METHOD AND SYSTEM FOR CONFIGURING A FRAME IN A COMMUNICATION SYSTEM

• US 20080205364A1
• Filed: 02/22/2008
• Published: 08/28/2008
• Est. Priority Date: 02/22/2007
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: CHO, Jae-Hee, PARK, Jeong-Ho, KIM, Tae-Young, CHOI, Ho-Kyu, PARK, Dong-Seek, KOO, Jin-Kyu, ROH, Kwan-Hee
• Granted Patent: US 8,644,270 B2
• Time in Patent Office: Days
• US Class Current: 370/338
• CPC Class Codes: H04B 7/2656 for structure of frame, burst
• CPC Class Codes: H04L 27/2601 Multicarrier modulation systems
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/003 Arrangements for allocating sub-channels of the transmission path
• CPC Class Codes: H04L 5/0037 Inter-user or inter-terminal allocation

Abstract

A method and system for configuring a frame in a communication system is provided. The method includes determining a number of frames for configuring one multi-frame, wherein the number is at least two, and configuring each of the determined number of frames, wherein the determined number of frames include a first frame and a second frame temporally discriminated from each other, each of the determined number of frames includes a downlink sub-frame and an uplink sub-frame, a downlink sub-frame of the first frame includes a first area for transmitting a reference signal used for an acquisition of synchronization between a base station and a mobile station, a second area including system information and common control information related to the multi-frame, a third area including modulation scheme information and allocation information of data bursts, a fourth area to which a downlink data burst is allocated in a diversity mode and a fifth area to which a downlink data burst is allocated in a band Adaptive Modulation and Coding (AMC) mode, and a downlink sub-frame of the second frame includes a sixth area including modulation scheme information and allocation information of data bursts, a seventh area to which a data burst is allocated in a diversity mode, and an eighth area to which a data burst is allocated in an AMC mode.

Claims

1. A method for a multi-frame configuration in a communication system, the method comprising:

determining a number of frames for configuring one multi-frame, wherein the number is at least two; and

configuring frames according to the determined number of frames,

wherein a first frame is temporally discriminated from a second frame,

each frame comprises a downlink sub-frame and an uplink sub-frame,

a downlink sub-frame of the first frame comprises a first area for transmitting a reference signal used for an acquisition of synchronization between a base station and a mobile station, a second area including system information and common control information related to the multi-frame, a third area including modulation scheme information and allocation information of data bursts, a fourth area to which a downlink data burst is allocated in a diversity mode and a fifth area to which a downlink data burst is allocated in a band Adaptive Modulation and Coding (AMC) mode, and

a downlink sub-frame of the second frame comprises a sixth area including modulation scheme information and allocation information of data bursts, a seventh area to which a data burst is allocated in a diversity mode, and an eighth area to which a data burst is allocated in an AMC mode.

2. The method of claim 1, wherein the downlink sub-frame of the first frame comprises a ninth and the downlink sub-frame of the second frame comprises a tenth area, each for transmitting each mid-amble signal.

3. The method of claim 1, wherein the multi-frame comprises eight frames, each of which has a length of substantially 2.5 ms.

4. The method of claim 1, wherein the multi-frame comprises four frames, each of which has a length of substantially 5 ms.

5. The method of claim 1, wherein an uplink sub-frame of the first frame comprises an eleventh area for uplink control, a twelfth area to which an uplink data burst is allocated in a Multiple Input Multiple Output (MIMO) mode, a thirteenth area to which an uplink data burst is allocated in a diversity mode and a fourteenth area to which an uplink data burst is allocated in a band AMC mode.

6. The method of claim 1, wherein an uplink sub-frame of the second frame comprises an fifteenth area for uplink control, a sixteenth area to which an uplink data burst is allocated in a MIMO mode, a seventeenth area to which an uplink data burst is allocated in a diversity mode and an eighteenth area to which an uplink data burst is allocated in a band AMC mode.

7. The method of claim 6, wherein the uplink sub-frame of the second frame further comprises a nineteenth area to which an uplink data burst is allocated in an entire frequency band according to a diversity Single-Input Single-Output (SISO) mode.

8. The method of claim 1, wherein the fourth area is discriminated from the fifth area by their frequency bands.

9. A communication system comprising:

a base station for determining a number of frames to configure one multi-frame, and for configuring according to the determined number of frames,

wherein the determined number is at least two,

a first frame is temporally discriminated from a second frame,

each frame comprises a downlink sub-frame and an uplink sub-frame,

a downlink sub-frame of the first frame comprises a first area for transmitting a reference signal used for an acquisition of synchronization between the base station and a mobile station, a second area including system information and common control information related to the multi-frame, a third area including modulation scheme information and allocation information of data bursts, a fourth area to which a downlink data burst is allocated in a diversity mode and a fifth area to which a downlink data burst is allocated in a band AMC mode, and

a downlink sub-frame of the second frame comprises a sixth area including modulation scheme information and allocation information of data bursts, a seventh area to which a data burst is allocated in a diversity mode and an eighth area to which a data burst is allocated in an AMC mode.

10. The system of claim 9, wherein the downlink sub-frame of the first frame comprises a ninth and the downlink sub-frame of the second frame comprises a tenth area, each for transmitting each mid-amble signal.

11. The system of claim 9, wherein the multi-frame comprises eight frames, each of which has a length of substantially 2.5 ms.

12. The system of claim 9, wherein the multi-frame comprises four frames, each of which has a length of substantially 5 ms.

13. The system of claim 9, wherein an uplink sub-frame of the first frame comprises an eleventh area for uplink control, a twelfth area to which an uplink data burst is allocated in a MIMO mode, a thirteenth area to which an uplink data burst is allocated in a diversity mode and a fourteenth area to which an uplink data burst is allocated in a band AMC mode.

14. The system of claim 9, wherein an uplink sub-frame of the second frame comprises an fifteenth area for uplink control, a sixteenth area to which an uplink data burst is allocated in a MIMO mode, a seventeenth area to which an uplink data burst is allocated in a diversity mode and an eighteenth area to which an uplink data burst is allocated in a band AMC mode.

15. The system of claim 14, wherein the uplink sub-frame of the second frame further comprises a nineteenth area to which an uplink data burst is allocated in an entire frequency band according to a diversity SISO mode.

16. The system of claim 9, the fourth area is discriminated from the fifth area by their frequency bands.

17. A method for transmitting a signal according to frame configuration by a base station in a communication system, the method comprising:

transmitting a preamble signal by using a resource of a first area, wherein a multi-frame comprises at least two frames, each of which comprises a downlink sub-frame and an uplink sub-frame, the downlink sub-frame comprises the first area, a second area, a third area, and a fourth area, and the uplink sub-frame comprises a fifth area and a sixth area;

transmitting common control information related to the multi-frame by using a resource of the second area;

transmitting at least one downlink data burst in a diversity mode by using a resource of the third area;

transmitting at least one downlink data burst in a band AMC mode by using a resource of the fourth area;

appointing at least one uplink data burst to be transmitted by a mobile station in the diversity mode by using a resource of the fifth area; and

appointing at least one uplink data burst to be transmitted by the mobile station in the band AMC mode by using a resource of the sixth area.

18. The method of claim 17, wherein the fourth area is discriminated from the fifth area by their frequency bands.

19. The method of claim 17, wherein the preamble signal and the common control information are transmitted once for each multi-frame.

20. The method of claim 17, wherein the multi-frame comprises eight frames, each of which has a length of substantially 2.5 ms.

21. The method of claim 17, wherein the multi-frame comprises four frames, each of which has a length of substantially 5 ms.

22. The method of claim 17, further comprising transmitting a mid-amble by using a resource of a seventh area, wherein the downlink sub-frame further comprises the seventh area.

23. The method of claim 17, further comprising transmitting a downlink data burst in a diversity SISO mode by using a resource of an eighth area by the base station in a frame comprising a downlink sub-frame that does not include the first area and the second area, from among the at least two frames included in the multi-frame, wherein the downlink sub-frame further comprises the eighth area.

24. The method of claim 17, further comprising a step of transmitting MAP information by using a resource of a ninth area, wherein the downlink sub-frame further comprises the ninth area.