
Hamed M. Sanogo
Author at Communication Components Magazine
Consulting - Business Development & Strategies | Semiconductor
Articles
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Oct 22, 2024 |
eepower.com | Hamed M. Sanogo
This article is published by EEPower as part of an exclusive digital content partnership with Bodo’s Power Systems. AI requires a lot of computational power, especially when it is learning and inferring. This continues to push the boundaries of power delivery networks to new levels. These high-density workloads have become more sophisticated, with higher transient demands pushing every part of the power distribution network to perform at maximum capability.
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Nov 27, 2023 |
2cm.com.tw | Hamed M. Sanogo
商業建築和體育場館等現代環境常需要改善行動通訊網路覆蓋性能,以提供無縫連接體驗。然而,如今的大型商業建築、醫院和體育場館常常會採用厚鋼材、混凝土和節能玻璃牆面,這些材料容易阻礙行動通訊訊號傳輸,導致人員在其中無法獲得良好的手機訊號。換句話說,強化結構、有色窗戶以及其他建築材料會讓建築物遮罩射頻訊號[1]。 此外,高層建築可能會受到附近行動通訊基地台的高位準射頻干擾,這會進一步降低訊號品質。當狹小空間中的人員過多時,常會導致系統超載,這也是手機接收訊號不良的一個原因。這些因素共同導致了不理想的行動裝置接收效果。而分散式天線系統(DAS)解決方案可以在提供優質行動通訊服務和加速無線網路的未來發展中發揮關鍵作用。本文詳細介紹了DAS的整合解決方案,為在建築結構內部擴展行動通訊覆蓋範圍和容量提供不同角度的設計思路。 什麼是DAS?...
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Nov 27, 2023 |
2cm.com.tw | Hamed M. Sanogo
高整合零中頻採樣類比收發器 (承前文)ADRV9029為一款高整合度的零中頻採樣類比收發器,能夠合成和數位化寬頻訊號。透過編程,該元件可用於頻分雙工(FDD)和時分雙工(TDD)應用。該元件能夠提供DAS行動通訊基礎設施應用所需的性能,尤其是RAU。作為其數位前端模組的一部分,該元件具有數位預失真(DPD)自我調整引擎和削峰(CFR)引擎。如果DAS系統的低延遲要求非常嚴格,則可以旁路CFR。圖4為ADRV9029的功能框圖。 數位預失真功能 DPD功能或特性支援無線系統將其功率放大器(PA)驅動至更接近飽和的狀態(但不會使功率放大器飽和),進而在保持線性度的同時,實現更高效率的功率放大器。也就是說DPD功能透過擴展PA的線性工作區,使RAU實現更高的功放效率,而且仍然滿足發射訊號鏈的鄰道洩漏比(ACLR)要求。遠端DAS節點中的PA還有助於降低其整體功耗。ADRV9029的觀察接收路徑連接到DPD執行器和係數計算引擎,以協助系統的PA高效運行。...
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May 9, 2023 |
analog.com | Hamed M. Sanogo
by Hamed M. Sanogo Download PDF AbstractCommercial buildings and sports venues require quality cellular coverage, but these environments pose signal reception challenges. This article presents a comprehensive solution for distributed antenna systems (DAS), which are essential for extending cellular coverage and capacity within building structures.
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