{
  "schema_version": 1,
  "created_at": "2026-07-24T10:11:20+09:00",
  "plan_run_id": "2026-07-24-092646",
  "measurement_run_id": "2026-07-24-092646-rakuten-two-client-fairness",
  "question": "Rakuten WiFi Pocket 2CでWindows PCとSHARP SH-41Aを実際に同時通信させたとき、下り帯域は2台へどの程度公平に配分され、各端末の速度は単独時からどれだけ残るか。",
  "answer_scope": "制御した10MB下り転送の3反復だけを対象とし、Web閲覧の体感、4台以上、上り通信、長時間利用には一般化しない。",
  "experiment_signature": "rwfp2c|two-client-download-fairness|iv=active-clients:pc-only,android-only,pc+android|clients=windows-pc+sh41a-android12-wifi|endpoint=cloudflare-down|bytes=10000000-per-active-client|reps=3|order=latin-square|metrics=throughput-retention+aggregate-throughput+normalized-jain-fairness",
  "independent_variable": {
    "name": "active_client_condition",
    "levels": [
      "pc_only",
      "android_only",
      "pc_android_simultaneous"
    ]
  },
  "fixed_conditions": {
    "router": "Rakuten WiFi Pocket 2C",
    "firmware": "ZR03M_a5.2_U",
    "wifi_band": "2.4GHz",
    "endpoint": "https://speed.cloudflare.com/__down",
    "direction": "download",
    "bytes_per_active_client_per_trial": 10000000,
    "repetitions_per_condition": 3,
    "rest_seconds": 15,
    "order": "three-sequence Latin square",
    "maximum_adopted_start_skew_ms": 500,
    "start_skew_definition": "Windows側で記録したcurl.exeとadb.exeのプロセスStartTime差。パケット到達時刻の差ではない。"
  },
  "device_configuration": {
    "pc": "Windows 11 PC; Wi-Fi client",
    "android": "SHARP SH-41A; Android 12; SIM absent; Rakuten WiFi Pocket 2Cへ接続したWi-Fiクライアントとしてのみ使用",
    "pc_baseline_run_id": "2026-07-24-091200",
    "android_baseline_run_id": "2026-07-24-091915"
  },
  "measurement": {
    "started_at": "2026-07-24T10:05:38.2637724+09:00",
    "ended_at": "2026-07-24T10:08:37.4482884+09:00",
    "planned_trials": 9,
    "adopted_trials": 9,
    "excluded_trials": 0,
    "client_transfer_rows": 12,
    "adopted_payload_bytes": 120000000,
    "http_200_and_exact_bytes_pass": true,
    "simultaneous_start_skew_ms": [
      12.039,
      6.421,
      13.876
    ]
  },
  "results": {
    "throughput_mbps": {
      "pc_solo": {
        "median": 26.533,
        "minimum": 24.916,
        "maximum": 27.508
      },
      "android_solo": {
        "median": 24.989,
        "minimum": 19.752,
        "maximum": 27.391
      },
      "pc_simultaneous": {
        "median": 13.872,
        "minimum": 13.509,
        "maximum": 15.872
      },
      "android_simultaneous": {
        "median": 17.106,
        "minimum": 16.286,
        "maximum": 19.235
      },
      "simultaneous_aggregate": {
        "definition": "各同時試行の合計20,000,000バイトを、先に始まったプロセスから後に終わったプロセスまでの所要時間で割った総速度",
        "median": 27.372,
        "minimum": 26.663,
        "maximum": 31.286
      }
    },
    "retention_ratio_against_each_device_solo_median": {
      "pc": {
        "median": 0.523,
        "minimum": 0.509,
        "maximum": 0.598
      },
      "android": {
        "median": 0.684,
        "minimum": 0.652,
        "maximum": 0.77
      }
    },
    "normalized_jain_fairness": {
      "definition": "各端末の同時速度を、その端末自身の単独中央値で正規化して算出",
      "median": 0.988,
      "minimum": 0.96,
      "maximum": 0.996
    },
    "primary_conclusion": "2台同時時の中央値はPC 13.872Mbps、Android 17.106Mbps、合計27.372Mbpsだった。単独中央値に対する維持率はPC 52.3%、Android 68.4%で、正規化Jain公平性の中央値は0.988だった。"
  },
  "quality_gate": {
    "pc_baseline_pass": true,
    "android_baseline_pass": true,
    "condition_counts_pass": true,
    "http_200_and_exact_bytes_pass": true,
    "simultaneous_start_skew_pass": true,
    "statistics_available": true,
    "measurement_quality_gate_pass": true,
    "media_quality_gate_pass": true,
    "privacy_gate_pass": true
  },
  "camera": {
    "camera_run_id": "2026-07-24-093459",
    "topic_slug": "rakuten-wifi-pocket-2c-two-client-fairness",
    "public_photo": "../2026-07-24-093459-rakuten-wifi-pocket-2c-two-client-fairness-camera/camera-photo-public-1600.jpg",
    "public_video": "../2026-07-24-093459-rakuten-wifi-pocket-2c-two-client-fairness-camera/camera-broll-public-muted.mp4",
    "video_poster": "../2026-07-24-093459-rakuten-wifi-pocket-2c-two-client-fairness-camera/camera-broll-poster.jpg",
    "qa_preview": "../2026-07-24-093459-rakuten-wifi-pocket-2c-two-client-fairness-camera/qa-camera-preview.png",
    "visual_review": "対象機器と実験配置を確認。人物、書類、通知、アカウント、SSID、パスワード、端末識別子、位置情報の写り込みなし。",
    "photo_exif_removed": true,
    "video_audio_removed": true,
    "video_capture_metadata_removed": true,
    "video_duration_seconds": 6.332
  },
  "excluded_harness_data": {
    "publication_use": false,
    "initial_setup_file": "excluded-setup-attempt.json",
    "later_runs_file": "excluded-harness-runs.json",
    "total_excluded_payload_bytes": 260000008,
    "reason": "測定ハーネスの終了状態取得または集計処理が完了しなかったランであり、速度結論には一切使用しない。"
  },
  "nearest_existing_experiment": {
    "name": "Windows PC 1台からの4本同時ダウンロード",
    "difference": "既存実験は1台のPC内で通信を4本並列化した。今回の独立変数は実際に通信する物理Wi-Fiクライアント構成であり、1台からPC＋SH-41Aの2台へ変え、端末別配分、単独比維持率、2台合計、正規化公平性を測定した。"
  },
  "duplication_decision": {
    "processing_type": "integrated",
    "new_url_created": false,
    "target_post_id": 120046,
    "target_url": "https://gadgetzamurai.jp/2026/07/22/rakuten-wifi-pocket-2c-two-day-speed-review/",
    "reason": "複数実機専用の独立検索語は確認できず、既存主要記事が複数実機を未検証と明記しているため、その未検証部分へ固有結果だけを統合する。"
  },
  "evidence": {
    "plan": "experiment-plan.json",
    "result": "experiment-result.json",
    "summary": "two-client-fairness-summary.json",
    "raw": "two-client-fairness-raw.csv",
    "environment": "two-client-fairness-environment.json",
    "events": "two-client-fairness-events.log"
  },
  "privacy": {
    "adb_serial_retrieved_or_saved": false,
    "imei_retrieved_or_saved": false,
    "phone_number_retrieved_or_saved": false,
    "bssid_retrieved_or_saved": false,
    "mac_retrieved_or_saved": false,
    "location_retrieved_or_saved": false,
    "personal_files_retrieved_or_saved": false,
    "installed_app_inventory_retrieved_or_saved": false
  }
}