Cell reselection signalling method

• US 8,364,196 B2
• Filed: 08/19/2008
• Issued: 01/29/2013
• Est. Priority Date: 01/17/2000
• Status: Expired due to Term

• Current Assignee: Sisvel International S.A. (Fineur International S.A.)
• Original Assignee: Sisvel International S.A. (Fineur International S.A.)
• Inventors: Iisakkila, Kaisu M., Salonaho, Oscar, Marjelund, Pekka, Turunen, Juha
• Primary Examiner(s): Agosta, Steve D
• Application Number:
  US12/229,085
• Publication Number:
  US 20090029712A1
• Time in Patent Office: 1,624 Days
• Field of Search: 455/432.1, 455/435.2, 455/436, 455/438, 455/442, 455450-453, 455/455, 455/462, 455/464, 455/550.1, 370/332
• US Class Current: 455/550.1
• CPC Class Codes: H04W 36/0055 Transmission or use of information for re-establishing the radio link

Abstract

The invention relates to methods pertaining to cell reselection in a cellular telecommunication system. According to the invention, a connection setup rejection message is used to direct a mobile communication means to attempt a new connection with certain parameter values such as a certain carrier frequency. A plurality of parameter values may as well be indicated in the message, which allows the network to direct the mobile communication means to make a connection setup request to a specific cell, for example. The connection setup rejection message can be for example the CONNECTION SETUP REJECT message of the RRC protocol.

Claims

1. An apparatus, where the apparatus is configured:

to receive a connection rejection message in a mobile cellular network, the connection rejection message comprising a value of at least one parameter;

to set a reception frequency for a connection setup procedure based on the value of the at least one parameter of the connection rejection message; and

to select, for the connection setup procedure, a channel transmitting on the reception frequency based on the at least one parameter of the connection rejection message.

2. The apparatus of claim 1, where the connection rejection message is a RRC CONNECTION REJECT message.

3. The apparatus of claim 1, where the apparatus is configured, in response to a predetermined parameter of the connection rejection message having a predetermined value, to obtain the value of at least one parameter for the connection setup procedure from a system information message.

4. The apparatus of claim 1, further configured to initiate the connection setup procedure.

5. The apparatus of claim 1, further configured:

to set a specific channel scrambling code based on the value of the at least one parameter of the connection rejection message.

6. The apparatus of claim 1, further configured:

to set a specific channel code based on the value of the at least one parameter of the connection rejection message.

7. The apparatus of claim 6, further configured:

to set a timing value based on the value of the at least one parameter of the connection rejection message.

8. The apparatus of claim 1, further configured:

to set a scrambling code parameter based on the value of the at least one parameter of the connection rejection message.

9. The apparatus of claim 1, further configured:

to set a channel code parameter based on the value of the at least one parameter of the connection rejection message.

10. The apparatus of claim 1, further configured:

to set a parameter describing a specific primary common pilot channel based on the value of the at least one parameter of the connection rejection message.

11. The apparatus of claim 1, further configured:

to set a parameter describing a specific primary common control physical channel based on the value of the at least one parameter of the connection rejection message.

12. The apparatus of claim 1, further configured:

to set a parameter identifying a second cellular telecommunication network based on the value of the at least one parameter of the connection rejection message.

13. The apparatus of claim 2, further configured:

to start the connection setup procedure based at least on the value of the at least one parameter of the connection rejection message.

14. The apparatus of claim 1, where the apparatus is embodied in a mobile terminal.

15. The apparatus of claim 1, where the apparatus is embodied in a dual-mode terminal.

16. The apparatus of claim 1, where the apparatus is embodied in a multimode terminal.

17. The apparatus of claim 1, further comprising a subscriber identity module.

18. An apparatus, where the apparatus is configured:

to receive a connection rejection message in a mobile cellular network, the connection rejection message comprising a value of at least one parameter;

to set a reception frequency for a connection setup procedure based on the value of the at least one parameter of the connection rejection message;

to select a channel transmitting on the reception frequency; and

to initiate the connection setup procedure.

19. An apparatus, where the apparatus is configured:

to receive a connection rejection message in a mobile cellular network, the connection rejection message comprising a value of at least one parameter;

to set a reception frequency for a connection setup procedure based on the value of the at least one parameter of the connection rejection message;

to set a specific channel code based on the value of the at least one parameter of the connection rejection message; and

to select a channel transmitting on the reception frequency.

20. The apparatus of claim 19, further configured:

to set a timing value based on the value of the at least one parameter of the connection rejection message.