Dynamic RF communication resource access by roving mobile units

• US 5,222,249 A
• Filed: 11/08/1990
• Issued: 06/22/1993
• Est. Priority Date: 11/08/1990
• Status: Expired due to Term

• Current Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Carney, Scott N.
• Primary Examiner(s): Eisenzopf, Reinhard J.
• Assistant Examiner(s): Pham, Chi H.
• Application Number:
  US07/610,604
• Time in Patent Office: 957 Days
• Field of Search: 455/33, 455/34, 455/53, 455/54, 455/56, 455/33.1, 455/33.2, 455/33.4, 455/34.1, 455/34.2, 455/53.1, 455/54.1, 455/54.2, 455/56.1, 379/59, 379/60, 379/63
• US Class Current: 455/452.1
• CPC Class Codes: H04W 36/32 by location or mobility data, e.g. speed data
• CPC Class Codes: H04W 36/322 by location data
• CPC Class Codes: H04W 64/006 with additional information processing, e.g. for direction or speed determination

Abstract

A method and system are set forth for providing dynamic RF communication resources to a mobile unit as that mobile unit changes geographic areas such that RF communication resource use by that mobile unit is generally not forcibly terminated as that mobile unit roves to a geographical area not served by the RF communication resource where the mobile unit is presently located.

Claims

1. A method for more efficiently providing dynamic RF communication resources for at least a first mobile unit based on dynamic needs and anticipated dynamic needs of the at least first mobile unit, the method comprising at least the steps of:

A) at least a first central processor'"'"'s obtaining at least first route information of the at least first mobile unit;

B) the central processor'"'"'s utilizing the at least first route information of the at least first mobile unit to determine at least one of;

dynamic and anticipated dynamic RF communication resource needs of the at least first mobile unit; and

C) the central processor'"'"'s dynamically providing at least a first dynamic RF communication resource, where available, to the at least first mobile unit in correspondence with the dynamic RF communication resource availability and the dynamic and the anticipated dynamic mobile unit RF communication resource need determination, wherein the at least first central processor'"'"'s utilizing the at least the first route information of the at least first mobile unit to determine at least one of;

dynamic and anticipated dynamic RF communication resource needs of the at least first mobile unit further includes at least one of;

D) the at least first central processor utilizing the at least first route information to estimate an anticipated dynamic route for the at least first mobile unit;

E) the at least first central processor utilizing the at least first route information provided by an external navigational resource to determine a first dynamic route for the at least first mobile unit; and

F) the at least first central processor utilizing at least partial mobile unit dynamic route information to determine a second dynamic route for the at least first mobile unit, where that dynamic route information is provided by the at least first mobile unit;

such that the RF communication resource needs of the at least first mobile unit are determined in view of at least one of;

that mobile unit'"'"'s anticipated dynamic route, first dynamic route, and second dynamic route.

2. The method of claim 1, wherein dynamic RF communication resources comprise at least a first user-traffic channel allocated for continuation of mobile unit communications as mobile units change geographic areas.

3. The method of claim 1 wherein the at least first mobile unit utilizes at least a first base site route information link to provide that at least first mobile unit'"'"'s at least first route information to the central processor.

4. The method of claim 1 wherein the at least first mobile unit utilizes, at least in part, information obtained from an onboard information source to determine the at least first route information of that first mobile unit.

5. The method of claim 1 wherein the at least first mobile unit utilizes, at least in part, information obtained from at least a first external navigational resource to determine the at least first route information of that first mobile unit.

6. The method of claim 5, wherein the at least first external navigational resource is at least one of:

a LORAN C device and a global positioning system.

7. The method of claim 1, wherein the at least first mobile unit utilizes, at least in part, information obtained from at least a first external navigational resource to determine the at least first route information of that first mobile unit.

8. The method of claim 7, wherein the at least first mobile unit further provides at least partial dynamic route information obtained from the external navigational resource for that at least first mobile unit to the at least first central processor.

9. The method of claim 1, wherein the at least first mobile unit further provides to the central processor at least partial mobile unit dynamic route information determined onboard for that at least first mobile unit.

10. The method of claim 1, further including the step of determining whether to continue providing at least a first dynamic RF communication resource and one of:

A) recycling to a central processor'"'"'s obtaining at least first route information of the at least first mobile unit where continuation is to be provided; and

B) terminating provision of the at least first dynamic RF communication resource where continuation is not to be provided.

11. A method for more efficiently providing at least a first dynamic RF channel for at least a first mobile unit based on at least dynamic needs and anticipated dynamic needs of the at least first mobile unit, the method comprising at least the steps of:

A) a central processor'"'"'s obtaining at least first route information, and where selected, at least partial dynamic route information, of the at least first mobile unit;

B) the central processor'"'"'s utilizing the at least first route information and the at least partial dynamic route information, where selected, of the at least first mobile unit to determine at least one of;

dynamic and anticipated dynamic RF communication resource needs of the at least first mobile unit employing at least one of the steps B1-B3;

B1) the at least first central processor utilizing at least the first route information, and where selected, the at least partial dynamic route information, to estimate an anticipated dynamic route for the at least first mobile unit;

B2) the at least first central processor utilizing at least the first route information provided by an external navigational resource, and where selected, the at least partial dynamic route information, to determine a first dynamic route for the at least first mobile unit; and

B3) the at least first central processor utilizing at least the first route information determined by the at least first mobile unit utilizing an at least first external information source, and where selected, the at least partial dynamic route information, to determine a second dynamic route for the at least first mobile unit, where that dynamic route information is provided by the at least first mobile unit;

such that the RF communication resource needs of the at least first mobile unit are determined in view of at least one of;

that mobile unit'"'"'s anticipated dynamic route, first dynamic route, and second dynamic route; and

C) the central processor'"'"'s dynamically providing at least a first dynamic RF communication resource, where available, to the at least first mobile unit in correspondence with dynamic RF communication resource availability and at least one of;

dynamic and anticipated dynamic mobile unit RF communication resource need determination based on that mobile unit'"'"'s anticipated dynamic route, first dynamic route, and second dynamic route.

12. The method of claim 11, wherein dynamic RF communication resources comprise at least a first user-traffic channel allocated for continuation of mobile unit communications as mobile units change geographic areas.

13. The method of claim 11, wherein the at least first external navigational resource is at least one of:

a LORAN C device and a global positioning system.

14. The method of claim 11, further including the step of determining whether to continue providing at least a first dynamic RF communication resource and one of:

A) recycling to a central processor'"'"'s obtaining at least first route information of the at least first mobile unit where continuation is to be provided; and

B) terminating provision of the at least first dynamic RF communication resource where continuation is not to be provided.

15. A method for more efficiently providing at least a first dynamic RF channel, allocated for continuation of mobile unit communications as mobile units change geographic areas, for at least a first mobile unit based on at least dynamic needs and anticipated dynamic needs of at least a first mobile unit, the method comprising at least the steps of:

A) at least a first central processor'"'"'s obtaining one of;

A1) at least first route information of the at least first mobile unit, that information being obtained by at least one of A1a-A1c;

A1a) location-determining means onboard that at least first mobile unit,

A1b) the at least first mobile unit'"'"'s utilization of an external information source, and

A1c) at least a first external navigational resource'"'"'s determination of the at least first route information of that first mobile unit;

B) the at least first central processor'"'"'s being provided at least one of;

at least first partial mobile unit dynamic route information obtained from the external navigational resource for that at least first mobile unit, at least second partial mobile unit dynamic route information sufficient to enable the central processor to determine an anticipated dynamic route for that at least first mobile unit wherein the at least first central processor then determines that anticipated dynamic route, and at least partial anticipated dynamic route information provided by the mobile unit describing an anticipated dynamic route for that at least first mobile unit;

C) the central processor'"'"'s determining at least one of;

dynamic needs and anticipated dynamic needs of the at least first mobile unit in view of at least one of;

at least first partial mobile unit dynamic route information, at least second partial mobile unit dynamic route information, and at least partial anticipated mobile unit dynamic route information; and

D) the central processor'"'"'s dynamically providing the at least first RF channel, where available, for the at least first mobile unit in correspondence with dynamic RF channel availability and the at least first mobile unit'"'"'s dynamic and anticipated dynamic need determination.

16. The method of claim 15, wherein dynamic RF communication resources comprise at least a first user-traffic channel allocated for continuation of mobile unit communications as mobile units change geographic areas.

17. The method of claim 15, wherein the at least first external navigational resource is at least one of:

a LORAN C device and a global positioning system.

18. The method of claim 15, further including the step of determining whether to continue providing at least a first dynamic RF communication resource and one of:

A) recycling to a central processor'"'"'s obtaining at least first route information of the at least first mobile unit where continuation is to be provided; and

B) terminating provision of the at least first dynamic RF communication resource where continuation is not to be provided.

19. A dynamic RF communication system, having at least a first central processor and at least a first mobile unit, the mobile unit having at least a first transmitter and at least a first receiver, for more efficiently providing dynamic RF communication resources for at least a mobile unit based on at least dynamic needs and anticipated dynamic needs of the at least first mobile unit, the system comprising at least:

A) an at least first dynamic RF communication resource availability determining means for determining availability of reserved dynamic RF communication resources and for obtaining at least first route information of the at least first mobile unit;

B) a first communication resource allocator means of the at least first central processor, responsive to the at least first dynamic RF communication resource availability determining means;

for utilizing the at least first route information of the at least first mobile unit to determine at least one of;

dynamic and anticipated dynamic RF communication resource needs of the at least first mobile unit; and

for dynamically providing at least a first dynamic RF communication resource, where available, to the at least first mobile unit in correspondence with the dynamic RF communication resource availability and at least the dynamic and the anticipated dynamic mobile unit RF communication resource need determination wherein the at least first mobile unit, responsive to at least one of;

at least a first external information source;

at least a first external mobile unit navigational resource; and

information obtained from an onboard information source of the at least first mobile unit;

such that the mobile unit further transmits at least first route information and partial dynamic route information for that at least first mobile unit to the at least first central processor.

20. The system of claim 19, wherein RF communication resources comprise at least a first user-traffic channel allocated for continuation of mobile unit communications as mobile units change geographic areas.

21. The system of claim 19, wherein, where the at least first mobile unit desires to utilize at least a first dynamically provided RF communication resource, the at least first mobile unit utilizes the at least first mobile unit transmitter to transmit that at least first mobile unit'"'"'s at least first route information to the central processor.

22. The system of claim 19, wherein the at least first mobile unit utilizes at least a first base site route information link to provide that at least first mobile unit'"'"'s at least first route information to the central processor.

23. The system of claim 19, wherein the at least first external navigational resource is at least one of:

a LORAN C device and a global positioning system.

24. The system of claim 19, wherein at least the first external navigational resource determines the at least first route information, and where selected, at least partial dynamic route information of that first mobile unit and provides that information to the central processor.

25. The system of claim 22, further including an at least first dynamic RF communication resource availability determiner, responsive to the at least first route information link, and, where selected, responsive to the at least the first external mobile unit navigation resource, for utilizing at least the first route information, and where selected, at least partial dynamic route information for that at least first mobile unit, to determine at least dynamic and anticipated dynamic RF communication resource needs of the at least first mobile unit, and for utilizing dynamic RF communication resource availability where:

A) an anticipated dynamic route for the at least first mobile unit is estimated; and

at least one of;

B) a first dynamic route for the at least first mobile unit where the at least partial dynamic route information is provided by the at least first mobile unit onboard location information; and

C) a second dynamic route for the at least first mobile unit is provided by the external navigation resource;

such that an at least first dynamic RF communication resource allocator, responsive to the at least first dynamic RF communication resource availability determiner, allocates at least a first dynamic RF communication resource, where available, for the at least first mobile unit in view of that mobile unit'"'"'s anticipated dynamic route and at least one of;

the first dynamic route and the second dynamic route.

26. The system of claim 19, further including the at least first dynamic RF communication resource allocator determining whether to continue providing at least a first dynamic RF communication resource and one of:

A) recycling to obtaining at least first route information of the at least first mobile unit where continuation is to be provided; and

B) terminating provision of the at least first dynamic RF communication resource for the at least first mobile unit where continuation is not to be provided.