{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:STGT3QOL2XVBBASNDW3LAKRNJD","short_pith_number":"pith:STGT3QOL","schema_version":"1.0","canonical_sha256":"94cd3dc1cbd5ea10824d1db6b02a2d48ff5a77f129e8ba35cd22006f24cff23b","source":{"kind":"arxiv","id":"2111.01917","version":1},"attestation_state":"computed","paper":{"title":"Robust Ambient Backscatter Communications with Polarization Reconfigurable Tags","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Abdelwaheb Ourir, Dinh-Thuy Phan-Huy, Julien de Rosny, Marco Di Renzo, Romain Fara","submitted_at":"2021-11-02T22:09:40Z","abstract_excerpt":"Ambient backscatter communication system is an emerging and promising low-energy technology for Internet of Things. In such system, a device named tag, sends a binary message to a reader by backscattering a radio frequency signal generated by an ambient source. Such tag can operate without battery and without generating additional wave. However, the tag-to-reader link suffers from the source-to-reader direct interference. In this paper, for the first time, we propose to exploit a \"polarization reconfigurable\" antenna to improve robustness of the tag-to-reader link against the source-to-reader "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2111.01917","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2021-11-02T22:09:40Z","cross_cats_sorted":[],"title_canon_sha256":"7cbed590dc359c8bf6058fe16eb187d29e99d2af3a3c3883595d762d94118b1f","abstract_canon_sha256":"c1b6cdd0684c4d382f79c6dfbd8428189d76d8607353f75c5dc0498cad8ff2bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:28:44.164445Z","signature_b64":"OWou9JB6tA/BVJb0JTNkotPGqVFJ3jRbMFqOwgIB+yQccDPa5aKjcsUNW0d6CM9BkIqmbiyJSF6wi+/1XhSrCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94cd3dc1cbd5ea10824d1db6b02a2d48ff5a77f129e8ba35cd22006f24cff23b","last_reissued_at":"2026-07-05T03:28:44.164037Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:28:44.164037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Robust Ambient Backscatter Communications with Polarization Reconfigurable Tags","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Abdelwaheb Ourir, Dinh-Thuy Phan-Huy, Julien de Rosny, Marco Di Renzo, Romain Fara","submitted_at":"2021-11-02T22:09:40Z","abstract_excerpt":"Ambient backscatter communication system is an emerging and promising low-energy technology for Internet of Things. In such system, a device named tag, sends a binary message to a reader by backscattering a radio frequency signal generated by an ambient source. Such tag can operate without battery and without generating additional wave. However, the tag-to-reader link suffers from the source-to-reader direct interference. In this paper, for the first time, we propose to exploit a \"polarization reconfigurable\" antenna to improve robustness of the tag-to-reader link against the source-to-reader "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.01917","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.01917/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2111.01917","created_at":"2026-07-05T03:28:44.164098+00:00"},{"alias_kind":"arxiv_version","alias_value":"2111.01917v1","created_at":"2026-07-05T03:28:44.164098+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.01917","created_at":"2026-07-05T03:28:44.164098+00:00"},{"alias_kind":"pith_short_12","alias_value":"STGT3QOL2XVB","created_at":"2026-07-05T03:28:44.164098+00:00"},{"alias_kind":"pith_short_16","alias_value":"STGT3QOL2XVBBASN","created_at":"2026-07-05T03:28:44.164098+00:00"},{"alias_kind":"pith_short_8","alias_value":"STGT3QOL","created_at":"2026-07-05T03:28:44.164098+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD","json":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD.json","graph_json":"https://pith.science/api/pith-number/STGT3QOL2XVBBASNDW3LAKRNJD/graph.json","events_json":"https://pith.science/api/pith-number/STGT3QOL2XVBBASNDW3LAKRNJD/events.json","paper":"https://pith.science/paper/STGT3QOL"},"agent_actions":{"view_html":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD","download_json":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD.json","view_paper":"https://pith.science/paper/STGT3QOL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2111.01917&json=true","fetch_graph":"https://pith.science/api/pith-number/STGT3QOL2XVBBASNDW3LAKRNJD/graph.json","fetch_events":"https://pith.science/api/pith-number/STGT3QOL2XVBBASNDW3LAKRNJD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD/action/storage_attestation","attest_author":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD/action/author_attestation","sign_citation":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD/action/citation_signature","submit_replication":"https://pith.science/pith/STGT3QOL2XVBBASNDW3LAKRNJD/action/replication_record"}},"created_at":"2026-07-05T03:28:44.164098+00:00","updated_at":"2026-07-05T03:28:44.164098+00:00"}