2022-03-10 16:44:35bundler

對於手機用戶,Wi-Fi 6這些是你要知道的!

Wi-fi 6應該帶來什麼改進?

在詢問了通信行業的專家之後,我簡要總結了Wihkbn 5g-Fi6應該帶來的好處:

首先,速度有了提高。 由於Wi-Fi 6採用1024-QAM調製和編碼方案,與之前的256-QAM相比,它有了很大的改進,無線網路的最大連接速率提高到9.6Gbps,即1.2GB/S,這是千兆寬頻的全速。 換句話說,除了啟用Wi-Fi 6的設備外,以前的設備都無法達到這種全速狀態。

其次,Wi-Fi6的優點也體現在高密度接入上,比以往的OFDMA技術(正交頻分多址)效率更高。為了方便你的理解,我認為這個改進可以這樣解釋:OFDM模型就像a,B,C,每個人都有一個特殊的汽車攜帶貨物從E城市F城市,因為它是一個特殊的車,所以,每個運輸,不是等待貨物滿,隨時航運只要貨物可用,大量的資源浪費;雖然OFDMA是不同的,A、B,C三個人可以分享一輛車,試著填補三個人和一輛車,開始航運,然而,同時出發的數量仍然不變,仍然之前的三輛車,所以,每次有更多的貨物交付,運輸效率已經大大提高。

最後,Wi-Fi 6的改進還在於對MU-MIMO技術(多用戶多輸入多輸出)的支持。 也許一些熟悉的朋友會說,以前的Wi-Fi 5也支持MU-MIMO技術,是的,但Wi-Fi 5支持的MU-MIMO技術只用於下行鏈路,此外,Wi-Fi 6的不同之處在於它可以同時支持上下MU-MIMO技術,並且允許路由器與設備通信的次數增加到8次, 提升本身就說明問題。

簡單來說,在 wi-fi 5之前,如果資訊傳輸被比作一條道路,那就像一條只有一個收費亭 wi-fi 5的高速公路,就像把收費亭的數量增加到四個,其中三個仍然只允許單向行駛; wi-fi 6是一條雙向的八車道高速公路,讓車輛以最好的方式通過。當然,效率已經大大提高了。

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