METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR USING DISCOVERED CLOCK IN A FIRST COMMUNICATIONS PROTOCOL TO SYNCHRONIZE NETWORKING ACTIVITY IN A SECOND COMMUNICATIONS PROTOCOL

• US 20120328061A1
• Filed: 06/27/2011
• Published: 12/27/2012
• Est. Priority Date: 06/27/2011
• Status: Abandoned Application

• Current Assignee: Nokia Corporation
• Original Assignee: Nokia Corporation
• Inventors: CHOW, Brian
• Application Number:
  US13/169,635
• Publication Number:
  US 20120328061A1
• Time in Patent Office: Days
• US Class Current: 375/354
• CPC Class Codes: H04W 4/20 Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
• 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 56/0015 one node acting as a reference for the others

Abstract

Method, apparatus, and computer program product example embodiments use native clock timing of a first wireless communications protocol to establish synchronization of a wireless network of a second wireless communications protocol. According to an example embodiment of the invention, a method comprises maintaining a native clock time in a first wireless communications protocol; activating one or more wireless messages in a second wireless communications protocol, based on the native clock time of the first wireless communications protocol; receiving a wireless message in the first wireless communications protocol; and transmitting one or more second wireless messages in the first wireless communications protocol, including information related to the native clock time, to enable a receiving apparatus to synchronize its activation of one or more messages in the second wireless communications protocol, with the one or more wireless messages activated in the second wireless communications protocol.

Claims

1. A method comprising:

maintaining a native clock time in a first wireless communications protocol;

activating one or more wireless messages in a second wireless communications protocol, based on the native clock time of the first wireless communications protocol;

receiving a wireless message in the first wireless communications protocol; and

transmitting one or more second wireless messages in the first wireless communications protocol, including information related to the native clock time, to enable a receiving apparatus to synchronize its activation of one or more messages in the second wireless communications protocol, with the one or more wireless messages activated in the second wireless communications protocol.

2. The method of claim 1, further comprising:

starting a period for the activation of the one or more wireless messages in the second wireless communications protocol, based on a predetermined value of the native clock time.

3. The method of claim 2, further comprising:

including in the one or more second wireless messages in the first wireless communications protocol, information related to the predetermined value of the native clock time.

4. The method of claim 2, further comprising:

including in the one or more second wireless messages in the first wireless communications protocol, an offset value and a value of a logarithm to base two of the predetermined value of the native clock time, minus a value of one.

5. The method of claim 1, further comprising:

receiving an offset value and information related to a predetermined value for an activation time of the second wireless communications protocol based on a remote native clock time in one or more wireless messages in the first wireless communications protocol;

starting a period for the activation of the one or more wireless messages in the second wireless communications protocol, based on the received predetermined value for the activation time of the second wireless communications protocol based on the received offset of the remote native clock time; and

including in the one or more second wireless messages in the first wireless communications protocol information related to the predetermined value for the activation time of the second wireless communications protocol and a second offset based on the local native clock time and the received offset value.

6. The method of claim 1, further comprising:

receiving an accumulated offset value and information related to a predetermined value for an activation time of the second wireless communications protocol based on a remote native clock time in one or more wireless messages in the first wireless communications protocol;

starting a period for the activation of the one or more wireless messages in the second wireless communications protocol, based on the received predetermined value for the activation time of the second wireless communications protocol based on the received accumulated offset to the remote native clock time; and

including in the one or more second wireless messages in the first wireless communications protocol information related to the predetermined value for the activation time of the second wireless communications protocol and a second offset based on the local native clock time and an accumulated offset value.

7. The method of claim 1, wherein the second wireless communications protocol is one of IEEE 802.11 or HIPERLAN.

8. The method of claim 1, wherein the first wireless communications protocol is Bluetooth.

9. The method of claim 1, wherein the first wireless communications protocol is Bluetooth, the received wireless message in the first wireless communications protocol is an inquiry request, and the one or more second wireless messages in the first wireless communications protocol are at least one of an inquiry response and an extended inquiry response.

10. The method of claim 1, wherein the first wireless communications protocol is Bluetooth, the second wireless communications protocol is a wireless local area network, and the one or more wireless messages in the second wireless communications protocol include at least one beacon.

11. An apparatus comprising:

at least one processor;

at least one memory including computer program code;

the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

maintain a native clock time in a first wireless communications protocol;

activate one or more wireless messages in a second wireless communications protocol, based on the native clock time of the first wireless communications protocol;

receive a wireless message in the first wireless communications protocol; and

transmit one or more second wireless messages in the first wireless communications protocol, including information related to the native clock time, to enable a receiving apparatus to synchronize its activation of one or more messages in the second wireless communications protocol, with the one or more wireless messages activated in the second wireless communications protocol.

12. The apparatus of claim 11, further comprising:

the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

start a period for the activation of the one or more wireless messages in the second communications protocol, based on a predetermined value of the native clock time.

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21. A computer program product comprising computer executable program code recorded on a computer readable non-transitory storage medium, the computer executable program code, when executed by a computer processor, causing performance of the steps of:

maintaining a native clock time in a first wireless communications protocol;

activating one or more wireless messages in a second wireless communications protocol, based on the native clock time of the first wireless communications protocol;

receiving a wireless message in the first wireless communications protocol; and

transmitting one or more second wireless messages in the first wireless communications protocol, including information related to the native clock time, to enable a receiving apparatus to synchronize its activation of one or more messages in the second wireless communications protocol, with the one or more wireless messages activated in the second wireless communications protocol.

22. A method comprising:

transmitting at least one first wireless message in a first wireless communications protocol;

receiving one or more second wireless messages in the first wireless communications protocol from another apparatus in response to the at least one transmitted first message, including information related to a native clock time, to enable synchronizing activation of one or more messages in a second wireless communications protocol, with wireless messages activated by the another apparatus in the second wireless communications protocol; and

activating one or more wireless messages in the second wireless communications protocol, based on the received information related to the native clock time of the first wireless communications protocol.

23. The method of claim 22, further comprising:

starting a period for the activation of the one or more wireless messages in the second wireless communications protocol, based on a predetermined value of the native clock time.

24. The method of claim 22, further comprising:

the one or more second wireless messages received in the first wireless communications protocol including information related to a predetermined value of the native clock time and an offset value; and

starting a period for the activation of the one or more wireless messages in the second wireless communications protocol, based on the information related to predetermined value of the native clock time and the offset value.

25. The method of claim 22, wherein the one or more second wireless messages in the first wireless communications protocol are received from a source ad hoc network and the one or more wireless messages activated in the second wireless communications protocol are synchronized with one or more wireless messages activated in the second wireless communications protocol of the source ad hoc network.

26. The method of claim 22, wherein the first wireless communications protocol is Bluetooth, the at least one transmitted first wireless message in the first wireless communications protocol is an inquiry request, and the one or more second wireless messages in the first wireless communications protocol are at least one of an inquiry response and an extended inquiry response.

27. The method of claim 22, wherein the first wireless communications protocol is Bluetooth, the second wireless communications protocol is a wireless local area network and the one or more wireless messages in the second wireless communications protocol include at least one beacon.

28. An apparatus comprising:

at least one processor;

at least one memory including computer program code;

the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

transmit at least one first wireless message in a first wireless communications protocol;

receive one or more second wireless messages in the first wireless communications protocol from another apparatus in response to the at least one transmitted first message, including information related to a native clock time, to enable synchronizing activation of one or more messages in a second wireless communications protocol, with wireless messages activated by the another apparatus in the second wireless communications protocol; and

activate one or more wireless messages in the second wireless communications protocol, based on the received information related to the native clock time of the first wireless communications protocol.

29. A computer program product comprising computer executable program code recorded on a computer readable non-transitory storage medium, the computer executable program code, when executed by a computer processor, causing performance of the steps of:

transmitting at least one first wireless message in a first wireless communications protocol;

receiving one or more second wireless messages in the first wireless communications protocol from another apparatus in response to the at least one transmitted first message, including information related to a native clock time, to enable synchronizing activation of one or more messages in a wireless second communications protocol, with wireless messages activated by the another apparatus in the second wireless communications protocol; and

activating one or more wireless messages in the second wireless communications protocol, based on the received information related to the native clock time of the first wireless communications protocol.