Outage probability for multi-hop d2d communications with shortest path routing

Siyi Wang, Weisi Guo, Zhenyu Zhou, Yue Wu, Xiaoli Chu

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)

Abstract

In this letter, we provide a tractable theoretical framework for analysing the performance of device-to-device (D2D) communications in the presence of co-channel interference from other D2D and conventional cellular (CC) transmissions. In particular, we consider multi-hop D2D using the shortest-path-routing (SPR) algorithm in both the uplink (UL) and the downlink (DL) channels. Closed-form expressions for the number of hops and the outage probability are presented. Our analytical and numerical results both show that while the D2D links are reasonably reliable (outage probability < 5%), they can severely degrade the performance of CC transmissions (outage probability > 25%). Accordingly, we exploit and provide insights into the trade-off between D2D and CC transmission reliability.

Original languageEnglish
Article number7234855
Pages (from-to)1997-2000
Number of pages4
JournalIEEE Communications Letters
Volume19
Issue number11
DOIs
Publication statusPublished - 1 Nov 2015

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