Unified passcode pairing of piconet devices

• US 20020090912A1
• Filed: 01/09/2001
• Published: 07/11/2002
• Est. Priority Date: 01/09/2001
• Status: Active Grant

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Agere Systems Guardian Corp. (Broadcom, Inc.)
• Inventors: Fischer, Jonathan H., Cannon, Joseph M., Veschi, John P.
• Granted Patent: US 7,155,163 B2
• Time in Patent Office: Days
• US Class Current: 455/41.2
• CPC Class Codes: H04L 61/00 Network arrangements, protocols or services for addressing or naming
• CPC Class Codes: H04L 61/35 involving non-standard use of addresses for implementing network functionalities, e.g. coding subscription information within the address or functional addressing, i.e. assigning an address to a function
• CPC Class Codes: H04L 61/45 Network directories; Name-to-address mapping
• CPC Class Codes: H04W 8/26 Network addressing or numbering for mobility support
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

The present invention relates to an application layer function outside the BLUETOOTH protocol which associates a BLUETOOTH unique address, i.e., the 48-bit unique BD_ADDR address, with a short passcode or PIN which is associated with a particular type of BLUETOOTH device in a particular piconet. The passcode or PIN can be pre-determined by the manufacturer of the BLUETOOTH device, or can be input and defined by the user. Upon installation in a piconet, in one embodiment shown and described with reference to FIGS. 1 and 2, a user can be asked to manually input a particular passcode or PIN into a relevant piconet device, and an inquiry can be broadcast to all communicating piconet devices and only those other piconet devices having a matching passcode or PIN associated therewith can automatically forward their respective 48-bit unique BD_ADDR addresses to the inquiring piconet device. Alternatively, a user can inquire and be provided with a list of available passcodes or PINs already established by other devices in the piconet, and select a particular passcode or PIN associated with one or more other piconet devices. The passcode or personal identification number (PIN) may be input upon electronic device setup (e.g., a four character code). The passcode or PIN may be numeric, text, or alphanumeric.

Claims

1. A wireless piconet network device, comprising:

a piconet front end;

a unique address; and

a passcode or PIN selection module to allow a user to provide a passcode or PIN associated with at least one other wireless piconet network device within range of said wireless piconet network device.

2. The wireless piconet network device according to claim 1, further comprising:

a paired device unique address list, each unique address stored in said paired device unique address list being associated with said provided passcode or PIN.

3. The wireless piconet network device according to claim 2, wherein:

said provided passcode or PIN is selectable from a list of established passcodes or PINs in a piconet corresponding to said wireless piconet network device.

4. The wireless piconet network device according to claim 1, wherein:

said piconet front end conforms to BLUETOOTH standards.

5. The wireless piconet network device according to claim 1, wherein:

said unique address is a 48-bit address.

6. The wireless piconet network device according to claim 1, further comprising:

a plurality of paired device unique address lists, each of said plurality of paired device unique address lists being associated with one of a plurality of passcode or PINs.

7. A method of obtaining a unique address pairing between separate wireless piconet network devices, said method comprising:

entering a passcode or PIN into a first wireless piconet network device; and

providing to said first wireless piconet network device unique addresses of each of a plurality of wireless piconet network devices each associated with said entered passcode or PIN;

wherein a plurality of piconet network devices in a common piconet network are associated with said single entered passcode or PIN.

8. The method of obtaining a unique address pairing between separate wireless piconet network devices according to claim 7, wherein:

said unique addresses are provided to said first wireless piconet network device from a second wireless piconet network device over said common piconet network.

9. The method of obtaining a unique address pairing between separate wireless piconet network devices according to claim 7, wherein:

said first wireless piconet network device conforms to a BLUETOOTH piconet standard.

10. The method of obtaining a unique address pairing between separate wireless piconet network devices according to claim 7, wherein:

said wireless piconet network device is a master BLUETOOTH device.

11. Apparatus for obtaining a unique address pairing between separate wireless piconet network devices, said method comprising:

means for entering a passcode or PIN into a first wireless piconet network device; and

means for providing to said first wireless piconet network device unique addresses of each of a plurality of wireless piconet network devices each associated with said entered passcode or PIN;

wherein a plurality of piconet network devices in a common piconet network are associated with said single entered passcode or PIN.

12. The apparatus for obtaining a unique address pairing between separate wireless piconet network devices according to claim 11, wherein:

said means for providing provides said unique addresses to said first wireless piconet network device from a second wireless piconet network device over said common piconet network.

13. The apparatus for obtaining a unique address pairing between separate wireless piconet network devices according to claim 11, wherein:

said first wireless piconet network device conforms to a BLUETOOTH piconet standard.

14. The method of obtaining a unique address pairing between separate wireless piconet network devices according to claim 11, wherein:

said wireless piconet network device is a master BLUETOOTH device.