Virtual linking using a wireless device

• US 7,684,438 B2
• Filed: 01/19/2007
• Issued: 03/23/2010
• Est. Priority Date: 08/10/2001
• Status: Active Grant

• Current Assignee: Aurix Pte., Ltd.
• Original Assignee: Strix Systems Incorporated (AHA Holdings Pvt Ltd.)
• Inventors: Kamstra, Duke, Fuhring, James, Beasley, James, Stephens, Spencer, Jollota, James M.
• Primary Examiner(s): PHAM, BRENDA H
• Application Number:
  US11/625,138
• Publication Number:
  US 20070115819A1
• Time in Patent Office: 1,159 Days
• Field of Search: 370401-402, 370/310.2, 370/328, 370/338, 370/349, 370/395.5, 370/466, 370/465
• US Class Current: 370/466
• CPC Class Codes: H04L 63/0227 Filtering policies mail message filtering H04L51/212
• CPC Class Codes: H04L 63/0263 Rule management
• CPC Class Codes: H04L 67/51 Discovery or management thereof, e.g. service location protocol [SLP] or web services
• CPC Class Codes: H04L 67/56 Provisioning of proxy services store-and-forward switching systems in data switching networks H04L12/54
• CPC Class Codes: H04L 67/564 Enhancement of application control based on intercepted application data
• CPC Class Codes: H04L 67/59 Providing operational support to end devices by off-loading in the network or by emulation, e.g. when they are unavailable
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols
• CPC Class Codes: H04W 12/088 using filters or firewalls
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 80/00 Wireless network protocols or protocol adaptations to wireless operation
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: H04W 88/04 adapted for relaying to or from another terminal or user
• CPC Class Codes: H04W 88/08 Access point devices
• CPC Class Codes: H04W 88/16 Gateway arrangements
• CPC Class Codes: H04W 92/02 Inter-networking arrangements

Abstract

A system and method for virtual linking a wireless device to another device is disclosed herein. The system includes an access point and a controller configured to mediate transmissions between the wireless device and the another device. The system further includes a virtual device table and a permissions filter to ensure virtual linking between devices that have matching access right and requested services. The wireless device and the another device may have the same or dissimilar protocols.

Claims

1. An apparatus for providing virtual linking between geographically distributed devices in a communication system in a network environment, comprising:

a controller, comprised in a virtual linking system of said communication system and coupled to said communication system, configured to facilitate said virtual linking of at least one user device with one of devices or further devices in response to a request from said at least one user device, wherein said one device of the devices or the further devices is selected for the virtual linking with said at least one user device using a virtual device table comprising entries of capabilities for said devices and said further devices, and by checking for a match of permission rights for connection between said at least one user device and said one device based on a corresponding entry for said one device in said virtual device table, wherein;

said at least one user device is configured to communicate using a first wireless protocol,

said devices are configured to communicate using one or more wireless protocols, each of said one or more wireless protocols being similar or dissimilar to said first wireless protocol, wherein said at least one user device cannot communicate directly with one or more of said devices under said first wireless protocol because of dissimilar wireless protocols or different or absent profiles between said at least one user device and said one or more of said devices, or because of wireless range limitations under said first wireless protocol or said one or more wireless protocols,

said further devices are configured communicate signals under a communication protocol different than said first wireless protocol, and

wherein said virtual linking comprises connecting said at least one user device with said virtual linking system using said first wireless protocol, and further connecting said virtual linking system with said one device of said devices or said further devices using said one of said one or more wireless protocols, or using said communication protocol different than said first wireless protocol, respectively.

2. The apparatus of claim 1, wherein said controller comprises:

a wireless protocol layer configured to handle a wireless communication of said at least one user device with any of said devices;

a network layer configured to handle a network communication of said at least one user device with any of said further devices, and

a virtual linking layer which comprises;

said virtual device table with entries of network resources, said network resources comprising said devices and said further devices and further network resources, and

a permission filter, configured to perform said checking for the match of permission rights for connection between said at least one user device and any device from said devices or further devices based on corresponding entries for corresponding devices in said virtual device table.

3. The apparatus of claim 2, wherein said first wireless protocol is a short-range wireless protocol and said wireless protocol layer is a short-range wireless protocol layer comprising a radio layer and two or more user profiles.

4. The apparatus of claim 1, wherein said request from said at least one user device comprises:

a device discovery request, a service discovery request, and a connection request.

5. The apparatus of claim 4, wherein said controller is configured:

to provide to said at least one user device, in response to said device discovery request, a virtual linking system'"'"'s device name,

to provide to the at least one user device, in response to said service discovery request, a list of one or more candidate devices with desired capabilities selected from said devices and said further devices using said virtual device table, for selecting by said at least one user device, by way of said connection request, said one device from said list for the virtual linking with said at least one user device,

to check, in response to said service discovery request, for the match of permission rights for the connection between said at least one user device and each of the candidate devices in said list based on corresponding entries of said candidate devices in said virtual device table, and

to further check, in response to said connection request, for the match of the permission rights for the connection between the at least one user device and said one device based on said corresponding entry for said one device in said virtual device table.

6. The apparatus of claim 1, wherein said further devices and said controller are coupled to a network or a local area network comprised in said communication system, and said controller comprises:

at least one first transceiver configured to communicate with a corresponding further device of said further devices through said network or said local area network in order to provide said virtual link.

7. The apparatus of claim 6, wherein said controller comprises:

at least one second transceiver, configured to communicate with said at least one user device using said first wireless protocol and with one or more of said devices using a corresponding protocol of said one or more wireless protocols, such that said controller is configured to function as an access point of said virtual linking system.

8. The apparatus of claim 1, wherein said communication system comprises a geographically distributed plurality of network resources, said network resources comprising said devices and said further devices, such that said virtual device table comprises entries of capabilities of said plurality of network resources, and wherein said request from said at least one user device comprises a request to access one of said resources.

9. The apparatus of claim 8, wherein said virtual device table comprises a device entry for a device of said network resources, said device entry comprises:

a device type field,

a default name field,

a native object field comprising a device object in a native format, as returned by the device,

a location field providing the physical location of the device,

a virtual service names field including individualized service names for each known user by a user identification, or each known group by a group identification,

a virtual service object list field including a list of objects schema mapped from native object fields that specifies a set or subset of services to be advertised for a coverage area,

a virtual service permissions field including a list of permissions by a user identification or a group identification, and

an advertise to field including a list of device types that the device is capable of providing services to.

10. The apparatus of claim 9, wherein the permission filter is configured to perform said checking of the permission rights by comparing a user identification or a user group identification of said at least one user device with the virtual service permissions field of the device entry of any device of interest, and to compare a device type requested by the at least one user device with the advertise to field of the device entry of said any device of interest to check for the match between the at least one user device and any device of interest comprised in said network resources.

11. The apparatus of claim 1, wherein said virtual linking is transparent using the same wireless protocol for communicating between the at least one user device and one of said devices, such that the virtual linking system is configured to relay instructions and data between said at least one user device and said one of said devices,

and wherein said virtual linking is non-transparent using different protocols for communicating between the at least one user device and one of said devices or said further devices, such that the virtual linking system is configured to mediate instructions and data between said at least one user device and said one of said devices or said further devices.

12. The apparatus of claim 11, wherein said at least one user device and said one device of said devices enable the same short-range wireless protocol but do not have necessary user profiles in-common, such that said virtual linking is non-transparent.

13. The apparatus of claim 1, wherein said first wireless protocol is a BLUETOOTH protocol.

14. The apparatus of claim 1, wherein said communication protocol is a Transmission Control Protocol/Internet Protocol, or one of said one or more wireless protocols different from said first wireless protocol.

15. The method of claim 1, wherein said communication protocol is a Transmission Control Protocol Internet Protocol, or one of said one or more wireless protocols different from said first wireless protocol.

16. A method for providing virtual linking between geographically distributed devices in a communication system in a network environment, comprising:

receiving, by a controller comprised in a virtual linking system of said communication system and coupled to said communication system, a request for said virtual linking from at least one user device; and

setting up said virtual linking by said controller, wherein one device of devices or further devices is selected for the virtual linking with said at least one user device using a virtual device table comprising entries of capabilities for said devices and said further devices, and by checking for a match of permission rights for connection between said at least one user device and said one device based on a corresponding entry for said one device in said virtual device table, wherein;

said at least one user device is configured to communicate using a first wireless protocol,

said devices are configured to communicate using one or more wireless protocols, each of said one or more wireless protocols being similar or dissimilar to said first wireless protocol, wherein said at least one user device cannot communicate directly with one or more of said devices under said first wireless protocol because of dissimilar wireless protocols or different or absent profiles between said at least one user device and said one or more of said devices, or because of wireless range limitations under said first wireless protocol or said one or more wireless protocols,

said further devices are configured to communicate signals under a communication protocol different than said first wireless protocol, and

wherein said virtual linking comprises connecting said at least one user device with said virtual linking system using said first wireless protocol, and further connecting said virtual linking system with said one device of said devices or said further devices using said one of said one or more wireless protocols, or using said communication protocol different than said first wireless protocol, respectively.

17. The method of claim 16, wherein said request from said at least one user device comprises:

a service discovery request comprising desired capabilities of a device to establish said virtual linking with, and

a connection request, and wherein

said setting up by said controller said virtual linking comprises;

providing to the at least one user device, in response to said service discovery request, a list of one or more candidate devices with said desired capabilities selected from said devices and said further devices using said virtual device table and based on checking for the match of permission rights for the connection between said at least one user device and each of the candidate devices in said list based on corresponding entries of said candidate devices in said virtual device table, for selecting by said at least one user device, by way of said connection request, said one device from said list for the virtual linking with said at least one user device; and

setting up by said controller a connection between said at least one user device and said one device, in response to said connection request, after checking for the match of the permission rights for the connection between the at least one user device and said one device based on a corresponding entry for said one device in said virtual device table.

18. The method of claim 17, wherein said request from said at least one user device, before the service discovery request and the connection request, comprises a device discovery request, and the method further comprises

providing to said at least one user device, in response to said device discovery request, a virtual linking system'"'"'s device name.

19. The method of claim 16, wherein said communication system comprises a geographically distributed plurality of network resources, said network resources comprising said devices and said further devices, such that said virtual device table comprises entries of capabilities of said plurality of network resources, and wherein said request from said at least one user device comprises a request to access one of said resources.

20. The method of claim 19, wherein said virtual device table comprises a device entry for a device of said network resources, said device entry comprises:

a device type field,

a default name field,

a native object field comprising a device object in a native format, as returned by the device,

a location field providing the physical location of the device,

a virtual service names field including individualized service names for each known user by a user identification, or each known group by a group identification,

a virtual service object list field including a list of objects schema mapped from native object fields that specifies a set or subset of services to be advertised for a coverage area,

a virtual service permissions field including a list of permissions by a user identification or a group identification, and

an advertise to field including a list of device types that the device is capable of providing services to.

21. The method of claim 20, wherein said checking of the permission rights is performed by comparing a user identification or a user group identification of said at least one user device with the virtual service permissions field of the device entry of any device of interest, and by comparing a device type requested by the at least one user device with the advertise to field of the device entry of said any device of interest to check for the match between the at least one user device and said any device of interest comprised in said network resources.

22. The method of claim 16, wherein said virtual linking is transparent using the same wireless protocol for communicating between the at least one user device and one of said devices, such that the virtual linking system is configured to relay instructions and data between said at least one user device and said one of said devices,

and wherein said virtual linking is non-transparent using different protocols for communicating between the at least one user device and one of said devices or said further devices, such that the virtual linking system is configured to mediate instructions and data between said at least one user device and said one of said devices or said further devices.

23. The method of claim 22, wherein said at least one user device and said one device of said devices enable the same short-range wireless protocol but do not have necessary user profiles in-common, such that said virtual linking is non-transparent.

24. The method of claim 16, wherein said first wireless protocol is a BLUETOOTH protocol.

25. A system in a network environment for providing virtual linking between geographically distributed devices, comprising:

at least one user device configured to communicate using a first wireless protocol;

devices, configured to communicate using one or more wireless protocols, each of said one or more wireless protocols being similar or dissimilar to said first wireless protocol, wherein said at least one user device cannot communicate directly with one or more of said devices under said first wireless protocol because of dissimilar wireless protocols or different or absent profiles between said at least one user device and said one or more of said devices, or because of wireless range limitations under said first wireless protocol or said one or more wireless protocols;

further devices, configured to communicate signals under a communication protocol different than said first wireless protocol, and

a virtual linking system, configured to provide said virtual linking of said at least one user device with any of said devices or said further devices in response to a request from said at least one user device, wherein one device of said devices or said further devices is selected for said virtual linking with said at least one user device using a virtual device table comprising entries of capabilities for said devices and said further devices, and by checking for a match of permission rights for connection between said at least one user device and said one device based on a corresponding entry for said one device in said virtual device table,

wherein said virtual linking comprises connecting said at least one user device with said virtual linking system using said first wireless protocol and further connecting said virtual linking system with said one device of said devices or said further devices using said one of said one or more wireless protocols, or using said communication protocol different than said first wireless protocol, respectively.

26. The system of claim 25, wherein the at least one user device is a mobile device and said one device of said devices or said further devices is selected by further considering a location of said at least one user device.

27. The system of claim 25, wherein said system comprises a geographically distributed plurality of network resources, said network resources comprising said devices and said further devices, such that said virtual device table comprises entries of capabilities of said plurality of network resources.

28. The system of claim 25, wherein said request from said at least one user device comprises, a device discovery request, a service discovery request, and a connection request, wherein said service discovery request is for said choosing said one device using said virtual device table, and said connection request is for said checking for the match of permission rights for the connection between said at least one user device and said one device based on the corresponding entry of said entries in said virtual device table.

29. The system of claim 25, wherein said virtual system comprises:

one or more controllers, each comprising;

said virtual device table comprising entries of capabilities for said devices and said further devices, and a permission filter, configured to perform said checking for the match of permission rights for connection between said at least one user device and said one device; and

a plurality of geographically distributed access points coupled to said one or more controllers, each access point of said plurality comprising a wireless transceiver and configured to communicate with said at least one user device wirelessly under the first wireless protocol or with one or more of said devices wirelessly under at least one of said one or more wireless protocols in order to facilitate said virtual linking,

such that one access points of said plurality is configured to communicate with said at least one user device under the first wireless protocol, and said one access point or a further access point of said plurality of geographically distributed access points is configured to communicate with one of said devices under a corresponding wireless protocol of said one or more wireless protocols.

30. The system of claim 29, wherein at least one of said one or more controllers is configured to establish a communication link with at least one of said further devices under the communication protocol different than said first wireless protocol in order to provide said virtual linking of said at least one user device with said one of the further devices.

31. The system of claim 30, wherein said further devices are coupled to a network or a local area network comprised in said system, and said at least one of the one or more controllers is coupled to the network or the local area network and configured to communicate with a corresponding further device of said further devices through the network or the local area network in order to provide said virtual link.

32. The system of claim 29, wherein at least one of said plurality of access points and at least one of said one or more controllers are combined.

33. The system of claim 25, wherein said virtual linking is transparent using the same wireless protocol for communicating between the at least one user device and one of said devices, such that the virtual linking system is configured to relay instructions and data between said at least one user device and said one of said devices, and

wherein said virtual linking is non-transparent using different protocols for communicating between the at least one user device and one of said devices or said further devices, such that the virtual linking system is configured to mediate instructions and data between said at least one user device and said one of said devices or said further devices.

34. The system of claim 33, wherein said at least one user device and said one device of said devices enable the same wireless protocol but do not have necessary profiles in-common, such that said virtual linking is non-transparent.

35. A computer software product, comprising a computer-usable medium having computer readable instructions stored thereon for execution by a processor to perform a method for providing virtual linking between geographically distributed devices in a communication system in a network environment, said method comprising:

receiving, by a controller comprised in a virtual linking system of said communication system and coupled to said communication system, a request for said virtual linking from at least one user device; and

setting up said virtual linking by said controller, wherein one device of devices or further devices is selected for the virtual linking with said at least one user device using a virtual device table comprising entries of capabilities for said devices and said further devices, and by checking for a match of permission rights for connection between said at least one user device and said one device based on a corresponding entry for said one device in said virtual device table, wherein;

said at least one user device is configured to communicate using a first wireless protocol,

said devices are configured to communicate using one or more wireless protocols, each of said one or more wireless protocols being similar or dissimilar to said first wireless protocol, wherein said at least one user device cannot communicate directly with one or more of said devices under said first wireless protocol because of dissimilar wireless protocols or different or absent profiles between said at least one user device and said on or more of said devices, or because of wireless range limitations under said first wireless protocol or said one or more wireless protocols,

said further devices are configured to communicate signals under a communication protocol different than said first wireless protocol, and wherein said virtual linking comprises connecting said at least one user device with said virtual linking system using said first wireless protocol, and further connecting said virtual linking system with said one device of said devices or said further devices using said one of said one or more wireless protocols, or using said communication protocol different than said first wireless protocol, respectively.