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Communicating or computing over the MAC : function-centric wireless networks

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Chen, Li, Zhao, Nan, Chen, Yunfei, Yu, Richard and Wei, Guo (2019) Communicating or computing over the MAC : function-centric wireless networks. IEEE Transactions on Communications, 67 (9). pp. 6127-6138. doi:10.1109/TCOMM.2019.2919837

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Official URL: https://doi.org/10.1109/TCOMM.2019.2919837

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Abstract

Distributing data aggregation through multiple ac-cess channel (MAC) has been challenging in large wireless networks. In order to tackle the challenge, computing over the MAC (CP-MAC) scheme has been proposed as a promising communication-computation integrated way for function-centric networks. In this paper, we analyze the performance of the CP-MAC scheme, compared with the traditional communication-computation separated way, i.e., communicating over the MAC (CM-MAC) scheme. Function-centric wireless networks are considered, where the fusion center (FC) does not need the individual data of each node but only the target function. We begin with the ideal uniform-MAC scenarios, where the CP-MAC scheme is always better than the CM-MAC scheme. Then, practical non-uniform MAC scenarios are studied for both homogeneous networks with Rayleigh fading and heterogeneous networks with different path loss. Closed-form expressions of the achievable function rate are provided using the asymptotic theory of ordered statistics. It is found that the CP-MAC scheme is not always superior to the CM-MAC scheme. Simulation results are provided to verify and illustrate our derived result

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH): Multiple access protocols (Computer network protocols)
Journal or Publication Title: IEEE Transactions on Communications
Publisher: IEEE
ISSN: 0090-6778
Official Date: 29 May 2019
Dates:
DateEvent
29 May 2019Published
23 May 2019Accepted
Volume: 67
Number: 9
Page Range: pp. 6127-6138
DOI: 10.1109/TCOMM.2019.2919837
Status: Peer Reviewed
Publication Status: Published
Publisher Statement: © 2019 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.
Access rights to Published version: Restricted or Subscription Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
61601432[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
2018D03[MEPRC] Ministry of Education of the People's Republic of Chinahttp://dx.doi.org/10.13039/501100002338
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