Granted Patent B2

US 9,414,269 · App. 12/780,680 · Granted Aug 9, 2016

Inventor: David Philip Hole (Slough, GB)

Assignee: BlackBerry Limited

H04W36/0055H04L1/0026H04W24/10H04W36/0088H04W72/0413H04W84/045

Abstract

Claims (43)

1. A method comprising:

detecting a cell and performing signal strength measurements in respect of the cell;

in respect of the cell, transmitting at least one measurement report using a first measurement report format; and

in respect of the cell, transmitting at least one measurement report using a second measurement report format,

wherein the first measurement report format is a measurement report format that includes cell identity; and

wherein the second measurement report format is a measurement report format that does not include the cell identity; and

wherein transmitting measurement reports comprises transmitting a defined sequence of measurement reports using the first measurement report format and measurement reports that use the second measurement report format.

2. The method of claim 1 further comprising:

if the mobile station sends a measurement report for a cell, which it has not reported within a preceding defined time period, transmitting the measurement report using the first measurement report format, and sending at least a further N_min−1 reports for the same cell while the cell meets applicable measurement reporting criteria, the last of which uses the first measurement report format, wherein N_min is an integer parameter.

3. The method of claim 1 further comprising:

after sending a measurement report in respect of the cell, so long as that cell continues to meet measurement reporting criteria, transmitting further measurement reports in respect of the cell over at least a defined time period.

4. The method of claim 1 further comprising:

after sending a measurement report in respect of the cell, so long as that cell continues to meet measurement reporting criteria, transmitting measurement reports in respect of the cell such that at least N_RP_min measurement reports are transmitted that use the first measurement report format, wherein N_RP_min is an integer parameter.

5. The method of claim 1 further comprising:

after sending a measurement report in respect of the cell, so long as that cell continues to meet measurement reporting criteria, transmitting measurement reports in respect of the cell such that at least N_RP_min measurement reports are transmitted using the first measurement report format, and such that no more than N_RP_max measurement reports using the first measurement report format are sent for the same cell in a defined period, wherein N_RP_min and N_RP_max are integer parameters.

6. The method of claim 1 further comprising:

for at least one measurement report, including an indication of where the measurement report is in the defined sequence.

7. The method of claim 1 further comprising:

for at least one measurement report, including an indication of where the measurement report is in a sequence of measurement reports.

8. The method of claim 1 wherein at least the first measurement report of the defined sequence uses the first measurement report format.

9. The method of claim 1 wherein the defined sequence is such that every Nth measurement report uses the first measurement report format, wherein N is an integer parameter.

10. The method of claim 1 applied in respect of a closed subscriber group (CSG) cell.

11. A method in a mobile station, the method comprising:

detecting a cell and performing signal strength measurements in respect of the cell;

if the mobile station sends a measurement report that includes cell identity for a cell which it has not reported within a preceding defined time period, until a defined minimum in respect of measurement reporting is satisfied continuing to transmit measurement reports for the cell while the cell meets applicable measurement reporting criteria comprising at least one of a minimum received signal strength and a minimum received signal quality, and

after the defined minimum in respect of measurement reporting is satisfied, refraining from transmitting measurement reports in respect of the cell for a determined time period regardless of the cell meeting measurement reporting criteria.

12. The method of claim 11 wherein the defined minimum is a minimum time period.

13. The method of claim 11 wherein the defined minimum is a minimum number of measurement reports.

14. A mobile station comprising:

an antenna;

a wireless access radio in communication with the antenna; and

a measurement report generator in communication with the wireless access radio and antenna, the measurement report generator configured to:

detect a cell and performing signal strength measurements in respect of the cell;

if the mobile station sends a measurement report that includes cell identity for a cell which it has not reported within a preceding defined time period, until a defined minimum in respect of measurement reporting is satisfied continue to transmit measurement reports for the cell while the cell meets applicable measurement reporting criteria comprising at least one of a minimum received signal strength and a minimum received signal quality, and

after the defined minimum in respect of measurement reporting is satisfied, refrain from transmitting measurement reports in respect of the cell for a determined time period regardless of the cell meeting measurement reporting criteria.

15. The mobile station of claim 14 wherein the defined minimum is a minimum time period.

16. The mobile station of claim 14 wherein the defined minimum is a minimum number of measurement reports.

17. A non-transitory computer readable medium having stored thereon computer executable code that when executed by a processor of a mobile station causes the mobile station to:

detect a cell and performing signal strength measurements in respect of the cell;

if the mobile station sends a measurement report that includes cell identity for a cell which it has not reported within a preceding defined time period, until a defined minimum in respect of measurement reporting is satisfied continue to transmit measurement reports for the cell while the cell meets applicable measurement reporting criteria comprising at least one of a minimum received signal strength and a minimum received signal quality, and

after the defined minimum in respect of measurement reporting is satisfied, refrain from transmitting measurement reports in respect of the cell for a determined time period regardless of the cell meeting measurement reporting criteria.

18. The non-transitory computer readable medium of claim 17 wherein the defined minimum is a minimum time period.

19. The non-transitory computer readable medium of claim 17 wherein the defined minimum is a minimum number of measurement reports.

Assignments (9)

Continuity (1)