;

transporting the first serial data stream to a remote unit;

transporting the second serial data stream to the remote unit;

transporting the third serial data stream to the remote unit;

demultiplexing the third serial data stream from the second serial data stream and the first serial data stream;

converting the first serial data stream to a third RF signal;

converting the second serial data stream to a fourth RF signal;

converting the third serial data stream to a fifth RF signal;

transmitting the third RF signal at the remote unit;

transmitting the fourth RF signal at the remote unit; and

transmitting the fifth RF signal at the remote unit.

6. The method of claim 5 , comprising:

receiving a sixth RF signal at the host unit as second IP data;

converting the second IP data to a fourth serial data stream;

multiplexing the fourth serial data stream with the first serial data stream;

transporting the fourth serial data stream to the remote unit;

demultiplexing the fourth serial data stream from the first serial data stream;

generating a second baseband, digital signal from the fourth serial data stream at the remote unit using baseband processing to place the second IP data onto a channel;

converting the second baseband, digital signal to a sixth RF signal; and

transmitting the sixth RF signal at the remote unit.

7. A method for transporting RF communications, the method comprising:

receiving a first RF signal at a host unit as first internet protocol (IP) data;

converting the first IP data to a first serial data stream;

receiving a second RF signal at the host unit as a signal configured for communication over an antenna;

converting the second RF signal to a second serial data stream;

multiplexing the second serial data stream with the first serial data stream;

transporting the first serial data stream to a remote unit;

transporting the second serial data stream to the remote unit;

demultiplexing the second serial data stream from the first serial data stream;

generating a first baseband, digital signal from the first serial data stream at the remote unit using baseband processing to place the IP data onto a channel;

converting the first baseband, digital signal to a third RF signal;

converting the second serial data stream to a fourth RF signal;

transmitting the third RF signal at the remote unit; and

transmitting the fourth RF signal at the remote unit.

8. The method of claim 7 , comprising:

receiving a fifth RF signal at the host unit as second internet protocol (IP) data;

generating a second baseband, digital signal from the second IP data;

converting the second baseband, digital signal to a third serial data stream;

multiplexing the third serial data stream with the first serial data stream;

transporting the third serial data stream to the remote unit;

demultiplexing the third serial data stream from the first serial data stream;

converting the third serial data stream to a sixth RF signal; and

transmitting the sixth RF signal at the remote unit.

9. A distributed antenna system, comprising:

a host unit that includes:

a first interface configured to communicate RF signals with an Internet Protocol (IP) gateway as IP data;

a second interface configured to communicate protocol data comprising open base station architecture (OBSAI) protocol data or common public radio interface (CPRI) protocol data;

a baseband processor configured to place the IP data onto a channel, the baseband processor configured to convert between IP data and baseband, digital data;

an RF module configured to communicate with a base station using RF signals configured for communication over an antenna, the RF module configured to convert between the RF signals configured for communication over an antenna and RF sampled data;

a serializer/deserializer coupled to the RF module and the baseband processor, the serializer/deserializer configured to convert between the RF sampled data and first serial data and configured to convert between the baseband, digital data and second serial data, the serializer/deserializer further configured to convert between the protocol data and third serial data; and

a multiplex module coupled to the serializer/deserializer, the multiplex module configured to multiplex the first serial data, the second serial data, and the third serial data into a high speed serial data stream and to demultiplex a high speed serial data stream into the first serial data, the second serial data, and the third serial data;

a remote unit, coupled to the host unit over a communication medium, the remote unit configured to convert the high speed serial data stream into one or more RF signals.

10. The distributed antenna system of claim 9 , wherein the remote unit includes:

a multiplex module configured to demultiplex the high speed serial data stream into the first serial data and the second serial data and to multiplex the first serial data and the second serial data into a high speed serial data stream;

a serializer/deserializer coupled to the multiplex module, the serializer/deserializer configured to convert between the first serial data and first RF sampled data;

an RF module coupled to the serializer/deserializer and configured to convert between the first RF sampled data and an RF signal for communication over an antenna; and

an antenna coupled to the RF module.

11. The distributed antenna system of claim 10 , wherein the serializer/deserializer of the remote unit is configured to convert between the second serial data and second RF sampled data;

wherein the remote unit includes:

another RF module coupled to the serializer/deserializer and configured to convert between the second RF sampled data and an RF signal for communication over the antenna.

12. The distributed antenna system of claim 9 , wherein the host unit is configured to communicate with a base station using signals corresponding to one of the OBSAI protocol or the CPRI protocol and the serializer/deserializer of the host unit is configured to convert between signals corresponding to one of the OBSAI protocol or the CPRI protocol and fourth serial data.

13. A host unit of a distributed antenna system comprising:

a first interface configured to communicate RF signals with an Internet Protocol (IP) gateway as IP data;

an second interface configured to communicate protocol data comprising open base station architecture (OBSAI) protocol data or common public radio interface (CPRI) protocol data;

a baseband processor configured to place the IP data onto a channel, the baseband processor configured to convert between IP data and baseband, digital data;

an RF module configured to communicate with a base station using RF signals configured for communication over an antenna, the RF module configured to convert between the RF signals configured for communication over an antenna and RF sampled data;

a serializer/deserializer coupled to the RF module and the baseband processor, the serializer/deserializer configured to convert between the RF sampled data and first serial data and configured to convert between the baseband, digital data and second serial data, the serializer/deserializer further configured to convert between the protocol data and third serial data;

a multiplex module coupled to the serializer/deserializer, the multiplex module configured to multiplex the first serial data, the second serial data, and the third serial data into a high speed serial data stream for transmission over a communication medium and to demultiplex a high speed serial data stream from the communication medium into the first serial data, the second serial data, and the third serial data.

14. The host unit of claim 13 , wherein the serializer/deserializer is configured to communicate with a base station using signals corresponding to one of the OBSAI protocol or the CPRI protocol and the serializer/deserializer is configured to convert between signals corresponding to one of the OBSAI protocol or the CPRI protocol and fourth serial data.

15. A method for transporting RF communications, the method comprising:

receiving a first RF signal from a base station at a host unit, the first RF signal configured for transmission from an antenna;

receiving a first baseband, digital signal at a host unit comprising open base station architecture (OBSAI) protocol data or common public radio interface (CPRI) protocol data;

receiving first internet protocol (IP) data at a host unit from an IP gateway;

generating a second baseband, digital signal from the first IP data using baseband processing to place the first IP data onto a channel;

converting the first RF signal to first serial data;

converting the first baseband, digital signal to second serial data;

converting the second baseband, digital signal to third serial data;

multiplexing the first serial data with the second serial data and the third serial data to form a high speed serial data stream;

transporting the high speed serial data stream to one or more remote units;

demultiplexing the high speed serial data stream to obtain the first serial data and the second serial data and the third serial data;

converting the first serial data to a second RF signal;

transmitting the second RF signal at the one or more remote units;

converting the second serial data to a third RF signal; and

transmitting the third RF signal at the one or more remote units;

converting the third serial data to a fourth RF signal; and

transmitting the fourth RF signal at the one or more remote units.

16. The method of claim 15 , comprising:

receiving a fifth RF signal at a host unit from an IP gateway, the fifth RF signal including second IP data;

converting the second IP data to fourth serial data;

multiplexing the fourth serial data with the first and second serial data to form the high speed serial data stream;

demultiplexing the high speed serial data stream to obtain the fourth serial data;

generating a third baseband, digital signal from the fourth serial data at the remote unit using baseband processing to place the third IP data onto a channel;

converting the third baseband, digital data to a sixth RF signal; and

transmitting the sixth RF signal at the one or more remote units.

Assignments (21)