{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:B6TM7UMMTHWWYMS5SR2CWYGY7E","short_pith_number":"pith:B6TM7UMM","schema_version":"1.0","canonical_sha256":"0fa6cfd18c99ed6c325d94742b60d8f90878e5837f01524d5cdc3a42bc24ce65","source":{"kind":"arxiv","id":"2203.03813","version":1},"attestation_state":"computed","paper":{"title":"Dense Urban Outdoor-Indoor Coverage from 3.5 to 28 GHz","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Dipankar Shakya, Dmitry Chizhik, Jinfeng Du, Reinaldo A. Valenzuela, Theodore S. Rappaport","submitted_at":"2022-03-08T02:22:49Z","abstract_excerpt":"In the US, people spend 87% of their time indoors and have an average of four connected devices per person (in 2020). As such, providing indoor coverage has always been a challenge but becomes even more difficult as carrier frequencies increase to mmWave and beyond. This paper investigates the outdoor and outdoor-indoor coverage of an urban network comparing globally standardized building penetration models and implementing models to corresponding scenarios. The glass used in windows of buildings in the grid plays a pivotal role in determining the outdoor-to-indoor propagation loss. For 28 GHz"},"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":"2203.03813","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-03-08T02:22:49Z","cross_cats_sorted":[],"title_canon_sha256":"e90c2f1b46f4d57003b6f63881999bbe77ed2ffe83b7d87bc06d155d740d30f6","abstract_canon_sha256":"eafb22148df1059e8462c0a66eb44464bd1a5862178d463e0a8625c65cc05659"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:02:43.792273Z","signature_b64":"9DNRFJIJJVWKF9AMNbi4uVg4kZnd+C9JiVg4pQd0jqB4zjJ+2j/PNgFl1wP4YslfBZm7+zzOy36Ev4GB8rUrDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fa6cfd18c99ed6c325d94742b60d8f90878e5837f01524d5cdc3a42bc24ce65","last_reissued_at":"2026-07-05T04:02:43.791826Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:02:43.791826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dense Urban Outdoor-Indoor Coverage from 3.5 to 28 GHz","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Dipankar Shakya, Dmitry Chizhik, Jinfeng Du, Reinaldo A. Valenzuela, Theodore S. Rappaport","submitted_at":"2022-03-08T02:22:49Z","abstract_excerpt":"In the US, people spend 87% of their time indoors and have an average of four connected devices per person (in 2020). As such, providing indoor coverage has always been a challenge but becomes even more difficult as carrier frequencies increase to mmWave and beyond. This paper investigates the outdoor and outdoor-indoor coverage of an urban network comparing globally standardized building penetration models and implementing models to corresponding scenarios. The glass used in windows of buildings in the grid plays a pivotal role in determining the outdoor-to-indoor propagation loss. For 28 GHz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.03813","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/2203.03813/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":"2203.03813","created_at":"2026-07-05T04:02:43.791959+00:00"},{"alias_kind":"arxiv_version","alias_value":"2203.03813v1","created_at":"2026-07-05T04:02:43.791959+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.03813","created_at":"2026-07-05T04:02:43.791959+00:00"},{"alias_kind":"pith_short_12","alias_value":"B6TM7UMMTHWW","created_at":"2026-07-05T04:02:43.791959+00:00"},{"alias_kind":"pith_short_16","alias_value":"B6TM7UMMTHWWYMS5","created_at":"2026-07-05T04:02:43.791959+00:00"},{"alias_kind":"pith_short_8","alias_value":"B6TM7UMM","created_at":"2026-07-05T04:02:43.791959+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2607.01368","citing_title":"Field-Deployable RF Capture System for Indoor, Outdoor, and Foliage Environments","ref_index":7,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E","json":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E.json","graph_json":"https://pith.science/api/pith-number/B6TM7UMMTHWWYMS5SR2CWYGY7E/graph.json","events_json":"https://pith.science/api/pith-number/B6TM7UMMTHWWYMS5SR2CWYGY7E/events.json","paper":"https://pith.science/paper/B6TM7UMM"},"agent_actions":{"view_html":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E","download_json":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E.json","view_paper":"https://pith.science/paper/B6TM7UMM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2203.03813&json=true","fetch_graph":"https://pith.science/api/pith-number/B6TM7UMMTHWWYMS5SR2CWYGY7E/graph.json","fetch_events":"https://pith.science/api/pith-number/B6TM7UMMTHWWYMS5SR2CWYGY7E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E/action/storage_attestation","attest_author":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E/action/author_attestation","sign_citation":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E/action/citation_signature","submit_replication":"https://pith.science/pith/B6TM7UMMTHWWYMS5SR2CWYGY7E/action/replication_record"}},"created_at":"2026-07-05T04:02:43.791959+00:00","updated_at":"2026-07-05T04:02:43.791959+00:00"}