{"_buckets": {"deposit": "00d21251-e3b9-4b85-8fba-63cfb5738ee1"}, "_deposit": {"id": "7603", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "7603"}, "status": "published"}, "_oai": {"id": "oai:kitami-it.repo.nii.ac.jp:00007603", "sets": ["10"]}, "author_link": ["38884", "44846", "44847", "44849", "38888", "44848", "38890", "38891", "38892", "38893", "38894", "38895"], "item_5_alternative_title_18": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "FDTD Propagation Analysis of 700MHz Band at Intersection of Residential Area Consisting of Concrete Block Walls"}]}, "item_5_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2011-11", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "102", "bibliographicPageEnd": "28", "bibliographicPageStart": "23", "bibliographic_titles": [{"bibliographic_title": "\u96fb\u6c17\u5b66\u4f1a\u7814\u7a76\u4f1a\u8cc7\u6599. EMT, \u96fb\u78c1\u754c\u7406\u8ad6\u7814\u7a76\u4f1a"}]}]}, "item_5_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Car crushes at intersections of residential area are one of the serious problems. Therefore, the inter-vehicle communication system using 700MHz band to prevent car crush at an intersection has been proposed. It is important to know propagation characteristics at intersections. In this paper, propagation analyses of 700MHz band at an intersection of residential area consisting of concrete block walls are studied using the FDTD method. Propagation characteristics for various locations of wave source and wall structures were investigated. These characteristics considering uniform concrete and concrete block walls are compared. 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