Proximity based wireless network

• US 7,619,999 B2
• Filed: 10/03/2005
• Issued: 11/17/2009
• Est. Priority Date: 10/03/2005
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.), Sony Electronics Inc. (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.), Sony Electronics Inc. (Sony Group Corp.)
• Inventors: DaCosta, Behram
• Primary Examiner(s): Taylor; Barry W
• Application Number:
  US11/242,105
• Publication Number:
  US 20070087682A1
• Time in Patent Office: 1,506 Days
• Field of Search: 370/312, 370/338, 455/41.2
• US Class Current: 370/312
• CPC Class Codes: H04W 12/08 Access security
• CPC Class Codes: H04W 48/12 using downlink control channel
• CPC Class Codes: H04W 88/14 Backbone network devices

Abstract

A wireless communication method consistent with certain embodiments involves, at a first portable wireless device (PWD), receiving a beacon indicating that the first PWD has entered a wireless network'"'"'s communication range; the first PWD responding to the beacon with a request for authorization on wireless network; receiving authorization for the first PWD to communicate using the wireless network; sending a request for the first PWD to be associated with the wireless network; the first PWD receiving confirmation of association with the wireless network; the first PWD broadcasting a first announcement over the wireless network, the announcement comprising at least an identifier that notifies other PWDs associated with the wireless network of the identity of the first PWD; receiving at least one reply announcement broadcast from a second PWD associated with the wireless network that identifies the second PWD; and at the first PWD providing a first shared public folder with contents that can be accessed by the second PWD. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

Claims

1. A wireless communication method, comprising:

a first portable wireless device (PWD) capable of emitting a periodic beacon indicating an ad hoc wireless network is present and capable of acting as a coordinator station for the ad hoc wireless network;

at the first portable wireless device, receiving a beacon from another PWD acting as a coordinator station for the ad hoc network, indicating that the first PWD has entered the other PWD'"'"'s established ad hoc wireless network'"'"'s communication range;

the first PWD responding to the beacon with a request for authorization on the wireless network;

receiving authorization for the first PWD to communicate using the wireless network;

sending a request for the first PWD to be associated with the wireless network;

the first PWD receiving confirmation of association with the wireless network;

the first PWD broadcasting a first announcement over the wireless network, the announcement comprising at least an identifier that notifies other PWDs associated with the wireless network of the identity of the first PWD;

receiving at least one reply announcement broadcast from a second PWD associated with the wireless network that identifies the second PWD;

building a list in the first PWD of all PWDs in range of the periodic beacon of the coordinator station and updating this list each time an announcement message is received from any PWD within range, wherein the PWD entering the ad hoc network is provided sufficient information to assume the role of the coordinator station when necessary; and

at the first PWD providing a first shared public folder with contents that can be accessed by the second PWD and all other PWDs in range.

2. The method according to claim 1, further comprising at the second PWD providing a second shared public folder with contents that can be accessed by the first PWD.

3. The method according to claim 2, wherein the second shared public folder has an attribute designating that content of the folder is to be shared on the basis of either share always, share never, or share with approval.

4. The method according to claim 2, wherein the first shared public folder contains a file that has an attribute designating that content of the file is to be shared on the basis of either share always, share never, or share with approval.

5. The method according to claim 2, wherein the first and second shared public folders comprise Read Only folders.

6. The method according to claim 1, wherein the first shared public folder comprises a Read Only folder.

7. The method according to claim 1, wherein the beacon is transmitted by either a network access point or a PWD acting as a coordinator station.

8. The method according to claim 1, wherein the first announcement further comprises a listing of the contents of the first shared public folder.

9. The method according to claim 1, wherein the first announcement further comprises at least a portion of the contents of the first shared public folder.

10. The method according to claim 1, wherein the first shared public folder has an attribute designating that content of the folder is to be shared on the basis of either share always, share never, or share with approval.

11. The method according to claim 1, wherein the first shared public folder contains a file that has an attribute designating that content of the file is to be shared on the basis of either share always, share never, or share with approval.

12. The method according to claim 1, wherein the shared public folder contains a file that requires acquisition of digital rights before the file is shared.

13. The computer readable storage medium storing instructions which, when executed on a programmed processor, carry out a process according to claim 1.

14. A portable wireless device (PWD), comprising:

a wireless transceiver comprising a transmitter means and a receiver means forming a part of the PWD;

a programmed processor coupled to the transmitter means and the receiver means, that processes signals received by the receiver means and sends signals to the transmitter means for transmission;

the transmitter means capable of transmitting a periodic beacon indicating an established ad hoc wireless network is present and operating as a coordinator station for the ad hoc network;

a shared public folder containing files that are to be shred with other PWDs;

the receiver means for receiving a beacon signal indicating that the PWD has entered a wireless network'"'"'s communication range wherein another PWD is transmitting a separate periodic beacon and acting as a coordinator station for the ad hoc wireless network;

the transmitter means for responding to the beacon signal with a request for authorization on the wireless network;

the transmitter means further sending a request for the PWD to be associated with the wireless network;

the receiver means further receiving confirmation of PWD'"'"'s association with the wireless network;

the transmitter means further broadcasting an announcement over the wireless network, the announcement comprising at least an identifier that notifies other PWDs associated with the wireless network of the identity of the PWD;

the receiver means further receiving at least one reply announcement broadcast from another PWD associated with the wireless network that identifies the other PWD;

the receiver means building a list in the PWD of all PWDs in range of the periodic beacon of the coordinator station and updating this list each time an announcement message is received from any PWD within range, wherein the PWD entering the ad hoc network is provided sufficient information to assume the role of the coordinator station when necessary; and

means for providing contents of the shared public folder or access by the other PWD.

15. The PWD according to claim 14, wherein the shared public folder comprises a Read Only folder.

16. The PWD according to claim 14, wherein the announcement further comprises a listing of the contents of the shared public folder.

17. The PWD according to claim 14, wherein the announcement further comprises at least a portion of the contents of the shared public folder.

18. The PWD according to claim 14, wherein the shared public folder has an attribute designating that content of the folder is to be shared on the basis of either share always, share never, or share with approval.

19. The PWD according to claim 14, wherein the shared public folder contains a file that has an attribute designating that content of the file is to be shared on the basis of either share always, share never, or share with approval.

20. A portable wireless device (PWD), comprising:

a wireless transceiver comprising a transmitter and a receiver forming a part of the PWD;

a receiver means operative to detect a periodic beacon indicating an established ad hoc wireless network is present, said ad hoc wireless network being coordinated by a second PWD;

a programmed processor coupled to the transmitter and the receiver, that processes signals received by the receiver and sends signals to the transmitter for transmission;

program means running on the programmed processor for implementing a protocol for accessing a wireless network with communication range of the PWD, and that the PWD is acting as an active station connected to the ad hoc wireless network, wherein said protocol is implemented using communication provided by the transceiver;

a shred public folder containing files that are to be shared with another PWD containing a list of all PWDs in range of the periodic beacon of the coordinating PWD and updating this list each time an announcement message is received from any PWD within range, wherein a PWD entering the ad hoc network is provided sufficient information to assume the role of the coordinating PWD when necessary; and

means for providing contents of the shared public folder for access by all other PWDs in range.

21. The PWD of claim 20, wherein the receiver receives a beacon signal indicating that the PWD has entered a wireless network'"'"'s communication range, and wherein the transmitter responds to the beacon signal with a request for authorization on the wireless network as a part of said protocol.

22. The PWD of claim 20, wherein the transmitter sends a request for the PWD to be associated with the wireless network, and the receiver receives confirmation of PWD'"'"'s association with the wireless network.

23. The PWD of claim 20, wherein the transmitter broadcasts an announcement over the wireless network, the announcement comprising at least an identifier that notifies other PWDs associated with the wireless network of the identity of the PWD, and the receiver receives at least one reply announcement broadcast from another PWD associated with the wireless network that identifies the other PWD.

24. The PWD according to claim 23, wherein the announcement further comprises a listing of the contents of the shared public folder.

25. The PWD according to claim 20, wherein the shared public folder comprises a Read Only folder.

26. The PWD according to claim 20, wherein the announcement further comprises at least a portion of the contents of the shared public folder.

27. The PWD according to claim 20, wherein the shared folder has an attribute designating that content of the folder is to be shared on the basis of either share always, share never, or share with approval.

28. The PWD according to claim 20, wherein the shared public folder contains a file that has an attribute designating that content of the file is to be shared on the basis of either share always, share never, or share with approval.

29. The PWD according to claim 20, wherein the shared public folder contains a file that requires acquisition of digital rights before the file is shared.