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Success Probability of Multiple-Preamble Based Single-Attempt Random Access to Mobile Networks

Vural, Serdar, Wang, Ning, Foster, G and Tafazolli, Rahim (2017) Success Probability of Multiple-Preamble Based Single-Attempt Random Access to Mobile Networks IEEE Communications Letters. pp. 1-5.

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Abstract

In this letter, we analyse the trade-off between collision probability and code-ambiguity, when devices transmit a sequence of preambles as a codeword, instead of a single preamble, to reduce collision probability during random access to a mobile network. We point out that the network may not have sufficient resources to allocate to every possible codeword, and if it does, then this results in low utilisation of allocated uplink resources. We derive the optimal preamble set size that maximises the probability of success in a single attempt, for a given number of devices and uplink resources.

Item Type: Article
Authors :
NameEmailORCID
Vural, SerdarS.Vural@surrey.ac.ukUNSPECIFIED
Wang, NingN.Wang@surrey.ac.ukUNSPECIFIED
Foster, GUNSPECIFIEDUNSPECIFIED
Tafazolli, RahimR.Tafazolli@surrey.ac.ukUNSPECIFIED
Date : 24 April 2017
Identification Number : https://doi.org/10.1109/LCOMM.2017.2697420
Copyright Disclaimer : © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords : mobile networks, random access, code-expanded random access
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 27 Jun 2017 09:15
Last Modified : 27 Jun 2017 09:17
URI: http://epubs.surrey.ac.uk/id/eprint/814028

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