DAS 分散式天線系統

高效能主動式 DAS:打造無縫 5G 室內覆蓋的解決方案

主動式分散式天線系統(Active DAS)可在最低成本與零營運中斷的前提下,將傳統被動式網路升級為高效能 5G 室內通訊環境,是營運商將既有的硬體基礎建設迅速切換到新一代網路規格的解決方案。

5G 在提供高速傳輸的同時,其訊號衰減速度遠高於 4G,例如在穿透混凝土牆面時最高可能損耗 25dB。傳統被動式 DAS在 3.5GHz 頻段可能因纜線造成損耗,加上無法支援 4×4 MIMO 傳輸架構,較難以滿足 5G 時代需求。Active DAS 解決方案 解決此痛點,提供更貼近實際應用、佈建也更快速的室內網路升級方式。

成本效益最佳化-利用既有基礎設施: 

系統可直接運用建築內既有同軸電纜傳輸寬頻訊號,相較傳統重新鋪設光纖方案,最高可節省 50% 建置成本

快速完成 5G MIMO 升級: 

透過 MIMO over Coaxial 技術,可輕鬆將 3G/4G 系統升級至 5G。

簡化安裝與高擴充性:

  • 更高覆蓋效率: 單一主動式天線節點可覆蓋相當於四組傳統被動式天線的區域。
  • 集中供電管理: 透過既有同軸線路直接供電,無需額外於天花板內建置新的供電線路。

電信級彈性整合能力: 

採用開放訊號源(Open Signal Source)架構設計,可無縫整合各類基地台、小型基地台(Small Cell)與 O-RAN 系統,避免室內訊號存在死角。

零營運干擾部署: 

精簡化施工流程可大幅降低對日常營運的影響,特別適用於醫院、緊急應變中心、關鍵任務設施等場域。

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