Systems and methods for sharing context information in a neighbor aware network

• US 9,578,626 B2
• Filed: 03/11/2014
• Issued: 02/21/2017
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Sadasivam, Shankar, Swaminathan, Ashwin, Lee, Jin Won, Abraham, Santosh Paul, Cherian, George, Ding, Li
• Primary Examiner(s): Jiang, Charles C
• Assistant Examiner(s): Soe, Kyaw Z
• Application Number:
  US14/205,152
• Publication Number:
  US 20140269555A1
• Time in Patent Office: 1,078 Days
• Field of Search: 370/329
• US Class Current: 1/1
• CPC Class Codes: G01S 5/0072 Transmission between mobile stations, e.g. anti-collision systems
• CPC Class Codes: G01S 5/0289 of multiple transceivers, e.g. in ad hoc networks
• CPC Class Codes: H04L 67/56 Provisioning of proxy services store-and-forward switching systems in data switching networks H04L12/54
• CPC Class Codes: H04W 4/023 using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
• CPC Class Codes: H04W 4/027 using movement velocity, acceleration information
• CPC Class Codes: H04W 4/06 Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 4/38 for collecting sensor information
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• 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 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 8/005 Discovery of network devices, e.g. terminals

Abstract

Systems and methods share context information on a neighbor aware network. A method for communicating data in a wireless communications network is disclosed. The method includes receiving, by a device, a first message from a station, decoding the message to determine service information, the service information identifying a service provided by the station, generating a second message, wherein the second message is generated to indicate the service provided by the station and service information of the device, and transmitting, by the device, the second message to a remote station.

Claims

1. A method for communicating data in a wireless communications network, comprising:

receiving, by a device, a first message from a station;

decoding, at the device, the first message to determine a proxy preference number of the station and to determine service information, the service information identifying a service provided by the station, and the proxy preference number of the station indicating a level of capability or a level of interest the station has in being a proxy station;

comparing the determined proxy preference number of the station with a proxy preference number of the device, the comparison being based at least on the indicated level of capability or the indicated level of interest the station has in being a proxy station; and

based on the comparison;

generating, at the device, a second message, wherein the second message is generated to indicate the service provided by the station and the service information of the device; and

transmitting, by the device, the second message to a remote station, the remote station being different from the station.

2. The method of claim 1,

wherein the generating and transmitting of the second message is conditioned on a result of the comparison.

3. The method of claim 1, further comprising:

receiving a third message from the remote station; and

decoding the third message to determine an error indicating that the remote station cannot contact the station.

4. The method of claim 1, further comprising:

transmitting a proxy offer message to the station in response to decoding the service information from the station; and

generating the second message if a proxy accept message is received from the station.

5. The method of claim 1, further comprising:

receiving a proxy request message from the station;

determining whether to accept the proxy request;

generating a broadcast message indicating the device is configured to serve as a proxy station if the proxy request is accepted; and

transmitting the broadcast message to a broadcast address.

6. The method of claim 1, wherein the service information comprises at least one of an indication of an availability of pressure measurements, an indication of an availability of temperature measurements, an indication of an availability of location measurements, an indication of an availability of ambient sound measurements, an indication of an availability of ambient light measurements, an indication of an availability of humidity measurements, an indication of an availability of emergency alarm sensor measurements, a pressure measurement, a temperature measurement, a location measurement, an ambient sound measurement, an ambient light measurement, a humidity measurement, and an emergency alarm sensor measurement.

7. The method of claim 1, further comprising:

receiving a station identifier and a wake up schedule from the station;

decoding one or more of a media access control (MAC) address, an application based identifier, an Internet Protocol (IP) address, and a device name from the station identifier;

decoding one or more of a time when the station will be awake to listen for messages from other devices and a channel that the station will use to communicate during the time, from the wake up schedule; and

generating the second message to indicate the wake up schedule.

8. An apparatus for communicating data in a wireless communications network, comprising:

a receiver configured to receive a first message from a station;

a hardware processor configured to;

decode the first message to determine service information, the service information identifying a service provided by the station, and further configured to decode the message to determine a proxy preference number of the station, the proxy preference number of the station indicating a level of capability or a level of interest the station has in being a proxy station;

compare the determined proxy preference number of the station with a proxy preference number of the apparatus, the comparison being based at least on the indicated level of capability or the indicated level of interest the station has in being a proxy station; and

generate a second message to indicate the service provided by the station and the service information of the apparatus, the generating being based on the comparison; and

a transmitter configured to transmit the second message to a remote station, the transmitting being based on the comparison.

9. The apparatus of claim 8,

wherein the hardware processor is further configured to condition the generation and transmission of the second message on a result of the comparison.

10. The apparatus of claim 8, wherein the transmitter is further configured to transmit a proxy offer message to the station in response to decoding the service information from the station, and wherein the hardware processor is further configured to generate the second message if the receiver receives a proxy accept message from the station.

11. The apparatus of claim 8,

wherein the receiver is configured to receive a proxy request message from the station,

wherein the hardware processor is configured to determine whether to accept the proxy request,

wherein the hardware processor is further configured to, based on the determination, generate a broadcast message indicating the apparatus is configured to serve as a proxy station, and

the transmitter is configured to transmit the broadcast message to a broadcast address.

12. The apparatus of claim 11, wherein the hardware processor is further configured to generate the broadcast message to indicate an incentive to become a proxy and to indicate a time when proxy service is available.

13. The apparatus of claim 8, wherein the service information comprises at least one of an indication of an availability of pressure measurements, an indication of an availability of temperature measurements, an indication of an availability of location measurements, an indication of an availability of ambient sound measurements, an indication of an availability of ambient light measurements, an indication of an availability of humidity measurements, an indication of an availability of emergency alarm sensor measurements, a pressure measurement, a temperature measurement, a location measurement, an ambient sound measurement, an ambient light measurement, a humidity measurement, and an emergency alarm sensor measurement.

14. The apparatus of claim 8,

wherein the receiver is further configured to receive a station identifier and a wake up schedule from the station,

wherein the station identifier comprises at least one of a media access control (MAC) address, an application based identifier, an Internet Protocol (IP) address, and a device name,

wherein the wake up schedule comprises a time when the station will be awake to listen for messages from other devices and a channel that the station will use to communicate during the time,

and the hardware processor is further configured to generate the second message to indicate the wake up schedule.

15. A method for communicating data in a wireless communications network, comprising:

receiving, by a device, data from a proxy station, the data including a proxy preference number of the proxy station, the proxy preference number of the proxy station indicating a level of capability or a level of interest the proxy station has in being a selected proxy station;

comparing, at the device, the data received from the proxy station with data associated with the device, the comparison being based at least on the indicated level of capability or the indicated level of interest the proxy station has in being a selected proxy station;

determining, at the device, whether to allow the proxy station to advertise service information of the device on behalf of the device based on the comparison, wherein the service information identifies a service provided by the device; and

transmitting, by the device, a message to the proxy station based on the determination.

16. The method of claim 15, wherein the method further comprises determining whether the proxy station has proxy capability based on the proxy preference number.

17. The method of claim 15, further comprising:

determining that a service advertisement has not been received from the proxy station within a predetermined time and the proxy station is allowed to advertise; and

determining that the proxy station left the wireless communications network if the receiver does not receive a service advertisement from the proxy station within a predetermined time and the proxy station is allowed to advertise.

18. The method of claim 15, further comprising transmitting a confirmation message to the proxy station, wherein the confirmation message requests the proxy station to transmit an acknowledgment message confirming that the proxy station is associated with the wireless communications network.

19. The method of claim 15, further comprising:

broadcasting a discovery frame comprising a request for a proxy station;

receiving a proxy offer message from the proxy station, wherein the proxy offer message comprises the data of the proxy station; and

transmitting a proxy acceptance message in response to receiving the proxy offer message from the proxy station if the proxy station is allowed to advertise the service information.

20. The method of claim 15, further comprising:

receiving a discovery frame broadcast message from the proxy station;

decoding the discovery frame broadcast message to determine that the proxy station is configured to serve as a proxy station; and

transmitting a proxy offer message to the proxy station if the proxy station is allowed to advertise service information of the device on behalf of the device.

21. The method of claim 20, further comprising generating the discovery frame broadcast message to indicate an incentive for a station to become a proxy or to indicate a time when service from the device is available.

22. The method of claim 15, wherein the service information of the device comprises at least one of an indication of an availability of pressure measurements, an indication of an availability of temperature measurements, an indication of an availability of location measurements, an indication of an availability of ambient sound measurements, an indication of an availability of ambient light measurements, an indication of an availability of humidity measurements, an indication of an availability of emergency alarm sensor measurements, a pressure measurement, a temperature measurement, a location measurement, an ambient sound measurement, an ambient light measurement, a humidity measurement, and an emergency alarm sensor measurement.

23. The method of claim 15, further comprising transmitting a station identifier and a wake up schedule to the proxy station, wherein the station identifier comprises at least one of a media access control (MAC) address, an application based identifier, an Internet Protocol (IP) address, and a device name, and wherein the wake up schedule comprises a time when the device will be awake to listen for messages from other devices and a channel that the device will use to communicate during the time.

24. An apparatus for communicating data in a wireless communications network, comprising:

a receiver configured to receive data from a proxy station, the data including a proxy preference number of the proxy station, the proxy preference number of the proxy station indicating a level of capability or a level of interest the proxy station has in being a selected proxy station;

a hardware processor configured to compare the data received from the proxy station with data associated with the apparatus, the comparison being based at least on the indicated level of capability or the indicated level of interest the proxy station has in being a selected proxy station, wherein the hardware processor is further configured to determine whether to allow the proxy station to advertise service information of the apparatus on behalf of the apparatus based on the comparison, wherein the service information identifies a service provided by the apparatus; and

a transmitter configured to transmit a message to the proxy station based on the determination.

25. The apparatus of claim 24, wherein the hardware processor is further configured to determine whether the proxy station has proxy capability based on the proxy preference number.

26. The apparatus of claim 24, wherein the receiver is further configured to receive data from a second proxy station, wherein the hardware processor is further configured to compare the data received from the second proxy station with the data associated with the apparatus, wherein the hardware processor is further configured to determine whether to allow the second proxy station to advertise the service information of the apparatus on behalf of the apparatus based on the comparison of the data received from the second proxy station with the data associated with the apparatus, and the transmitter is configured to transmit a message to the second proxy station based on the determination.

27. The apparatus of claim 24, further comprising a transmitter configured to broadcast a discovery frame, wherein the receiver is further configured to receive a proxy offer message from the proxy station, wherein the proxy offer message comprises the data of the proxy station, wherein the discovery frame comprises a request for a proxy station, and wherein the transmitter is further configured to transmit a proxy acceptance message in response to receiving the proxy offer message from the proxy station if the hardware processor determines to allow the proxy station to advertise the service information.

28. The apparatus of claim 24,

wherein the receiver is further configured to receive a discovery frame broadcast message from the proxy station,

wherein the hardware processor is further configured to decode the discovery frame broadcast message to determine that the proxy station is configured to serve as a proxy station, and

wherein the transmitter is configured to transmit a proxy offer message to the proxy station if the hardware processor determines to allow the proxy station to advertise service information of the apparatus on behalf of the apparatus.

29. The apparatus of claim 24, wherein the service information of the apparatus comprises at least one of an indication of an availability of pressure measurements, an indication of an availability of temperature measurements, an indication of an availability of location measurements, an indication of an availability of ambient sound measurements, an indication of an availability of ambient light measurements, an indication of an availability of humidity measurements, an indication of an availability of emergency alarm sensor measurements, a pressure measurement, a temperature measurement, a location measurement, an ambient sound measurement, an ambient light measurement, a humidity measurement, and an emergency alarm sensor measurement.

30. The apparatus of claim 24, further comprising a transmitter configured to transmit a station identifier and a wake up schedule to the proxy station, wherein the station identifier comprises at least one of a media access control (MAC) address, an application based identifier, an Internet Protocol (IP) address, and a device name, and wherein the wake up schedule comprises a time when the apparatus will be awake to listen for messages from other devices and a channel that the apparatus will use to communicate during the time.