Wait Timer for Delay Tolerant Terminal

• US 20120178436A1
• Filed: 01/07/2011
• Published: 07/12/2012
• Est. Priority Date: 01/07/2011
• Status: Active Grant

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Renesas Mobile Corporation (Renesas Electronics Corporation)
• Inventors: FAN, Jianke
• Granted Patent: US 9,198,216 B2
• Time in Patent Office: Days
• US Class Current: 455/422.1
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 76/18 Management of setup rejection or failure

Abstract

The invention provides a method, an apparatus and a computer program for wireless communication. The invention includes setting a wait timer value for a delay tolerant apparatus for wireless communication as a response to an unsuccessful radio resource connection setup procedure, said wait timer delaying the radio resource connection setup procedure and calculating or searching the wait timer value from a table comprising timer data and values corresponding to timer setup information.

Claims

1. A method, comprising

setting a wait timer value for a delay tolerant apparatus for wireless communications as a response to an unsuccessful radio resource connection setup procedure, said wait timer delaying the radio resource connection setup procedure;

and

calculating the wait timer value from a table comprising timer data and values corresponding to timer setup information.

2. The method according to claim 1, wherein the timer setup information comprises at least two portions, a first portion comprising a first value and a second portion comprising the timer data pointing to said table;

and

calculating the wait timer value comprises using the first value and a value obtained from said table with the timer data.

3. The method according to claim 1, wherein the timer setup information is comprised in a RRC Connection Reject message or a RRC Connection Release message.

4. The method according to claim 2, wherein the wait timer value is calculated by multiplying the first value by the value obtained from the table.

5. The method according to claim 2, wherein the wait timer value is calculated by adding the first value to the value obtained from the table.

6. The method according to claim 1, wherein the timer is a T302 timer.

7. The method according to claim 1, wherein the apparatus for wireless communication is configured for machine-to-machine communications.

8. The method according to claim 1, wherein the apparatus for wireless communication is connected to a mobile network, wherein the method comprises:

sending a delay tolerant indicator from the apparatus for wireless communications to the mobile network; and

sending the timer setup information from the network to the apparatus for wireless communication as a response to receiving the delay tolerant indicator.

9. The method according to claim 1, wherein the timer setup information comprises at least two portions, a first portion comprising a row index and a second portion comprising a column index pointing to said table;

and

calculating the wait timer value comprises using the row index and the column index to indicate the wait timer value.

10. The method according to claim 9, comprising

adding a random value to the wait timer value after receiving the wait timer value at a network attached storage (NAS) layer, wherein the random value is smaller than the wait timer value, and

using the result as a final wait timer value.

11. An apparatus for wireless communication, comprising

a wait timer configured to delay a radio resource connection setup procedure after an unsuccessful connection setup procedure;

at least one memory configured to store a table for timer data and values corresponding to timer setup information; and

at least one processor configured to calculate the wait timer value from a table comprising timer data and values corresponding to the timer setup information.

12. The apparatus for wireless communication according to claim 11, wherein the processor is configured to divide the timer setup information into at least two portions, a first portion comprising a first value and a second portion comprising timer data pointing to said table;

and

the processor is configured to calculate the wait timer value by using the first value and a value obtained from said table with the timer data.

13. The apparatus for wireless communication according to claim 11, wherein the timer setup information is comprised in a RRC Connection Reject message or a RRC Connection Release message.

14. The apparatus for wireless communication according to claim 12, wherein the processor is configured to calculate the wait timer value by multiplying the first value by the value obtained from the table.

15. The apparatus for wireless communication according to claim 12, wherein the processor is configured to calculate the wait timer value by adding the first value to the value obtained from the table.

16. The apparatus for wireless communication according to claim 11, wherein the processor is configured to divide the timer setup information into at least two portions, a first portion comprising a row index and a second portion comprising a column index pointing to said table;

and

the processor is configured to calculate the wait timer value by using the row index and the column index to indicate the wait timer value.

17. The apparatus for wireless communication according to claim 16, wherein the processor is configured to

add a random value to the wait timer value after receiving the wait timer value at a network attached storage (NAS) layer, wherein the random value is smaller than the wait timer value, and

using the result as a final wait timer value.

18. The apparatus for wireless communication according to claim 11, wherein the apparatus for wireless communication is configured for machine-to-machine type communications.

19. A computer program product comprising a computer-readable medium bearing computer program code embodied therein for use with a computer, the computer program code comprising:

setting a wait timer value for a delay tolerant apparatus for wireless communications as a response to an unsuccessful radio resource connection setup procedure, said wait timer delaying the radio resource connection setup procedure; and

calculating the wait timer value from a table comprising timer data and values corresponding to timer setup information.

20. A computer program product according to claim 19, wherein the timer setup information comprises at least two portions, a first portion comprising a first value and a second portion comprising the timer data pointing to said table;

and

calculating the wait timer value comprises using the first value and a value obtained from said table with the timer data.