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	<title>高頻寬 &#8211; 富躍科技網路監控資訊整合</title>
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	<title>高頻寬 &#8211; 富躍科技網路監控資訊整合</title>
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		<title>遠距離 高頻寬 無線網路 應用於村鄰里雲端 監視系統</title>
		<link>http://www.yccwork.com/1209/1209</link>
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				<pubDate>Sun, 29 Nov 2015 05:56:58 +0000</pubDate>
		<dc:creator><![CDATA[富躍科技]]></dc:creator>
				<category><![CDATA[最新消息]]></category>
		<category><![CDATA[無線網路]]></category>
		<category><![CDATA[監視系統]]></category>
		<category><![CDATA[富躍科技]]></category>
		<category><![CDATA[遠距離]]></category>
		<category><![CDATA[雲端]]></category>
		<category><![CDATA[雲端監視]]></category>
		<category><![CDATA[頻譜]]></category>
		<category><![CDATA[高頻寬]]></category>

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				<description><![CDATA[<p>&#160; &#160; &#160; &#160; &#160; &#160; 遠距離 高頻寬 無線網路 應用於村鄰里雲端 監視系統 應用案例說明： &#160; &#160; 以往村鄰里，監視系統，都是使用有電線電纜及同軸纜線配置 監視系統 缺點一堆。 1.初期配線建置經費甚高，配線、埋管、開挖、裝設備，動輒近百萬元。 2.電線桿上除了電線、第四台、又多加了 監視系統。 3.線路會因為颱風及樹木的摧殘，減少線路耐久性。 &#160; &#160; 4.斷線後除了安全的疑慮外，更直接衝擊的是</p>
<p><a class="excerpt-more blog-excerpt" href="http://www.yccwork.com/1209/1209">展開閱讀...</a></p>
<p>這篇文章 <a rel="nofollow" href="http://www.yccwork.com/1209/1209">遠距離 高頻寬 無線網路 應用於村鄰里雲端 監視系統</a> 最早出現於 <a rel="nofollow" href="http://www.yccwork.com">富躍科技網路監控資訊整合</a>。</p>
]]></description>
								<content:encoded><![CDATA[<h1></h1>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<h2>遠距離 高頻寬 無線網路 應用於村鄰里雲端 監視系統</h2>
<h2>應用案例說明：</h2>
<p>&nbsp;</p>
<div id="attachment_1224" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-鄰里道路-監視系統.png"><img aria-describedby="caption-attachment-1224" class="wp-image-1224 size-large" src="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-鄰里道路-監視系統-1024x576.png" alt="遠距離 高頻寬 無線網路 監視系統 - 鄰里道路 監視系統" width="640" height="360" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-鄰里道路-監視系統-1024x576.png 1024w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-鄰里道路-監視系統-300x169.png 300w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-1224" class="wp-caption-text">遠距離 高頻寬 無線網路 監視系統 &#8211; 鄰里道路 監視系統</p></div>
<p>&nbsp;</p>
<p>以往村鄰里，監視系統，都是使用有電線電纜及同軸纜線配置 監視系統 缺點一堆。</p>
<p>1.初期配線建置經費甚高，配線、埋管、開挖、裝設備，動輒近百萬元。</p>
<p>2.電線桿上除了電線、第四台、又多加了 監視系統。</p>
<p>3.線路會因為颱風及樹木的摧殘，減少線路耐久性。</p>
<p>&nbsp;</p>
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<p>&nbsp;</p>
<p>4.斷線後除了安全的疑慮外，更直接衝擊的是復原的維修費用，許多村鄰里並不會有直接的專款可以使用。</p>
<p>5.需要安裝攝影機的位置如果太遠，傳送的監視訊號必須加裝強波器，影像也並不完全清晰。</p>
<p>6.即便同軸電纜能達到安裝位置，但同軸能呈現的 監視系統 畫質，畢竟有限。</p>

<a href='http://www.yccwork.com/1209/1209/%e6%88%b6%e5%a4%96%e5%9e%8b%e9%9b%bb%e7%ba%9c%e7%b7%9a-%e6%96%b7%e8%a3%82'><img width="150" height="150" src="http://www.yccwork.com/wp-content/uploads/2015/11/戶外型電纜線-斷裂-150x150.jpg" class="attachment-thumbnail size-thumbnail" alt="戶外型電纜線-斷裂" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/戶外型電纜線-斷裂-150x150.jpg 150w, http://www.yccwork.com/wp-content/uploads/2015/11/戶外型電纜線-斷裂-90x90.jpg 90w, http://www.yccwork.com/wp-content/uploads/2015/11/戶外型電纜線-斷裂-300x300.jpg 300w" sizes="(max-width: 150px) 100vw, 150px" /></a>
<a href='http://www.yccwork.com/1209/1209/%e6%88%b6%e5%a4%96%e5%9e%8b%e9%9b%bb%e7%ba%9c%e7%b7%9a-%e7%b6%ad%e4%bf%ae%e4%b8%8d%e6%98%93'><img width="150" height="150" src="http://www.yccwork.com/wp-content/uploads/2015/11/戶外型電纜線-維修不易-150x150.jpg" class="attachment-thumbnail size-thumbnail" alt="戶外型電纜線-維修不易" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/戶外型電纜線-維修不易-150x150.jpg 150w, http://www.yccwork.com/wp-content/uploads/2015/11/戶外型電纜線-維修不易-90x90.jpg 90w, http://www.yccwork.com/wp-content/uploads/2015/11/戶外型電纜線-維修不易-300x300.jpg 300w" sizes="(max-width: 150px) 100vw, 150px" /></a>

<p>建議採用：遠距離 高頻寬 無線網路 監視系統，將修正上述缺點。以下將分析案例說明。</p>
<p>&nbsp;</p>
<p>[embedplusvideo height=&#8221;271&#8243; width=&#8221;430&#8243; editlink=&#8221;http://bit.ly/1Ir6YCd&#8221; standard=&#8221;http://www.youtube.com/v/lItCXVBVrkc?fs=1&#8243; vars=&#8221;ytid=lItCXVBVrkc&amp;width=430&amp;height=271&amp;start=&amp;stop=&amp;rs=w&amp;hd=0&amp;autoplay=1&amp;react=1&amp;chapters=&amp;notes=&#8221; id=&#8221;ep8397&#8243; /]</p>
<p>&nbsp;</p>
<h3>一、監視攝影機發展：</h3>
<p>監視系統 以早已提升至數位百萬畫素高解析影像甚至2K/4K錄影，每支攝影機的影像，都需要”高頻寬”網路傳遞。</p>
<p>1.數位攝影機至少130萬畫素起跳，基本錄影頻寬都需要到2Mbps，如果用到200萬畫素，至少都使用4Mbps，這只是單支攝影機影像的需求頻寬，加入聲音，更不止於此。</p>
<p>2.一套監控系統標準的連線模式，應該是攝影機以網路傳回NVR錄影主機，遠端監視 或 雲端監視，應該連至主機索取資料，而不是再對攝影機索取封包資料。</p>
<div id="attachment_1228" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2015/11/數位130萬畫素-監視系統-4Mbps.png"><img aria-describedby="caption-attachment-1228" class="wp-image-1228 size-large" src="http://www.yccwork.com/wp-content/uploads/2015/11/數位130萬畫素-監視系統-4Mbps-1024x576.png" alt="數位130萬畫素 監視系統-4Mbps" width="640" height="360" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/數位130萬畫素-監視系統-4Mbps-1024x576.png 1024w, http://www.yccwork.com/wp-content/uploads/2015/11/數位130萬畫素-監視系統-4Mbps-300x169.png 300w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-1228" class="wp-caption-text">數位130萬畫素 監視系統-4Mbps</p></div>
<p>&nbsp;</p>
<h3>二、監視系統 連線型態：</h3>
<p>攝影機至錄影主機(NVR)之間的連線，大多採用網路纜線，甚至採用光纖網路，往往遇到的狀況：距離太遠(銅纜網路100m限制)、線路保護不易(鼠害、環境災害、人為損傷)、佈線工資昂貴(配管、放線固定、拉線工資)、開挖復舊大興土木(暗管埋設、節點保護、戶外設備箱固定)、甚至網路架構層級太多(太多層SWITCH網路集線器)</p>
<p>&nbsp;</p>

<a href='http://www.yccwork.com/1209/1209/%e9%81%a0%e8%b7%9d%e9%9b%a2-%e9%ab%98%e9%a0%bb%e5%af%ac-%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af-%e7%9b%a3%e8%a6%96%e7%b3%bb%e7%b5%b1-%e4%b8%bb%e5%b9%b9%e5%8f%8a%e6%94%af%e5%b9%b9'><img width="150" height="150" src="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-主幹及支幹-150x150.jpg" class="attachment-thumbnail size-thumbnail" alt="遠距離 高頻寬 無線網路 監視系統-主幹及支幹" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-主幹及支幹-150x150.jpg 150w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-主幹及支幹-90x90.jpg 90w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-主幹及支幹-300x300.jpg 300w" sizes="(max-width: 150px) 100vw, 150px" /></a>
<a href='http://www.yccwork.com/1209/1209/%e9%81%a0%e8%b7%9d%e9%9b%a2-%e9%ab%98%e9%a0%bb%e5%af%ac-%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af-%e7%9b%a3%e8%a6%96%e7%b3%bb%e7%b5%b1-2'><img width="150" height="150" src="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-2-150x150.jpg" class="attachment-thumbnail size-thumbnail" alt="遠距離 高頻寬 無線網路 監視系統-2" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-2-150x150.jpg 150w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-2-90x90.jpg 90w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-2-300x300.jpg 300w" sizes="(max-width: 150px) 100vw, 150px" /></a>

<p>1.有線網路傳遞的距離雖然使用了cat.6甚至cat.7傳遞的長度在IEEE的規定仍以100公尺為標準，雖然可以拉到130公尺，但丟失封包的風險將提高，甚至無法運作網路。</p>
<p>2.工廠廠房長寬加上樓層及機房位置，大多超過100公尺，加上配置EMT管保護，該工程的費用預算早已遠超過購置更多的攝影機。</p>
<p>3.如果使用光纖網路，以200公尺的案例，多模光纖、光電轉換器、配管保護、光纖熔接、光纖收容箱，甚至未來查修復原，其費用肯定超過銅纜網路線。</p>
<p>&nbsp;</p>
<div id="attachment_1250" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2015/11/台中大雅忠義里-YC-2858AN-YCP-1200AC網路架構延伸中繼.png"><img aria-describedby="caption-attachment-1250" class="wp-image-1250 size-large" src="http://www.yccwork.com/wp-content/uploads/2015/11/台中大雅忠義里-YC-2858AN-YCP-1200AC網路架構延伸中繼-1024x709.png" alt="台中大雅忠義里-YC-2858AN+YCP-1200AC網路架構(延伸中繼)" width="640" height="443" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/台中大雅忠義里-YC-2858AN-YCP-1200AC網路架構延伸中繼-1024x709.png 1024w, http://www.yccwork.com/wp-content/uploads/2015/11/台中大雅忠義里-YC-2858AN-YCP-1200AC網路架構延伸中繼-300x208.png 300w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-1250" class="wp-caption-text">台中大雅忠義里-YC-2858AN+YCP-1200AC網路架構(延伸中繼)</p></div>
<p>&nbsp;</p>
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<p>&nbsp;</p>
<h3>三、無線網路 規劃建議作為：</h3>
<p>富躍科技 擁有 遠距離 高頻寬 無線網路,監視系統 整合豐富施工經驗，以 無線網路 將監視資訊系統網路傳回機房，再向ISP業者申裝網路，不但減少網路月租費用，並在工程上減少了施工時程。</p>
<p>&nbsp;</p>

<a href='http://www.yccwork.com/1209/1209/%e9%81%a0%e8%b7%9d%e9%9b%a2-%e9%ab%98%e9%a0%bb%e5%af%ac-%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af-%e7%9b%a3%e8%a6%96%e7%b3%bb%e7%b5%b1-1'><img width="150" height="150" src="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-1-150x150.jpg" class="attachment-thumbnail size-thumbnail" alt="遠距離 高頻寬 無線網路 監視系統-1" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-1-150x150.jpg 150w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-1-90x90.jpg 90w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-1-300x300.jpg 300w" sizes="(max-width: 150px) 100vw, 150px" /></a>
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<a href='http://www.yccwork.com/1209/1209/%e9%81%a0%e8%b7%9d%e9%9b%a2-%e9%ab%98%e9%a0%bb%e5%af%ac-%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af-%e7%9b%a3%e8%a6%96%e7%b3%bb%e7%b5%b1-%e6%94%af%e5%b9%b9%e6%94%9d%e5%bd%b1%e6%a9%9f'><img width="150" height="150" src="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-支幹攝影機--150x150.jpg" class="attachment-thumbnail size-thumbnail" alt="遠距離 高頻寬 無線網路 監視系統-支幹攝影機" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-支幹攝影機--150x150.jpg 150w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-支幹攝影機--90x90.jpg 90w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-支幹攝影機--300x300.jpg 300w" sizes="(max-width: 150px) 100vw, 150px" /></a>
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<p>&nbsp;</p>
<p>1. 還在使用多點xDSL回傳至機房嗎？改改吧，我國ISP業者，是以頻寬計費的，不是不用xDSL，只是更有效的使用ISP提供的頻寬，把錢花在刀口上。</p>
<p>2.網路的頻寬以 無線網路 為區網，以ISP業者提供的頻寬為中控系統集中整合專用。</p>
<p>3.甚至開放給民眾連線，擁有更高效率的生活品質。</p>
<p>&nbsp;</p>
<div id="attachment_1215" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-鄰里道路-監視系統.jpg"><img aria-describedby="caption-attachment-1215" class="wp-image-1215 size-large" src="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-鄰里道路-監視系統-1024x576.jpg" alt="遠距離 高頻寬 無線網路 監視系統-鄰里道路 監視系統" width="640" height="360" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-鄰里道路-監視系統-1024x576.jpg 1024w, http://www.yccwork.com/wp-content/uploads/2015/11/遠距離-高頻寬-無線網路-監視系統-鄰里道路-監視系統-300x169.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-1215" class="wp-caption-text">遠距離 高頻寬 無線網路 監視系統-鄰里道路 監視系統</p></div>
<p>&nbsp;</p>
<h3>四、標準化 無線網路：</h3>
<p>以往 無線網路 所建置的用途，大多以服務行動裝置上網使用，亦大多採用802.11bgn  2.4GHz~2.5GHz  WiFi 頻率建置，同一頻率需多設備使用，就容易造成干擾，有時候連的到，卻無法上網。</p>
<p>1.以 頻譜 掃描可探出頻率使用狀況，而非以 無線網路 掃描，只看得出SSID</p>
<p>&nbsp;</p>
<div id="attachment_1225" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2015/11/頻譜-測試-2.4G-無線網路-干擾源多.png"><img aria-describedby="caption-attachment-1225" class="wp-image-1225 size-large" src="http://www.yccwork.com/wp-content/uploads/2015/11/頻譜-測試-2.4G-無線網路-干擾源多-1024x576.png" alt="頻譜 測試-2.4G 無線網路-干擾源多" width="640" height="360" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/頻譜-測試-2.4G-無線網路-干擾源多-1024x576.png 1024w, http://www.yccwork.com/wp-content/uploads/2015/11/頻譜-測試-2.4G-無線網路-干擾源多-300x169.png 300w, http://www.yccwork.com/wp-content/uploads/2015/11/頻譜-測試-2.4G-無線網路-干擾源多.png 1366w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-1225" class="wp-caption-text">頻譜 測試-2.4G 無線網路-干擾源多</p></div>
<h3>五、無線網路 理論：</h3>
<p>簡單說，2.4G WiFi無線網路，只有100MHz可以使用，雖然看的到11個頻道，但在一個封閉空間，能使用的乾淨頻道只有CH1、CH6、CH11三個，還不能開啟MIMO也就是802.11N的協定，一個802.11N會展頻使用，如CH1+CH7或CH7+CH11，藉以達到40MHz傳輸的頻率寬度。</p>
<p>1.BGN給行動裝置，AC為主幹，AN為支幹，規劃建置</p>
<p>&nbsp;</p>
<div id="attachment_1229" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2015/11/無線網路-頻譜-環境頻譜5G.png"><img aria-describedby="caption-attachment-1229" class="wp-image-1229 size-large" src="http://www.yccwork.com/wp-content/uploads/2015/11/無線網路-頻譜-環境頻譜5G-1024x576.png" alt="無線網路 頻譜-環境頻譜5G" width="640" height="360" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/無線網路-頻譜-環境頻譜5G-1024x576.png 1024w, http://www.yccwork.com/wp-content/uploads/2015/11/無線網路-頻譜-環境頻譜5G-300x169.png 300w, http://www.yccwork.com/wp-content/uploads/2015/11/無線網路-頻譜-環境頻譜5G.png 1366w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-1229" class="wp-caption-text">無線網路 頻譜-環境頻譜5G</p></div>
<h3>六、採用的 無線網路：</h3>
<p>富躍科技 採用標準5GHz~5.8GHz  WiFi  802.11a/n及802.11AC作為 無線網路 的佈設，好處是頻道寬度有80MHz，共有22個頻道可以使用，且同一個地區大範圍，非常難遇到22個頻段全部用滿，可見遭受干擾的狀況自然降低，同理無線網路斷線的狀況也排除了干擾造成的狀況。</p>
<p>&nbsp;</p>
<h3>七、建置規劃 無線網路 主幹：</h3>
<p>主幹 遠距離 無線網路 的配置，將 高頻寬 系列配置於主幹傳遞，每個主幹可擁有延伸三段的方向，也就是單點對三點，共享無限總頻寬理論值有600Mbps(實際1公里420~500Mbps)、300Mbps(實際1公里150~200Mbps)兩款建置，延伸端可交錯搭配。</p>
<div id="attachment_1227" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2015/11/YCP-1200AC-無線網路-主幹傳遞-MIMO-80MHz.png"><img aria-describedby="caption-attachment-1227" class="wp-image-1227 size-large" src="http://www.yccwork.com/wp-content/uploads/2015/11/YCP-1200AC-無線網路-主幹傳遞-MIMO-80MHz-1024x576.png" alt="YCP-1200AC 無線網路 主幹傳遞 MIMO-80MHz" width="640" height="360" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/YCP-1200AC-無線網路-主幹傳遞-MIMO-80MHz-1024x576.png 1024w, http://www.yccwork.com/wp-content/uploads/2015/11/YCP-1200AC-無線網路-主幹傳遞-MIMO-80MHz-300x169.png 300w, http://www.yccwork.com/wp-content/uploads/2015/11/YCP-1200AC-無線網路-主幹傳遞-MIMO-80MHz.png 1366w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-1227" class="wp-caption-text">YCP-1200AC 無線網路 主幹傳遞 MIMO-80MHz</p></div>
<p>&nbsp;</p>
<h3>八、延伸利用 無線網路 支幹：</h3>
<p>支幹 遠距離 無線網路 的配置，將主幹以有線網路接續支幹 無線網路 基地台，在分享給5~8段不同方向的延伸支幹，延伸後以有線方式接續攝影機，共享頻寬理論為100Mbps((實際1公里60~80Mbps)</p>
<div id="attachment_1226" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2015/11/YC-2858AN-II-無線網路-支幹傳遞-MIMO-40MHz.png"><img aria-describedby="caption-attachment-1226" class="wp-image-1226 size-large" src="http://www.yccwork.com/wp-content/uploads/2015/11/YC-2858AN-II-無線網路-支幹傳遞-MIMO-40MHz-1024x576.png" alt="YC-2858AN-II 無線網路 支幹傳遞 MIMO-40MHz" width="640" height="360" srcset="http://www.yccwork.com/wp-content/uploads/2015/11/YC-2858AN-II-無線網路-支幹傳遞-MIMO-40MHz-1024x576.png 1024w, http://www.yccwork.com/wp-content/uploads/2015/11/YC-2858AN-II-無線網路-支幹傳遞-MIMO-40MHz-300x169.png 300w, http://www.yccwork.com/wp-content/uploads/2015/11/YC-2858AN-II-無線網路-支幹傳遞-MIMO-40MHz.png 1366w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-1226" class="wp-caption-text">YC-2858AN-II 無線網路 支幹傳遞 MIMO-40MHz</p></div>
<p>&nbsp;</p>
<p>遠距離 高頻寬 無線網路 應用於村鄰里雲端 監視系統  相關相片</p>

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<p>這篇文章 <a rel="nofollow" href="http://www.yccwork.com/1209/1209">遠距離 高頻寬 無線網路 應用於村鄰里雲端 監視系統</a> 最早出現於 <a rel="nofollow" href="http://www.yccwork.com">富躍科技網路監控資訊整合</a>。</p>
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		<title>無線網路規劃, 室外無線網路</title>
		<link>http://www.yccwork.com/386/%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af%e8%a6%8f%e5%8a%83-%e5%ae%a4%e5%a4%96%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af-%e9%87%8d%e9%bb%9e%e9%81%b8%e6%93%87</link>
				<comments>http://www.yccwork.com/386/%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af%e8%a6%8f%e5%8a%83-%e5%ae%a4%e5%a4%96%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af-%e9%87%8d%e9%bb%9e%e9%81%b8%e6%93%87#respond</comments>
				<pubDate>Sat, 19 Jul 2014 08:14:43 +0000</pubDate>
		<dc:creator><![CDATA[富躍科技]]></dc:creator>
				<category><![CDATA[最新消息]]></category>
		<category><![CDATA[無線網路]]></category>
		<category><![CDATA[基地台]]></category>
		<category><![CDATA[室外無線網路]]></category>
		<category><![CDATA[無線網路規劃]]></category>
		<category><![CDATA[網路]]></category>
		<category><![CDATA[規劃]]></category>
		<category><![CDATA[遠距離]]></category>
		<category><![CDATA[頻寬]]></category>
		<category><![CDATA[高速]]></category>
		<category><![CDATA[高頻寬]]></category>

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				<description><![CDATA[<p>&#160; &#160; &#160; &#160; &#160; &#160; 無線網路規劃, 室外無線網路 &#160; 有鑑於室外型&#8221;遠距離&#8221;高頻寬&#8221;無線網路&#8221;之應用，客戶所遇到之狀況，無線網路 規劃 時應注意的重點，以下作個說明： &#160; &#8220;無線網路&#8221;在這裡所指的是IEEE 802.11 a/b/g/n/an/ac，也就是Wi-Fi，使用的頻率區段為B/G 2.4GHz~2.5GHz、A 5.0GHz~5.8</p>
<p><a class="excerpt-more blog-excerpt" href="http://www.yccwork.com/386/%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af%e8%a6%8f%e5%8a%83-%e5%ae%a4%e5%a4%96%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af-%e9%87%8d%e9%bb%9e%e9%81%b8%e6%93%87">展開閱讀...</a></p>
<p>這篇文章 <a rel="nofollow" href="http://www.yccwork.com/386/%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af%e8%a6%8f%e5%8a%83-%e5%ae%a4%e5%a4%96%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af-%e9%87%8d%e9%bb%9e%e9%81%b8%e6%93%87">無線網路規劃, 室外無線網路</a> 最早出現於 <a rel="nofollow" href="http://www.yccwork.com">富躍科技網路監控資訊整合</a>。</p>
]]></description>
								<content:encoded><![CDATA[<h3></h3>
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<h3><span style="font-weight: 600;">無線網路規劃,</span><span style="color: #1e0fbe;"> </span><span style="font-weight: 600;">室外無線網路</span></h3>
<p>&nbsp;</p>
<p>有鑑於室外型&#8221;遠距離&#8221;高頻寬&#8221;無線網路&#8221;之應用，客戶所遇到之狀況，無線網路 規劃 時應注意的重點，以下作個說明：</p>
<p>&nbsp;</p>
<p>&#8220;無線網路&#8221;在這裡所指的是IEEE 802.11 a/b/g/n/an/ac，也就是Wi-Fi，使用的頻率區段為B/G 2.4GHz~2.5GHz、A 5.0GHz~5.8GHz、AC 5GHz</p>
<p>&nbsp;</p>
<p>為何獨獨缺N，因為N是指頻率擴展的技術代表，802.11B衍伸為802.11G擴展後為300N，802.11A擴展為802.11N為300N，802.11A衍伸技術為802.11AC</p>
<p>&nbsp;</p>
<p>擴展的部分是以 頻寬 作技術發展，G未擴展 頻寬 前為20MHz，擴展後為40MHz；A未擴展 頻寬 前為20MHz，擴展後為40MHz；AC未擴展 頻寬 前為80MHz，擴展後 頻寬 為160MHz (目前尚未面市)</p>
<p>&nbsp;</p>
<div id="attachment_70" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2013/10/無線網路遠距離高頻寬.jpg"><img aria-describedby="caption-attachment-70" class="wp-image-70" title="無線網路遠距離高頻寬" src="http://www.yccwork.com/wp-content/uploads/2013/10/無線網路遠距離高頻寬.jpg" alt="無線網路遠距離高頻寬" width="640" height="184" srcset="http://www.yccwork.com/wp-content/uploads/2013/10/無線網路遠距離高頻寬.jpg 1000w, http://www.yccwork.com/wp-content/uploads/2013/10/無線網路遠距離高頻寬-300x86.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-70" class="wp-caption-text">無線網路 5GHz~5.8GHz頻譜圖</p></div>
<p>&nbsp;</p>
<p>但 頻寬 擴展後不是只有射頻提升即可，仍須搭配天線端口的多工運作，也就是MIMO多收多送技術，以2組以上天線作一收一送以上的跳切，也就是常見的2T2R (2組天線可傳送，2組天線可接收)</p>
<p>&nbsp;</p>
<p>但是2T2R是4組天線，是的，但MIMO技術已發展為單一天線收送同時，並以SWITCH Chip作為高速切換分別切換接收與發送的元件，因此達到2T2R只需2組天線即可完成</p>
<p>&nbsp;</p>
<div id="attachment_234" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2013/11/無線網路固定端發射，架設MIMO天線以傳送足夠頻寬.jpg"><img aria-describedby="caption-attachment-234" class="wp-image-234" title="無線網路固定端發射，架設MIMO天線以傳送足夠頻寬" src="http://www.yccwork.com/wp-content/uploads/2013/11/無線網路固定端發射，架設MIMO天線以傳送足夠頻寬.jpg" alt="無線網路固定端發射，架設MIMO天線以傳送足夠頻寬" width="640" height="480" srcset="http://www.yccwork.com/wp-content/uploads/2013/11/無線網路固定端發射，架設MIMO天線以傳送足夠頻寬.jpg 800w, http://www.yccwork.com/wp-content/uploads/2013/11/無線網路固定端發射，架設MIMO天線以傳送足夠頻寬-300x225.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-234" class="wp-caption-text">無線網路 固定端發射，架設MIMO天線以傳送足夠頻寬</p></div>
<p>&nbsp;</p>
<p>但市面上常見亦有單一天線的&#8221;無線網路&#8221; 基地台，是的，這時應注意所標註的可用速率僅為一半150Mbps，因此高 頻寬 的傳輸定義了多收多送複數天線的設計</p>
<p>&nbsp;</p>
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<p>&nbsp;</p>
<p>接下來說明速率，判別的單位為Mbps，許多&#8221;無線網路&#8221; 基地台 雖然標稱300Mbps，與電腦&#8221;無線網路&#8221;介面連線後亦顯示300Mbps，但速度真的有到300Mbps嗎，甚至於有的AP做到了3支天線</p>
<p>&nbsp;</p>
<div id="attachment_69" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2013/10/無線網路特殊應用.jpg"><img aria-describedby="caption-attachment-69" class="wp-image-69" title="無線網路特殊應用" src="http://www.yccwork.com/wp-content/uploads/2013/10/無線網路特殊應用.jpg" alt="無線網路特殊應用" width="640" height="184" srcset="http://www.yccwork.com/wp-content/uploads/2013/10/無線網路特殊應用.jpg 1000w, http://www.yccwork.com/wp-content/uploads/2013/10/無線網路特殊應用-300x86.jpg 300w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-69" class="wp-caption-text">無線網路特殊應用</p></div>
<p>其實不然，真實&#8221;無線網路&#8221;傳輸速率大多僅能達到54Mbps，為何是300Mbps，並不是不實，而是如一對一連結時，若B/G未展頻為N則為54Mbps，若第二台設備加入連線，則共享54Mbps使用</p>
<p>但若300Mbps的設備連結後，部分設備一對一可達到80Mbps，未完續待&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.</p>
<p>&nbsp;</p>
<div id="attachment_762" style="width: 650px" class="wp-caption aligncenter"><a href="http://www.yccwork.com/wp-content/uploads/2014/10/b.png"><img aria-describedby="caption-attachment-762" class="wp-image-762 size-large" title="無線網路頻寬壓力耐久度測試" src="http://www.yccwork.com/wp-content/uploads/2014/10/b-1024x575.png" alt="無線網路頻寬壓力耐久度測試" width="640" height="359" srcset="http://www.yccwork.com/wp-content/uploads/2014/10/b-1024x575.png 1024w, http://www.yccwork.com/wp-content/uploads/2014/10/b-300x168.png 300w, http://www.yccwork.com/wp-content/uploads/2014/10/b.png 1366w" sizes="(max-width: 640px) 100vw, 640px" /></a><p id="caption-attachment-762" class="wp-caption-text">無線網路頻寬壓力耐久度測試</p></div>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p><a id="wpseosnippet_title" class="title" href="http://www.yccwork.com/386/%E7%84%A1%E7%B7%9A%E7%B6%B2%E8%B7%AF%E8%A6%8F%E5%8A%83-%E5%AE%A4%E5%A4%96%E7%84%A1%E7%B7%9A%E7%B6%B2%E8%B7%AF-%E9%87%8D%E9%BB%9E%E9%81%B8%E6%93%87"><strong>無線網路規劃,</strong> <strong>室外無線網路</strong> &#8211; 富躍科技有限公司</a></p>
<p>基地台對基地台對連</p>
<p>電腦與基地台</p>
<p>&nbsp;</p>
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		<title>高速 高頻寬 大範圍 遠距離無線網路</title>
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				<pubDate>Sat, 02 Nov 2013 16:58:36 +0000</pubDate>
		<dc:creator><![CDATA[富躍科技]]></dc:creator>
				<category><![CDATA[工程剪影 - 總匯]]></category>
		<category><![CDATA[最新消息]]></category>
		<category><![CDATA[無線網路]]></category>
		<category><![CDATA[大範圍]]></category>
		<category><![CDATA[遠距離無線網路]]></category>
		<category><![CDATA[高速]]></category>
		<category><![CDATA[高頻寬]]></category>

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				<description><![CDATA[<p>高速 高頻寬 大範圍 遠距離無線網路 &#160; &#160; &#160; &#160; &#160; 高速 高頻寬 大範圍 遠距離無線網路 運用設備： YC-2858AN 戶外 耐候型 高速 遠距離無線網路 基地台 &#160; &#160;</p>
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								<content:encoded><![CDATA[<h3>高速 高頻寬 大範圍 遠距離無線網路</h3>
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<p><a id="wpseosnippet_title" class="title" style="color: #1e0fbe;" href="http://www.yccwork.com/wp-admin/post.php?post=307&amp;action=edit#"><span style="font-weight: 600;">高速</span> <span style="font-weight: 600;">高頻寬</span> <span style="font-weight: 600;">大範圍</span> <span style="font-weight: 600;">遠距離無線網路</span></a></p>
<p>運用設備：</p>
<h3 class="entry-title" style="color: #c4872b;"><a title="YC-2858AN 戶外 耐候型 高速 遠距離無線網路 基地台" href="http://www.yccwork.com/104/yc-2858an%e7%b3%bb%e5%88%97-%e6%88%b6%e5%a4%96%e9%98%b2%e6%b0%b4%e8%80%90%e5%80%99%e5%9e%8b%e9%ab%98%e9%80%9f%e9%81%a0%e8%b7%9d%e9%9b%a2%e7%84%a1%e7%b7%9a%e7%b6%b2%e8%b7%af%e5%9f%ba%e5%9c%b0%e5%8f%b0">YC-2858AN 戶外 耐候型 高速 遠距離無線網路 基地台</a></h3>
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