MOBILE COMMUNICATION BASE STATION SYSTEM

• US 20170257465A1
• Filed: 09/17/2014
• Published: 09/07/2017
• Est. Priority Date: 09/15/2014
• Status: Active Grant

• Current Assignee: SOLiD, Inc.
• Original Assignee: SOLiD, Inc.
• Inventors: KIM, Hyunchae
• Granted Patent: US 10,516,766 B2
• Time in Patent Office: Days
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion
• CPC Class Codes: H04L 9/40 Network security protocols
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A base station system includes a main conversion unit configured to receive a first downlink frame conforming to a first protocol and a second downlink frame conforming to a second protocol, and configured to reconstruct the first and second downlink frames to conform to a third protocol and generate a downlink transmit frame; and a radio unit including a remote conversion unit that receives the downlink transmission frame and disassembles the received downlink transmission frame to output at least one of the first and second downlink frames.

Claims

1. A base station system comprising:

a main conversion unit configured to receive a first downlink frame conforming to a first protocol and a second downlink frame conforming to a second protocol, and configured to reconstruct the first and second downlink frames to conform to a third protocol and generate a downlink transmit frame; and

a radio unit including a remote conversion unit that receives the downlink transmission frame and disassembles the received downlink transmission frame to output at least one of the first and second downlink frames.

2. The base station system of claim 1, wherein

the first and second protocols are different closed protocols, and

the third protocol is an open protocol.

3. The base station system of claim 1, wherein

the first downlink frame includes first control information and first data,

the second downlink frame includes second control information and second data, and

the main conversion unit is configured to remove control information from any one of the first and second downlink frames and generate the downlink transmission frame.

4. The base station system of claim 3, wherein the main conversion unit comprises:

a first protocol adaptive transceiver configured to receive the first downlink frame;

a second protocol adaptive transceiver configured to receive the second downlink frame;

a first processor configured to receive the first downlink frame from the first protocol adaptive transceiver, and configured to remove and output the first control information from the first downlink frame or output the first downlink frame intactly;

a second processor configured to receive the second downlink frame from the second protocol adaptive transceiver, and configured to remove and output the second control information from the second downlink frame or output the second downlink frame intactly; and

a main transceiver connected to the first and second processors and configured to reconstruct any one of the first and second control information and the first and second data to conform to the third protocol and generate the downlink transmission frame.

5. The base station system of claim 3, wherein the remote conversion unit comprises:

a remote transceiver configured to receive the downlink transmission frame; and

a remote processor configured to disassemble the received downlink transmission frame to output at least one of the first and second downlink frames.

6. The base station system of claim 5, wherein the radio unit further comprises:

at least one remote radio head configured to receive a downlink frame including control information of the first and second downlink frames from the remote conversion unit.

7. The base station system of claim 6, wherein

the remote radio head is configured to convert data of the received downlink frame into an analog radio frequency signal according to the control information included in the received downlink frame and output the converted analog radio frequency signal.

8. The base station system of claim 5, wherein the radio unit further comprises:

at least one transceiver configured to receive a downlink frame, from which control information has been removed, of the first and second downlink frames from the remote conversion unit.

9. The base station system of claim 8, wherein

the transceiver is configured to convert data of the received downlink frame into an analog radio frequency signal and output the converted analog radio frequency signal.

10. The base station system of claim 1, wherein

the remote conversion unit is configured to output the received downlink transmit frame intactly, and

the radio unit further comprises:

at least one PHY interface configured to receive the downlink transmission frame from the remote conversion unit and configured to transmit the received downlink transmission frame to another radio unit.

11. The base station system of claim 1, further comprising:

a main management server configured to generate radio unit control information for controlling the radio unit, wherein

the main conversion unit further receives radio unit control information for controlling the radio unit from the main management server, and reconstructs the radio unit control information and the first and second downlink frames to conform to the third protocol and generates the downlink transmission frame, and

the remote conversion unit disassembles the downlink transmission frame to further output the radio unit control information.

12. The base station system of claim 11, wherein the radio unit further comprises:

a controller configured to receive the radio unit control information from the remote conversion unit and control the radio unit in response to the radio unit control information.

13. A base station system comprising:

a radio unit having a remote conversion unit configured to digitize analog radio frequency signals received from a plurality of terminals and generate an uplink transmission frame; and

a main conversion unit configured to receive the uplink transmission frame, and configured to disassemble the received uplink transmission frame to generate a first uplink frame conforming to a first protocol and a second uplink frame conforming to a second protocol, wherein

the uplink transmit frame is configured to conform a third protocol.

14. The base station system of claim 13, wherein

the first and second protocols are different closed protocols, and

the third protocol is an open protocol.

15. The base station system of claim 13, wherein the radio unit further comprises:

at least one remote radio head configured to digitize and output data included in some of the analog radio frequency signals together with corresponding control information; and

at least one transceiver configured to digitize and output data included in some other of the analog radio frequency signals.

16. The base station system of claim 15, wherein the remote conversion unit further comprises:

a remote processor configured to generate the uplink transmission frame by combining the digitized data and control information transmitted from the remote radio head and the digitized data transmitted from the transceiver; and

a remote transceiver configured to transmit the uplink transmission frame to the main conversion unit.

17. The base station system of claim 16, wherein the radio unit further comprises:

a controller configured to output state information of the radio unit to the remote processor, wherein

the remote processor is configured to generate the uplink transmission frame by combining the digitized data and control information transmitted from the remote radio head, the digitized data transmitted from the transceiver, and the state information transmitted from the controller.

18. The base station system of claim 13, wherein the radio unit further comprises:

at least one PHY interface configured to receive an uplink transmission frame from another radio unit, wherein

the remote conversion unit is configured to transmit the uplink transmission frame received from the other radio unit to the main conversion unit intactly.

19. The base station system of claim 13, wherein the main conversion unit comprises:

a main transceiver configured to receive the uplink transmission frame and disassemble the received uplink transmission frame;

first and second processors configured to output control information and data corresponding to each other intactly, and configured to add corresponding control information to data having no control information and output the data, respectively;

a first protocol adaptive transceiver connected to the first processor and configured to generate the first uplink frame conforming to the first protocol using control information and data output from the first processor; and

a second protocol adaptive transceiver connected to the second processor and configured to generate the second uplink frame conforming to the second protocol using control information and data output from the second processor.

20. The base station system of claim 19, further comprising:

a main management server configured to generate first processor control information for controlling whether to add control information in the first processor, second processor control information for controlling whether to add control information in the second processor, and the first and second protocol information, wherein

each of the first and second processors is configured to output control information and data corresponding to each other intactly in response to corresponding processor control information of the first and second processor control information, or configured to add corresponding control information to data having no control information and output the data, and

the first protocol adaptive transceiver is configured to generate the first uplink frame based on the first protocol information, and

the second protocol adaptive transceiver is configured to generate the second uplink frame based on the second protocol information.

21. (canceled)