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Method for Robust, Deterministic, and Certifiable Spectrum Sharing for Certified Use in Safety Critical Ad Hoc Mobile Network Communications

IP.com Disclosure Number: IPCOM000239224D
Publication Date: 2014-Oct-22
Document File: 5 page(s) / 394K

Publishing Venue

The IP.com Prior Art Database

Abstract

Spectrum is a very limited resource and is needed to support a wide range of wireless services. To prevent interference and allow for efficient use of the radio spectrum, services that require wireless communications traditionally have been allocated the sole use of specific frequencies. This traditional allocation of spectrum resources among all those who desire to use it is becoming increasingly difficult. This paper describes a robust, deterministic, and certifiable means to enable more efficient use of the spectrum through spectrum sharing that does not compromise the functionality or cause unacceptable interference to the services sharing the same spectrum.

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Introduction:

Spectrum is a very limited resource and is needed to support a wide range of wireless services that provide functions including, for example, communications, navigation, surveillance, guidance, and control. To prevent interference and allow for efficient use of the radio spectrum, services that utilize wireless communications traditionally have been allocated the sole use of specific frequencies. Allocation of the spectrum among all those who desire to use it is becoming increasingly more difficult as systems have been fielded that have been allocated much of this limited resource and new services are seeking additional allocations of the limited spectrum to be able to provide new or expanded capabilities.

With the anticipated significant increase in demand on the limited and scarce natural resource of spectrum (especially the radio frequency (RF) spectrum in the frequency range of 3 Hz to 300 GHz), there is increasing interest in enhancing spectrum efficiency through spectrum sharing. There are a number of significant safety-relevant challenges when trying to reuse/share spectrum when it is being used for safety critical applications. The innovation described herein is a robust, deterministic, and certifiable means of spectrum sharing that does not compromise the functionality nor does
it result in unacceptable interference to other services that are sharing the same spectrum. This will enable spectrum sharing to be utilized, even when the wireless communications are supporting safety critical services.

Background

Spectrum is a key element of wireless communications systems and needs to be managed with great care. The use of the radio spectrum is regulated, its access is controlled, and the rules for its use enforced because of the possibilities of interference between uncoordinated uses.

The spectrum in the United States is managed and controlled by the National Telecommunications and Information Administration (NTIA) for federal users and the Federal Communications Commission (FCC) for non-federal users. Federal users include for example the aviation, national defense, law enforcement & security, transportation, etc. Non- federal users include businesses, state and local governments, as well as commercial and private users. Spectrum in the United States relevant to civil aviation is sub-managed and controlled by the FAA (specifically the FAA Spectrum Engineering Services Office) within the spectrum allocation and conditions established by the NTIA. The FAA Spectrum Engineering Services Office works to secure, manage, and protect all civil aviation radio frequency spectrum resources. Internationally, spectrum is managed by a specialized agency of the United Nations called the International Telecommunications Union (ITU). In addition, a second specialized agency of the United Nations called the International Civil Aviation Organization (ICAO) is responsible for managing the aviation spectrum.

It has been proposed th...