System and method for simulating a land mobile radio system

• US 10,548,025 B2
• Filed: 10/25/2018
• Issued: 01/28/2020
• Est. Priority Date: 10/21/2010
• Status: Active Grant

• Current Assignee: E F Johnson Company (JVC Kenwood Corporation)
• Original Assignee: E F Johnson Company (JVC Kenwood Corporation)
• Inventors: Jobe, Marshall, Roy, Arindam
• Primary Examiner(s): Tiv, Backhean
• Assistant Examiner(s): Cousins, Joseph M
• Application Number:
  US16/171,177
• Publication Number:
  US 20190069186A1
• Time in Patent Office: 460 Days
• CPC Class Codes: H04L 12/66 Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
• CPC Class Codes: H04L 41/145 involving simulating, designing, planning or modelling of a network
• CPC Class Codes: H04L 61/5007 Internet protocol [IP] addresses
• CPC Class Codes: H04W 16/18 Network planning tools
• CPC Class Codes: H04W 16/22 Traffic simulation tools or models
• CPC Class Codes: H04W 84/042 Public Land Mobile systems, e.g. cellular systems

Abstract

The present disclosure provides a system and method for simulating a land mobile radio system having a plurality of radio sites. The simulation system may comprise an IP network providing an IP-based interface between components within the system such as, for example, a first server designed to simulate one or more radio sites, a second server designed to simulate one or more subscriber units, and a controller interface for providing commands for controlling the simulated subscriber units. Each site in the first server may include one or more site applications each associated with an IP address, and each subscriber unit in the second server is associated with a plurality of IP addresses for communicating with the site applications over the IP network.

Claims

1. A method for simulating a land mobile radio system having a plurality of radio sites, the method comprising:

simulating, by a first server, one or more land mobile radio sites;

simulating, by a second server, one or more simulated subscriber units in communication with at least one of the one or more simulated land mobile radio sites and one or more non-simulated land mobile radio site of the land mobile radio system; and

wherein the first server and the second server are connected to an IP network comprising an IP-based interface between the first server and the second server configured to communicate data packets between the first server and the second server that simulate radio signals among at least two of;

the one or more simulated land mobile radio site, the one or more non-simulated land mobile radio site, the one or more simulated subscriber unit, and a one or more non-simulated subscriber unit;

wherein each simulated land mobile radio site comprises;

an application layer comprising one or more simulated land mobile radio site applications, each simulated land mobile radio site application addressed by at least one simulated land mobile radio site application address on the IP network, such that a plurality of unique simulated land mobile radio site application addresses are associated with the first server to address the one or more simulated land mobile radio site applications;

wherein the one or more simulated land mobile radio site applications comprises at least a control channel application addressed by the unique simulated land mobile radio site application address comprising a unique land mobile radio site control channel application address and the land mobile radio site controller application addressed by the unique simulated land mobile radio site application address comprising a unique land mobile radio site controller application address,

wherein the application layer communicates data packets simulating radio signals from the one or more simulated land mobile radio site applications to at least one of;

the one or more non-simulated land mobile radio site, the one or more simulated land mobile radio site, the one or more non-simulated subscriber unit, and the one or more simulated subscriber unit,

wherein the first server and the second server simulate communication over radio signals by generating and communicating data packets over the IP network between at least two of;

the first server, the second server, at least one of the one or more non-simulated land mobile radio site, at least one of the one or more simulated land mobile radio site, at least one of the one or more non-simulated subscriber unit, and at least one of the one or more simulated subscriber unit, wherein the data packets simulate radio signals,

wherein the first server and the second server simulate a radio call wherein the control channel application is in communication with a first of the one or more simulated subscriber units initiating the call, the communication comprising providing both the unique land mobile radio site control channel address and the unique land mobile radio site controller application address to the first of the one or more simulated subscriber units initiating the call via the IP network,

wherein the first of the one or more simulated subscriber units provides call data to both the unique land mobile radio site control channel address and the unique land mobile radio site controller application address, and

wherein the land mobile radio site controller application transmits at least a portion of the call data to further land mobile radio site controller applications of further simulated land mobile radio site having a same talkgroup ID as the first of the one or more simulated subscriber units for retransmission to further simulated subscriber units.

2. The method for simulating the land mobile radio system as set forth in claim 1, further comprising:

simulating radio site channel allocation with one or more of the simulated subscriber units associated with a unique subscriber unit address;

controlling operation of the one or more simulated subscriber units; and

configuring the simulated land mobile radio system.

3. The method for simulating the land mobile radio system as set forth in claim 1, further comprising performing diagnostic testing of the simulated land mobile radio system.

4. The method for simulating the land mobile radio system as set forth in claim 1, wherein the land mobile radio site controller application is configured to simulate one or more tasks from the group consisting of call routing, channel allocation, subscriber unit validation, site controller redundancy control, talkgroup affiliation validation, unit call validation, emergency call validation, emergency alarm management, group call resource arrangement, subscriber management, inhibiting subscriber units, dynamically regrouping subscriber units, selector locking subscriber units, requesting subscriber unit reregistration, and mobility management.

5. The method for simulating the land mobile radio system as set forth in claim 1, wherein the control channel application is configured to simulate at least one or more control channel messages.

6. The method for simulating the land mobile radio system as set forth in claim 1, wherein a simulated traffic channel application is configured to simulate communication between a simulated traffic channel and one or more of the simulated subscriber units.

7. A system for simulating a land mobile radio system having a plurality of land mobile radio sites, the system comprising:

a first server configured to simulate one or more land mobile radio sites;

a second server configured to simulate one or more simulated subscriber units,

wherein each one or more simulated subscriber unit is associated with a respective unique subscriber unit address, a simulated subscriber unit ID, a talk group ID indicating to which of one or more talkgroup the simulated subscriber unit is affiliated, and a site ID indicating to which of the one or more land mobile radio sites the simulated subscriber unit is registered,

wherein each one or more simulated subscriber unit is in communication with at least one of the one or more simulated land mobile radio sites corresponding to the site ID of the simulated subscriber unit; and

an IP network comprising an IP-based interface between the first server and the second server configured to communicate data packets between the first server and the second server that simulate radio signals among at least two of;

the one or more simulated land mobile radio site, a one or more non-simulated land mobile radio site, the one or more simulated subscriber unit each associated with the respective unique subscriber unit address, and a one or more non-simulated subscriber unit;

wherein each simulated land mobile radio site comprises;

an application layer comprising one or more simulated land mobile radio site applications, each simulated land mobile radio site application having and uniquely addressed by at least one unique simulated land mobile radio site application address on an IP network, such that a plurality of unique addresses are associated with the first server to address the one or more simulated land mobile radio site applications;

wherein the application layer communicates data packets simulating radio signals from the one or more simulated land mobile radio site applications to at least one of;

the one or more non-simulated land mobile radio site, the one or more simulated land mobile radio site, the one or more non-simulated subscriber unit, and the one or more simulated subscriber unit;

wherein the first server and the second server simulate communication over radio signals by generating and communicating data packets over the IP network between at least two of;

the first server, the second server, the non-simulated land mobile radio site, the simulated land mobile radio site, the non-simulated subscriber unit, and the simulated subscriber unit, wherein the data packets simulate radio signals,

wherein the one or more simulated land mobile radio site applications addressed by at least one unique land mobile radio site application address comprises a control channel application associated with a site controller of the simulated land mobile radio site,

wherein the control channel application transmits both the unique land mobile radio site application address of the control channel application and a simulated land mobile radio site address associated with the simulated land mobile radio site having the site controller to a first of the one or more simulated subscriber unit in response to the first of the one or more simulated subscriber units initiating a call,

wherein the first of the one or more simulated subscriber unit transmits call data to the unique land mobile radio site application address of the control channel application and to the unique simulated land mobile radio site address associated with the simulated land mobile radio site having the site controller, and

wherein the simulated land mobile radio site having the site controller transmits at least a portion of the call data to further site controllers of further simulated land mobile radio sites having a same talkgroup ID as the first of the one or more simulated subscriber units for retransmission to further simulated subscriber units.

8. The system for simulating the land mobile radio system as set forth in claim 7, wherein the second server is configured to communicate data between at least one simulated subscriber unit and at least one simulated land mobile radio site application using the IP-based interface.

9. The system for simulating the land mobile radio system as set forth in claim 7 wherein the site controller of the simulated land mobile radio site comprises a land mobile radio site controller application configured to simulate one or more tasks from the group consisting of call routing, channel allocation, subscriber unit validation, site controller redundancy control, talkgroup affiliation validation, group call validation, unit call validation, emergency call validation, emergency alarm management, subscriber management, inhibiting subscriber units, dynamically regrouping subscriber units, selector locking subscriber units, requesting subscriber unit reregistration, and mobility management.

10. The system for simulating the land mobile radio system as set forth in claim 7, wherein a simulated traffic channel application is configured to communicate voice data with one or more of the simulated subscriber units.

11. The system for simulating the land mobile radio system as set forth in claim 7, wherein the second server is configured to transfer voice data over the IP network from one or more of the simulated subscriber units to one or more of the simulated land mobile radio site application addresses.

12. The system for simulating the land mobile radio system as set forth in claim 7, wherein at least one simulated subscriber unit is associated with at least one of the simulated land mobile radio sites.

13. The system for simulating the land mobile radio system as set forth in claim 7, further comprising:

one or more network management systems; and

one or more dispatch consoles;

wherein the IP network is further configured to provide an IP-based interface between the first server, the second server, the one or more network management systems, and the one or more dispatch consoles.

14. A system for simulating a land mobile radio system, the system comprising:

one or more server configured to simulate one or more simulated subscriber units in communication with at least a one or more simulated land mobile radio site of the land mobile radio system; and

an IP network comprising an IP-based interface configured to communicate data packets that simulate radio signals among at least two of;

the one or more simulated land mobile radio site, the one or more non-simulated land mobile radio site, the one or more simulated subscriber unit, and a one or more non-simulated subscriber unit;

wherein each simulated land mobile radio site comprises;

an application layer comprising one or more simulated land mobile radio site applications, each simulated land mobile radio site application having and addressed by at least one simulated land mobile radio site application address on the IP network;

wherein the one or more simulated land mobile radio site applications comprises at least a control channel application addressed by the simulated land mobile radio site application address comprising a land mobile radio site control channel application address, and a land mobile radio site controller application addressed by the simulated land mobile radio site application address comprising a land mobile radio site controller application address,

wherein the application layer communicates data packets simulating radio signals from the one or more simulated land mobile radio site applications to at least one of;

the one or more non-simulated land mobile radio site, the one or more simulated land mobile radio site, the one or more non-simulated subscriber unit, and the one or more simulated subscriber unit,

wherein the one or more server simulates radio signals by generating and communicating data packets over the IP network between at least two of;

the one or more server, the one or more non-simulated land mobile radio site, the one or more simulated land mobile radio site, the one or more non-simulated subscriber unit, and the one or more simulated subscriber unit, wherein the data packets simulate the radio signals, and

wherein the one or more servers simulates a radio call wherein the control channel application is in communication with a first of the one or more simulated subscriber units initiating the call, the communication comprising providing at least one of the unique land mobile radio site control channel address and the unique land mobile radio site controller application address to the first of the one or more simulated subscriber units initiating the call via the IP network,

wherein the first of the one or more simulated subscriber units provides call data to the at least one of the unique land mobile radio site control channel address and the unique land mobile radio site controller application address,

wherein the land mobile radio site controller application transmits at least a portion of the call data to further land mobile radio site controller applications of further simulated land mobile radio sites having a same talkgroup ID as the first of the one or more simulated subscriber units for retransmission to further simulated subscriber units.

15. The system for simulating the land mobile radio system as set forth in claim 14, wherein the IP network is configured to associate at least one simulated subscriber unit with at least one simulated land mobile radio site application.

16. The system for simulating the land mobile radio system as set forth in claim 14, wherein a simulated traffic channel application is configured to simulate communication between a simulated traffic channel and one or more of the simulated subscriber units.

17. The system for simulating the land mobile radio system as set forth in claim 14, wherein at least one of the one or more server is configured to transfer voice data over the IP network from one or more of the simulated subscriber units to one or more of the simulated land mobile radio site application addresses.

18. The system for simulating the land mobile radio system as set forth in claim 14, wherein the IP-based interface is configured to simulate communicating between at least one of the one or more simulated subscriber unit and one of the one or more simulated land mobile radio site applications of the application layer by communicating data packets over the IP network, wherein the data packets are communicated between a address associated with the simulated land mobile radio site application and a address associated with the at least one of the one or more the simulated subscriber unit.

19. The system for simulating the land mobile radio system as set forth in claim 14, wherein at least one simulated subscriber unit is associated with at least one of the simulated land mobile radio sites.