Method and apparatus for beamforming in wireless communication system

• US 9,750,027 B2
• Filed: 05/03/2013
• Issued: 08/29/2017
• Est. Priority Date: 05/04/2012
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd. (Samsung Group)
• Original Assignee: Samsung Electronics Co. Ltd. (Samsung Group)
• Inventors: Kim, Tae-Young, Seol, Ji-Yun, Yu, Hyun-Kyu, Jeong, Su-Ryong
• Primary Examiner(s): TALUKDER, MD K
• Application Number:
  US13/887,104
• Publication Number:
  US 20130295852A1
• Time in Patent Office: 1,579 Days
• Field of Search: 455 634, 455450, 455 25
• CPC Class Codes: H01Q 3/26 varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture H01Q3/12, H01Q3/22, H01Q3/24 take precedence
• CPC Class Codes: H04B 7/0413 MIMO systems
• CPC Class Codes: H04B 7/0617 for beam forming
• CPC Class Codes: H04L 5/0025 Spatial division following the spatial signature of the channel
• CPC Class Codes: H04L 5/0044 allocation of payload
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04W 16/28 using beam steering
• CPC Class Codes: H04W 72/046 the resource being in the space domain, e.g. beams

Abstract

A method and an apparatus for operating a transmitter in a millimeter wave communication system is provided. In the method, information of a common and/or control channel is mapped to a dedicated frequency region of a dedicated Radio Frequency (RF) path. Data is mapped to a common frequency region for a common RF path.

Claims

1. A method for operating a transmitter in a wireless communication system, the method comprising:

mapping control channel information to a first frequency region;

mapping data to a second frequency region; and

transmitting the mapped control channel information and the mapped data to a receiver, wherein the mapped control channel information on the first frequency region is transmitted through a dedicated radio frequency (RF) path via a plurality of transmission beams, and wherein the mapped data on the second frequency region is transmitted through a common RF path via at least one of the plurality of transmission beams, wherein the dedicated RF path comprises a dedicated path for processing a signal regarding the control channel information in the transmitter, and

wherein the common RF path comprises a common path for processing a signal regarding the data in the transmitter.

2. The method of claim 1, further comprising:

mapping a reference signal to third frequency region, wherein the third frequency region is included in the first frequency region, and wherein the reference signal comprises information associated with a state of one or more of the plurality of transmission beams.

3. The method of claim 1, further comprising:

mapping periodic information to the first frequency region when the periodic information comprises a size that is less than a threshold.

4. The method of claim 1, wherein the at least one of the plurality of transmission beams is selected by a beam selection procedure between the transmitter and the receiver.

5. An apparatus of a transmitter in a wireless communication system, the apparatus comprising:

a transceiver; and

a controller operatively coupled to the transceiver, wherein the controller is configured to map control channel information to a first frequency region, and map data to a second frequency region, wherein the transceiver is configured to transmit the mapped control channel information and the mapped data to a receiver, wherein the mapped control channel information on the first frequency region is transmitted through a dedicated radio frequency (RF) path via a plurality of transmission beams, and wherein the mapped data on the second frequency region is transmitted through a common RF path via at least one of the plurality of transmission beams, wherein the dedicated RF path comprises a dedicated path for processing a signal regarding the control channel information in the transmitter, and

wherein the common RF path comprises a common path for processing a signal regarding the data in the transmitter.

6. The apparatus of claim 5, wherein the controller is further configured to map a reference signal to a third frequency region, wherein the third frequency region is included in the first frequency region, and wherein the reference signal comprises information associated with a state of one or more of the plurality of transmission beams.

7. The apparatus of claim 5, wherein the controller is further configured to map periodic information to the first frequency region when the periodic information comprises a size that is less than a threshold.

8. The apparatus of claim 5, wherein the at least one of the plurality of transmission beams is selected by a beam selection procedure between the transmitter and the receiver.

9. A method for operating a receiver in a wireless communication system, the method comprising:

receiving control channel information via a first frequency region; and

receiving data via a second frequency region, wherein the control channel information on the first frequency region is transmitted, by a transmitter, through a dedicated radio frequency (RF) path via a plurality of transmission beams, and wherein the data on the second frequency region is transmitted, by the transmitter, through a common RF path via plurality of transmission beams, wherein the dedicated RF path comprises a dedicated path for processing a signal regarding the control channel information in the receiver, and

wherein the common RF path comprises a common path for processing a signal regarding the data in the receiver.

10. The method of claim 9, further comprising:

receiving a reference signal via a third frequency region included in the first frequency region, wherein the reference signal comprises information associated with a state of one or more of the plurality of transmission beams.

11. The method of claim 9, further comprising:

obtaining periodic information via the first frequency region when the periodic information comprises a size that is less than a threshold.

12. The method of claim 9, wherein the at least one of the plurality of transmission beams is selected by a beam selection procedure between the transmitter and the receiver.

13. An apparatus of a receiver in a wireless communication system, the apparatus comprising:

a transceiver configured to receive a signal from a transmitter; and

a controller operatively coupled to the transceiver, wherein the controller is configured to receive control channel information via a first frequency region, and receive data via a second frequency region, wherein the control channel information on the first frequency region is transmitted through a dedicated radio frequency (RF) path via a plurality of transmission beams, and wherein the data on the second frequency region is transmitted through a common RF path via at least one of the plurality of transmission beams, wherein the dedicated RF path comprises a dedicated path for processing a signal regarding the control channel information in the receiver, and

wherein the common RF path comprises a common path for processing a signal regarding the data in the receiver.

14. The apparatus of claim 13, wherein the controller is further configured to receive a reference signal via a third frequency region included in the first frequency region, wherein the reference signal comprises information associated with a state of one or more of the plurality of transmission beams.

15. The apparatus of claim 13, wherein the controller is further configured to obtain periodic information via the first frequency region when the periodic information comprises a size that is less than a threshold.

16. The apparatus of claim 13, wherein the at least one of the plurality of transmission beams is selected by a beam selection procedure between the transmitter and the receiver.