Granted Patent B2

US 7,471,654 · App. 11/025,668 · Granted Dec 30, 2008

Abstract

Claims (75)

1. A method for assigning at least one channel of a plurality of channels to a mobile station in response to a request for service in a wireless communication network serving a plurality of regions, said mobile station being located in one of said regions, the method comprising:

determining a first indication of congestion on a forward access channel and a second indication of congestion on a random access channel;

determining a service type of said request for service;

determining a radio frequency environment status based on a measured signal quality indication that is formed based on a ratio of the average power of a common pilot channel to a total signal power;

selecting at least one dedicated channel or at least one common channel based on the first and second indications of congestion, the determined service type, and the radiofrequency environment status; and

assigning said at least one selected channel to said mobile station.

2. A method, as set forth in claim 1 , further comprising:

adjusting a first threshold based on said first indication of congestion on the forward access channel and a second threshold based on said second indication of congestion on the random access channel;

determining at least one of status of a condition of radio frequency environment and status of a loading on a direct channel; and

setting a value of each of said first and second thresholds based on at least one of said condition of radio frequency environment and said loading on a direct channel.

3. A method, as set forth in claim 2 , further comprising:

determining a condition of wireless communication environment for transmission of data over said wireless communication network;

deciding if a specific signaling connection for said mobile station located in said one of plurality of regions shall be established in a particular mobile station state based on said service type and said condition of wireless communication environment;

detecting said request for service to establish a signaling connection;

in response to said request for service, triggering an algorithm that decides whether to allow the transmission of data in at least one of a direct channel and a forward access channel, wherein said both channels associated with said one of plurality of regions; and

receiving a radio resource control signaling connection request to trigger the algorithm.

4. A method, as set forth in claim 3 , further comprising:

receiving an update message for said one of plurality of regions with a cause to trigger the algorithm.

5. A method, as set forth in claim 3 , further comprising:

receiving a message for an initial uplink direct transfer to trigger the algorithm.

6. A method, as set forth in claim 3 , further comprising:

evaluating said service type of said request for service into at least one of three categories including a first category indicating that said service shall go to the direct channel associated with said one of plurality of regions, a second category indicating that said service shall go to the forward access channel associated with said one of the plurality of regions, and a third category indicating that said service should go into the forward access channel associated with said one of plurality or regions.

7. A method, as set forth in claim 6 , further comprising:

in response to said service type of said request for service being the first category indicating that said service shall go to the direct channel associated with said one of plurality of regions, establishing the signaling connection in the direct channel.

8. A method, as set forth in claim 6 , further comprising:

in response to said service type of said request for service being the second category indicating that said service shall go to the forward access channel associated with said one of plurality of regions, establishing the signaling connection in the forward access channel.

9. A method, as set forth in claim 6 , further comprising:

in response to said service type of said request for service being the third category indicating that said service should go into the forward access channel associated with said one of plurality of regions, establishing the signaling connection based on the condition of wireless communication environment and a congestion state on at least one of the forward access channel and the random access channel.

10. A method, as set forth in claim 9 , further comprising:

determining whether or not the forward access channel and the random access channel are congested based on the congestion state thereof; and

in response to the condition of wireless communication environment to be the center of said one of plurality of regions and the forward access channel and the random access channel are determined to be not congested, establishing the signaling connection in the forward access channel.

11. A method, as set forth in claim 9 , further comprising:

in response to the condition of wireless communication environment to be the edge of said one of plurality of regions or RACH/FACH are congested, establishing the signaling connection in the direct channel.

12. A method, as set forth in claim 3 , further comprising:

applying the algorithm during establishment of the signaling connection using a radio resource control to cause said mobile station to transition from an idle mode to a connected mode.

13. A method, as set forth in claim 3 , further comprising:

applying the algorithm during a transition of said mobile station from a paging channel associated with a registration area of a universal mobile telecommunications system terrestrial radio access network to said at least one of the direct channel and the forward access channel, said both channels associated with said one of plurality of regions.

14. A method, as set forth in claim 3 , further comprising:

applying the algorithm during a transition of said mobile station from the forward access channel to the direct channel, wherein said both channels associated with said one of plurality of regions, in response to an establishment of a radio access bearer.

15. A method for assigning at least one channel of a plurality of channels to a mobile station in response to a request for service in a wireless communication network serving a plurality of regions, said mobile station being located in one of said regions, the method comprising:

detecting said request for service to establish a signaling connection;

in response to said request for service, triggering an algorithm that decides whether to allow the transmission of data in at least one of a direct channel and a forward access channel, wherein said both channels are associated with said one of plurality of regions; said algorithm comprising:

determining a first indication of congestion on a forward access channel and a second indication of congestion on a random access channel;

assigning said at least one channel of a plurality of channels to said mobile station based on said determined first and second indications of congestion

adjusting a first threshold based on said first indication of congestion on the forward access channel and a second threshold based on said second indication of congestion on the random access channel;

determining at least one of a status of a condition of a radio frequency wireless communication environment for transmission of data over said wireless communication network and a status of a loading on a direct channel;

setting a value of each of said first and second thresholds based on at least one of said condition of radio frequency environment and said loading on a direct channel;

determining a service type of said request for service;

deciding if a specific signaling connection for said mobile station located in said one of plurality of regions shall be established in a particular mobile station state based on said service type and said condition of wireless communication environment;

receiving a radio resource control signaling connection request to trigger the algorithm; and

determining for the condition of wireless communication environment a radio frequency environment status based on a measured signal quality indication being a ratio of the average power of a common pilot channel to the total signal power.

16. A method, as set forth in claim 15 , further comprising:

extracting the measured signal quality indication from measured results to carry the data on the random access channel.

17. A method, as set forth in claim 16 , further comprising:

comparing the measured signal quality indication with a threshold of a signal quality on the forward access channel; and

in response to the measured signal quality indication being more than or equal to the threshold, setting the condition of wireless communication environment to be the center of said one of plurality of regions.

18. A method, as set forth in claim 16 , further comprising:

comparing the measured signal quality indication with a threshold of a signal quality on the forward access channel; and

in response to the measured signal quality indication being less than the threshold, setting the condition of wireless communication environment to be the edge of said one of plurality of regions.

19. A method, as set forth in claim 16 , further comprising:

determining whether the measured results to carry the data on the random access channel for more than said one of plurality of regions are reported; and

in response to an absolute difference between a first reported value of a first strongest cell for a first measured signal quality indication and a second reported value of a second strongest cell for a second measured signal quality indication is less than a threshold of soft handover, setting the condition of wireless communication environment to be the edge of said one of plurality of regions.

20. A method for assigning at least one channel of a plurality of channels to a mobile station in response to a request for service in a wireless communication network sewing a plurality of regions, said mobile station being located in one of said regions, the method comprising:

detecting said request for service to establish a signaling connection;

in response to said request for service, triggering an algorithm that decides whether to allow the transmission of data in at least one of a direct channel and a forward access channel, wherein said both channels associated with said one of plurality of regions; said algorithm comprising:

determining a first indication of congestion on a forward access channel and a second indication of congestion on a random access channel;

assigning said at least one channel of a plurality of channels to said mobile station based on said determined first and second indications of congestion;

adjusting a first threshold based on said first indication of congestion on the forward access channel and a second threshold based on said second indication of congestion on the random access channel;

determining at least one of a status of a condition of a radio frequency environment for transmission of data over said wireless communication network and a status of a loading on a direct channel;

setting a value of each of said first and second thresholds based on at least one of said condition of radio frequency environment and said loading on a direct channel;

determining a service type of said request for service;

deciding if a specific signaling connection for said mobile station located in said one of plurality of regions shall be established in a particular mobile station state based on said service type and said condition of wireless communication environment;

receiving a radio resource control signaling connection request to trigger the algorithm; and

adjusting a threshold of a signal quality on the forward access channel; and

tuning the algorithm performance for a signal quality on a common pilot channel being measured as a ratio of the average power of the common pilot channel to the total signal power based on the adjustment of the threshold.

Assignments (14)