Non-Orthogonal Hash Access for Grant-Free IoT Blockchain Radio Access Networks

We consider a blockchain radio access network where the devices share the wireless channel using the hash access (HA) protocol. In HA, devices obtain access to the channel with low collision probability and little control overhead upon reaching a valid hash value, below an advertised target. We elaborate on the HA protocol by proposing the non-orthogonal hash access (NOHA) scheme, where successive interference cancellation (SIC) is used with non-orthogonal multiple access (NOMA), dealing with collisions not handled by the standard HA protocol, boosting the network performance. Moreover, we find the optimal hash difficulty to access the channel that maximizes the network throughput. Analytical and numerical results show that with a single additional SIC iteration we are capable of achieving more than double the throughput of the standard HA protocol.

• Publication year

  2021

• Venue

  IEEE Wireless Communications Letters

• Publication date

  2021-05-01

• Fields of study

  Computer Science, Engineering

• Identifiers
  DOI 10.1109/LWC.2021.3057264
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

• NOMA-Enabled Cooperative Computation Offloading for Blockchain-Empowered Internet of Things: A Learning Approach

  2021cited by this paper
• Blockchain Radio Access Network Beyond 5G

  2020influential reference
• Blockchain-Empowered Framework for Decentralized Network Management in 6G

  2020cited by this paper
• Hash Access: Trustworthy Grant-Free IoT Access Enabled by Blockchain Radio Access Networks

  2020influential reference
• and s

  2019cited by this paper
• A Speculative Study on 6G

  2019cited by this paper
• Key drivers and research challenges for 6G ubiquitous wireless intelligence

  2019cited by this paper
• Practical Modeling and Analysis of Blockchain Radio Access Network

  2019cited by this paper
• Blockchain Radio Access Network (B-RAN): Towards Decentralized Secure Radio Access Paradigm

  2019cited by this paper
• Blockchain-Enabled Wireless Internet of Things: Performance Analysis and Optimal Communication Node Deployment

  2019cited by this paper
• Probability

  2019cited by this paper
• Theoretical Analysis of the Dynamic Decode Ordering SIC Receiver for Uplink NOMA Systems

  2017influential reference
• Table Of Integrals Series And Products

  2016cited by this paper
• Handbook Of Mathematical Functions

  2016cited by this paper
• A Table of Integrals

  2010cited by this paper
• Convex optimization

  2010cited by this paper
• Wireless Communications

  2005cited by this paper
• Probability, random variables and stochastic processes

  1985cited by this paper
• Handbook of Mathematical Functions with Formulas, Graphs,

  1971cited by this paper

• No citing papers are available for this paper.