Distributed Frequency Offsets Estimation
Du J.2; Ma S.3; Yang G.1
2018-08-24
Conference Name2018 IEEE 19TH INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (SPAWC)
Source PublicationIEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC
Pages211-215
Conference DateJUN 25-28, 2018
Conference PlaceKalamata, GREECE
Abstract

In this paper, we provide a distributed frequency offset estimation algorithm based on a variant of belief propagation (BP). Each agent in the network pre-compensates its carrier frequency individually so that there is no frequency offset from the desired carrier frequency between each pair of transceiver. The pre-compensated offset for each agent is computed in a distributed fashion in order to be adaptive to the distributed network. The updating procedure of the variant of BP is designed in a broadcasting fashion to reduce communication burden. It is rigorously proved that the proposed algorithm is convergence guaranteed. Simulations show that this method achieves almost the optimal frequency compensation accuracy with an error annroachina the Cramer-Rae lower bound.

KeywordBelief Propagation Frequency Offset Probabilistic Graphical Model
DOI10.1109/SPAWC.2018.8445901
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Telecommunications ; Engineering
WOS SubjectComputer Science, Interdisciplinary Applications ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000451080200043
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Jinan University
2.Carnegie Mellon University
3.Universidade de Macau
Recommended Citation
GB/T 7714
Du J.,Ma S.,Yang G.. Distributed Frequency Offsets Estimation[C],2018:211-215.
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