Joint Machine-Type Device Selection and Power Allocation for Buffer-Aided Cognitive M2M Communication
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Date
2015
Authors
Darabi, Mostafa
Maham, Behrouz
Saad, Walid
Mehbodniya, Abolfazl
Adachi, Fumiyuki
Journal Title
Journal ISSN
Volume Title
Publisher
The 26th Personal, Indoor and Mobile Radio Communications Conference (IEEE PIMRC)
Abstract
In this paper, a cognitive machine-to-machine
(M2M) communication network is considered, in which a cellular
network shares the spectrum with the M2M communication
network with M machine-type devices (MTDs), one half-duplex
relay, and one MTD gateway for data gathering. One key
challenge is that in the future 5G wireless networks, there will
be billions of those small MTDs, and therefore, a MTD selection
protocol is required for managing data transmission between
MTDs. A joint buffer-aided MTD selection and power allocation
protocol is proposed to maximize the MTDs’ sum-rate provided
that the induced interference to the cellular network is limited.
In particular, in the proposed scheme, at each time slot and
each subcarrier, the cognitive M2M network optimally decides
on whether to be silent or to select either the relay or one of the
MTDs for data transmission. To this end, for each MTD, there
exists a buffer at the relay to avoid data loss. The closed-form
expressions for the power coefficients of MTDs are calculated.
Simulation results show that the proposed policy improves the
sum-rate of the CM2M network in comparison with the other
proposed schemes for M2M communication without buffer
Description
Keywords
Buffer-aided cognitive M2M communication, machine-type device selection, power allocation, 5G network
Citation
Mostafa Darabiy, Behrouz Mahamyz, Walid Saad, Abolfazl Mehbodniyax, and Fumiyuki Adachi; 2015; Joint Machine-Type Device Selection and Power Allocation for Buffer-Aided Cognitive M2M Communication; The 26th Personal, Indoor and Mobile Radio Communications Conference (IEEE PIMRC); http://nur.nu.edu.kz/handle/123456789/2012