Circuit arrangement and method for determining a mobile radio cell timing

1. A circuit arrangement for determining a mobile radio cell timing, the circuit arrangement comprising:

a receiver configured to receive a paging signal in accordance with a predetermined cell timing, the paging signal comprising at least one of two subframes of a radio frame, and configured to receive one or more synchronization signals;

a receiver activating/deactivating circuit configured to activate the receiver for a predetermined time period to receive the paging signal in accordance with a previous paging signal cycle, and further configured to deactivate the receiver after the predetermined time period has lapsed;

a cell detection circuit configured to execute, during the predetermined time period, a cell detection procedure, the cell detection procedure performed by use of the one or more synchronization signals, thereby determining an updated cell timing; and

a memory configured to store the updated cell timing.

2. The circuit arrangement of claim 1 ,

wherein the predetermined time period is one subframe of a radio frame.

3. The circuit arrangement of claim 1 ,

wherein the predetermined time period is two subframes of a radio frame.

4. The circuit arrangement of claim 1 ,

wherein the receiver activating/deactivating circuit is further configured to re-activate the receiver;

wherein the receiver is further configured to receive a further paging signal in accordance with the stored updated cell timing.

5. The circuit arrangement of claim 1 ,

wherein the cell timing is a macrocell timing; and

wherein the updated cell timing is an updated macrocell timing.

6. The circuit arrangement of claim 1 ,

wherein the one or more synchronization signals comprise one or more Orthogonal Frequency Division Multiplex symbols.

7. The circuit arrangement of claim 1 ,

configured in accordance with a Long Term Evolution communications technology.

8. The circuit arrangement of claim 1 ,

wherein the receiver is configured to receive the paging signal in accordance with frequency division duplex.

9. A mobile radio communication terminal device, comprising:

a receiver configured to receive a paging signal in accordance with a predetermined cell timing, the paging signal comprising at least one of two subframes of a radio frame, and configured to receive one or more synchronization signals;

a receiver activating/deactivating circuit configured to activate the receiver for a predetermined time period to receive the paging signal in accordance with a previous paging signal cycle and further configured to deactivate the receiver after the predetermined time period has lapsed;

a cell detection circuit configured to execute during the predetermined time period a cell detection procedure, the cell detection procedure performed by use of the one or more synchronization signals, thereby determining an updated cell timing; and

a memory configured to store the updated cell timing.

10. The mobile radio communication terminal device of claim 9 ,

wherein the predetermined time period is one subframe of a radio frame.

11. The mobile radio communication terminal device of claim 9 ,

wherein the predetermined time period is two subframes of a radio frame.

12. The mobile radio communication terminal device of claim 9 ,

wherein the receiver activating/deactivating circuit is further configured to re-activate the receiver;

wherein the receiver is further configured to receive a further paging signal in accordance with the stored updated cell timing.

13. The mobile radio communication terminal device of claim 9 ,

wherein the cell timing is a macrocell timing; and

wherein the updated cell timing is an updated macrocell timing.

14. The mobile radio communication terminal device of claim 9 ,

wherein the one or more synchronization signals comprise one or more Orthogonal Frequency Division Multiplex symbols.

15. The mobile radio communication terminal device of claim 9 ,

configured in accordance with a Long Term Evolution communications technology.

16. A method of determining a mobile radio cell timing, the method comprising:

activating a receiver for a predetermined time period to receive a paging signal in accordance with a previous paging signal cycle, the paging signal comprising at least one of two subframes of a radio frame, and configured to receive one or more synchronization signals;

receiving the paging signal in accordance with a predetermined cell timing;

executing a cell detection procedure using the one or more synchronization signals, thereby determining an updated cell timing;

deactivating the receiver after the predetermined time period has lapsed; and

storing the updated cell timing.

17. The method of claim 16 ,

wherein the predetermined time period is one subframe of a radio frame.

18. The method of claim 16 ,

wherein the predetermined time period is two subframes of a radio frame.

19. The method of claim 16 , further comprising:

re-activating the receiver;

receiving a further paging signal in accordance with the stored updated cell timing.

20. The method of claim 16 ,

wherein the cell timing is a macrocell timing; and

wherein the updated cell timing is an updated macrocell timing.

21. The method of claim 16 ,

wherein the one or more synchronization signals comprise one or more Orthogonal Frequency Division Multiplex symbols.

22. The method of claim 16 ,

carried out in accordance with a Long Term Evolution communications technology.

23. The method of claim 16 ,

carried out by a mobile radio communication terminal device.

24. The method of claim 23 ,

wherein the mobile radio communication terminal device is a mobile radio communication terminal device in accordance with a Long Term Evolution communications technology;

wherein the mobile radio communication terminal device is carrying out the method while it is in Radio Resource Control Idle state.

25. The method of claim 23 ,

wherein the mobile radio communication terminal device is a mobile radio communication terminal device in accordance with a Long Term Evolution communications technology;

wherein the mobile radio communication terminal device is carrying out the method while it is in Radio Resource Control Connected state.