METHOD AND APPARATUS FOR SUPPORTING MULTI-RADIO ACCESS TECHNOLOGY

• US 20160095108A1
• Filed: 09/22/2015
• Published: 03/31/2016
• Est. Priority Date: 09/26/2014
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: BAE, Beomsik, KIM, Daegyun, JUNG, Jungsoo, RYOO, Sunheui, ROH, Wonil, CHEUN, Kyunghoon
• Granted Patent: US 10,631,287 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0032 Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
• CPC Class Codes: H04W 72/27 between access points
• CPC Class Codes: H04W 76/15 Setup of multiple wireless link connections
• CPC Class Codes: H04W 84/045 using private Base Stations, e.g. femto Base Stations, home Node B

Abstract

The present disclosure relates to a pre-5^th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4^th-Generation (4G) communication system such as Long Term Evolution (LTE). A communication method and an apparatus for efficiently supporting a multi-radio access network (multi-RAN) within a wireless communication system are provided. The communication method of a second base station in a network using first wireless communication and second wireless communication includes receiving first information from a first base station via a first wireless communication link, receiving second information in a communication link which differs from the first wireless communication link, identifying control information to be transmitted via a second wireless communication link based on the first information, and identifying data to be transmitted via the second wireless communication link based on the second information, and transmitting the control information and the data via the second wireless communication.

Claims

1. A communication method of a second base station in a network using first wireless communication and second wireless communication, the communication method comprising:

receiving first information from a first base station via a first wireless communication link;

receiving second information in a communication link which differs from the first wireless communication link;

identifying control information to be transmitted via a second wireless communication link based on the first information, and identifying data to be transmitted via the second wireless communication link based on the second information; and

transmitting the control information and the data via the second wireless communication.

2. The method of claim 1,

wherein the first information is received by using a mobile communication technology that the first base station provides to a serving terminal of the first base station, and

wherein the second information is received from the Internet or a service provider'"'"'s core network via a wired interface connected to the second base station or in a communication mode which differs from the first wireless communication link.

3. The method of claim 1,

wherein the first wireless communication link comprises a cellular communication mode including long term evolution (LTE) communication to a macro base station, and

wherein the second wireless communication link comprises a transmission mode to a small cell base station or a macro cell base station which differs from a base station using the first wireless communication link.

4. The method of claim 1,

wherein the second base station comprises a communication module for supporting the first wireless communication link to receive the first information via the first wireless communication link, and

wherein the method further comprises:

identifying whether the communication module is a terminal included in the second base station.

5. The method of claim 1, wherein the reception of the first information comprises:

receiving the first information in internet protocol (IP) packets via the first wireless communication link.

6. The method of claim 1, further comprising:

setting up a new logical bearer for receiving the first information between the first base station and the second base station,

wherein the second base station comprises a long term evolution-user equipment (LTE-UE) for receiving the first information via the first wireless communication link, and

wherein the LTE-UE comprises a new protocol stack above a radio resource control (RRC) or packet data convergence protocol (PDCP) layer.

7. The method of claim 6,

wherein the first information comprises an Xs header and Xs payload below an RRC header of an RRC message, and

wherein the logical bearer comprises signaling radio bearer 3 (SRB 3) or special-data radio bearer (S-DRB).

8. The method of claim 4, wherein the identifying of whether the communication module is a terminal included in the second base station comprises:

receiving a terminal capability inquiry message from the first base station; and

transmitting the terminal capability response message to the first base station,

wherein the terminal capability response message comprises identification information indicating whether the communication module is a terminal included in the second base station.

9. The method of claim 4, wherein identifying of whether the communication module is a terminal included in the second base station comprises:

identifying whether the communication module is a terminal included in the second base station based on terminal subscription information stored in a home subscriber server (HSS).

10. The method of claim 1,

wherein the first information is transmitted via a semi persistent scheduling (SPS) mode, and a transmit power control (TPC) is determined based on a long term evolution-user equipment (LTE-UE) included in the second base station, and

wherein a duty cycle and a transmission period of the SPS is determined based on control traffic of the LTE-UE.

11. A second base station of a network using first wireless communication link and second wireless communication link, the second base station comprising:

a first radio communication unit;

a second radio communication unit; and

a controller configured to;

receive first information from a first base station via first wireless communication link,

receive second information in a communication link which differs from the first wireless communication link,

identify control information to be transmitted via a second wireless communication link based on the first information, and data to be transmitted via the second wireless communication link based on the second information, and

transmit the control information and the data via the second wireless communication link.

12. The second base station of claim 11,

wherein the first information is received by using a mobile communication technology that the first base station provides to a serving terminal of the first base station, and

wherein the second information is received from the Internet or a service provider'"'"'s core network via a wired interface connected to the second base station or in a communication which differs from the first wireless communication link.

13. The second base station of claim 11,

wherein the first wireless communication link comprises a cellular communication mode including long term evolution (LTE) communication to a macro base station, and

wherein the second wireless communication link comprises a transmission mode to a small cell base station or a macro cell base station which differs from a base station using the first wireless communication link.

14. The second base station of claim 11, further comprising a communication module configured to support the first wireless communication link to receive the first information via the first wireless communication link, and

wherein the controller is further configured to identify whether the communication module is a terminal included in the second base station.

15. The second base station of claim 11, wherein the first information is received in internet protocol (IP) packets via the first wireless communication link.

16. The second base station of claim 11,

wherein the controller is further configured to set up a new logical bearer for receiving the first information between the first base station and the second base station,

wherein the second base station comprises a long term evolution-user equipment (LTE-UE) for receiving the first information via the first wireless communication link, and

wherein the LTE-UE comprises a new protocol stack above a radio resource control (RRC) or packet data convergence protocol (PDCP) layer.

17. The second base station of claim 16,

wherein the first information comprises an Xs header and Xs payload below an RRC header of an RRC message, and

wherein the logical bearer comprises signaling radio bearer 3 (SRB 3) or special-data radio bearer (S-DRB).

18. The second base station of claim 14,

wherein the controller is further configured to:

receive a terminal capability inquiry message from the first base station, and

transmit the terminal capability response message to the first base station, and

wherein the terminal capability response message comprises identification information indicating whether the communication module is a terminal included in the second base station.

19. The second base station of claim 14, wherein the controller is further configured to identify whether the communication module is a terminal included in the second base station based on terminal subscription information stored in a home subscriber server (HSS).

20. The second base station of claim 11,

wherein the first information is transmitted via a semi persistent scheduling (SPS) mode, and a transmit power control (TPC) is determined based on a long term evolution-user equipment (LTE-UE) included in the second base station, and

wherein a duty cycle and a transmission period of the SPS is determined based on control traffic of the LTE-UE.

21. A communication method of a first base station in a network using first wireless communication link and second wireless communication link, the communication method comprising:

receiving first information;

identifying whether the first information is a control information to be transmitted from a second base station; and

transmitting, when the first information is the control information, the first information to the second base station via the first wireless communication link,

wherein the first information corresponds to second information, and

wherein the second information is received by the second base station via a communication link which differs from the first wireless communication link.

22. A first base station of a network using first wireless communication link and second wireless communication link, the first base station comprising:

a communication unit; and

a controller configured to;

receive first information,

identify whether the first information is control information to be transmitted from a second base station, and

transmit, when the first information is the control information, the first information to the second base station via the first wireless communication link,

wherein the first information corresponds to second information, and

wherein the second information is received by the second base station via a communication link which differs from the first wireless communication link.