Virtual network configuration and management system for satellite communication system

• US 6,112,085 A
• Filed: 09/04/1997
• Issued: 08/29/2000
• Est. Priority Date: 11/30/1995
• Status: Expired due to Term

• Current Assignee: ATC Technology Corporation (FedEx Corporation)
• Original Assignee: Amsc Subsidiary Corp. (PetIQ, Inc.)
• Inventors: Garner, William B., Tisdale, William R.
• Primary Examiner(s): Eisenzopf, Reinhard J.
• Assistant Examiner(s): BANKS HAROLD, MARSHA DENISE
• Application Number:
  US08/923,534
• Time in Patent Office: 1,090 Days
• Field of Search: 455/12.1, 455/13.1, 455/13.2, 455/403, 455/410, 455/411, 455/422, 455/424, 455/425, 455/426, 455/427, 455/428, 455/429, 455/430, 455/517, 455/518, 455/519, 455/524 , 455/525, 455/62, 455/63, 455/67.1
• US Class Current: 455/428
• CPC Class Codes: H04B 7/18539 Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
• CPC Class Codes: H04B 7/18567 Arrangements for providing additional services to the basic mobile satellite telephony service
• CPC Class Codes: H04B 7/18578 Satellite systems for providing broadband data service to individual earth stations for selecting H04W; provisions for broadband connection, H04Q11/0478
• CPC Class Codes: H04W 12/062 Pre-authentication
• CPC Class Codes: H04W 28/18 Negotiating wireless communication parameters
• CPC Class Codes: H04W 4/06 Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 40/02 Communication route or path selection, e.g. power-based or shortest path routing
• CPC Class Codes: H04W 74/00 Wireless channel access
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 8/26 Network addressing or numbering for mobility support
• CPC Class Codes: H04W 84/06 Airborne or Satellite Networks space-based or airborne stations H04B7/185

Abstract

In a mobile satellite system, a system for providing satellite communication between multiple users in a virtual network arrangement includes first and second mobile earth terminals (METs) responsively connected to and registering with the mobile satellite system. The first MET selects a virtual network identifier (VN ID) representing a virtual network group including the first and second METs to establish voice communication therewith and transmits the VN ID to a central controller. The central controller receives the VN ID from the first MET, validates the first MET for communication, validates the VN ID, allocates a frequency for the virtual network group, and broadcasts the message to the virtual network group including the second MET informing the virtual network group of the allocated frequency and the voice communication associated therewith. The second MET tunes to the frequency in response to the message broadcast by the central controller.

Claims

1. In a mobile satellite system including a satellite communication switching office having a satellite antenna for receiving/transmitting a satellite message via a satellite from/to a vehicle using a mobile communication system, a central controller receiving/transmitting the satellite message from/to the satellite communication switching office issued from the vehicle via the satellite, a method of providing satellite communication and satellite management for multiple users in a virtual network arrangement, said method comprising the steps of:

(a) first and second mobile earth terminals (METs) registering with the mobile satellite system;

(b) the first MET selecting a virtual network identifier (VN ID) representing a virtual network group including at least the first and second METs to establish voice communication therewith;

(c) the first MET transmitting the VN ID to the central controller;

(d) the central controller receiving the VN ID, allocating a frequency for the virtual network group, and broadcasting the message to the virtual network group including the second MET informing the virtual network group of the allocated frequency and the voice communication associated therewith;

(e) the second MET tuning to the frequency in response to the message broadcast by the central controller; and

(f) the first and second METs communicating with each other on the frequency.

2. The method according to claim 1, further comprising the steps of:

(1) a third MET included in the virtual network group registering with the mobile satellite system;

(2) the central controller broadcasting the message to the virtual network group including the third MET informing the virtual network group of the allocated frequency and the voice communication associated therewith; and

(3) the third MET tuning to the allocated frequency for the virtual network group to gain access thereto and communicate with the first and second METs.

3. The method according to claim 1, wherein the central controller controls the satellite communication of the virtual network arrangement including virtual network parameters used by the first and second METs.

4. The method according to claim 1, wherein the central controller collects billing information regarding the satellite communication and transmits the billing information to the mobile satellite system, and wherein the mobile satellite system charges a service fee to a customer that has requested the virtual network arrangement.

5. The method according to claim 1, further comprising the steps of:

(1) a non-MET accessing the mobile satellite system via one of a public switched telephone network and a cellular network to initiate a communication with the virtual network group including at least one of the first and second METs;

(2) the central controller broadcasting the message to the virtual network group informing the virtual network group of the allocated frequency and the voice communication associated therewith; and

(3) the at least one of the first and second METs tuning to the frequency in response to the message broadcast by the central controller to communicate with the non-MET in the virtual network arrangement.

6. The method according to claim 1, further comprising the steps of:

(1) the first MET selecting the virtual network identifier (VN ID) representing the virtual network group including the first MET and a non-MET serviced by one of a public switched telephone network and a cellular network to establish voice communication therewith;

(2) the first MET transmitting the VN ID to the central controller;

(3) the central controller receiving the VN ID, determining that the virtual network group includes the non-MET, and broadcasting a non-MET message to the one of the public switched telephone network and the cellular network including the voice communication associated therewith; and

(4) the one of the public switched telephone network and the cellular network receiving the non-MET message from the central controller and transmitting the non-MET message to the non-MET to establish the virtual network arrangement between the MET and the non-MET.

7. In a mobile satellite system including a satellite communication switching office having a satellite antenna for receiving/transmitting a satellite message via a satellite from/to a vehicle using a mobile communication system, a central controller receiving/transmitting the satellite message from/to the satellite communication switching office issued from the vehicle via the satellite, a system for providing satellite communication between multiple users in a virtual network arrangement, comprising:

first and second mobile earth terminals (METs) responsively connected to and registering with the mobile satellite system, the first MET selecting a virtual network identifier (VN ID) representing a virtual network group including the first and second METs to establish voice communication therewith and transmitting the VN ID; and

a central controller responsively connected to the first and second METs, the central controller receiving the VN ID from the first MET, validating the first MET for communication, validating the VN ID, allocating a frequency for the virtual network group, and broadcasting the message to the virtual network group including the second MET informing the virtual network group of the allocated frequency and the voice communication associated therewith, the second MET tuning to the frequency in response to the message broadcast by the central controller, and the central controller assigning the first MET as current speaker for the virtual network group.

8. The system according to claim 7, wherein the central controller controls the satellite communication including virtual network parameters used by the first and second METs.

9. The system according to claim 7, wherein the central controller collects billing information regarding the satellite communication and transmits the billing information to the mobile satellite system, and wherein the mobile satellite system charges a service fee to a customer that has requested the virtual network arrangement.

10. The system according to claim 7, wherein

a non-MET accesses the mobile satellite system via one of a public switched telephone network and a cellular network to initiate a communication with the virtual network group including at least one of the first and second METs,

the central controller broadcasts the message to the virtual network group informing the virtual network group of the allocated frequency and the voice communication associated therewith, and

the at least one of the first and second METs tunes to the frequency in response to the message broadcast by the central controller to communicate with the non-MET in the virtual network arrangement.

11. The system according to claim 7, wherein

the first MET selects the virtual network identifier (VN ID) representing the virtual network group including the first MET and a non-MET serviced by one of a public switched telephone network and a cellular network to establish voice communication therewith, and transmits the VN ID to the central controller,

the central controller receives the VN ID, determines that the virtual network group includes the non-MET, and broadcasts a non-MET message to the one of the public switched telephone network and the cellular network including the voice communication associated therewith, and

the one of the public switched telephone network and the cellular network receives the non-MET message from the central controller and transmits the non-MET message to the non-MET to establish the virtual network arrangement between the MET and the non-MET.

12. The system according to claim 7, further comprising a third MET responsively connected to said central controller and included in the virtual network group registering with the mobile satellite system, and wherein

the central controller broadcasts the message to the virtual network group including the third MET informing the virtual network group of the allocated frequency and the voice communication associated therewith,

the third MET generating a scrambling vector for access to the voice communication, and tuning to the allocated frequency for the virtual network group using the scrambling vector to gain access thereto.