Routing Strategy for Multi-Hop and Multi-Connection Communications Based on Low-Latency Proximity Radio Access Network

Li Ma, Lei Wang, Kexin Yang, Nuoya Zhang, Xueliang Chen, Yanqing Lu, Yudong Yao

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

This letter investigates the routing and traffic allocation strategies of the proximity radio access network (P-RAN), and provides a system model of the multi-hop and multi-connection (MHMC) network, aiming at reducing the end-to-end latency. Considering different resource scheduling mechanisms, we calculate the transmission probability of the relay nodes, and derive a closed-form expression of the end-to-end (E2E) data rate to reduce the latency of the network under the condition of signal's transmission guarantees. The relationships of E2E latency with networking parameters such as hops, connections of sub nodes, traffic allocation, priorities of relay signals and etc. have been analyzed under different user densities. Based on the theoretical analysis and simulation results, we present effective routing and update algorithms for the MHMC network, which is beneficial to low-latency device-to device (D2D) communications.

Original languageEnglish
Pages (from-to)2038-2042
Number of pages5
JournalIEEE Wireless Communications Letters
Volume12
Issue number12
DOIs
StatePublished - 1 Dec 2023

Keywords

  • D2D communications
  • Multi-hop multi-connection networks
  • end-to-end latency
  • routing and traffic allocation

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