Wireless communication system and wireless communication control method, wireless communication device and wireless communication method, and computer program

• US 9,907,052 B2
• Filed: 02/27/2015
• Issued: 02/27/2018
• Est. Priority Date: 02/05/2002
• Status: Expired due to Term

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Sugaya, Shigeru
• Primary Examiner(s): Mesfin, Yemane
• Assistant Examiner(s): Banthrongsack, Jeff
• Application Number:
  US14/633,577
• Publication Number:
  US 20150173076A1
• Time in Patent Office: 1,096 Days
• Field of Search: None
• CPC Class Codes: H04L 5/0092 Indication of how the channel is divided
• CPC Class Codes: H04W 52/0216 using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 68/00 User notification, e.g. alerting and paging, for incoming communication, change of service or the like
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/30 Resource management for broadcast services
• CPC Class Codes: H04W 74/0816 with collision avoidance
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A wireless communication device in a wireless network sets management information notification cycles at specified time intervals and transmits management information containing receive timing information showing its own position to start receiving information, receive window information, and receive cycle information. Another wireless communication device receiving that management information links it to a communication device number for the corresponding wireless communication device and stores the receive timing, the receive window information, and the receive cycle information. When sending information, the receive start position of the corresponding communication device is found from the receive timing information, the receive window information, and the receive cycle information of the other communication and information is then transmitted at that timing. An asynchronous ad-hoc communication wireless network can therefore be configured without a particular control station.

Claims

1. A receiving destination wireless communication device comprising:

circuitry configured to receive management information broadcasted for notifying presence from a transmitting source wireless communication device;

circuitry configured to broadcast management information for presence, the management information describing receive timing information of the receiving destination wireless communication device; and

circuitry configured to set a receive timing of receiving data information over a wireless network, the data information being received from the transmitting source wireless communication device,

wherein the set receive timing corresponds to the receive timing information that indicates at least one period of time during which the receiving destination wireless communication device is enabled and capable of receiving the data information as distinguished from timings during which the receiving destination wireless communication device is not enabled and incapable of receiving the data information.

2. The receiving destination wireless communication device of claim 1, wherein the data information is received from the transmitting source wireless communication device by utilizing the receive timing information described in the management information without prior negotiation between the transmitting source wireless communication device and the receiving destination wireless communication device.

3. The receiving destination wireless communication device of claim 1, further comprising circuitry configured to control the management information to be broadcasted at each specified cycle.

4. The receiving destination wireless communication device of claim 1, further comprising circuitry configured to control a transmit timing of broadcasting the management information by utilizing a management information exchange area installed in the wireless network.

5. The receiving destination wireless communication device of claim 1, wherein the management information describes information on other wireless communication devices capable of communicating with the receiving destination wireless communication device.

6. The receiving destination wireless communication device of claim 1, wherein the management information provides for low power consumption operation of the receiving destination wireless communication device.

7. The receiving destination wireless communication device of claim 1, wherein the management information notifies of absence time information of the receiving destination wireless communication device during which timing the receiving destination wireless communication device is not enabled and incapable of receiving the data information.

8. The receiving destination wireless communication device of claim 1, wherein the management information notifies of timings of receive operations of the receiving destination wireless communication device.

9. The receiving destination wireless communication device of claim 1, further comprising:

at least one antenna via which the data information is received.

10. The receiving destination wireless communication device of claim 1, further comprising:

a memory configured to store the generated management information.

11. The receiving destination wireless communication device of claim 1, further comprising:

a display unit configured to display the received data information.

12. A wireless communication method comprising:

receiving management information broadcasted for notifying presence from a transmitting source wireless communication device;

broadcasting management information for presence, the management information describing receive timing information of a receiving destination wireless communication device; and

setting a receive timing of receiving data information over a wireless network, the data information being received from the transmitting source wireless communication device,

wherein the set receive timing corresponds to the receive timing information that indicates at least one period of time during which the receiving destination wireless communication device is enabled and capable of receiving the data information as distinguished from timings during which the receiving destination wireless communication device is not enabled and incapable of receiving the data information.

13. The wireless communication method of claim 12, wherein the data information is received from the transmitting source wireless communication device by utilizing the receive timing information described in the management information without prior negotiation between the transmitting source wireless communication device and the receiving destination wireless communication device.

14. The wireless communication method of claim 12, wherein the management information is controlled to be broadcasted at each specified cycle.

15. The wireless communication method of claim 12, wherein a transmit timing of broadcasting the management information is controlled by utilizing a management information exchange area installed in the wireless network.

16. The wireless communication method of claim 12, wherein the management information describes information on other wireless communication devices capable of communicating with the receiving destination wireless communication device.

17. The wireless communication method of claim 12, wherein the management information provides for low power consumption operation of the receiving destination wireless communication device.

18. The wireless communication method of claim 12, wherein the management information notifies of absence time information of the receiving destination wireless communication device during which timing the receiving destination wireless communication device is not enabled and incapable of receiving the data information.

19. The wireless communication method of claim 12, wherein the management information notifies of timings of receive operations of the receiving destination wireless communication device.

20. A non-transitory computer-readable medium having embodied thereon a program, which when executed by a computer causes the computer to execute a method, the method comprising:

receiving management information broadcasted for notifying presence from a transmitting source wireless communication device;

broadcasting management information for presence, the management information describing receive timing information of a receiving destination wireless communication device; and

setting a receive timing of receiving data information over a wireless network, the data information being received from the transmitting source wireless communication device,

wherein the set receive timing corresponds to the receive timing information that indicates at least one period of time during which the receiving destination wireless communication device is enabled and capable of receiving the data information as distinguished from timings during which the receiving destination wireless communication device is not enabled and incapable of receiving the data information.