Show simple item record

dc.contributor.authorAhmadi, Mohammad Javad
dc.contributor.authorDuman, Tolga M.
dc.coverage.spatialEspoo, Finlanden_US
dc.date.accessioned2023-02-24T08:11:08Z
dc.date.available2023-02-24T08:11:08Z
dc.date.issued2022
dc.identifier.isbn978-1-6654-2160-7
dc.identifier.issn2157-8095
dc.identifier.urihttp://hdl.handle.net/11693/111676
dc.descriptionConference Name: 2022 IEEE International Symposium on Information Theory (ISIT)en_US
dc.descriptionDate of Conference: 26 June 2022 - 01 July 2022en_US
dc.description.abstractWe study the problem of unsourced random access (URA) over Rayleigh block-fading channels with a receiver equipped with multiple antennas. We employ multiple stages of orthogonal pilots, each of which is randomly picked from a codebook. In the proposed scheme, each user encodes its message using a polar code and appends it to the selected pilot sequences to construct its transmitted signal. Accordingly, the received signal consists of superposition of the users’ signals each composed of multiple orthogonal pilot parts and a polar coded part. We use an iterative approach for decoding the transmitted messages along with a suitable successive interference cancellation scheme. Performance of the proposed scheme is illustrated via extensive set of simulation results which show that it significantly outperforms the existing approaches for URA over multiple-input multiple-output fading channels.en_US
dc.language.isoEnglishen_US
dc.source.title2022 IEEE International Symposium on Information Theory (ISIT)en_US
dc.relation.isversionofhttps://dx.doi.org/10.1109/ISIT50566.2022.9834508en_US
dc.titleUnsourced random access with a massive MIMO receiver using multiple stages of orthogonal pilotsen_US
dc.typeConference Paperen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.citation.spage2880en_US
dc.citation.epage2885en_US
dc.identifier.doi10.1109/ISIT50566.2022.9834508en_US
dc.publisherIEEEen_US
dc.contributor.bilkentauthorAhmadi, Mohammad Javad
dc.contributor.bilkentauthorDuman, Tolga M.
dc.identifier.eisbn978-1-6654-2159-1
dc.identifier.eissn2157-8117
buir.contributor.orcidAhmadi, Mohammad Javad|0000-0002-7201-7800en_US
buir.contributor.orcidDuman, Tolga M.|0000-0002-5187-8660en_US


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record