Allowing a rejected wireless communication device access to a communication channel

• US 9,300,442 B2
• Filed: 07/19/2012
• Issued: 03/29/2016
• Est. Priority Date: 07/21/2011
• Status: Expired due to Fees

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Jain, Vikrant, Dhanda, Mungal Singh, Children, Philip J.
• Primary Examiner(s): Moore, Ian N
• Assistant Examiner(s): MCCALLUM, LATRESA A
• Application Number:
  US13/553,576
• Publication Number:
  US 20130021971A1
• Time in Patent Office: 1,349 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04W 76/10 Connection setup

Abstract

Devices, systems, articles of manufacture, and methods for allowing a rejected wireless communication device access to a communication channel are described. According to some embodiments, a message that includes a wait state override indicator is generated. The message is transmitted to the wireless communication device. A communication channel is established with the wireless communication device based on the wait state override indicator. Other aspects, embodiments, and features are also claimed and described.

Claims

1. A method for establishing a communication channel with a wireless communication device that is a machine type communication (MTC) device, the method comprising:

receiving, at a base station, a first channel request from the wireless communication device;

transmitting, in response to the first channel request, an assignment reject message to the wireless communication device that comprises a wait state time period and is configured to place the wireless communication device into a wait state for the wait state time period;

generating a message that comprises a wait state override indicator in response to receiving an indication that the wait state of the wireless communication device needs overriding to allow communication with the wireless communication device, wherein the message is generated in response to reception of an urgent information message that comprises the wait state override indicator, the urgent information message initiated at a server outside a radio access network (RAN);

transmitting the message to the wireless communication device; and

establishing a communication channel with the wireless communication device based on the wait state override indicator.

2. The method of claim 1, further comprising receiving a second channel request from the wireless communication device, wherein the second channel request was made in response to the message.

3. The method of claim 2, wherein the second channel request is received via an access channel.

4. The method of claim 1, wherein the wireless communication device is in the wait state when the message is transmitted to the wireless communication device, and wherein channel requests cannot be transmitted by the wireless communication device unless the wait state is overridden.

5. The method of claim 4, wherein the message is transmitted prior to expiration of the wait state of the wireless communication device.

6. The method of claim 4, wherein the message is transmitted after expiration of the wait state of the wireless communication device.

7. The method of claim 1, wherein the message comprises a paging message.

8. The method of claim 1, wherein the wireless communication device can operate autonomously to initiate establishment of a communication channel.

9. The method of claim 1, wherein the method is performed by the base station, and wherein the wireless communication device is a machine type communication device.

10. The method of claim 1, wherein the wait state override indicator in the message is transmitted to more than one wireless communication device.

11. An apparatus for establishing a communication channel with a wireless communication device that is a machine type communication (MTC) device, comprising:

a processor;

memory in electronic communication with the processor; and

instructions stored in the memory, the instructions being executable by the processor to;

receive, at a base station, a first channel request from the wireless communication device;

transmit, in response to the first channel request, an assignment reject message to the wireless communication device that comprises a wait state time period and is configured to place the wireless communication device into a wait state for the wait state time period

generate a message that comprises the wait state override indicator in response to receiving an indication that a wait state of the wireless communication device needs overriding to allow communication with the wireless communication device, wherein the message is generated in response to reception of an urgent information message that comprises the wait state override indicator, the urgent information message initiated at a server outside a radio access network (RAN);

transmit the message to the wireless communication device; and

establish a communication channel with the wireless communication device based on the wait state override indicator.

12. The apparatus of claim 11, further comprising instructions executable to receive a second channel request from the wireless communication device, wherein the second channel request was made in response to the message.

13. The apparatus of claim 12, wherein the second channel request is received via an access channel.

14. The apparatus of claim 11, wherein the wireless communication device is in the wait state when the message is transmitted to the wireless communication device, and wherein channel requests cannot be transmitted unless the wait state is overridden.

15. The apparatus of claim 14, wherein the message is transmitted prior to expiration of the wait state of the wireless communication device.

16. The apparatus of claim 14, wherein the message is transmitted after expiration of the wait state of the wireless communication device.

17. The apparatus of claim 11, wherein the message comprises a paging message.

18. The apparatus of claim 11, wherein the wireless communication device can operate autonomously to initiate establishment of a communication channel.

19. The apparatus of claim 11, wherein the apparatus is a base station, and wherein the wireless communication device is a machine type communication device.

20. The apparatus of claim 11, wherein the wait state override indicator in the message is transmitted to more than one wireless communication device.

21. A method for establishing a communication channel by a wireless communication device that is a machine type communication (MTC) device, the method comprising:

transmitting a first channel request to a wireless communication system;

receiving an assignment reject message, that comprises a wait state time period, from the wireless communication system in response to the first channel request;

entering a wait state for the wait state time period based on the assignment reject message;

receiving a message from the wireless communication system, wherein the message is generated in response to an urgent information message that comprises the wait state override indicator, the urgent information message initiated at a server outside a radio access network (RAN);

determining from the message that the wait state is to be overridden; and

attempting to establish a communication channel with the wireless communication system based on the message.

22. The method of claim 21, wherein attempting to establish a communication channel comprises transmitting a second channel request on an access channel in response to the message.

23. The method of claim 21, further comprising waiting in the wait state, wherein channel requests cannot be transmitted unless the wait state is overridden.

24. The method of claim 21, wherein the message comprises a paging message, wherein the message comprises a wait state override flag, and wherein determining that a wait state is to be overridden comprises determining that the value of the wait state override flag indicates that the wait state is to be overridden.

25. The method of claim 21, further comprising returning to the wait state after completion of information exchange related to wait state override.

26. The method of claim 21, wherein the wireless communication device can operate autonomously to initiate establishment of a communication channel.

27. The method of claim 21, wherein the wireless communication device is a machine type communication device, and wherein the wireless communication system is a radio access network.

28. The method of claim 27, wherein the radio access network comprises one of a group of a gateway, a base station subsystem, a system control, a mobile switching station, and a serving general packet radio service support node.

29. An apparatus for establishing a communication channel by a wireless communication device that is a machine type communication (MTC) device, comprising:

a processor;

memory in electronic communication with the processor; and

instructions stored in the memory, the instructions being executable by the processor to;

transmit a first channel request to a wireless communication system;

receive an assignment reject message, that comprises a wait state time period, from the wireless communication system in response to the first channel request;

enter a wait state for the wait state time period based on the assignment reject message;

receive a message from the wireless communication system, wherein the message is generated in response to an urgent information message that comprises the wait state override indicator, the urgent information message initiated at a server outside a radio access network (RAN);

determine from the message that the wait state is to be overridden; and

attempt to establish a communication channel with the wireless communication system based on the message.

30. The apparatus of claim 29, wherein the instructions executable to attempt to establish a communication channel comprise instructions executable to transmit a second channel request on an access channel in response to the message.

31. The apparatus of claim 29, wherein the instructions are further executable to cause the wireless communication device to wait in the wait state, and wherein channel requests cannot be transmitted unless the wait state is overridden.

32. The apparatus of claim 29, wherein the message comprises a paging message, wherein the message comprises a wait state override flag, and wherein the instructions executable to determine that the wait state is to be overridden comprise instructions executable to determine that the value of the wait state override flag indicates that the wait state is to be overridden.

33. The apparatus of claim 29, wherein the instructions are further executable to return to the wait state after completion of information exchange related to wait state override.

34. The apparatus of claim 29, wherein the apparatus can operate autonomously to initiate establishment of a dedicated communication channel.

35. The apparatus of claim 29, wherein the apparatus is a machine type communication device, and wherein the wireless communication system is a radio access network.

36. The apparatus of claim 35, wherein the radio access network comprises one of a group of a gateway, a base station subsystem, a system control, a mobile switching station, and a serving general packet radio service support node.

37. A non-transitory computer-readable medium having instructions thereon for establishing a communication channel with a wireless communication device that is a machine type communication (MTC) device, the instructions comprising:

code for causing a base station to receive a first channel request from the wireless communication device;

code for causing the base station to transmit, in response to the first channel request, an assignment reject message to the wireless communication device that comprises a wait state time period and is configured to place the wireless communication device into a wait state for the wait state time period;

code for causing the base station to generate a message that comprises a wait state override indicator in response to receiving an indication that the wait state of the wireless communication device needs overriding to allow communication with the wireless communication device, wherein the message is generated in response to reception of an urgent information message that comprises the wait state override indicator, the urgent information message initiated at a server outside a radio access network (RAN);

code for causing the base station to transmit the message to the wireless communication device; and

code for causing the base station to establish a communication channel with the wireless communication device based on the wait state override indicator.

38. The computer-readable medium of claim 37, wherein the wireless communication device is in the wait state when the message is transmitted to the wireless communication device, and wherein channel requests cannot be transmitted unless the wait state is overridden.

39. The computer-readable medium of claim 38, wherein the message is transmitted prior to the expiration of the wait state of the wireless communication device.

40. The computer-readable medium of claim 37, wherein the message comprises a paging message.

41. A non-transitory computer-readable medium having instructions thereon for establishing a communication channel by a wireless communication device that is a machine type communication (MTC) device, the instructions comprising:

code for causing the wireless communication device to transmit a first channel request to a wireless communication system;

code for causing the wireless communication device to receive an assignment reject message, that comprises a wait state time period, from the wireless communication system in response to the first channel request;

code for causing the wireless communication device to enter a wait state for the wait state time period based on the assignment reject message;

code for causing the wireless communication device to receive a message from the wireless communication system, wherein the message is generated in response to an urgent information message that comprises the wait state override indicator, the urgent information message initiated at a server outside a radio access network (RAN);

code for causing the wireless communication device to determine from the message that the wait state is to be overridden; and

code for causing the wireless communication device to attempt to establish a communication channel with the wireless communication system based on the message.

42. The computer-readable medium of claim 41, wherein the code for causing the wireless communication device to attempt to establish a communication channel comprises code for causing the wireless communication device to transmit a second channel request on an access channel in response to the message.

43. The computer-readable medium of claim 41, further comprising code for causing the wireless communication device to wait in the wait state, wherein channel requests cannot be transmitted unless the wait state is overridden.

44. The computer-readable medium of claim 41, wherein the message comprises a paging message, wherein the message comprises a wait state override flag, and wherein the code for causing the wireless communication device to determine that the wait state is to be overridden comprises code for causing the wireless communication device to determine that the value of the wait state override flag indicates that the wait state is to be overridden.

45. A wireless communication device that is a machine type communication (MTC) device comprising:

a processor;

a memory coupled to the processor, wherein the memory includes instructions executable by the processor to;

transmit a first channel request to a base station;

receive an assignment reject message, that comprises a wait state time period, from the base station in response to the first channel request;

enter the wireless communication device in a wait state for the wait time period based on the assignment reject message;

monitor for an override flag, wherein the override flag is generated in response to an urgent information message, the urgent information message initiated at a server outside a radio access network (RAN);

enter the wireless communication device from the wait state to a communication state by attempting to communicate with the base station based on receiving the override flag;

enable the wireless communication device to enter the communicate state with the base station; and

upon completion of the communicate state, re-enter the wireless communication device in a wait state.

46. The wireless communication device of claim 45, wherein while the wireless communication device is in the wait state, the wireless communication device cannot transmit messages relating to establishment of a communication channel unless the wait state is overridden.

47. The wireless communication device of claim 46, wherein the override flag is transmitted prior to the expiration of the wait state of the wireless communication device.

48. The wireless communication device of claim 46, wherein the messages comprises at least one paging message.