{
  "schema_version": 1,
  "created_at": "2026-07-24T09:26:46+09:00",
  "run_id": "2026-07-24-092646",
  "topic_slug": "rakuten-wifi-pocket-2c-two-client-fairness",
  "candidate": {
    "primary_keyword": "楽天モバイル ポケットwifi",
    "search_volume": 9900,
    "seo_difficulty": 50,
    "secondary_keyword": "楽天モバイル モバイルルーター",
    "secondary_search_volume": 1000,
    "secondary_seo_difficulty": 43,
    "independent_multi_client_query_found": false
  },
  "publication_decision_before_measurement": {
    "type": "integrated",
    "target_post_id": 120046,
    "target_slug": "rakuten-wifi-pocket-2c-two-day-speed-review",
    "target_url": "https://gadgetzamurai.jp/2026/07/22/rakuten-wifi-pocket-2c-two-day-speed-review/",
    "reason": "複数端末専用の独立検索語はなく、既存主要記事が複数実機を未検証と明記しているため、新規URLではなく同記事の固有H2とFAQへ統合する"
  },
  "reader_question": "Rakuten WiFi Pocket 2CでWindows PCとSH-41Aを同時に通信させると、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",
  "hypothesis": "2台同時時の合計速度は単独時と同程度でも各端末へ分割され、PCとAndroidの端末別速度は単独時より低下する",
  "independent_variable": {
    "name": "active_client_condition",
    "levels": [
      "pc_only",
      "android_only",
      "pc_android_simultaneous"
    ],
    "operation": "実際に下り通信を行う物理Wi-Fiクライアント構成を1台から2台へ変更する"
  },
  "fixed_conditions": {
    "router": "Rakuten WiFi Pocket 2C",
    "firmware": "ZR03M_a5.2_U",
    "ssid": "Rakuten-073F",
    "wifi_band": "2.4GHz",
    "router_pc_android_positions": "実験中は位置と向きを変更しない",
    "power_state": "実験中は端末構成を維持する",
    "endpoint": "https://speed.cloudflare.com/__down",
    "direction": "download",
    "bytes_per_active_client_per_trial": 10000000,
    "curl_profile": "HTTPS・リダイレクト追跡・HTTP状態・転送量・所要時間を記録",
    "intentional_background_traffic": "なし",
    "rest_seconds_between_trials": 15
  },
  "device_roles": {
    "pc": "Windows 11 PC。pc_onlyと同時条件の下りクライアント",
    "android": "SHARP SH-41A、Android 12、SIM未挿入。WiFi Pocket 2Cへ接続したWi-Fiクライアントであり、楽天モバイルSIMスマートフォンではない",
    "router": "Rakuten WiFi Pocket 2C。PCとAndroidの共通アクセスポイント兼モバイル回線経路"
  },
  "baseline_evidence": {
    "pc_run_id": "2026-07-24-091200",
    "pc_quality_gate_pass": true,
    "android_run_id": "2026-07-24-091915",
    "android_quality_gate_pass": true
  },
  "load_and_order": {
    "repetitions_per_condition": 3,
    "planned_total_bytes": 120000000,
    "latin_square_blocks": [
      [
        "pc_only",
        "android_only",
        "pc_android_simultaneous"
      ],
      [
        "android_only",
        "pc_android_simultaneous",
        "pc_only"
      ],
      [
        "pc_android_simultaneous",
        "pc_only",
        "android_only"
      ]
    ],
    "simultaneous_start_order_by_block": [
      "pc_first",
      "android_first",
      "pc_first"
    ],
    "maximum_adopted_start_skew_ms": 500,
    "maximum_retries_per_planned_trial": 2,
    "exclusion_rule": "同時条件の開始ずれが500msを超えた区間、HTTP 200でない区間、指定バイト数を完走しない区間だけを理由付きで除外し、速度が遅い成功区間は除外しない"
  },
  "primary_metrics": [
    "PC単独・Android単独・同時時の端末別Mbps中央値と範囲",
    "同時時速度を各端末の単独中央値で割った速度維持率",
    "同時時の2端末合計Mbps",
    "単独速度で正規化したJain公平性指数",
    "HTTP 200・指定バイト完走率",
    "同時開始ずれ"
  ],
  "analysis_scope": "各条件3回のため推測統計は行わず、中央値、最小、最大、生データ、除外理由を示す",
  "nearest_existing_experiments": [
    {
      "name": "2026-07-22 PC 1台から4本同時ダウンロード",
      "difference": "既存は1台のPC内の4通信。今回は実際の物理Wi-Fiクライアント数を1台から2台へ操作し、端末別配分と公平性を測る"
    },
    {
      "name": "2026-07-23 Android単独の軽量基礎測定",
      "difference": "既存はAndroid単独。今回は同じ実験内でPC単独、Android単独、PC＋Android同時を交互測定する"
    }
  ],
  "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",
  "camera_requirement": {
    "same_run_new_photo_required": true,
    "same_run_new_video_required": true,
    "photo_exif_removed": true,
    "video_audio_and_metadata_removed": true,
    "visual_privacy_review_required": true,
    "featured_image_required": true
  },
  "privacy_exclusions": [
    "ADB serial",
    "IMEI",
    "phone number",
    "BSSID",
    "MAC address",
    "location",
    "personal files",
    "installed-app inventory"
  ]
}