Alternative radio system monitoring

• US 20040018853A1
• Filed: 03/11/2003
• Published: 01/29/2004
• Est. Priority Date: 03/12/2002
• Status: Abandoned Application

• Current Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Original Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Lewis, Jonathan D.
• Application Number:
  US10/384,575
• Publication Number:
  US 20040018853A1
• Time in Patent Office: Days
• US Class Current: 455/552.1
• CPC Class Codes: H04B 1/0003 Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain digital baseband systems H04L25/00; digital modulation/demodulation H04L27/00; CDMA H04B1/707; TDMA H04B7/2643; image transmission H04N5/00
• CPC Class Codes: H04B 1/005 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
• CPC Class Codes: H04B 1/406 with more than one transmission mode, e.g. analog and digital modes
• CPC Class Codes: H04W 36/0058 Transmission of hand-off measurement information, e.g. measurement reports
• CPC Class Codes: H04W 36/142 over the same radio air interface technology
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

A signal processor for a multi-mode mobile communication device, comprising a multi-mode receiver adapted to receive information relating to a plurality of service modes; reconfigurable logic means, a configuration controller for configuring the reconfigurable logic means so as to support one or more of the service modes and a switching means for instructing the controller to alter the supported service mode in response to the received information.

Claims

1. A signal processor for a multi-mode mobile communication device, comprising:

a multi-mode receiver adapted to receive information relating to a plurality of service modes;

reconfigurable logic means;

a configuration controller for configuring the reconfigurable logic means so as to support one or more of the service modes; and

a switching means for instructing the controller to alter the supported service mode in response to the received information.

2. The signal processor of claim 1 wherein the reconfigurable logic is adapted to fully support a first service mode and partially support an alternative service mode.

3. The signal processor of claim 2 wherein the partial support provides communication with the alternative service mode in order to establish if admission to the alternative service mode is possible.

4. The signal processor claim 2 wherein the partial support provides communication with the alternative service mode in order to at least partially undertake protocol messaging for registration of the alternative service mode as the operating network.

5. The signal processor of claim 2 further comprising a priority controller for providing the fully supported service mode with priority over the partially supported service mode for the use of the reconfigurable logic means

6. The signal processor according to claim 1 wherein the configuration controller further comprises timing means for periodically configuring the reconfigurable logic means so as to partially support an alternative service mode.

7. The signal processor according to claim 1 wherein the received information relates to at least one of the following:

system handover, available reconfigurable logic resources, energy status of the communication device and a geographical location of the communication device.

8. The signal processor according to claim 1 where the communication device is a mobile terminal, the signal processor further comprising a monitoring means for instructing the controller to switch to only a low power service mode upon determining that the battery power of the terminal is low.

9. The signal processor according to claim 1 further including a downloader for receiving service mode configurations over an air interface.

10. The signal processor according to claim 1 further including retrieval means for retrieving a service mode configuration from a memory within the communication device and providing the retrieved configuration to the configuration controller.

11. The signal processor according to claim 1 further comprising a cache for storing a previously used configuration for possible reuse by the reconfigurable logic means.

12. The signal processor of claim 11 wherein the cache uses hysteresis.

13. The signal processor according to claim 1 wherein the plurality of services modes include W-CDMA and GSM.

14. The signal processor according to claim 1 wherein the plurality of services modes include W-CDMA and CDMA2000.

15. A method of controlling a signal processor in a mobile communication device, comprising:

receiving information indicative of a first service mode to be supported by the communication device; and

configuring a reconfigurable logic means so as to support the first service mode.

16. The method of claim 15 further comprising the step of configuring a portion of the reconfigurable logic means so as to provide partial support for a second service mode.

17. The method of claim 16 wherein the partial support is monitoring support.

18. The method of claim 16 wherein the partial support provides communication with the second service mode in order to establish if admission to the second service mode is possible.

19. The method of claim 16 wherein the partial support provides communication with the second service mode in order to at least partially undertake protocol messaging for registration of the second service mode as the operating network.

20. The method according to claim 15 further comprising the steps of:

receiving information indicative of an alternative service mode to be fully supported by the communication device; and

reconfiguring the reconfigurable logic means so as to provide full support for the alternative service mode.

21. The method according to claim 17 further comprising the step of storing the first service mode full support configuration in a cache for possible reuse.

22. The method of claim 20 further comprising the step of configuring a portion of the reconfigurable logic means so as to provide partial support for the first service mode.

23. The method according to claim 16 further comprising the step of providing the fully supported service mode with priority over the partially supported service mode for the use of the reconfigurable logic means.

24. The method according to claim 16 wherein the partial support is provided periodically.

25. The method according to claim 15 wherein the information received relates to at least one of the following:

system handover, available reconfigurable logic resources, energy status of the communication device and a geographical location of the communication device.

26. The method according to claim 15 further comprising the step of providing support for only a low power service mode where the communication device is a mobile terminal and the information received indicates that battery power of the terminal is low.

27. The method according to claim 15 wherein service mode configurations are retrieved from a memory within the communication device.

28. The method according to claim 15 wherein service mode configurations are downloaded to the communication device over an air interface.

29. The method according to claim 15 wherein the first service mode is W-CDMA and the second service mode is GSM.

30. The method according to claim 15 wherein the first service mode is W-CDMA and the second service mode is CDMA2000.

31. A method of testing a service mode on a communication device including a reconfigurable logic means, the method comprising the steps of:

receiving the service mode configuration to be tested over an air interface; and

configuring the reconfigurable logic means with the received service mode configuration.

32. A method of establishing communication with a multi-mode mobile communication terminal supporting a first operating mode including the steps of:

establishing a communication link via the first operating mode that is adapted to be in communicable relation with one or more alternative network providers.

33. The method of claim 32 wherein the communication link is an IP link.

34. The method of claim 32 wherein the communication link is utilised to pass measurement data to an alternative network provider.

35. The method of claim 32 wherein the communication link is utilised to at least partially establish handover with an alternative network provider.

36. The method according to claim 32 wherein the communication link is utilised to establish an online service providing communication between the terminal and one or more alternative network providers.

37. The method according to claim 36 wherein the communication link is utilised to determine the most cost effective network to operate.

38. The method according to claim 36 wherein the communication link is utilised to negotiate with the one or more alternative network providers.

39. A mobile communication terminal comprising a signal processor, the terminal comprising:

a multi-mode receiver adapted to receive information relating to a plurality of service modes;

reconfigurable logic means;

a configuration controller for configuring the reconfigurable logic means so as to support one or more of the service modes; and

a switching means for instructing the controller to alter the supported service mode in response to the received information.

40. A mobile communication base station comprising a signal processor for multi-mode mobile communication, the base station comprising:

a multi-mode receiver adapted to receive information relating to a plurality of service modes;

reconfigurable logic means;

a configuration controller for configuring the reconfigurable logic means so as to support one or more of the service modes; and

a switching means for instructing the controller to alter the supported service mode in response to the received information.