Method and apparatus for generating control packet

• US 9,215,740 B2
• Filed: 10/07/2011
• Issued: 12/15/2015
• Est. Priority Date: 10/08/2010
• Status: Expired due to Fees

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Jung, Soo-yeon, Kwon, Hyuk-choon, Jun, Hae-young, Kim, Ho-dong
• Primary Examiner(s): Yao, Kwang B
• Assistant Examiner(s): CHOWDHURY, HARUN UR R
• Application Number:
  US13/269,101
• Publication Number:
  US 20120087278A1
• Time in Patent Office: 1,530 Days
• Field of Search: 370/254, 370/322, 370/342, 370/395.5, 370/432, 370/437, 370/439, 370464-467, 370/208, 370/252, 370/328, 370/329
• US Class Current: 1/1
• CPC Class Codes: H04L 25/0204 of multiple channels
• CPC Class Codes: H04L 27/2647 Arrangements specific to the receiver only equalisation H04L27/01
• CPC Class Codes: H04L 5/006 Quality of the received signal, e.g. BER, SNR, water filling
• CPC Class Codes: H04W 76/15 Setup of multiple wireless link connections

Abstract

A method of generating a control packet by using a first apparatus including a plurality of medium access control (MAC) layers, the method comprising: generating dynamic tone pairing (DTP) reception setup information indicating whether to receive DTP information for each of a plurality of links from a second apparatus; and generating a control packet including the DTP reception setup information.

Claims

1. A method of generating a control packet by a first apparatus which supports dynamic tone pairing (DTP) and which communicates with a second apparatus via a plurality of medium access control (MAC) layers, the method comprising:

generating a control packet including a DTP reception setup information field that enables the second apparatus to determine whether to transmit DTP information for each of the plurality of links or one piece of DTP information for all links to the first apparatus in response to the control packet;

transmitting the generated control packet by the first apparatus to the second apparatus;

receiving the DTP information for each of the plurality of links from the second apparatus in response to the DTP reception setup information field indicating to transmit the DTP information for each of the plurality of links; and

receiving the one piece of DTP information for all the links to the first apparatus from the second apparatus in response to the DTP reception setup information field indicating to transmit the one piece of DTP information.

2. The method of claim 1, wherein if the DTP reception setup information field is set such that the DTP information is to be received for each of the plurality of links, the DTP information generated for each of the plurality of links is received while receiving the DTP information from the second apparatus.

3. The method of claim 1, wherein the DTP reception setup information field includes at least one bit to be interpreted by the second apparatus in determining whether to transmit the DTP information for each of the plurality of links or the one piece of the DTP information for all the links.

4. The method of claim 1, further comprising:

transmitting a DTP information request requesting transmission of the DTP information to the second apparatus for each of the plurality of links and receiving the DTP information from the second apparatus for each of the plurality of links, if the DTP reception setup information is set such that the DTP information is to be received for each of the plurality of links.

5. The method of claim 1, further comprising:

receiving a DTP information request requesting transmission of the DTP information from the second apparatus for each of the plurality of links, if the DTP reception setup information is set such that the DTP information is to be received for each of the plurality of links;

generating the DTP information for each of the plurality of links; and

transmitting the generated DTP information for each of the plurality of links to the second apparatus.

6. The method of claim 5, wherein the DTP information further comprises at least one of first information about a first time when DTP information is transmitted, second information about a second time when the DTP information is generated, and third information about a third time when the DTP information request is received.

7. The method of claim 1, wherein the control packet further comprises beam forming information indicating whether to perform beam forming for each of the plurality of links.

8. The method of claim 1, wherein the control packet further comprises link quality report information indicating whether to receive information about link quality for each of the plurality of links from the second apparatus.

9. A non-transitory computer readable recording medium having embodied thereon a program for executing the method of claim 1.

10. A control packet generating apparatus which supports dynamic tone pairing (DTP) and is connectable to other apparatuses via a plurality of medium access control (MAC) layers, the apparatus comprising:

a computing unit comprising;

an information generator configured to generate a DTP reception setup information field that enables one of the other apparatuses to determine whether to transmit DTP information for each of the plurality of links or one piece of DTP information for all links to the control packet generating apparatus in response to the control packet;

a packet generator configured to generate a control packet including the DTP reception setup information field,

a transmitter configured to transmit the generated control packet to the one of the other apparatuses; and

a receiver configured to receive the DTP information for each of the plurality of links from one of the other apparatuses in response to the DTP reception setup information field indicating to transmit the DTP information for each of the plurality of links, and receive the one piece of DTP information for all the links to the first apparatus from the second apparatus in response to the DTP reception setup information field indicating to transmit the one piece of DTP information.

11. The control packet generating apparatus of claim 10, wherein when the DTP reception setup information field is set such that the DTP information is to be received for each of the plurality of links, the DTP information generated for each of the plurality of links is received while the receiver receives the DTP information from the one of the other apparatuses.

12. The control packet generating apparatus of claim 10, wherein the DTP reception setup information field includes at least one bit to be interpreted by the second apparatus in determining whether to transmit the DTP information for each of the plurality of links or the one piece of the DTP information for all the links.

13. The control packet generating apparatus of claim 11, wherein the transmitter transmits a DTP information request for requesting transmission of the DTP information to the one of the other apparatuses for each of the plurality of links and the receiver receives the DTP information from the other apparatus for each of the plurality of links, when the DTP reception setup information field is set such that the DTP information is to be received for each of the plurality of links.

14. The control packet generating apparatus of claim 10, wherein the receiver receives a DTP information request for requesting transmission of the DTP information from the one of the other apparatuses for each of the plurality of links, when the DTP reception setup information field is set such that the DTP information is to be received for each of the plurality of links;

and

the transmitter transmits the generated DTP information for each of the plurality of links to the other apparatus, when the generator generates the DTP information for each of the plurality of links.

15. The control packet generating apparatus of claim 14, wherein the DTP information further comprises at least one of first information about a first time when the DTP information is transmitted, second information about a second time when the DTP information is generated, and third information about a third time when the DTP information request is received.

16. The control packet generating apparatus of claim 10, wherein the control packet further comprises beam forming information indicating whether to perform beam forming for each of the plurality of links.

17. The control packet generating apparatus of claim 10, wherein the control packet further comprises link quality report information indicating whether to receive information about link quality for each of the plurality of links from the one of the other apparatuses.

18. A method of receiving dynamic tone pairing (DTP) information by using a first device which supports DTP and including a plurality of medium access control (MAC) layers from a second device, the method comprising:

determining whether previously received information about DTP exists;

determining whether information about the DTP is to be received for each of a plurality of links;

receiving the DTP information regarding one of the plurality of MAC layers from the second device;

checking DTP reception setup status to set up a DTP reception setup information field that enables the second device to determine whether to transmit DTP information for each of the plurality of links or one piece of DTP information for all links to the first device in response to a control packet including the DTP reception setup information field;

selectively receiving the DTP information for each of the plurality of links in response to the DTP reception setup information field indicating to transmit the DTP information for each of the plurality of links; and

receiving the one piece of DTP information for all the links in response to the DTP reception setup information field indicating to transmit the one piece of DTP information.

19. The method of claim 18, wherein the receiving the DTP information regarding one of the plurality of MAC layers from the second device comprises:

transmitting to the second device a DTP information request for requesting transmission of the DTP information; and

receiving the DTP information corresponding to the DTP information request from the second device.

20. The method of claim 18, wherein the selective receiving of the DTP information regarding MAC layers other than the one of the plurality of MAC layers comprises:

if the DTP reception setup status is set such that the DTP information is to be received for each of a plurality of links, the MAC layers other than the one of the plurality of MAC layers receive the DTP information generated for each of the plurality of links, and

if the DTP reception setup status is set such that one piece of DTP information is to be received for all MAC layers, the MAC layers other than the one of the plurality of MAC layers do not receive the DTP information.

21. An information receiving apparatus that is mounted in a first device which supports dynamic tone pairing (DTP) and communicates to other devices via a plurality of medium access control (MAC) layers and receives information from a second device, the apparatus comprising:

an information obtaining circuit configured to obtain DTP information regarding one of the plurality of MAC layers from the second device; and

a checking circuit configured to determine whether previously received information about DTP exists, determine whether information about the DTP is to be received for each of a plurality of links; and

check a DTP reception setup status to set up a DTP reception setup information field that enables the second device to determine whether to transmit the DTP information for each of the plurality of links or one piece of DTP information for all links to the first device in response to a control packet including the DTP reception setup information field; and

a control circuit configured to control the receiving circuit to receive the DTP for each of the plurality of links in response to the DTP reception setup information field indicating to transmit the DTP information for each of the plurality of links, and control the receiving circuit to receive the one piece of DTP information for all the links in response to the DTP reception setup information field indicating to transmit the one piece of DTP information.

22. The information receiving apparatus of claim 21, wherein the information obtaining circuit is also configured to transmit a DTP information request for requesting transmission of the DTP information to the second device, and receive the DTP information corresponding to the DTP information request from the second device.

23. The information receiving apparatus of claim 21, wherein the control circuit is configured to control the information obtaining circuit to receive the DTP information generated for each of the plurality of links via MAC layers other than the one of the plurality of MAC layers in response to the DTP reception setup status being set such that the DTP information is to be received for each of the plurality of links, and

wherein the MAC layers, other than the one of the plurality of MAC layers, do not receive the DTP information if the DTP reception setup status is set such that one piece of information about the DTP is to be received for all MAC layers.

24. The information receiving apparatus of claim 21, wherein the control circuit is configured to control the information obtaining circuit such that the rest of the MAC layers do not receive the DTP information if the DTP reception setup status is set such that only one piece of the DTP information is to be received regarding all MAC layers.

25. A method of generating a control packet by a first apparatus which supports dynamic tone pairing (DTP) and which communicates with a second apparatus via a plurality of medium access control (MAC) layers, the method comprising:

generating a control packet including a DTP reception setup information field that enables the second apparatus to determine whether to transmit DTP information for each of the plurality of links or one piece of DTP information for all links to the first apparatus in response to the control packet;

transmitting the generated control packet by the first apparatus to the second apparatus;

and

receiving the DTP information from the second apparatus in response to the control packet,

wherein the DTP reception setup information field includes at least one bit to be interpreted by the second apparatus in determining whether to transmit the DTP information for each of the plurality of links or the one pied piece of the DTP information for all the links.