System and method for forming ad-hoc location-based multicast group

• US 8,103,300 B2
• Filed: 04/04/2006
• Issued: 01/24/2012
• Est. Priority Date: 04/04/2005
• Status: Expired due to Fees

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Gogic, Aleksandar
• Primary Examiner(s): RAMPURIA, SHARAD K
• Application Number:
  US11/398,207
• Publication Number:
  US 20070173273A1
• Time in Patent Office: 2,121 Days
• Field of Search: 455518-519, 455/41.2, 455/456.1, 455/414.1, 709/204
• US Class Current: 455/519
• CPC Class Codes: H04B 7/026 Co-operative diversity, e.g. using fixed or mobile stations as relays
• CPC Class Codes: H04M 2215/2073 Multipoint, e.g. messaging, broadcast or group SMS
• CPC Class Codes: H04W 4/08 User group management
• CPC Class Codes: H04W 4/10 Push-to-Talk [PTT] or Push-On-Call services
• CPC Class Codes: H04W 4/90 Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
• CPC Class Codes: H04W 76/45 for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
• CPC Class Codes: H04W 76/50 for emergency connections
• CPC Class Codes: H04W 8/186 Processing of subscriber group data
• CPC Class Codes: H04W 80/06 Transport layer protocols, e.g. TCP [Transport Control Protocol] over wireless transmission control protocol/Internet protocol [TCP/IP] or user datagram protocol [UDP] H04L69/16

Abstract

A system, method, and media for providing group communication services to an ad-hoc group formed according to vicinity with other users of communication devices in a communication system. Communicating among a communication group of a plurality of wireless communication devices in a communication system includes forming the communication group including transmitting an invitation including group membership location criteria to join the communication group to the plurality of wireless communication devices. The group membership location criteria is evaluated at each of the plurality of wireless communication devices receiving the invitation and the communication group is formed by ones of the plurality of wireless communication devices that meet the group membership location criteria. Permission to transmit to others of the plurality of wireless communication devices of the communication group is granted to one of the wireless communication devices of the communication group.

Claims

1. A method of communicating among a communication group of a plurality of wireless communication devices in a communication system, the method comprising:

transmitting an invitation to join the communication group to the plurality of wireless communication devices, the invitation including group membership location criteria;

receiving an acceptance to the invitation from at least one of the plurality of wireless communication devices based on a determination by the at least one of the plurality of wireless communication devices that a location of the at least one of the plurality of wireless communication devices meets the group membership location criteria;

forming the communication group comprised of ones of the plurality of wireless communication devices that meet the group membership location criteria; and

granting to one of the plurality of wireless communication devices of the communication group permission to transmit to others of the plurality of wireless communication devices of the communication group.

2. The method of claim 1, wherein receiving the acceptance to the invitation from at least one of the plurality of wireless communication devices further comprises receiving an acceptance of the invitation to join the communication group from each of the plurality of wireless communication devices that meet the group membership location criteria.

3. The method of claim 1, further comprising broadcasting a flag in a first common channel directing the plurality of wireless communication devices to monitor a second common channel.

4. The method of claim 3, wherein the first common channel is a paging channel.

5. The method of claim 3, wherein the second common channel is an emergency common channel.

6. The method of claim 1, wherein receiving the acceptance to the invitation is based on an evaluation, at the plurality of wireless communication devices, of evaluating the group membership location criteria including comparing a present location of each of the plurality of wireless communication devices receiving the invitation with the group membership location criteria to determine ones of the plurality of wireless communication devices that are inclusive of the group membership location criteria.

7. The method of claim 1, wherein the granting to one of the plurality of wireless communication devices of the communication group permission to transmit further comprises determining availability of communication resources to grant in the communication system and when the communication resources are available, granting access to the communication resources to the one of the plurality of wireless communication devices of the communication group.

8. The method of claim 1, wherein the granting to one of the plurality of wireless communication devices of the communication group permission to transmit further comprises denying grant of access to communication resources of the one of the plurality of wireless communication devices when floor restriction criteria restrict access of the one of the plurality of wireless communication devices to communication resources.

9. The method of claim 1, wherein the granting to one of the plurality of wireless communication devices of the communication group permission to transmit further comprises prioritizing grant of access to communication resources of the one of the plurality of wireless communication devices when prioritization criteria prioritizes access of the one of the plurality of wireless communication devices to communication resources.

10. The method of claim 1, further comprising receiving instructions from a dispatcher for permission for the one of the plurality of wireless communication devices to transmit to others of the plurality of wireless communication devices;

and

wherein the granting to one of the plurality of wireless communication devices of the communication group permission to transmit includes granting permission based on the received instructions from the dispatcher.

11. The method of claim 1, further comprising releasing the permission of the one of the plurality of wireless communication devices to transmit to others of the plurality of wireless communication devices of the communication group based on instructions received from a dispatcher.

12. In a wireless communication device, a method of communicating in a communication group of a plurality of wireless communication devices in a communication system, the method comprising:

receiving an invitation to join the communication group, the invitation including group membership location criteria;

evaluating the group membership location criteria to determine whether a location of the wireless communication device meets the group membership location criteria;

joining the communication group based on determining that the location of the wireless communication device meets the group membership location criteria; and

transmitting to other ones of the plurality of wireless communication devices of the communication group upon receipt of permission to transmit in the communication system to others of the plurality of wireless communication devices of the communication group.

13. The method of claim 12, wherein the joining the communication group further comprises accepting the invitation to join the communication group when the wireless communication device meets the group membership location criteria.

14. The method of claim 12, further comprising monitoring a first common channel for a flag directing the wireless communication device to monitor a second common channel including the invitation.

15. The method of claim 14, wherein the first common channel is a paging channel.

16. The method of claim 14, wherein the second common channel is an emergency common channel.

17. The method of claim 12, wherein evaluating the group membership location criteria comprises comparing a present location of the wireless communication device with the group membership location criteria to determine whether the wireless communication device is inclusive of the group membership location criteria.

18. A wireless communication system, comprising:

a communication manager including a dispatcher interface configured to generate an invitation to join a communication group, the invitation including group membership location criteria, the communication manager further configured to grant to one of the communication group permission to transmit to others of the communication group; and

a base station configured to transmit the invitation to join the communication group to a plurality of wireless communication devices and to receive an acceptance to the invitation from at least one of the plurality of wireless communication devices based on a determination by the at least one of the plurality of wireless communication devices that a location of the at least one of the plurality of wireless communication devices meets the group membership location criteria.

19. The wireless communication system of claim 18, wherein the communication manager and the base station are further configured to broadcast a flag in a first common channel directing the plurality of wireless communication devices to monitor a second common channel including the invitation.

20. The wireless communication system of claim 19, wherein the first common channel is a paging channel.

21. The wireless communication system of claim 19, wherein the second common channel is an emergency common channel.

22. The wireless communication system of claim 18, wherein the base station is further configured to receive an acceptance of the invitation from each of the plurality of wireless communication devices that compare a respective present location with the group membership location criteria to determine that each of the plurality of wireless communication devices are inclusive of the group membership location criteria.

23. The wireless communication system of claim 18, wherein the communication manager is further configured to determine availability of communication resources to grant in the communication system and when the communication resources are available to grant access to the communication resources to the one of the plurality of wireless communication devices of the communication group.

24. The wireless communication system of claim 18, wherein the communication manager is further configured to deny grant of access to communication resources of the one of the plurality of wireless communication devices when floor restriction criteria restrict access of the one of the plurality of wireless communication devices to communication resources.

25. The wireless communication system of claim 18, wherein the communication manager is further configured to prioritize grant of access to communication resources of the one of the plurality of wireless communication devices when prioritization criteria prioritizes access of the one of the plurality of wireless communication devices to communication resources.

26. The wireless communication system of claim 18, wherein the communication manager is further configured to grant to one of the plurality of wireless communication devices of the communication group permission to transmit when instructed by a dispatcher.

27. The wireless communication system of claim 18, wherein the communication manager is further configured to release the permission of the one of the plurality of wireless communication devices to transmit to others of the plurality of wireless communication devices of the communication group based on instructions from a dispatcher.

28. A communication device for communicating in a communication group of a plurality of wireless communication devices, the communication device comprising:

means for receiving an invitation to join the communication group, the invitation including group membership location criteria;

means for evaluating the group membership location criteria to determine whether a location of the communication device meets the group membership location criteria;

means for joining the communication group when the means for evaluating has determined that the location of the communication device meets the group membership location criteria; and

means for transmitting to other ones of the plurality of wireless communication devices of the communication group upon receipt of permission to transmit in a communication system to others of the plurality of wireless communication devices of the communication group.

29. The communication device of claim 28, wherein the means for joining the communication group further comprises means for accepting the invitation to join the communication group when the communication device meets the group membership location criteria.

30. The communication device of claim 28, further comprising means for monitoring a first common channel for a flag directing the wireless communication device to monitor a second common channel including the invitation.

31. The communication device of claim 30, wherein the first common channel is a paging channel.

32. The communication device of claim 30, wherein the second common channel is an emergency common channel.

33. The communication device of claim 28, wherein the means for evaluating the group membership location criteria comprises means for comparing a present location of the wireless communication device with the group membership location criteria to determine whether the wireless communication device is inclusive of the group membership location criteria.

34. A network device for communicating among a communication group of a plurality of wireless communication devices in a communication system, the network device comprising:

means for transmitting an invitation to join the communication group to the plurality of wireless communication devices, the invitation including group membership location criteria;

means for receiving an acceptance to the invitation from at least one of the plurality of wireless communication devices based on a determination by the at least one of the plurality of wireless communication devices that a location of the at least one of the plurality of wireless communication devices meets the group membership location criteria;

means for forming the communication group comprised of ones of the plurality of wireless communication devices that meet the group membership location criteria; and

means for granting to one of the plurality of wireless communication devices of the communication group permission to transmit to others of the plurality of wireless communication devices of the communication group.

35. A communication device for communicating in a communication group of a plurality of wireless communication devices, the communication device comprising:

a receiver to receive an invitation to join the communication group the invitation including group membership location criteria;

an evaluation component to evaluate the group membership location criteria to determine whether a location of the communication device meets the group membership location criteria;

a joining component to join the communication group when the evaluation component has determined that the location of the communication device meets the group membership location criteria; and

a transmitter to transmit to other ones of the plurality of wireless communication devices of the communication group upon receipt of permission to transmit in a communication system to others of the plurality of wireless communication devices of the communication group.

36. The communication device of claim 35, wherein the evaluation component is configured to generate and initiate transmission of an acceptance of the invitation to join the communication group when the communication device meets the group membership location criteria.

37. The communication device of claim 35, further comprising a monitor component for monitoring a first common channel for a flag directing the wireless communication device to monitor a second common channel including the invitation.

38. The communication device of claim 37, wherein the first common channel is a paging channel.

39. The communication device of claim 37, wherein the second common channel is an emergency common channel.

40. The communication device of claim 35, wherein the evaluation component is configured to compare a present location of the wireless communication device with the group membership location criteria to determine if the wireless communication device is inclusive of the group membership location criteria.

41. A tangible computer readable medium containing instructions for communicating among a communication group of a plurality of wireless communication devices in a communication system, the instructions executable by a processor to cause the processor to:

transmit an invitation to join the communication group to the plurality of wireless communication devices, the invitation including group membership location criteria;

receive an acceptance to the invitation from at least one of the plurality of wireless communication devices based on a determination by the at least one of the plurality of wireless communication devices that a location of the at least one of the plurality of wireless communication devices meets the group membership location criteria;

form the communication group comprised of ones of the plurality of wireless communication devices that meet the group membership location criteria; and

grant to one of the plurality of wireless communication devices of the communication group permission to transmit to others of the plurality of wireless communication devices of the communication group.

42. The tangible computer readable medium of claim 41, wherein receiving the acceptance to the invitation from at least one of the plurality of wireless communication devices further comprises receiving an acceptance of the invitation to join the communication group from each of the plurality of wireless communication devices that meets the group membership location criteria.

43. The tangible computer readable medium of claim 41, wherein the instructions are further executable by the processor to cause the processor to broadcast a flag in a first common channel directing the plurality of wireless communication devices to monitor a second common channel.

44. The tangible computer readable medium of claim 43, wherein the first common channel is a paging channel.

45. The tangible computer readable medium of claim 43, wherein the second common channel is an emergency common channel.

46. The tangible computer readable medium of claim 41, wherein the processor compares a present location of each of the plurality of wireless communication devices receiving the invitation with the group membership location criteria to determine ones of the plurality of wireless communication devices that satisfy the group membership location criteria.

47. The tangible computer readable medium of claim 41, wherein the granting to one of the plurality of wireless communication devices of the communication group permission to transmit further comprises determining availability of communication resources to grant in the communication system and when the communication resources are available, granting access to the communication resources to the one of the plurality of wireless communication devices of the communication group.

48. The tangible computer readable medium of claim 41, wherein the granting to one of the plurality of wireless communication devices of the communication group permission to transmit further comprises denying grant of access to communication resources of the one of the plurality of wireless communication devices when floor restriction criteria restrict access of the one of the plurality of wireless communication devices to communication resources.

49. The tangible computer readable medium of claim 41, wherein the granting to one of the plurality of wireless communication devices of the communication group permission to transmit further comprises prioritizing grant of access to communication resources of the one of the plurality of wireless communication devices when prioritization criteria prioritizes access of the one of the plurality of wireless communication devices to communication resources.

50. The tangible computer readable medium of claim 41, wherein the instructions are further executable by the processor to cause the processor to receive instructions from a dispatcher for permission for the one of the plurality of wireless communication devices to transmit to others of the plurality of wireless communication devices,

wherein the granting to one of the plurality of wireless communication devices of the communication group permission to transmit includes granting permission based on the received instructions from the dispatcher.

51. The tangible computer readable medium of claim 41, wherein the instructions are further executable by the processor to cause the processor to release the permission of the one of the plurality of wireless communication devices to transmit to others of the plurality of wireless communication devices of the communication group based on instructions received from a dispatcher.

52. A tangible computer readable medium containing instructions for communicating in a communication group of a plurality of wireless communication devices in a communication system, the instructions executable by a processor of a wireless communication device to cause the processor to:

receive an invitation to join the communication group, the invitation including group membership location criteria;

evaluate the group membership location criteria to determine whether a location of the wireless communication device meets the group membership location criteria;

join the communication group based on determining that the location of the wireless communication device meets the group membership location criteria; and

transmit to at least one of the plurality of wireless communication devices of the communication group upon receipt of permission to transmit in the communication system to others of the plurality of wireless communication devices of the communication group.

53. The tangible computer readable medium of claim 52, wherein the joining the communication group further comprises accepting the invitation to join the communication group when the wireless communication device meets the group membership location criteria.

54. The tangible computer readable medium of claim 52, wherein the instructions are further executable by the processor to cause the processor to monitor a first common channel for a flag directing the wireless communication device to monitor a second common channel.

55. The tangible computer readable medium of claim 54, wherein the first common channel is a paging channel.

56. The tangible computer readable medium of claim 54, wherein the second common channel is an emergency common channel.

57. The tangible computer readable medium of claim 52, wherein evaluating the group membership location criteria comprises comparing a present location of the wireless communication device with the group membership location criteria to determine whether the wireless communication device satisfies the group membership location criteria.