{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:MV3GSP7KDXKFWOFLV7ESLIYKRG","short_pith_number":"pith:MV3GSP7K","schema_version":"1.0","canonical_sha256":"6576693fea1dd45b38abafc925a30a8985e7ff5539177410a31434beb02f1a66","source":{"kind":"arxiv","id":"1808.06223","version":1},"attestation_state":"computed","paper":{"title":"Indoor Coverage Enhancement for mmWave Systems with Passive Reflectors: Measurements and Ray Tracing Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"eess.SP","authors_text":"Ismail Guvenc, Martins Ezuma, Ozgur Ozdemir, Wahab Khawaja, Yavuz Yapici, Yuichi Kakishimay","submitted_at":"2018-08-19T16:23:44Z","abstract_excerpt":"The future 5G networks are expected to use millimeter wave (mmWave) frequency bands, mainly due to the availability of large unused spectrum. However, due to high path loss at mmWave frequencies, coverage of mmWave signals can get severely reduced, especially for non-line-of-sight (NLOS) scenarios. In this work, we study the use of passive metallic reflectors of different shapes/sizes to improve mmWave signal coverage for indoor NLOS scenarios. Software defined radio based mmWave transceiver platforms operating at 28 GHz are used for indoor measurements. Subsequently, ray tracing (RT) simulati"},"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":"1808.06223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-08-19T16:23:44Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"873bbd6312d2d9f3c4fa09d8908a48312897850543572ba4775d6e10c3541ba6","abstract_canon_sha256":"a6f1716a6b7e4d750a2a299a9c9d321091bf68bf9abcf68f344771698cda9b8e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:45.679029Z","signature_b64":"E7e8du83KUMRDMxEhNU+4YMTLpKBlZSJG69esqW8ky24TEC+cGGqxGgFooeigPnH69PuKFt4XaDCJOMU1R/VBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6576693fea1dd45b38abafc925a30a8985e7ff5539177410a31434beb02f1a66","last_reissued_at":"2026-05-18T00:07:45.678427Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:45.678427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Indoor Coverage Enhancement for mmWave Systems with Passive Reflectors: Measurements and Ray Tracing Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"eess.SP","authors_text":"Ismail Guvenc, Martins Ezuma, Ozgur Ozdemir, Wahab Khawaja, Yavuz Yapici, Yuichi Kakishimay","submitted_at":"2018-08-19T16:23:44Z","abstract_excerpt":"The future 5G networks are expected to use millimeter wave (mmWave) frequency bands, mainly due to the availability of large unused spectrum. However, due to high path loss at mmWave frequencies, coverage of mmWave signals can get severely reduced, especially for non-line-of-sight (NLOS) scenarios. In this work, we study the use of passive metallic reflectors of different shapes/sizes to improve mmWave signal coverage for indoor NLOS scenarios. Software defined radio based mmWave transceiver platforms operating at 28 GHz are used for indoor measurements. Subsequently, ray tracing (RT) simulati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.06223","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":"1808.06223","created_at":"2026-05-18T00:07:45.678524+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.06223v1","created_at":"2026-05-18T00:07:45.678524+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.06223","created_at":"2026-05-18T00:07:45.678524+00:00"},{"alias_kind":"pith_short_12","alias_value":"MV3GSP7KDXKF","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"MV3GSP7KDXKFWOFL","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"MV3GSP7K","created_at":"2026-05-18T12:32:40.477152+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1907.02603","citing_title":"Ray Tracing Analysis for UAV-assisted Integrated Access and Backhaul Millimeter Wave Networks","ref_index":17,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG","json":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG.json","graph_json":"https://pith.science/api/pith-number/MV3GSP7KDXKFWOFLV7ESLIYKRG/graph.json","events_json":"https://pith.science/api/pith-number/MV3GSP7KDXKFWOFLV7ESLIYKRG/events.json","paper":"https://pith.science/paper/MV3GSP7K"},"agent_actions":{"view_html":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG","download_json":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG.json","view_paper":"https://pith.science/paper/MV3GSP7K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.06223&json=true","fetch_graph":"https://pith.science/api/pith-number/MV3GSP7KDXKFWOFLV7ESLIYKRG/graph.json","fetch_events":"https://pith.science/api/pith-number/MV3GSP7KDXKFWOFLV7ESLIYKRG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG/action/storage_attestation","attest_author":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG/action/author_attestation","sign_citation":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG/action/citation_signature","submit_replication":"https://pith.science/pith/MV3GSP7KDXKFWOFLV7ESLIYKRG/action/replication_record"}},"created_at":"2026-05-18T00:07:45.678524+00:00","updated_at":"2026-05-18T00:07:45.678524+00:00"}