DISTRIBUTED RADIO FREQUENCY SPECTRUM SHARING COORDINATION SYSTEM

• US 20200137583A1
• Filed: 10/24/2018
• Published: 04/30/2020
• Est. Priority Date: 10/24/2018
• Status: Active Application

• Current Assignee: Motorola Solutions, Inc.
• Original Assignee: Motorola Solutions, Inc.
• Inventors: Economy, George R., Senese, Thomas J., Yang, Yunhai
• Application Number:
  US16/169,374
• Publication Number:
  US 20200137583A1
• Time in Patent Office: Days
• CPC Class Codes: H04W 16/10 Dynamic resource partitioning
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 28/16 Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

Systems and methods for allocating radio frequency spectrum. One example system includes a spectrum broker server including a communications interface and an electronic processor. The electronic processor is configured to determine an available radio frequency spectrum allocation. The electronic processor is configured to receive a spectrum request for the available radio frequency spectrum allocation at the communications interface, wherein the spectrum request is associated with a spectrum-consuming entity. The electronic processor is configured to receive, from a plurality of validation nodes, a plurality of votes based on the spectrum request. The electronic processor is configured to determine whether to grant the spectrum request based on the plurality of votes. The electronic processor is configured to, responsive to determining to grant the spectrum request, allocate the available radio frequency spectrum allocation to the spectrum-consuming entity.

Claims

1. A system to allocate radio frequency spectrum, the system comprising:

a spectrum broker server including

a communications interface; and

an electronic processor configured to

determine an available radio frequency spectrum allocation;

receive a spectrum request for the available radio frequency spectrum allocation at the communications interface, wherein the spectrum request is associated with a spectrum-consuming entity;

receive, from a plurality of validation nodes, a plurality of votes based on the spectrum request;

determine whether to grant the spectrum request based on the plurality of votes; and

responsive to determining to grant the spectrum request, allocate the available radio frequency spectrum allocation to the spectrum-consuming entity.

2. The system of claim 1, wherein

determining the available radio frequency spectrum allocation includes determining a plurality of conditions associated with the available radio frequency spectrum allocation;

and

the spectrum request includes an indication that the plurality of conditions are accepted.

3. The system of claim 2, wherein the plurality of conditions is included in a smart contract associated with the available radio frequency spectrum allocation.

4. The system of claim 1, wherein the electronic processor is further configured to, responsive to determining to grant the spectrum request, transmit an authentication key associated with the available radio frequency spectrum allocation to the spectrum-consuming entity.

5. The system of claim 1, wherein the electronic processor is further configured to determine the available radio frequency spectrum allocation by

retrieving, from a distributed ledger containing radio frequency spectrum information, a first transaction including a proposed radio frequency spectrum allocation from the distributed ledger;

receiving, via the communication interface, a plurality of votes on the proposed radio frequency spectrum allocation from the plurality of validation nodes; and

determining, based on the plurality of votes on the proposed radio frequency spectrum allocation, whether to make the proposed radio frequency spectrum allocation available for requests.

6. The system of claim 1, wherein the electronic processor is further configured to determine the available radio frequency spectrum allocation by receiving, from a radio frequency analysis server, an underutilized spectrum allocation selected from a plurality of existing spectrum allocations.

7. The system of claim 1, wherein the electronic processor is further configured to:

assign a weight to each of the plurality of votes based on at least one factor selected from the group consisting of an owner of the spectrum, an interference analysis, an equipment capability, a spectrum-consuming entity type, a user type, a business rule, a desired operation area, and a power output; and

generate a plurality of weighted votes based on the plurality of votes and the weight for each of the plurality of votes;

wherein determining whether to grant the spectrum request includes determining whether to grant the spectrum request based on the plurality of weighted votes.

8. The system of claim 5, wherein the radio frequency spectrum information includes financial transactions.

9. The system of claim 5, wherein the radio frequency spectrum information includes a transaction history for spectrum allocations made by the spectrum broker server.

10. The system of claim 1, wherein the electronic processor is further configured to receive the spectrum request for the available radio frequency spectrum allocation by retrieving, from a distributed ledger containing radio frequency spectrum information, a transaction.

11. A method to allocate radio frequency spectrum, the method comprising:

determining, with an electronic processor, an available radio frequency spectrum allocation;

receiving a spectrum request for the available radio frequency spectrum from a spectrum-consuming entity;

receiving, from a plurality of validation nodes, a plurality of votes based on the spectrum request;

determining whether to grant the spectrum request based on the plurality of votes; and

responsive to determining to grant the spectrum request, allocating the available radio frequency spectrum allocation to the spectrum-consuming entity.

12. The method of claim 11, wherein

determining the available radio frequency spectrum allocation includes determining a plurality of conditions associated with the available radio frequency spectrum allocation;

and

the spectrum request includes an indication that the plurality of conditions are accepted.

13. The method of claim 12, wherein the plurality of conditions is included in a smart contract associated with the available radio frequency spectrum allocation.

14. The method of claim 11, further comprising:

responsive to determining to grant the spectrum request, transmitting an authentication key associated with the available radio frequency spectrum allocation to the spectrum-consuming entity.

15. The method of claim 11, wherein determining the available radio frequency spectrum allocation includes

retrieving, from a distributed ledger containing radio frequency spectrum information, a first transaction including a proposed radio frequency spectrum allocation from the distributed ledger;

receiving a plurality of votes on the proposed radio frequency spectrum allocation from the plurality of validation nodes; and

determining, based on the plurality of votes on the proposed radio frequency spectrum allocation, whether to make the proposed radio frequency spectrum allocation available for requests.

16. The method of claim 11, wherein determining the available radio frequency spectrum allocation includes receiving, from a radio frequency analysis server, an underutilized spectrum allocation selected from a plurality of existing spectrum allocations.

17. The method of claim 11, further comprising:

assigning a weight to each of the plurality of votes based on at least one factor selected from the group consisting of an owner of the spectrum, an interference analysis, an equipment capability, a spectrum-consuming entity type, a user type, a business rule, a desired operation area, and a power output; and

generating a plurality of weighted votes based on the plurality of votes and the weight for each of the plurality of votes;

wherein determining whether to grant the spectrum request includes determining whether to grant the spectrum request based on the plurality of weighted votes.

18. The method of claim 15, wherein the radio frequency spectrum information includes financial transactions.

19. The method of claim 15, wherein the radio frequency spectrum information includes a transaction history for spectrum allocations made by a spectrum broker server.

20. The method of claim 11, wherein receiving a spectrum request for the available radio frequency spectrum allocation includes retrieving, from a distributed ledger containing radio frequency spectrum information, a transaction.