Method for dynamically mapping channels for new GSM frequency bands

Abstract

An apparatus and method for providing a dynamic mapping of channel numbers to physical frequencies for some cells of a cellular telephone system for use in case of a cellular telephone system representing physical frequencies by channel numbers and providing a fixed mapping of channel numbers to physical frequencies. The method includes a step of providing an information element indicating the dynamic mapping and is performed in a way that is compatible with an existing channel numbering space thereby keeping unchanged any existing signaling messages. The method also provides for a change in a dynamic mapping: a duplicated mapping is broadcast in which two non-overlapping sets of channel numbers are both mapped at least in part to a same frequency block the broadcasting being continued for a predetermined time assumed to be of sufficient extent that any mobile phones operating in the cells will have decoded the duplicated mapping.

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2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: Illustrative part: ---- Release: S2 TS Number: TS 144 060 Version No: Illustrative part: ---- Release: S3 TS Number: TS 145 005 Version No: Illustrative part: ---- Release: +2 -2	No	Family Member
2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: Illustrative part: ---- Release: S2 TS Number: TS 144 060 Version No: Illustrative part: ---- Release: S3 TS Number: TS 145 005 Version No: Illustrative part: ---- Release: +2 -2	Yes	Basis Patent

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US2002102980A1	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	Yes	Basis Patent
US2002102980A1	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
WO02056610A2	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	Yes	Basis Patent
WO02056610A2	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
WO02056610A3	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	Yes	Basis Patent
WO02056610A3	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
AT357117T	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
AU2002236105A1	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
CA2431726A1	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
CA2431726C	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
EP1350397A2	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
EP1350397B1	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
ES2281505T3	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
JP2004524736A	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
ZA200304872B	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
BR0206257A	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
BRPI0206257B1	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
CN100388844C	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
CN1633820A	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
DE60218816T2	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
KR100593458B1	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
KR20030096245A	2G	23/07/2002	ISLD-200208-001	NOKIA CORP	S1 TS Number: TS 144 018 Version No: ---- Section No: Release : ---- S2 TS Number: TS 144 060 Version No: ---- Section No: Release : ---- S3 TS Number: TS 145 005 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member

Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Technologies

Power Control

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Claim

1. A method for providing for a dynamic mapping of channel numbers to physical frequencies for some cells of a cellular telephone system, the method for use in case of a cellular telephone system representing physical frequencies by channel numbers and providing a fixed mapping of channel numbers to physical frequencies, the cellular telephone system composed of a plurality of public land mobile networks each of which provide coverage in a different set of cells of the cellular telephone system, the dynamic mapping to be used by a particular public land mobile network and so for all the cells for which cellular communication is provided by the particular public land mobile network, the method comprising the steps of:', 'a) selecting a set of physical frequencies;', 'b) selecting from the channel numbers a set of channel numbers sufficient in number to correspond, one-to-one, to the selected physical frequencies;', 'c) determining a dynamic mapping of the selected physical frequencies to the selected set of channel numbers; and', 'd) providing to mobile phones in the cells of the public land mobile network an information element indicating the dynamic mapping, the information element including information sufficient to determine the first and last channel number of the dynamic mapping and the first and last physical frequency of the dynamic mapping;', 'wherein the step of providing the information element indicating the dynamic mapping is performed in a way that is compatible with an existing channel numbering space, and so allows keeping unchanged any existing signaling messages.

2. A method as in claim 1, wherein the channel numbers are represented using numbers indicated by at most 10 bits.

3. A method as in claim 1, wherein the cellular telephone system has unused channel numbers and unused physical frequencies.

4. A method as in claim 3, wherein in the step of selecting a set of physical frequencies, the physical frequencies are selected from the physical frequencies not used by the public land mobile network but available for use by the public land mobile network.

5. A method as in claim 4, wherein in the step of selecting channel numbers, the channel numbers are selected from the channel numbers not used by the public land mobile network but available for use by the public land mobile network.

6. A method as in claim 5, further wherein the dynamic mapping is specific to the public land mobile network in that the dynamic mapping would provide channel numbers for only the frequencies actually used by the public land mobile network.

7. A method as in claim 1, wherein the information element includes: a first value indicating the first channel number being mapped; a range value indicating the number of channel numbers being mapped in addition to the channel number indicated by the first value; and a first frequency value, indicating the physical frequency to which the first channel number is being mapped.

8. A method for providing for a dynamic mapping of channel numbers to physical frequencies for some cells of a cellular telephone system, the method for use in case of a cellular telephone system representing physical frequencies by channel numbers and providing a fixed mapping of channel numbers to physical frequencies, the cellular telephone system composed of a plurality of public land mobile networks each of which provide coverage in a different set of cells of the cellular telephone system, the dynamic mapping to be used by a particular public land mobile network and so for all the cells for which cellular communication is provided by the particular public land mobile network, the method comprising the steps of:', 'a) selecting a set of physical frequencies;', 'b) selecting from the channel numbers a set of channel numbers sufficient in number to correspond, one-to-one, to the selected physical frequencies;', 'c) determining a dynamic mapping of the selected physical frequencies to the selected set of channel numbers; and', 'd) providing to mobile phones in the cells of the public land mobile network an information element indicating the dynamic mapping, the information element including information sufficient to determine the first and last channel number of the dynamic mapping and the first and last physical frequency of the dynamic mapping;', 'wherein the step of providing the information element indicating the dynamic mapping is performed in a way that is compatible with an existing channel numbering space, and so allows keeping unchanged any existing signaling messages;', 'and further wherein to provide for a change in a dynamic mapping being used by a public land mobile network, a duplicated mapping is broadcast by the public land mobile network in which two non-overlapping sets of channel numbers are mapped, the broadcasting being continued for a predetermined time period assumed to be of sufficient extent that any mobile phones operating in the cells of the public land mobile network will have decoded the duplicated mapping.

9. A method as in claim 8, wherein the channel numbers are represented using numbers indicated by at most 10 bits

10. A method as in claim 8, wherein the cellular telephone system has unused channel numbers and unused physical frequencies

11. A method as in claim 10, wherein in the step of selecting a set of physical frequencies, the physical frequencies are selected from the physical frequencies not used by the public land mobile network but available for use by the public land mobile network

12. A method as in claim 11, wherein in the step of selecting channel numbers, the channel numbers are selected from the channel numbers not used by the public land mobile network but available for use by the public land mobile network

13. A method as in claim 12, further wherein the dynamic mapping is specific to the public land mobile network in that the dynamic mapping would provide channel numbers for only the frequencies actually used by the public land mobile network

14. A method according to claim 8, wherein one of said non-overlapping sets of channel numbers describes the allocation before the change of the dynamic mapping and the other of said non-overlapping channel numbers describes the allocation after the change of the dynamic mapping

15. A method according to claim 8, wherein the non-overlapping sets of channel numbers are both mapped at least in part to a same frequency block

16. A method as in claim 8, wherein the information element includes: a first value indicating the first channel number being mapped; a range value indicating the number of channel numbers being mapped in addition to the channel number indicated by the first value; and a first frequency value, indicating the physical frequency to which the first channel number is being mapped

17. A method as in claim 8, wherein instead of broadcasting the duplicated mapping, the public land mobile network conveys the duplicated mapping via a point-to-point transmission to each mobile phone using the public land mobile network

18. An apparatus for providing a dynamic mapping of channel numbers to physical frequencies for some cells of a cellular telephone system, the apparatus for use in case of a cellular telephone system representing physical frequencies by channel numbers and providing a fixed mapping of channel numbers to physical frequencies, the cellular telephone system composed of a plurality of public land mobile networks each of which provide coverage in a different set of cells of the cellular telephone system, the dynamic mapping to be used by a particular public land mobile network and so for all the cells for which cellular communication is provided by the particular public land mobile network, the apparatus comprising:', 'a) means for selecting a set of physical frequencies;', 'b) means for selecting from the channel numbers a set of channel numbers sufficient in number to correspond, one-to-one, to the selected physical frequencies;', 'c) means for determining a dynamic mapping of the selected physical frequencies to the selected set of channel numbers; and', 'd) means for having the public land mobile network provide to mobile phones in the cells of the public land mobile network an information element indicating the dynamic mapping, the information element including information sufficient to determine the first and last channel number of the dynamic mapping and the first and last physical frequency of the dynamic mapping;', 'wherein the information element indicating the dynamic mapping is provided in a way that is compatible with an existing channel numbering space, and so allows keeping unchanged any existing signaling messages.19. An apparatus as in claim 18, wherein the channel numbers are represented using numbers indicated by at most 10 bits.

20. An apparatus as in claim 18, wherein the cellular telephone system has unused channel numbers and unused physical frequencies.

21. An apparatus as in claim 20, wherein the selected physical frequencies are selected from the physical frequencies not used by the public land mobile network but available for use by the public land mobile network.

22. An apparatus as in claim 21, wherein the channel numbers are selected from the channel numbers not used by the public land mobile network but available for use by the public land mobile network.

23. An apparatus as in claim 22, further wherein the dynamic mapping is specific to the public land mobile network in that the dynamic mapping would provide channel numbers for only the frequencies actually used by the public land mobile network.

24. An apparatus as in claim 18, wherein the information element includes: a first value indicating the first channel number being mapped; a range value indicating the number of channel numbers being mapped in addition to the channel number indicated by the first value; and a first frequency value, indicating the physical frequency to which the first channel number is being mapped.

25. An apparatus for providing for a dynamic mapping of channel numbers to physical frequencies for some cells of a cellular telephone system, the apparatus for use in case of a cellular telephone system representing physical frequencies by channel numbers and providing a fixed mapping of channel numbers to physical frequencies, the cellular telephone system composed of a plurality of public land mobile networks each of which provide coverage in a different set of cells of the cellular telephone system, the dynamic mapping to be used by a particular public land mobile network and so for all the cells for which cellular communication is provided by the particular public land mobile network, the apparatus comprising:', 'a) means for selecting a set of physical frequencies;', 'b) means for selecting from the channel numbers a set of channel numbers sufficient in number to correspond, one-to-one, to the selected physical frequencies;', 'c) means for determining a dynamic mapping of the selected physical frequencies to the selected set of channel numbers; and', 'd) means for having the public land mobile network provide to mobile phones in the cells of the public land mobile network an information element indicating the dynamic mapping, the information element including information sufficient to determine the first and last channel number of the dynamic mapping and the first and last physical frequency of the dynamic mapping;', 'wherein the information element indicating the dynamic mapping is provided in a way that is compatible with an existing channel numbering space, and so allows keeping unchanged any existing signaling messages;', 'and further wherein to provide for a change in a dynamic mapping being used by a public land mobile network, the apparatus includes means for having the public land mobile network broadcast a duplicated mapping in which two non-overlapping sets of channel numbers are mapped, the broadcasting being continued for a predetermined time period assumed to be of sufficient extent that any mobile phones operating in the cells of the public land mobile network will have decoded the duplicated mapping.

26. A method as in claim 25, wherein the channel numbers are represented using numbers indicated by at most 10 bits.

27. An apparatus as in claim 25, wherein the cellular telephone system has unused channel numbers and unused physical frequencies.

28. An apparatus as in claim 27, wherein the selected physical frequencies are selected from the physical frequencies not used by the public land mobile network but available for use by the public land mobile network.

29. An apparatus as in claim 28, wherein the selected channel numbers are selected from the channel numbers not used by the public land mobile network but available for use by the public land mobile network.

30. An apparatus as in claim 29, further wherein the dynamic mapping is specific to the public land mobile network in that the dynamic mapping would provide channel numbers for only the frequencies actually used by the public land mobile network.

31. An apparatus according to claim 25, wherein one of said non-overlapping sets of channel numbers describes the allocation before the change of the dynamic mapping and the other of said non-overlapping channel numbers describes the allocation after the change of the dynamic mapping.

32. An apparatus according to claim 25, wherein the non-overlapping sets of channel numbers are both mapped at least in part to a same frequency block.

33. An apparatus as in claim 25, wherein the information element includes: a first value indicating the first channel number being mapped; a range value indicating the number of channel numbers being mapped in addition to the channel number indicated by the first value; and a first frequency value, indicating the physical frequency to which the first channel number is being mapped.

34. An apparatus as in claim 25, wherein instead of broadcasting the duplicated mapping, the apparatus conveys the duplicated mapping on behalf of the public land mobile network via a point-to-point transmission to each mobile phone using the public land mobile network.']

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