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Interference management of analog function computation in multi-cluster networks
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Zhang, Haoyu, Chen, Li, Zhao, Nan, Chen, Yunfei and Yu, F. Richard (2022) Interference management of analog function computation in multi-cluster networks. IEEE Transactions on Communications, 70 (7). pp. 4607-4623. doi:10.1109/TCOMM.2022.3172996 ISSN 0090-6778.
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WRAP-Interference-management-analog-function-computation-multi-cluster-network-2022.pdf - Accepted Version - Requires a PDF viewer. Download (5Mb) | Preview |
Official URL: https://doi.org/10.1109/TCOMM.2022.3172996
Abstract
Computation over multiple access channels (CoMAC) has been proposed to solve the problem of spectrum scarcity in wireless networks, which combines communication and computation efficiently using the superposition property of wireless channels. In this paper, we consider a multi-cluster CoMAC network, whose performance is affected by the inter-cluster interference and the non-uniform fading. To minimize the sum mean squared error of signals aggregated at different fusion centers (FCs), we propose a transceiver design for multi-cluster CoMAC. Specifically, we adopt a uniform-forcing transmitter design to formulate the receiver design as a quadratic sum-of-ratios problem with nonconvex quadratic constraints. Then, we propose a branch-and-bound algorithm to find its optimal solution with a given error tolerance. To solve the problem in a decentralized way, we develop a distributed algorithm based on the primal decomposition theory. Each subproblem is solved by using the successive convex approximation method. Further combining Lagrange duality, we derive the optimal solution structure of each subproblem, based on which we can find the solution with lower complexity. Simulation results demonstrate the effectiveness of the proposed distributed transceiver design.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Wireless communication systems, Wireless communication systems -- Interference, Natural computation , Multiple access protocols (Computer network protocols) | |||||||||
| Journal or Publication Title: | IEEE Transactions on Communications | |||||||||
| Publisher: | IEEE | |||||||||
| ISSN: | 0090-6778 | |||||||||
| Official Date: | July 2022 | |||||||||
| Dates: |
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| Volume: | 70 | |||||||||
| Number: | 7 | |||||||||
| Page Range: | pp. 4607-4623 | |||||||||
| DOI: | 10.1109/TCOMM.2022.3172996 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| Date of first compliant deposit: | 3 May 2022 | |||||||||
| Date of first compliant Open Access: | 4 May 2022 | |||||||||
| RIOXX Funder/Project Grant: |
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