{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:DXG3ZMGISTK4LCFJYOINLBZ57G","short_pith_number":"pith:DXG3ZMGI","schema_version":"1.0","canonical_sha256":"1dcdbcb0c894d5c588a9c390d5873df994611a46313babb35dd826bf3002ee80","source":{"kind":"arxiv","id":"1712.06794","version":1},"attestation_state":"computed","paper":{"title":"Downlink macro-diversity precoding-aided spatial modulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Manar Mohaisen, Vitalii Pruks","submitted_at":"2017-12-19T06:09:28Z","abstract_excerpt":"In this paper, a downlink macro-diversity precodingaided spatial modulation (MD-PSM) scheme is proposed, in which two base stations (BSs) communicate simultaneously with a single mobile station (MS). As such, the proposed scheme achieved twice the spectral efficiency of the conventional PSM scheme. To render the demodulation possible, the two signal constellation sets used at the two BSs should be disjoint. Also, since the two BSs use the same spatial dimension, i.e., indices of receive antennas, the Minkowski sum of the two constellation sets should include unrepeated symbols. This is achieve"},"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":"1712.06794","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-12-19T06:09:28Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"90a08434f9c8b4f90222e547249290c895aad3d2f0fbf1bb97d0e76720733ceb","abstract_canon_sha256":"2a49cb4a11617575f051729d73b61f87dde9532bc3f6765ab3a22cee931683f2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:40.433188Z","signature_b64":"daSIwxymx8fYIwoj4Aarzs0Q1PoW2yJ/xnbk1OXD70iW7NrmOihVS2JNffsPKB1YW5jz/QjqLiKOqKHVNxd8Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1dcdbcb0c894d5c588a9c390d5873df994611a46313babb35dd826bf3002ee80","last_reissued_at":"2026-05-18T00:27:40.432623Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:40.432623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Downlink macro-diversity precoding-aided spatial modulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Manar Mohaisen, Vitalii Pruks","submitted_at":"2017-12-19T06:09:28Z","abstract_excerpt":"In this paper, a downlink macro-diversity precodingaided spatial modulation (MD-PSM) scheme is proposed, in which two base stations (BSs) communicate simultaneously with a single mobile station (MS). As such, the proposed scheme achieved twice the spectral efficiency of the conventional PSM scheme. To render the demodulation possible, the two signal constellation sets used at the two BSs should be disjoint. Also, since the two BSs use the same spatial dimension, i.e., indices of receive antennas, the Minkowski sum of the two constellation sets should include unrepeated symbols. This is achieve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.06794","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":""},"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":"1712.06794","created_at":"2026-05-18T00:27:40.432709+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.06794v1","created_at":"2026-05-18T00:27:40.432709+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.06794","created_at":"2026-05-18T00:27:40.432709+00:00"},{"alias_kind":"pith_short_12","alias_value":"DXG3ZMGISTK4","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"DXG3ZMGISTK4LCFJ","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"DXG3ZMGI","created_at":"2026-05-18T12:31:12.930513+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/DXG3ZMGISTK4LCFJYOINLBZ57G","json":"https://pith.science/pith/DXG3ZMGISTK4LCFJYOINLBZ57G.json","graph_json":"https://pith.science/api/pith-number/DXG3ZMGISTK4LCFJYOINLBZ57G/graph.json","events_json":"https://pith.science/api/pith-number/DXG3ZMGISTK4LCFJYOINLBZ57G/events.json","paper":"https://pith.science/paper/DXG3ZMGI"},"agent_actions":{"view_html":"https://pith.science/pith/DXG3ZMGISTK4LCFJYOINLBZ57G","download_json":"https://pith.science/pith/DXG3ZMGISTK4LCFJYOINLBZ57G.json","view_paper":"https://pith.science/paper/DXG3ZMGI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.06794&json=true","fetch_graph":"https://pith.science/api/pith-number/DXG3ZMGISTK4LCFJYOINLBZ57G/graph.json","fetch_events":"https://pith.science/api/pith-number/DXG3ZMGISTK4LCFJYOINLBZ57G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DXG3ZMGISTK4LCFJYOINLBZ57G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DXG3ZMGISTK4LCFJYOINLBZ57G/action/storage_attestation","attest_author":"https://pith.science/pith/DXG3ZMGISTK4LCFJYOINLBZ57G/action/author_attestation","sign_citation":"https://pith.science/pith/DXG3ZMGISTK4LCFJYOINLBZ57G/action/citation_signature","submit_replication":"https://pith.science/pith/DXG3ZMGISTK4LCFJYOINLBZ57G/action/replication_record"}},"created_at":"2026-05-18T00:27:40.432709+00:00","updated_at":"2026-05-18T00:27:40.432709+00:00"}