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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 . (In Press)
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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 | |||||||||
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| 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: | 23 May 2019 | |||||||||
| Dates: |
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| Date of first compliant deposit: | 28 May 2019 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | In Press | |||||||||
| 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: |
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