Method of unified control of random access and traffic ingress in a congested radio access network

Patent metadata

Field	Value
Publication number	US-10075902-B2
Application number	US-201514679810-A
Country	US
Kind code	B2
Filing date	Apr 6, 2015
Priority date	Apr 8, 2014
Publication date	Sep 11, 2018
Grant date	Sep 11, 2018

Abstract

Application category-level access control for random access and traffic ingress using a joint control signal. The joint control signal may include application category access controls as well as an indication of applicability, which may indicate the connection states for which the access controls apply. The indication of applicability may also indicate the cause of access control. The indication of applicability may apply to all application category access controls, groups of application category access controls, or there may be separate indication of applicability for each application category access control. Resources may be conserved by using a single set of application category access controls for UEs in multiple connection states. The joint access controls may be transmitted to the UEs using signals such as SIBs.

First claim

What is claimed is:

1. A method performed by a user equipment (UE) in a wireless communications network, the method comprising:
receiving, from a base station of the wireless communications network, a joint control signal comprising access controls for a plurality of application categories and at least one indication of applicability of the access controls to a plurality of UE connection states with the wireless communications network, wherein the plurality of UE connection states comprise a connected state and an idle state;
determining an intent to initiate an application belonging to at least one of the plurality of application categories for performing a communication operation on the wireless communications network; and
allowing or barring, at the UE, initiation of the application based at least in part on the access controls, a current UE connection state, and the at least one indication of applicability of the access controls to the plurality of UE connection states.

2. The method of claim 1 , wherein allowing or barring initiation of the application comprises:
determining that the at least one indication of applicability indicates applicability of an access control associated with an application category for the application for the current UE connection state; and
determining whether to allow the initiation of the application based at least in part on the access control.

3. The method of claim 2 , wherein the access controls comprise a barring rate, a mean duration of access control, or a combination thereof.

4. The method of claim 3 , wherein allowing or barring initiation of the application comprises:
determining a random barring number; and
determining to not allow the initiation of the application based on determining that the random barring number exceeds the barring rate for the application category.

5. The method of claim 4 , further comprising:
determining a barring time period for the application based at least in part on the mean duration of access control; and
performing a deferred initiation operation for the initiation of the application after elapse of the barring time period.

6. The method of claim 5 , wherein the deferred initiation operation comprises:
determining whether to allow the initiation of the application after elapse of the barring time period based at least in part on the access control.

7. The method of claim 3 , wherein allowing or barring initiation of the application comprises:
determining a random barring number; and
determining to allow the initiation of the application based on determining that the random barring number is less than the barring rate for the application category.

8. The method of claim 3 , wherein the barring rate comprises one set of control bits indicating a barring rate value for the plurality of application categories.

9. The method of claim 3 , wherein the barring rate comprises a plurality of sets of control bits each indicating a barring rate value for one of the plurality of application categories.

10. The method of claim 1 , wherein allowing or barring initiation of the application comprises:
allowing the initiation of the application based at least in part on determining that the at least one indication of applicability indicates non-applicability for an access control associated with an application category for the application for the current UE connection state.

11. The method of claim 1 , wherein the at least one indication of applicability comprises one set of control bits indicating applicability of the access controls to the at least one of the plurality of UE connection states for the plurality of application categories.

12. The method of claim 1 , wherein the at least one indication of applicability comprises a plurality of sets of control bits each indicating applicability of the access controls to the at least one of the plurality of UE connection states for one of the plurality of application categories.

13. The method of claim 1 , wherein the joint control signal is used for application specific congestion control for data communications (ACDC) and prevention of mobile originated communication (PMOC).

14. The method of claim 1 , wherein determining the intent to initiate the application comprises receiving user input indicating the intent to initiate the application.

15. The method of claim 1 , wherein the joint control signal is received within a system information block (SIB).

16. A device for wireless communication, comprising:
a processor; and
a memory in electronic communication with the processor, the memory embodying instructions, the instructions being executable by the processor to:
receive, from a base station of a wireless communication network, a joint control signal comprising access controls for a plurality of application categories and at least one indication of applicability of the access controls to a plurality of UE connection states with the wireless communications network, wherein the plurality of UE connection states comprise a connected state and an idle state;
determine an intent to initiate an application belonging to at least one of the plurality of application categories for performing a communication operation on a wireless communications network; and
allow or bar, at the UE, initiation of the application based at least in part on the access controls, a current UE connection state, and the at least one indication of applicability of the access controls to the plurality of UE connection states.

17. The device of claim 16 , the memory further embodying instructions being executable by the processor to:
determine that the at least one indication of applicability indicates applicability of an access control associated with an application category for the application for the current UE connection state; and
determine whether to allow the initiation of the application based at least in part on the access control.

18. The device of claim 17 , wherein the access controls comprise a barring rate, a mean duration of access control, or a combination thereof.

19. The device of claim 18 , the memory further embodying instructions being executable by the processor to:
determine a random barring number; and
determine to not allow the initiation of the application based on determining that the random barring number exceeds the barring rate for the application category.

20. The device of claim 19 , the memory further embodying instructions being executable by the processor to:
determine a barring time period for the application based at least in part on the mean duration of access control; and
perform a deferred initiation operation for the initiation of the application after elapse of the barring time period.

21. The device of claim 18 , the memory further embodying instructions being executable by the processor to:
determine a random barring number; and
determine to allow the initiation of the application based on determining that the random barring number is less than the barring rate for the application category.

22. The device of claim 16 , the memory further embodying instructions being executable by the processor to:
allow the initiation of the application based at least in part on determining that the at least one indication of applicability indicates non-applicability for an access control associated with an application category for the application for the current UE connection state.

23. An apparatus for wireless comm

Assignees

• Qualcomm Inc

Inventors

• Gogic Aleksandar

Classifications

• H04W48/16

  Discovering, processing access restriction or access information · CPC title

• H04W28/0205

  at the air interface (dynamic wireless traffic scheduling H04W72/12) · CPC title

• H04W8/04

  Registration at HLR or HSS [Home Subscriber Server] · CPC title

• H04W74/0833

  Random access procedures, e.g. with 4-step access · CPC title

• H04W24/08

  Testing, {supervising or monitoring} using real traffic · CPC title