METHODS AND APPARATUS FOR PARAMETER SELECTION AND CONFLICT RESOLUTION FOR MULTIPLE RADIO ACCESS TECHNOLOGIES

• US 20150065144A1
• Filed: 03/14/2014
• Published: 03/05/2015
• Est. Priority Date: 09/04/2013
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Shen, Cong, Meshkati, Farhad, Sadek, Ahmed Kamel
• Granted Patent: US 9,319,901 B2
• Time in Patent Office: Days
• US Class Current: 455/438
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 72/1215 for collaboration of different radio technologies
• CPC Class Codes: H04W 84/045 using private Base Stations, e.g. femto Base Stations, home Node B
• CPC Class Codes: H04W 88/10 adapted for operation in multiple networks, e.g. multi-mode access points

Abstract

Methods and apparatus for communication comprise selecting a first parameter value for a first RAT transmission-related parameter from a first set of selectable first parameter values and a second parameter value for a second RAT transmission-related parameter from a second set of selectable second parameter values based at least in part on a mapping function that maps between ones of the first set of selectable first parameter values for the first RAT transmission-related parameter and the second set of selectable second parameter values for the second RAT transmission-related parameter. Moreover, the methods and apparatus comprise communicating using at least one of the first parameter value of the first RAT transmission-related parameter for the first RAT and the second parameter value of the second RAT transmission-related parameter for the second RAT.

Claims

1. A method of communication, comprising:

receiving a first set of selectable first parameter values for a first radio access technology (RAT) transmission-related parameter for a first RAT entity and a second set of selectable second parameter values for a second RAT transmission-related parameter for a second RAT entity;

selecting a first parameter value for the first RAT transmission-related parameter from the first set of selectable first parameter values and a second parameter value for the second RAT transmission-related parameter from the second set of selectable second parameter values based at least in part on a mapping function that maps between ones of the first set of selectable first parameter values for the first RAT transmission-related parameter and the second set of selectable second parameter values for the second RAT transmission-related parameter; and

communicating using at least one of the first parameter value of the first RAT transmission-related parameter for the first RAT and the second parameter value of the second RAT transmission-related parameter for the second RAT.

2. The method of claim 1, wherein selecting the first parameter value for the first RAT transmission-related parameter from the first set of selectable first parameter values and the second parameter value for the second RAT transmission-related parameter from the second set of selectable second parameter values comprises generating a random value within a defined range.

3. The method of claim 2, wherein the defined range is between “

1” and

a value greater than “

1”

.

4. The method of claim 2, further comprising:

determining a parameter index value using the mapping function as a function of the random value; and

selecting at least one of the first parameter value for the first RAT transmission-related parameter from the first set of selectable first parameter values and the second parameter value for the second RAT transmission-related parameter from the second set of selectable second parameter values based on the parameter index value.

5. The method of claim 1, further comprising performing one or more conflict detection procedures to detect a conflict with respect to one or both of the first parameter value for the first RAT transmission-related parameter and the second parameter value for the second RAT transmission-related parameter.

6. The method of claim 5, wherein performing one or more conflict detection procedures comprise:

performing one or both of a first RAT transmission-related parameter conflict detection procedure and a second RAT transmission-related parameter conflict detection procedure;

detecting at least one conflict condition based on the performing of at least one of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure;

obtaining an updated parameter value for at least one of the first RAT transmission-related parameter and the second RAT transmission-related parameter; and

setting the parameter value for one or both of the first RAT transmission-related parameter and the second RAT transmission-related parameter using the updated parameter value.

7. The method of claim 5, wherein performing one or more technology parameter conflict detection procedures comprise:

detecting a conflict triggering condition;

performing one or both of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure;

detecting at least one conflict condition based on the performing of at least one of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure; and

obtaining a first updated first parameter value for the first RAT transmission-related parameter in response to detecting at least one conflict condition.

8. The method of claim 7, further comprising:

obtaining a second updated first parameter value for the first RAT transmission-related parameter in response to detecting at least one conflict condition with respect to the first updated first parameter value;

preserving the first parameter value for the first RAT transmission-related parameter when the first updated first parameter value and the second updated first parameter value conflicts with the first parameter value for the first RAT transmission-related parameter;

determining an index value for the second RAT transmission-related parameter as a function of an updated parameter index value; and

selecting a new second parameter value for the second RAT transmission-related parameter from the second set of second selectable parameter values based at least on the index value for the second RAT transmission-related parameter.

9. The method of claim 5, wherein performing one or more technology parameter conflict detection procedures comprise:

detecting a conflict triggering condition;

performing one or both of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure;

detecting at least one conflict condition based on the performing of at least one of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure; and

obtaining a first updated second parameter value for the second RAT transmission-related parameter in response to detecting at least one conflict condition.

10. The method of claim 9, further comprising:

obtaining a second updated second parameter value for the second RAT transmission-related parameter in response to detecting at least one conflict condition with respect to the first updated second parameter value;

preserving the second parameter value for the second RAT transmission-related parameter when the first updated second parameter value and the second updated second parameter value conflicts with the second parameter value for the second RAT transmission-related parameter;

determining an updated parameter index value for the first RAT transmission-related parameter as a function of an index value for the second RAT transmission-related parameter; and

selecting a new first parameter for the first RAT transmission-related parameter from the first set of first selectable parameter values based at least on the updated parameter index value for the first RAT transmission-related parameter.

11. A non-transitory computer-readable medium, comprising:

at least one instruction for causing a computer to receive a first set of selectable first parameter values for a first radio access technology (RAT) transmission-related parameter for a first RAT entity and a second set of selectable second parameter values for a second RAT transmission-related parameter for a second RAT entity;

at least one instruction for causing a computer to select a first parameter value for the first RAT transmission-related parameter from the first set of selectable first parameter values and a second parameter value for the second RAT transmission-related parameter from the second set of selectable second parameter values based at least in part on a mapping function that maps between ones of the first set of selectable first parameter values for the first RAT transmission-related parameter and the second set of selectable second parameter values for the second RAT transmission-related parameter; and

at least one instruction for causing a computer to communicate using at least one of the first parameter value of the first RAT transmission-related parameter for the first RAT and the second parameter value of the second RAT transmission-related parameter for the second RAT.

12. An apparatus for communication, comprising:

means for receiving a first set of selectable first parameter values for a first radio access technology (RAT) transmission-related parameter for a first RAT entity and a second set of selectable second parameter values for a second RAT transmission-related parameter for a second RAT entity;

means for selecting a first parameter value for the first RAT transmission-related parameter from the first set of selectable first parameter values and a second parameter value for the second RAT transmission-related parameter from the second set of selectable second parameter values based at least in part on a mapping function that maps between ones of the first set of selectable first parameter values for the first RAT transmission-related parameter and the second set of selectable second parameter values for the second RAT transmission-related parameter; and

means for communicating using at least one of the first parameter value of the first RAT transmission-related parameter for the first RAT and the second parameter value of the second RAT transmission-related parameter for the second RAT.

13. An apparatus for communication, comprising:

a memory storing executable instructions;

and a processor in communication with the memory, wherein the processor is configured to execute the instructions to;

receive a first set of selectable first parameter values for a first radio access technology (RAT) transmission-related parameter for a first RAT entity and a second set of selectable second parameter values for a second RAT transmission-related parameter for a second RAT entity;

select a first parameter value for the first RAT transmission-related parameter from the first set of selectable first parameter values and a second parameter value for the second RAT transmission-related parameter from the second set of selectable second parameter values based at least in part on a mapping function that maps between ones of the first set of selectable first parameter values for the first RAT transmission-related parameter and the second set of selectable second parameter values for the second RAT transmission-related parameter; and

communicate using at least one of the first parameter value of the first RAT transmission-related parameter for the first RAT and the second parameter value of the second RAT transmission-related parameter for the second RAT.

14. The apparatus of claim 13, wherein to select the first parameter value for the first RAT transmission-related parameter from the first set of selectable first parameter values and the second parameter value for the second RAT transmission-related parameter from the second set of selectable second parameter values the processor is further configured to execute the instructions to generate a random value within a defined range.

15. The apparatus of claim 14, wherein the defined range is between “

1” and

a value greater than “

1”

.

16. The apparatus of claim 14, wherein the processor is further configured to execute the instructions to:

determine a parameter index value using the mapping function as a function of the random value; and

select at least one of the first parameter value for the first RAT transmission-related parameter from the first set of selectable first parameter values and the second parameter value for the second RAT transmission-related parameter from the second set of selectable second parameter values based on the parameter index value.

17. The apparatus of claim 13, wherein the processor is further configured to execute the instructions to perform one or more conflict detection procedures to detect a conflict with respect to at least one of the first parameter value for the first RAT transmission-related parameter or the second parameter value for the second RAT transmission-related parameter.

18. The apparatus of claim 17, wherein to perform one or more conflict detection procedures the processor is further configured to execute the instructions to:

perform one or both of a first RAT transmission-related parameter conflict detection procedure and a second RAT transmission-related parameter conflict detection procedure;

detect at least one conflict condition based on the performing of at least one of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure;

obtain an updated parameter value for at least one of the first RAT transmission-related parameter and the second RAT transmission-related parameter; and

set the parameter value for one or both of the first RAT transmission-related parameter and the second RAT transmission-related parameter using the updated parameter value.

19. The apparatus of claim 17, wherein to perform one or more technology parameter conflict detection procedures the processor is further configured to execute the instructions to:

detect a conflict triggering condition;

perform one or both of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure;

detect at least one conflict condition based on the performing of at least one of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure; and

obtain a first updated first parameter value for the first RAT transmission-related parameter in response to detecting at least one conflict condition.

20. The apparatus of claim 19, wherein the processor is further configured to execute the instructions to:

obtain a second updated first parameter value for the first RAT transmission-related parameter in response to detecting at least one conflict condition with respect to the first updated first parameter value;

preserve the first parameter value for the first RAT transmission-related parameter when the first updated first parameter value and the second updated first parameter value conflicts with the first parameter value for the first RAT transmission-related parameter;

determine an index value for the second RAT transmission-related parameter as a function of an updated parameter index value; and

select a new second parameter value for the second RAT transmission-related parameter from the second set of second selectable parameter values based at least on the index value for the second RAT transmission-related parameter.

21. The apparatus of claim 17, wherein to perform one or more technology parameter conflict detection procedures the processor is further configured to execute the instructions to:

detect a conflict triggering condition;

perform one or both of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure;

detect at least one conflict condition based on the performing of at least one of the first RAT transmission-related parameter conflict detection procedure and the second RAT transmission-related parameter conflict detection procedure; and

obtain a first updated second parameter value for the second RAT transmission-related parameter in response to detecting at least one conflict condition.

22. The apparatus of claim 21, wherein the processor is further configured to execute the instructions to:

obtain a second updated second parameter value for the second RAT transmission-related parameter in response to detecting at least one conflict condition with respect to the first updated second parameter value;

preserve the second parameter value for the second RAT transmission-related parameter when the first updated second parameter value and the second updated second parameter value conflicts with the second parameter value for the second RAT transmission-related parameter;

determine an updated parameter index value for the first RAT transmission-related parameter as a function of an index value for the second RAT transmission-related parameter; and

select a new first parameter for the first RAT transmission-related parameter from the first set of first selectable parameter values based at least on the updated parameter index value for the first RAT transmission-related parameter.