Transmission control device, transmission control method, reception control device, and reception control method

Patent metadata

Field	Value
Publication number	US-11388102-B2
Application number	US-202017033947-A
Country	US
Kind code	B2
Filing date	Sep 28, 2020
Priority date	May 8, 2015
Publication date	Jul 12, 2022
Grant date	Jul 12, 2022

Abstract

[Object] To provide a technology capable of performing processing on desired data in the reception-side communication device, even in the case in which a sequence number space is shared among a plurality of pieces of data transmitted from the transmission-side communication device.[Solution] Provided is a transmission control device including: a communication control unit that controls transmission of a plurality of pieces of data including respective sequence numbers; and a data generation unit that generates, as information indicating one or a plurality of pieces of data to be processed in a reception device among the plurality of pieces of data, number information indicating the sequence numbers included in the one or plurality of pieces of data to be processed. The communication control unit controls transmission of the number information to the reception device.

First claim

The invention claimed is:

1. A transmission control device comprising one or more circuits configured to:
control transmission of a plurality of pieces of data including respective sequence numbers; and
generate flush information indicating one or a plurality of the sequence numbers included in one or a plurality of pieces of data to be flushed in a reception device among the plurality of pieces of data,
wherein the one or more circuits are configured to control transmission of a frame, and the frame comprises the flush information.

2. The transmission control device according to claim 1 , wherein
the frame is a management frame.

3. The transmission control device according to claim 1 , wherein
the frame is a beacon frame.

4. The transmission control device according to claim 1 , wherein
the frame is an aggregated MAC Protocol Data Unit (A-MPDU) subframe and a flush control header is added to a front or to an end of the A-MPDU subframe.

5. A transmission control method comprising:
controlling transmission of a plurality of pieces of data including respective sequence numbers;
generating flush information indicating one or a plurality of the sequence numbers included in one or a plurality of pieces of data to be flushed in a reception device among the plurality of pieces of data; and
controlling transmission of a frame,
wherein the frame comprises the flush information.

6. The transmission control method according to claim 5 , wherein
the frame is a management frame.

7. The transmission control method according to claim 5 , wherein
the frame is a beacon frame.

8. The transmission control method according to claim 5 , wherein
the frame is an aggregated MAC Protocol Data Unit (A-MPDU) subframe and a flush control header is added to a front or to an end of the A-MPDU subframe.

9. A reception control device comprising one or more circuits configured to:
control reception, from a transmission device, of a frame including flush information indicating one or a plurality of sequence numbers included in one or a plurality of pieces of data to be flushed among a plurality of pieces of data including respective sequence numbers; and
acquire the flush information,
wherein the one or more circuits are configured to flush received data based at least in part on the flush information in the frame.

10. The reception control device according to claim 9 , wherein the frame is a management frame.

11. The reception control device according to claim 9 , wherein the frame is a beacon frame.

12. The reception control device according to claim 9 , wherein
the frame is an aggregated MAC Protocol Data Unit (A-MPDU) subframe and a flush control header is added to a front or to an end of the A-MPDU subframe.

13. A reception control method comprising:
controlling reception, from a transmission device, of a frame including flush information indicating one or a plurality of sequence numbers included in one or a plurality of pieces of data to be flushed among a plurality of pieces of data including respective sequence numbers; acquiring the flush information; and
flushing received data based at least in part on the flush information in the frame.

14. The reception control method according to claim 13 , wherein
the frame is a management frame.

15. The reception control method according to claim 13 , wherein
the frame is a beacon frame.

16. The reception control method according to claim 13 , wherein
the frame is an aggregated MAC Protocol Data Unit (A-MPDU) subframe and a flush control header is added to a front or to an end of the A-MPDU subframe.

Assignees

• Sony Corp

Inventors

• Sugaya Shigeru
• Sakai Eisuke

Classifications

• H04W84/12

  WLAN [Wireless Local Area Networks] · CPC title

• G06F3/0652

  Erasing, e.g. deleting, data cleaning, moving of data to a wastebasket · CPC title

• H04W28/04

  Error control · CPC title

• G06F3/0673

  Single storage device · CPC title

• H04L47/34 Primary

  ensuring sequence integrity, e.g. using sequence numbers · CPC title