**7. Conclusion**

In this article, the authors reported an investigation of the information flow among aircrafts and proposed a new digital communication protocol which uses ad hoc mesh network technologies. The authors illustrated the proposed protocol could be operated utilizing conventional aircraft hardware and will accomplish extremely dependable interaction with a very short time period (a couple of tens of seconds). The simulations supported the strength of the suggested protocol.

If the ad hoc mesh system introduced in this article will come into reality, the application will cover not only CDO but also the autonomous management of associate adjacent craft. Moreover, computer networks that will manage ultrahighspeed nodes like aircraft would contribute to conventional mobile digital networks that are actively studied.

### **Acknowledgements**

This research was supported by *Electronic Navigation Research Institute*, Japan.

### **A. Simulation program**

The simulation program used in this report is posted at https://github.com/ kanaya. This program works with the Scheme interpreter (R5RS conforming or higher).

**39**

**Author details**

\* and Eri Itoh2

1 The University of Nagasaki, Nagasaki, Japan

provided the original work is properly cited.

2 Electronic Navigation Research Institute, Tokyo, Japan

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium,

\*Address all correspondence to: kanaya@pineapple.cc

Ichi Kanaya1

*Design of an Ad Hoc Mesh Network for Aircrafts DOI: http://dx.doi.org/10.5772/intechopen.86510*

*Design of an Ad Hoc Mesh Network for Aircrafts DOI: http://dx.doi.org/10.5772/intechopen.86510*

*Wireless Mesh Networks - Security, Architectures and Protocols*

which means that attenuation is intentionally performed.

to consider satellite internet as a complementary protocol.

The simulations supported the strength of the suggested protocol.

Simulation 1 under the condition of *K* = 0.316 shows that 97.7% of information is effectively transmitted by time step 30 (which means 30 s after the start of the communication). If we remind ε−0.316 = 0.729, we can say that the theoretical arrival rate of information with a distance of one in this model is 72.9%, while by this method, the rate can be improved to 97.7% (meaning 134% improvement) within 30 s, and this improvement can be achieved without controlling intervals of the

By the outcomes of Simulation 2, the total amount of hops necessary for information transmission is likely to decrease with a rise in the quantity of time steps. In this particular operation, its anticipated attenuation term *dijk* is set to less than 1,

As discussed above, even in a communication environment with extremely small reliability, it's apparent that highly dependable communication is possible through the dispersed nature of the aircrafts in the airspace. Under the circumstances of this particular simulation, 97.7% of information was correctly shared among the aircrafts with 30 s of interaction. As the datagram size is no more than 224 [octet], aside from error correction in the transport layer, the data rate under a guaranteed transmission rate of 98% is approximately 60 bit/s in the worst case. (In the very best situation, the theoretical value is approximately

Even though this appears to be an incredibly narrow communication band for contemporary wireless communication, it's a feasible numerical value for missioncritical inter-aircraft. For communication which is not mission critical, we are able

In this article, the authors reported an investigation of the information flow among aircrafts and proposed a new digital communication protocol which uses ad hoc mesh network technologies. The authors illustrated the proposed protocol could be operated utilizing conventional aircraft hardware and will accomplish extremely dependable interaction with a very short time period (a couple of tens of seconds).

If the ad hoc mesh system introduced in this article will come into reality, the application will cover not only CDO but also the autonomous management of associate adjacent craft. Moreover, computer networks that will manage ultrahighspeed nodes like aircraft would contribute to conventional mobile digital networks

This research was supported by *Electronic Navigation Research Institute*, Japan.

The simulation program used in this report is posted at https://github.com/ kanaya. This program works with the Scheme interpreter (R5RS conforming or

**6. Discussion**

aircrafts.

1.8 kbit/s).

**7. Conclusion**

that are actively studied.

**Acknowledgements**

**A. Simulation program**

**38**

higher).
