### Abstract

There are different techniques used by Machine-to-machine (M2M) communications technologies to mitigate collision problem and data loss. One of these techniques is Frequency Hopping (FH), which is used by Weightless-N technology with a special random channel selection algorithm. In such a system, the probability of a message collision mainly depends on the randomisation algorithm used to access channels. This paper provides a novel randomisation algorithm for the channel selection process of the Weightless-N system. The new proposed algorithm is based on a uniform randomisation distribution and called a Uniform Randomisation Channel Selection Technique (URCST). This new algorithm provides a better system performance and lower probability of collision. In addition, it is faster and easier than the Mersenne Twister algorithm.

Original language | English |
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Title of host publication | 8th International Network of the Future (NoF) Conference Proceedings |

Place of Publication | London |

Publisher | IEEE |

Publication status | Accepted/In press - 1 Sep 2017 |

### Keywords

- Weightless-N
- M2M
- LPWAN
- frequency hopping
- random channel access
- collision

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## Profiles

## Ali Al-Sherbaz

- University of Northampton, Computing - Senior Lecturer - Computing
- Science and Technology Research in Pedagogy

Person: Academic

## Cite this

Abbas, R., Al-Sherbaz, A., Bennecer, A., & Picton, P. (Accepted/In press). A new channel selection algorithm for the Weightless-N Frequency Hopping with lower collision probability. In

*8th International Network of the Future (NoF) Conference Proceedings*IEEE.