{"id":464,"date":"2025-12-22T17:23:27","date_gmt":"2025-12-22T09:23:27","guid":{"rendered":"https:\/\/www.garfield-blog.top\/?p=464"},"modified":"2025-12-22T17:26:38","modified_gmt":"2025-12-22T09:26:38","slug":"%e3%80%90%e8%af%bb%e4%b9%a6%e7%ac%94%e8%ae%b0%e3%80%91%e3%80%90%e6%97%a0%e7%ba%bf%e6%9d%83%e5%a8%81%e6%8c%87%e5%8d%97%e7%ac%ac%e4%ba%94%e7%89%88%e3%80%91802-11%e6%95%b0%e6%8d%ae%e5%b8%a7","status":"publish","type":"post","link":"https:\/\/www.garfield-blog.top\/?p=464","title":{"rendered":"\u3010\u8bfb\u4e66\u7b14\u8bb0\u3011\u3010\u65e0\u7ebf\u6743\u5a01\u6307\u5357\u7b2c\u4e94\u7248\u3011802.11\u6570\u636e\u5e27"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u6570\u636e\u5e27\u6982\u8ff0<\/h2>\n\n\n\n<p><code>IEEE 802.11-2016<\/code>\u6807\u51c6\u5b9a\u4e49\u4e86<code>15<\/code>\u79cd\u6570\u636e\u5e27\u5b50\u7c7b\u578b\uff0c\u6700\u5e38\u89c1\u7684\u4e24\u79cd\u6570\u636e\u5e27\u662f\u6570\u636e\u5b50\u7c7b\u578b(\u901a\u5e38\u79f0\u4e3a\u7b80\u5355\u6570\u636e\u5e27)\u548c<code>QoS<\/code>\u6570\u636e\u5b50\u7c7b\u578b\u3002\u4e8c\u8005\u7684\u533a\u522b\u5728\u4e8e\uff0c<code>QoS<\/code>\u6570\u636e\u5e27\u7684<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u643a\u5e26\u670d\u52a1\u7c7b\u522b\u4fe1\u606f\u3002\u7b80\u5355\u6570\u636e\u5e27\u6709\u65f6\u4e5f\u79f0\u4e3a\u975e<code>QoS<\/code>\u6570\u636e\u5e27<\/p>\n\n\n\n<p>\u8fd9\u4e24\u79cd\u6570\u636e\u5e27\u7684\u5e27\u4f53\u90fd\u5c01\u88c5\u6709<code>MSDU<\/code>\u51c0\u8377(\u4e0a\u5c42\u4fe1\u606f)\u3002\u51fa\u4e8e\u6570\u636e\u4fdd\u5bc6\u6027\u8003\u8651\uff0c<code>MSDU<\/code>\u51c0\u8377\u901a\u5e38\u7ecf\u8fc7\u52a0\u5bc6\u3002\u63a5\u5165\u70b9\u6216\u65e0\u7ebf\u5c40\u57df\u7f51\u63a7\u5236\u5668\u4e2d\u7684\u96c6\u6210\u670d\u52a1\u8d1f\u8d23\u89e3\u5bc6\u6570\u636e\u5e27\u7684<code>MSDU<\/code>\u51c0\u8377\uff0c\u7136\u540e\u53d6\u51fa\u5e76\u8f6c\u6362\u4e3a<code>802.3<\/code>\u4ee5\u592a\u7f51\u5e27<\/p>\n\n\n\n<p>\u5bf9\u4e8e<code>802.11<\/code>\u7b80\u5355\u6570\u636e\u5e27\u6216<code>QoS<\/code>\u6570\u636e\u5e27\uff0c\u5e27\u4f53\u7684\u6700\u5927\u957f\u5ea6\u7531<code>MSDU<\/code>\u7684\u6700\u5927\u957f\u5ea6(<code>2304<\/code>\u5b57\u8282\u4ee5\u53ca\u52a0\u5bc6\u4ea7\u751f\u7684\u5f00\u9500\u51b3\u5b9a\u3002\u4ee5<code>802.11<\/code>\u6570\u636e\u5e27\u7684\u5e27\u4f53\u4e3a\u4f8b\uff0c<code>WEP<\/code>\u52a0\u5bc6\u4f1a\u4ea7\u751f<code>8<\/code>\u5b57\u8282\u5f00\u9500\uff0c<code>TKIP<\/code>\u52a0\u5bc6\u4f1a\u4ea7\u751f<code>20<\/code>\u5b57\u8282\u5f00\u9500\uff0c\u800c<code>CCMP<\/code>\u52a0\u5bc6\u4f1a\u4ea7\u751f<code>16<\/code>\u5b57\u8282\u5f00\u9500<\/p>\n\n\n\n<p><code>15<\/code>\u79cd\u6570\u636e\u5e27\u5b50\u7c7b\u578b\u4e2d\u7684\u5927\u591a\u6570\u5176\u5b9e\u5e76\u4e0d\u5b58\u5728\u3002\u5728<code>IEEE 802.11-2016<\/code>\u6807\u51c6\u5b9a\u4e49\u7684<code>15<\/code>\u79cd\u6570\u636e\u5e27\u4e2d\uff0c<strong>\u670911\u79cd\u76ee\u524d\u4ec5\u505c\u7559\u5728\u7eb8\u9762\u4e0a<\/strong>\u3002\u5168\u90e8<code>15<\/code>\u79cd\u6570\u636e\u5e27\u5b50\u7c7b\u578b\u5982\u4e0b\u6240\u793a(\u7531\u4e8e\u6240\u6709<code>PCF<\/code>\u6216<code>HCCA<\/code>\u6570\u636e\u5e27\u5b9e\u9645\u4e0a\u4ece\u672a\u4f7f\u7528\u8fc7\uff0c\u56e0\u6b64<strong>\u4e3b\u8981\u5173\u6ce8\u666e\u901a\u6570\u636e\u5e27\u6570\u636e\u5e27\u3001\u7a7a\u6570\u636e\u5e27\u3001Qos\u6570\u636e\u5e27\u3001Qos\u7a7a\u5e27\u5b50\u7c7b\u578b\u5373\u53ef<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7c7b\u578b(Type)\u5b57\u6bb5<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6bd4\u7279\u503c<\/th><th>\u5e27\u7c7b\u578b<\/th><th>\u4f5c\u7528<\/th><\/tr><\/thead><tbody><tr><td><code>00<\/code><\/td><td>\u7ba1\u7406\u5e27<\/td><td>\u53d1\u73b0\u63a5\u5165\u70b9\u5e76\u52a0\u5165\u57fa\u672c\u670d\u52a1\u96c6<\/td><\/tr><tr><td><code>01<\/code><\/td><td>\u63a7\u5236\u5e27<\/td><td>\u786e\u8ba4\u4f20\u8f93\u6210\u529f\u5e76\u4fdd\u7559\u65e0\u7ebf\u4ecb\u8d28<\/td><\/tr><tr><td><code>10<\/code><\/td><td>\u6570\u636e\u5e27<\/td><td>\u643a\u5e26\u4e0a\u5c42<code>MSDU<\/code>\u51c0\u8377<\/td><\/tr><tr><td><code>11<\/code><\/td><td>\u6269\u5c55\u5e27<\/td><td>\u4e00\u79cd\u65b0\u7684\u3001\u7075\u6d3b\u7684\u5e27\u683c\u5f0f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u6570\u636e\u5e27\u5e27\u5b50\u7c7b\u578b(Subtype)\u5b57\u6bb5<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6bd4\u7279\u503c<\/th><th>\u5e27\u7c7b\u578b<\/th><th>\u4f5c\u7528<\/th><\/tr><\/thead><tbody><tr><td><code>0000<\/code><\/td><td><strong>\u666e\u901a\u6570\u636e\u5e27<\/strong>(<code>Data(simple data frame)<\/code>)<\/td><td>\u643a\u5e26\u4e0a\u5c42\u534f\u8bae\u6570\u636e(\u5982<code>IP<\/code>\u5305)\uff0c\u4f7f\u7528<code>DCF<\/code>(\u5206\u5e03\u5f0f\u534f\u8c03)\u673a\u5236\u4f20\u8f93\uff0c\u65e0<code>QoS<\/code>\u652f\u6301(\u9002\u7528\u4e8e<code>802.11a\/b\/g<\/code>)<\/td><\/tr><tr><td><code>0001<\/code><\/td><td><strong>\u6570\u636e + \u65e0\u7ade\u4e89\u786e\u8ba4<\/strong>(<code>Data +CF-Ack<\/code>)<\/td><td>\u5728<code>PCF<\/code>(\u70b9\u534f\u8c03\u529f\u80fd) \u6a21\u5f0f\u4e0b\uff0c\u65e2\u4f20\u8f93\u6570\u636e\uff0c\u53c8\u5bf9\u524d\u4e00\u4e2a\u5e27\u8fdb\u884c\u786e\u8ba4(<code>CF-Ack<\/code>)\u3002\u73b0\u4ee3<code>Wi-Fi<\/code>\u51e0\u4e4e\u4e0d\u7528<code>PCF<\/code><\/td><\/tr><tr><td><code>0010<\/code><\/td><td><strong>\u6570\u636e + \u65e0\u7ade\u4e89\u8f6e\u8be2<\/strong>(<code>Data +CF-Poll<\/code>)<\/td><td>\u5728<code>PCF<\/code>\u6a21\u5f0f\u4e0b\uff0c<code>AP<\/code>\u53d1\u9001\u6b64\u5e27\u8868\u793a\u201c\u6211\u6709\u6570\u636e\u53d1\u7ed9\u4f60\uff0c\u540c\u65f6\u8f6e\u8be2\u4f60\u662f\u5426\u6709\u6570\u636e\u8981\u53d1\u201d<\/td><\/tr><tr><td><code>0011<\/code><\/td><td><strong>\u6570\u636e + \u786e\u8ba4 + \u8f6e\u8be2<\/strong>(<code>Data +CF-Ack +CF-Poll<\/code>)<\/td><td>\u540c\u65f6\u5b8c\u6210\u4e09\u9879\u529f\u80fd\uff1a\u4f20\u6570\u636e\u3001\u786e\u8ba4\u524d\u5e27\u3001\u8f6e\u8be2<code>STA<\/code>\u3002\u4ec5\u7528\u4e8e\u5df2\u5e9f\u5f03\u7684<code>PCF<\/code>\u6a21\u5f0f<\/td><\/tr><tr><td><code>0100<\/code><\/td><td><strong>\u7a7a\u6570\u636e\u5e27(\u65e0\u8d1f\u8f7d)<\/strong>(<code>Null(no data)<\/code>)<\/td><td>\u4e0d\u643a\u5e26\u4efb\u4f55\u4e0a\u5c42\u6570\u636e\uff0c\u4f46\u7528\u4e8e\u7ef4\u6301\u5173\u8054\u72b6\u6001(\u5982\u7701\u7535\u6a21\u5f0f\u4e0b\u544a\u77e5<code>AP<\/code>\u201c\u6211\u8fd8\u5728\u7ebf\u201d)\uff0c\u6216\u89e6\u53d1\u54cd\u5e94(\u5982\u6f2b\u6e38\u63a2\u6d4b)<\/td><\/tr><tr><td><code>0101<\/code><\/td><td><strong>\u65e0\u7ade\u4e89\u786e\u8ba4(\u65e0\u6570\u636e)<\/strong>(<code>CF-Ack(no data)<\/code>)<\/td><td>\u4ec5\u7528\u4e8e<code>PCF<\/code>\u6a21\u5f0f\u4e0b\u7684\u786e\u8ba4\uff0c\u65e0\u6570\u636e\u8d1f\u8f7d<\/td><\/tr><tr><td><code>0110<\/code><\/td><td><strong>\u65e0\u7ade\u4e89\u8f6e\u8be2(\u65e0\u6570\u636e)<\/strong>(<code>CF-Poll(no data)<\/code>)<\/td><td><code>AP<\/code>\u5728<code>PCF<\/code>\u5468\u671f\u4e2d\u8f6e\u8be2<code>STA<\/code>\u662f\u5426\u6709\u6570\u636e\u8981\u53d1\u9001<\/td><\/tr><tr><td><code>0111<\/code><\/td><td><strong>\u786e\u8ba4 + \u8f6e\u8be2(\u65e0\u6570\u636e)<\/strong>(<code>CF-Ack +CF-Poll(no data)<\/code>)<\/td><td><code>PCF<\/code>\u6a21\u5f0f\u4e0b\u7ec4\u5408\u64cd\u4f5c\uff0c\u65e0\u6570\u636e<\/td><\/tr><tr><td><code>1000<\/code><\/td><td><strong>QoS\u6570\u636e\u5e27<\/strong>(<code>QoS Data<\/code>)<\/td><td>\u6700\u5e38\u7528\u7684\u6570\u636e\u5e27\u7c7b\u578b(<code>802.11e<\/code>\u53ca\u4ee5\u540e)\u3002\u643a\u5e26\u4e0a\u5c42\u6570\u636e\uff0c\u5e76\u5305\u542b<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5(\u5982<code>TID<\/code>\u3001<code>EOSP<\/code>\u3001<code>ACK policy<\/code>)\uff0c\u652f\u6301<code>WMM<\/code>\u3001\u8bed\u97f3\/\u89c6\u9891\u4f18\u5148\u7ea7\u3001<code>A-MPDU<\/code>\u805a\u5408\u7b49<\/td><\/tr><tr><td><code>1001<\/code><\/td><td><strong>QoS\u6570\u636e + \u786e\u8ba4<\/strong>(<code>QoS Data +CF-Ack<\/code>)<\/td><td>\u7406\u8bba\u4e0a\u5b58\u5728\uff0c\u4f46\u56e0<code>PCF<\/code>\u5df2\u5f03\u7528\uff0c\u5b9e\u9645\u51e0\u4e4e\u4e0d\u4f1a\u51fa\u73b0<\/td><\/tr><tr><td><code>1010<\/code><\/td><td><strong>QoS\u6570\u636e + \u8f6e\u8be2<\/strong>(<code>QoS Data +CF-Poll<\/code>)<\/td><td>\u540c\u4e0a\uff0c\u4ec5\u5728<code>PCF + QoS<\/code>\u6df7\u5408\u573a\u666f(\u6781\u7f55\u89c1)<\/td><\/tr><tr><td><code>1011<\/code><\/td><td><strong>QoS\u6570\u636e + \u786e\u8ba4 + \u8f6e\u8be2<\/strong>(<code>QoS Data +CF-Ack +CF-Poll<\/code>)<\/td><td>\u540c\u4e0a\uff0c\u57fa\u672c\u4e0d\u7528<\/td><\/tr><tr><td><code>1100<\/code><\/td><td><strong>QoS\u7a7a\u5e27<\/strong>(<code>QoS Null(no data)<\/code>)<\/td><td>\u4e0d\u643a\u5e26\u6570\u636e\uff0c\u4f46\u5305\u542b<code>QoS<\/code>\u4fe1\u606f\u3002\u5e38\u7528\u4e8e\uff1a \u2022 \u5ba2\u6237\u7aef\u8fdb\u5165\/\u9000\u51fa\u7701\u7535\u6a21\u5f0f(\u901a\u8fc7<code>EOSP<\/code>\u4f4d) \u2022 \u89e6\u53d1<code>AP<\/code>\u53d1\u9001\u7f13\u5b58\u5e27 \u2022 \u4fdd\u6301\u5173\u8054\u5e76\u58f0\u660e\u6d41\u91cf\u7c7b\u522b(\u5982<code>VoIP<\/code>\u6d41\u4fdd\u6d3b)<\/td><\/tr><tr><td><code>1101<\/code><\/td><td><strong>\u4fdd\u7559<\/strong>(<code>Reserved<\/code>)<\/td><td>\u672a\u4f7f\u7528<\/td><\/tr><tr><td><code>1110<\/code><\/td><td><strong>QoS\u8f6e\u8be2(\u65e0\u6570\u636e)<\/strong>(<code>QoS CF-Poll(no data)<\/code>)<\/td><td>\u7406\u8bba\u5b58\u5728\uff0c\u5b9e\u9645\u4e0d\u7528(<code>PCF<\/code>\u5df2\u6dd8\u6c70)<\/td><\/tr><tr><td><code>1111<\/code><\/td><td><strong>QoS\u786e\u8ba4+\u8f6e\u8be2(\u65e0\u6570\u636e)<\/strong>(<code>QoS CF-Ack +CF-Poll(no data)<\/code>)<\/td><td>\u540c\u4e0a\uff0c\u5e9f\u5f03<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b14\u8005\u6ce8<\/h2>\n\n\n\n<p>\u7531\u4e8e<code>PCF<\/code>\u673a\u5236\u7684\u6dd8\u6c70\uff0c<strong>\u76ee\u524d\u5b9e\u9645\u4f7f\u7528\u7684\u6570\u636e\u5e27\u7c7b\u578b\u53ea\u6709Qos\u6570\u636e\u5e27\u3001Qos\u7a7a\u5e27\u3001\u666e\u901a\u6570\u636e\u5e27\u3001\u7a7a\u6570\u636e\u5e27<\/strong>\u8fd9\u51e0\u79cd\uff0c\u672c\u6587\u53ea\u9488\u5bf9\u8fd9\u90e8\u5206\u6570\u636e\u5e27\u8fdb\u884c\u8ba8\u8bba<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qos\u5b57\u6bb5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Qos\u63a7\u5236\u5b57\u6bb5(QoS Control)<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u975eDMG PPDU\u4e2dQoS Control<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u7b14\u8005\u6ce8\uff1aQoS Control field<strong>\u8be6\u60c5\u89c1IEEE 802.11-2016\u6587\u68639.2.4.5<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p><code>QoS Control<\/code>\u5b57\u6bb5\u662f\u4e00\u4e2a<code>16<\/code>\u4f4d\u7684\u5b57\u6bb5\uff0c\u7528\u4e8e\u6807\u8bc6\u8be5\u5e27\u6240\u5c5e\u7684\u4e1a\u52a1\u7c7b\u522b(<code>TC<\/code>)\u6216\u4e1a\u52a1\u6d41(<code>TS<\/code>)\uff0c\u4ee5\u53ca\u4e0e<code>QoS<\/code>\u3001<code>A-MSDU<\/code>\u548c<code>Mesh<\/code>\u76f8\u5173\u7684\u5176\u4ed6\u4fe1\u606f\uff1b\u8fd9\u4e9b\u4fe1\u606f\u7684\u5177\u4f53\u5185\u5bb9\u4f1a\u56e0\u5e27\u7c7b\u578b\u3001\u5b50\u7c7b\u578b\u4ee5\u53ca\u53d1\u9001<code>STA<\/code>\u7684\u7c7b\u578b\u800c\u5f02<br>\u5f53\u5b50\u7c7b\u578b(<code>Subtype<\/code>)\u5b57\u6bb5\u4e2d\u7684<code>QoS<\/code>\u5b50\u5b57\u6bb5\u7b49\u4e8e<code>1<\/code>\u65f6\uff0c\u6240\u6709\u6570\u636e\u5e27\u4e2d\u5747\u5305\u542b<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u3002 \u5728\u975e<code>DMG PPDU<\/code>\u4e2d\u4f20\u8f93\u65f6\uff0c\u6bcf\u4e2a<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u7531\u4e94\u4e2a\u6216\u516b\u4e2a\u5b50\u5b57\u6bb5\u7ec4\u6210\uff0c\u5177\u4f53\u7ed3\u6784\u53d6\u51b3\u4e8e\u53d1\u9001\u65b9(<code>HC<\/code>\u6216\u975e<code>AP STA<\/code>)\u4ee5\u53ca\u5e27\u7684\u7c7b\u578b\u548c\u5b50\u7c7b\u578b<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Applicable frame (sub)types<\/th><th>Bits 0-3<\/th><th>Bit 4<\/th><th>Bits 5-6<\/th><th>Bit 7<\/th><th>Bits 8<\/th><th>Bit 9<\/th><th>Bit 10<\/th><th>Bits 11- 15<\/th><\/tr><\/thead><tbody><tr><td><code>QoS CF-Poll and QoS CF- Ack+CF-Poll frames sent by HC<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>TXOP Limit<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Data+CF-Poll and QoS Data+CF-Ack+CF- Poll frames sent by HC<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>A-MSDU Present<\/code><\/td><td><code>TXOPLimit<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Data and QoS Data +CF-Ack frames sent by HC<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>A-MSDU Present<\/code><\/td><td><code>AP PS Buffer State<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Null frames sent by HC<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>AP PS Buffer State<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Data and QoS Data +CF-Ack frames sent by non-APSTAs that are not a TPU buffer STA or a TPU sleep STA in a nonmesh BSS<\/code><\/td><td><code>TID<\/code><\/td><td><code>0<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>A-MSDU Present<\/code><\/td><td><code>TXOP Duration Requested<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>TID<\/code><\/td><td><code>1<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>A-MSDU Present<\/code><\/td><td><code>Queue Size<\/code><\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Null frames sent by non-AP STAs that are not a TPU buffer STA or a TPU sleep STA in a nonmesh BSS<\/code><\/td><td><code>TID<\/code><\/td><td><code>0<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>TXOP Duration Requested<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>TID<\/code><\/td><td><code>1<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>Queue Size<\/code><\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Data and QoS Data +CF-Ack frames sent by TPU buffer STAs in a nonmesh BSS<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>A-MSDU Present<\/code><\/td><td><code>Reserved<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Null frames sent by TPU buffer STAs in a nonmesh BSS<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>Reserved<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Data and QoS Data +CF-Ack frames sent by TPU sleep STAs in a nonmesh BSS<\/code><\/td><td><code>TID<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>A-MSDU Present<\/code><\/td><td><code>Reserved<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>QoS Null frames sent by TPU sleep STAs in a nonmesh BSS<\/code><\/td><td><code>TID<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>Reserved<\/code><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><code>All frames sent by mesh STAs in a mesh BSS<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>A-MSDU Present<\/code><\/td><td><code>Mesh Control Present<\/code><\/td><td><code>Mesh Power Save Level<\/code><\/td><td><code>RSPI<\/code><\/td><td><code>Reserved<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>TID\u5b50\u5b57\u6bb5\uff1a<\/strong><code>TID<\/code>\u5b50\u5b57\u6bb5\u7528\u4e8e\u6807\u8bc6\u5e27\u4f53(<code>Frame Body<\/code>)\u5b57\u6bb5\u4e2d\u5bf9\u5e94\u7684<code>MSDU<\/code>(\u6216\u5176\u5206\u7247)\u6216<code>A-MSDU<\/code>\u6240\u5c5e\u7684\u4e1a\u52a1\u7c7b\u522b(<code>TC<\/code>)\u6216\u4e1a\u52a1\u6d41(<code>TS<\/code>)\u3002\u6b64\u5916\uff0c\u5f53\u901a\u8fc7\u8bbe\u7f6e\u201c\u8bf7\u6c42\u7684<code>TXOP<\/code>\u65f6\u957f\u201d(<code>TXOP duration requested<\/code>)\u6216\u201c\u961f\u5217\u5927\u5c0f\u201d(<code>queue size<\/code>)\u6765\u8bf7\u6c42<code>TXOP<\/code>\u65f6\uff0c<code>TID<\/code>\u5b50\u5b57\u6bb5\u4e5f\u7528\u4e8e\u6807\u8bc6\u6240\u8bf7\u6c42<code>TXOP<\/code>\u7684\u4e1a\u52a1\u6240\u5c5e\u7684<code>TC<\/code>\u6216<code>TS<\/code><\/p>\n\n\n\n<p><strong>EOSP\u5b50\u5b57\u6bb5\uff1a<\/strong><code>EOSP<\/code>\u5b50\u5b57\u6bb5\u957f\u5ea6\u4e3a<code>1<\/code>\u4f4d\uff0c\u7531\u6df7\u5408\u534f\u8c03\u5668(<code>HC<\/code>)\u7528\u4e8e\u6307\u793a\u5f53\u524d\u670d\u52a1\u5468\u671f(<code>SP<\/code>)\u7684\u7ed3\u675f\uff0c\u6216\u7531<code>DMG STA<\/code>\u7528\u4e8e\u6307\u793a\u5f53\u524d<code>SP<\/code>\u7684\u7ed3\u675f\uff0c\u6216\u6307\u793a\u76ee\u7684\u5730<code>AID<\/code>\u4e3a\u5355\u64ad\u5730\u5740\u7684\u5f53\u524d\u5206\u914d<code>CBAP<\/code>(\u4fe1\u9053\u65f6\u95f4\u5206\u914d)\u7684\u7ed3\u675f<\/p>\n\n\n\n<p><strong>Ack Policy\u5b50\u5b57\u6bb5\uff1a<\/strong><code>Ack Policy<\/code>(\u786e\u8ba4\u7b56\u7565)\u5b50\u5b57\u6bb5\u957f\u5ea6\u4e3a<code>2<\/code>\u4f4d\uff0c\u7528\u4e8e\u6807\u8bc6\u5728\u6210\u529f\u4f20\u8f93<code>MPDU<\/code>\u540e\u6240\u9075\u5faa\u7684\u786e\u8ba4\u7b56\u7565<\/p>\n\n\n\n<p><strong>TXOP Limit\u5b50\u5b57\u6bb5\uff1a<\/strong><code>TXOP Limit<\/code>(<code>TXOP<\/code>\u9650\u5236)\u5b50\u5b57\u6bb5\u662f\u4e00\u4e2a<code>8<\/code>\u4f4d\u7684\u5b57\u6bb5\uff0c\u51fa\u73b0\u5728\u5b50\u7c7b\u578b\u5305\u542b<code>CFPoll<\/code>\u7684<code>QoS<\/code>\u6570\u636e\u5e27\u4e2d\uff0c\u7528\u4e8e\u6307\u5b9a\u5728\u57fa\u7840\u7ed3\u6784\u578b<code>BSS<\/code>\u4e2d\u7531\u6df7\u5408\u534f\u8c03\u5668(<code>HC<\/code>)\u901a\u8fc7<code>QoS (+)CF-Poll<\/code>\u5e27\u6240\u6388\u4e88\u7684<code>TXOP<\/code>(\u4f20\u8f93\u673a\u4f1a)\u7684\u65f6\u95f4\u4e0a\u9650<\/p>\n\n\n\n<p><strong>Queue Size\u5b50\u5b57\u6bb5\uff1a<\/strong><code>Queue Size<\/code>(\u961f\u5217\u5927\u5c0f)\u5b50\u5b57\u6bb5\u662f\u4e00\u4e2a<code>8<\/code>\u4f4d\u7684\u5b57\u6bb5\uff0c\u7528\u4e8e\u6307\u793a\u53d1\u9001\u8be5\u5e27\u7684<code>STA<\/code>\u5728\u6307\u5b9a\u4e1a\u52a1\u7c7b\u522b(<code>TC<\/code>)\u6216\u4e1a\u52a1\u6d41(<code>TS<\/code>)\u4e0b\u6240\u7f13\u5b58\u7684\u6d41\u91cf\u603b\u91cf\u3002\u8be5\u5b50\u5b57\u6bb5\u51fa\u73b0\u5728\u7531\u975e<code>AP STA<\/code>\u53d1\u9001\u3001\u4e14\u5176<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u7b2c<code>4<\/code>\u4f4d\u4e3a<code>1<\/code>\u7684<code>QoS<\/code>\u6570\u636e\u5e27\u4e2d\u3002<code>AP<\/code>\u53ef\u5229\u7528<code>Queue Size<\/code>\u5b50\u5b57\u6bb5\u4e2d\u7684\u4fe1\u606f\u6765\u786e\u5b9a\u5206\u914d\u7ed9\u8be5<code>STA<\/code>\u7684<code>TXOP<\/code>\u65f6\u957f<\/p>\n\n\n\n<p><strong>TXOP Duration Requested\u5b50\u5b57\u6bb5\uff1a<\/strong><code>TXOP Duration Requested<\/code>(\u8bf7\u6c42\u7684<code>TXOP<\/code>\u65f6\u957f)\u5b50\u5b57\u6bb5\u51fa\u73b0\u5728\u975e<code>Mesh BSS<\/code>\u4e2d\u5173\u8054\u7684<code>STA<\/code>\u6240\u53d1\u9001\u7684<code>QoS<\/code>\u6570\u636e\u5e27\u4e2d\uff0c\u4e14\u8981\u6c42\u8be5\u5e27<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u7684\u7b2c<code>4<\/code>\u4f4d\u4e3a<code>0<\/code>\u3002\u8be5\u5b50\u5b57\u6bb5\u662f\u4e00\u4e2a<code>8<\/code>\u4f4d\u5b57\u6bb5\uff0c\u7528\u4e8e\u6307\u793a\u53d1\u9001<code>STA<\/code>\u4e3a\u5176\u6307\u5b9a<code>TID<\/code>\u7684\u4e0b\u4e00\u6b21<code>TXOP<\/code>\u6240\u9700\u7684\u65f6\u957f\uff0c\u5355\u4f4d\u4e3a<code>32<\/code>\u5fae\u79d2<\/p>\n\n\n\n<p><strong>AP PS Buffer State\u5b50\u5b57\u6bb5\uff1a<\/strong><code>AP PS<\/code>\u7f13\u51b2\u533a\u72b6\u6001(<code>AP PS Buffer State<\/code>)\u5b50\u5b57\u6bb5\u662f\u4e00\u4e2a<code>8<\/code>\u4f4d\u7684\u5b57\u6bb5\uff0c\u7528\u4e8e\u6307\u793a<code>AP<\/code>\u9488\u5bf9\u67d0<code>STA<\/code>\u7684\u7701\u7535(<code>PS<\/code>)\u7f13\u51b2\u533a\u72b6\u6001\u3002\u8be5\u5b50\u5b57\u6bb5\u8fdb\u4e00\u6b65\u7ec6\u5206\u4e3a\u4e09\u4e2a\u5b50\u5b57\u6bb5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f13\u51b2\u533a\u72b6\u6001\u6307\u793a(<code>Buffer State Indicated<\/code>)<\/li>\n\n\n\n<li>\u6700\u9ad8\u4f18\u5148\u7ea7\u5df2\u7f13\u5b58\u63a5\u5165\u7c7b\u522b(<code>Highest-Priority Buffered AC<\/code>)<\/li>\n\n\n\n<li><code>AP<\/code>\u5df2\u7f13\u5b58\u8d1f\u8f7d(<code>AP Buffered Load<\/code>)<\/li>\n<\/ul>\n\n\n\n<p><strong>A-MSDU Present\u5b50\u5b57\u6bb5\uff1a<\/strong><code>A-MSDU<\/code>\u5b58\u5728(<code>A-MSDU Present<\/code>)\u5b50\u5b57\u6bb5\u957f\u5ea6\u4e3a<code>1<\/code>\u4f4d\uff0c\u7528\u4e8e\u6307\u793a\u662f\u5426\u5b58\u5728<code>A-MSDU<\/code><\/p>\n\n\n\n<p><strong>Mesh Control Present\u5b50\u5b57\u6bb5\uff1a<\/strong><code>Mesh<\/code>\u63a7\u5236\u5b58\u5728(<code>Mesh Control Present<\/code>)\u5b50\u5b57\u6bb5\u957f\u5ea6\u4e3a<code>1<\/code>\u4f4d\uff0c\u7528\u4e8e\u6307\u793a\u5e27\u4f53\u4e2d\u662f\u5426\u5b58\u5728<code>Mesh<\/code>\u63a7\u5236\u5b57\u6bb5<\/p>\n\n\n\n<p><strong>Mesh Power Save Level\u5b50\u5b57\u6bb5\uff1a<\/strong><code>Mesh<\/code>\u8282\u80fd\u7b49\u7ea7(<code>Mesh Power Save Level<\/code>)\u5b50\u5b57\u6bb5<code>Mesh<\/code>\u8282\u80fd\u7b49\u7ea7(<code>Mesh Power Save Level<\/code>)\u5b50\u5b57\u6bb5\u957f\u5ea6\u4e3a<code>1<\/code>\u4f4d\uff0c\u7528\u4e8e\u6307\u793a\u5728\u5e27\u4ea4\u6362\u5e8f\u5217\u6210\u529f\u5b8c\u6210\u540e\uff0c\u8be5<code>Mesh STA<\/code>\u9488\u5bf9\u7279\u5b9a\u5bf9\u7aef\u6240\u91c7\u7528\u7684<code>Mesh<\/code>\u8282\u80fd\u7ba1\u7406\u6a21\u5f0f\u662f\u6df1\u5ea6\u7761\u7720\u6a21\u5f0f(<code>deep sleep mode<\/code>)\u8fd8\u662f\u6d45\u5ea6\u7761\u7720\u6a21\u5f0f(<code>light sleep mode<\/code>)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">DMG PPDU\u4e2dQoS Control<\/h4>\n\n\n\n<p>\u5728<code>DMG PPDU<\/code>\u5185\u4f20\u8f93\u7684<code>MPDU<\/code>\u6240\u4f7f\u7528\u7684<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u683c\u5f0f\u5982\u8868\u6240\u793a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Applicable frame (sub-)types<\/th><th>Bits 0-3<\/th><th>Bit 4<\/th><th>Bits 5-6<\/th><th>Bit 7<\/th><th>Bit 8<\/th><th>Bit 9<\/th><th>Bits 10-13<\/th><th>Bit 14<\/th><th>Bit 15<\/th><\/tr><\/thead><tbody><tr><td><code>QoS Data<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>A-MSDU Present<\/code><\/td><td><code>A-MSDU Type<\/code><\/td><td><code>RDG\/ More PPDU<\/code><\/td><td><code>Buffered AC<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>AC Constraint<\/code><\/td><\/tr><tr><td><code>QoS Null<\/code><\/td><td><code>TID<\/code><\/td><td><code>EOSP<\/code><\/td><td><code>Ack Policy<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>RDG\/ More PPDU<\/code><\/td><td><code>Buffered AC<\/code><\/td><td><code>Reserved<\/code><\/td><td><code>AC Constraint<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Receiver Service Period Initiated\uff0cRSPI\u5b50\u5b57\u6bb5<\/strong>\uff1a\u63a5\u6536\u65b9\u670d\u52a1\u5468\u671f\u542f\u52a8(<code>Receiver Service Period Initiated\uff0cRSPI<\/code>)\u5b50\u5b57\u6bb5\u957f\u5ea6\u4e3a<code>1<\/code>\u4f4d\u3002\u8be5\u5b50\u5b57\u6bb5\u7f6e\u4e3a<code>0<\/code>\u8868\u793a\uff1a\u672c\u5e27\u63a5\u6536\u65b9\u4f5c\u4e3a\u6240\u6709\u8005\u7684<code>Mesh<\/code>\u5bf9\u7b49\u670d\u52a1\u5468\u671f(<code>mesh peer service period<\/code>)\u5c1a\u672a\u542f\u52a8\uff1b\u7f6e\u4e3a<code>1<\/code>\u8868\u793a\uff1a\u8be5<code>Mesh<\/code>\u5bf9\u7b49\u670d\u52a1\u5468\u671f\u5df2\u88ab\u542f\u52a8<\/p>\n\n\n\n<p><strong>A-MSDU Type\u5b50\u5b57\u6bb5\uff1a<\/strong><code>A-MSDU<\/code>\u7c7b\u578b(<code>A-MSDU Type<\/code>)\u5b50\u5b57\u6bb5\u957f\u5ea6\u4e3a<code>1<\/code>\u4f4d\uff0c\u7528\u4e8e\u6307\u793a\u5e27\u4f53(<code>Frame Body<\/code>)\u4e2d\u6240\u5305\u542b\u7684<code>A-MSDU<\/code>\u7684\u7c7b\u578b<\/p>\n\n\n\n<p><strong>RDG\/More PPDU \u5b50\u5b57\u6bb5\uff1a<\/strong>\u5bf9\u4e8e<code>DMG<\/code>\u5e27\uff0c<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u4e2d\u7684<code>RDG\/More PPDU<\/code>\u5b50\u5b57\u6bb5\u7684\u89e3\u91ca\u65b9\u5f0f\u53d6\u51b3\u4e8e\u8be5\u5e27\u662f\u7531\u53cd\u5411\u4f20\u8f93(<code>Reverse Direction, RD<\/code>)\u53d1\u8d77\u65b9\u8fd8\u662f<code>RD<\/code>\u54cd\u5e94\u65b9\u53d1\u9001\u7684<\/p>\n\n\n\n<p><strong>AC Constraint\u5b50\u5b57\u6bb5\uff1a<\/strong>\u5bf9\u4e8e<code>DMG<\/code>\u5e27\uff0c<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u4e2d\u7684<code>AC<\/code>\u7ea6\u675f(<code>AC Constraint<\/code>)\u5b50\u5b57\u6bb5\u7528\u4e8e\u6307\u793a\u4e00\u4e2a\u53cd\u5411\u4f20\u8f93(<code>RD<\/code>)\u6570\u636e\u5e27\u6240\u6620\u5c04\u7684\u63a5\u5165\u7c7b\u522b(<code>AC<\/code>)\u662f\u5426\u88ab\u9650\u5236\u4e3a\u5355\u4e00<code>AC<\/code><\/p>\n\n\n\n<p><strong>Buffered AC \u5b50\u5b57\u6bb5\uff1a<\/strong><code>Buffered AC<\/code>(\u5df2\u7f13\u5b58\u63a5\u5165\u7c7b\u522b)\u5b50\u5b57\u6bb5\u662f\u4e00\u4e2a<code>4<\/code>\u4f4d\u7684\u4f4d\u56fe\uff0c\u7528\u4e8e\u6307\u793a\u56db\u4e2a\u63a5\u5165\u7c7b\u522b(<code>AC<\/code>)\u662f\u5426\u5b58\u5728\u5df2\u7f13\u5b58\u7684\u4e1a\u52a1\u3002\u5982\u679c\u67d0\u4e00\u4f4d\u88ab\u7f6e\u4e3a<code>1<\/code>\uff0c\u5219\u8868\u793a\u5bf9\u5e94<code>AC<\/code>\u81f3\u5c11\u6709\u4e00\u4e2a\u7f13\u5b58\u5355\u5143(<code>BU<\/code>)\u5df2\u88ab\u7f13\u5b58\u3002\u8be5<code>Buffered AC<\/code>\u5b50\u5b57\u6bb5\u4ec5\u5728<code>QoS<\/code>\u6570\u636e\u5e27\u548c<code>QoS<\/code>\u7a7a\u5e27(<code>QoS Null frames<\/code>)\u4e2d\u6709\u6548\uff0c\u5176\u4ed6\u60c5\u51b5\u4e0b\u4e3a\u4fdd\u7559\u5b57\u6bb5<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qos\u4fe1\u606f\u5b57\u6bb5(QoS Info)<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u7b14\u8005\u6ce8\uff1aQoS Control field<strong>\u8be6\u60c5\u89c1IEEE 802.11-2016\u6587\u68639.4.1.17<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p><code>QoS<\/code>\u4fe1\u606f(<code>QoS Info<\/code>)\u5b57\u6bb5\u957f\u5ea6\u4e3a<code>1<\/code>\u4e2a\u5b57\u8282\uff0c\u5305\u542b\u80fd\u529b\u4fe1\u606f\u4f4d\u3002\u8be5\u5b57\u6bb5\u7684\u5177\u4f53\u5185\u5bb9\u53d6\u51b3\u4e8e\u8be5<code>STA<\/code>\u662f\u5426\u4f4d\u4e8e<code>AP<\/code>\u5185\u90e8<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.garfield-blog.top\/wp-content\/uploads\/2025\/12\/QoS-Info.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1469\" height=\"356\" data-original=\"https:\/\/www.garfield-blog.top\/wp-content\/uploads\/2025\/12\/QoS-Info.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-465\"  sizes=\"auto, (max-width: 1469px) 100vw, 1469px\" \/><\/div><\/figure>\n\n\n\n<p><strong>EDCA \u53c2\u6570\u96c6\u66f4\u65b0\u8ba1\u6570\u5b50\u5b57\u6bb5<\/strong>\uff1a<code>EDCA<\/code>\u673a\u5236\u4e3a\u4f7f\u7528\u516b\u79cd\u4e0d\u540c\u4e1a\u52a1\u4f18\u5148\u7ea7\u7684<code>STA<\/code>\u63d0\u4f9b\u5dee\u5f02\u5316\u7684\u5206\u5e03\u5f0f\u65e0\u7ebf\u4ecb\u8d28(<code>WM<\/code>)\u63a5\u5165\u3002\u8be5\u673a\u5236\u5b9a\u4e49\u4e86\u56db\u4e2a\u63a5\u5165\u7c7b\u522b(<code>AC<\/code>)\uff0c\u7528\u4e8e\u652f\u6301<code>STA<\/code>\u4f20\u8f93\u5177\u6709\u4e0d\u540c<code>UP<\/code>\u7684\u4e1a\u52a1\u3002\u5f53<code>dot11AlternateEDCAActivated<\/code>\u4e3a\u771f\u65f6\uff0c\u5b9a\u4e49\u516d\u4e2a\u53d1\u9001\u961f\u5217\uff1b\u5426\u5219\u5b9a\u4e49\u56db\u4e2a\u53d1\u9001\u961f\u5217<br><strong>Q-Ack \u5b50\u5b57\u6bb5\uff1a<\/strong> \u5f53<code>dot11QAckOptionImplemented<\/code>\u4e3a\u771f\u65f6\uff0c<code>AP<\/code>\u5c06<code>Q-Ack<\/code>\u5b50\u5b57\u6bb5\u7f6e\u4e3a<code>1<\/code>\uff0c\u5426\u5219\u7f6e\u4e3a<code>0<\/code><br><strong>Queue Request\u5b50\u5b57\u6bb5\uff1a<\/strong>\u5982\u679c<code>AP<\/code>\u80fd\u591f\u5904\u7406<code>QoS<\/code>\u6570\u636e\u5e27\u4e2d<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u5185\u7684\u975e\u96f6\u961f\u5217\u5927\u5c0f(<code>Queue Size<\/code>)\u5b50\u5b57\u6bb5\uff0c\u5219\u5c06\u961f\u5217\u8bf7\u6c42(<code>Queue Request<\/code>)\u5b50\u5b57\u6bb5\u7f6e\u4e3a<code>1<\/code>\uff0c\u5426\u5219\u7f6e\u4e3a<code>0<\/code><br><strong>TXOP Request\u5b50\u5b57\u6bb5\uff1a<\/strong> \u5982\u679c<code>AP<\/code>\u80fd\u591f\u5904\u7406<code>QoS<\/code>\u6570\u636e\u5e27\u4e2d<code>QoS<\/code>\u63a7\u5236\u5b57\u6bb5\u5185\u7684\u975e\u96f6<code>TXOP<\/code>\u8bf7\u6c42\u65f6\u957f(<code>TXOP Duration Requested<\/code>)\u5b50\u5b57\u6bb5\uff0c\u5219\u5c06<code>TXOP<\/code>\u8bf7\u6c42(<code>TXOP Request<\/code>)\u5b50\u5b57\u6bb5\u7f6e\u4e3a<code>1<\/code>\uff0c\u5426\u5219\u7f6e\u4e3a<code>0<\/code><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qos\u6570\u636e\u5e27\u4e0e\u975eQos\u6570\u636e\u5e27<\/h2>\n\n\n\n<p><code>IEEE 802.11<\/code>\u6807\u51c6\u4e2d\u7684<code>QoS<\/code>(<code>Quality of Service<\/code>\uff0c\u670d\u52a1\u8d28\u91cf)\u673a\u5236\u662f\u5728<code>802.11e<\/code>\u4fee\u6b63\u6848\u4e2d\u5f15\u5165\u7684\uff0c\u7528\u4e8e\u652f\u6301\u4e0d\u540c\u4f18\u5148\u7ea7\u7684\u6570\u636e\u4f20\u8f93(\u5982\u8bed\u97f3\u3001\u89c6\u9891\u3001\u666e\u901a\u6570\u636e\u7b49)\u3002\u5728\u8be5\u673a\u5236\u4e0b\uff0c\u6570\u636e\u5e27\u88ab\u5206\u4e3a<code>QoS<\/code>\u6570\u636e\u5e27\u548c\u975e<code>QoS<\/code>\u6570\u636e\u5e27\u3002\u4ee5\u4e0b\u662f\u5b83\u4eec\u7684\u76f8\u540c\u70b9\u4e0e\u4e0d\u540c\u70b9\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u76f8\u540c\u70b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u90fd\u5c5e\u4e8e\u6570\u636e\u5e27\u7c7b\u578b<\/strong><br><code>QoS<\/code>\u6570\u636e\u5e27\u548c\u975e<code>QoS<\/code>\u6570\u636e\u5e27\u90fd\u5c5e\u4e8e<code>IEEE 802.11 MAC<\/code>\u5e27\u4e2d\u7684\u201c\u6570\u636e\u5e27\u201d\u5b50\u7c7b\u578b<\/li>\n\n\n\n<li><strong>\u57fa\u672c\u5e27\u7ed3\u6784\u76f8\u4f3c<\/strong><br>\u4e24\u8005\u90fd\u5305\u542b\u6807\u51c6\u7684<code>MAC<\/code>\u5e27\u5934(<code>Frame Control<\/code>\u3001<code>Duration\/ID<\/code>\u3001\u5730\u5740\u5b57\u6bb5\u7b49)\u3001\u5e27\u4f53(<code>Payload<\/code>)\u548c<code>FCS<\/code>(\u5e27\u6821\u9a8c\u5e8f\u5217)<\/li>\n\n\n\n<li><strong>\u90fd\u53ef\u7528\u4e8e\u5355\u64ad\u3001\u7ec4\u64ad\u6216\u5e7f\u64ad\u901a\u4fe1<\/strong><br>\u4e24\u79cd\u5e27\u90fd\u53ef\u4ee5\u7528\u4e8e\u5411\u5355\u4e2a<code>STA<\/code>\u6216\u591a\u64ad\/\u5e7f\u64ad\u5730\u5740\u53d1\u9001\u6570\u636e<\/li>\n\n\n\n<li><strong>\u90fd\u652f\u6301\u52a0\u5bc6\u548c\u5b8c\u6574\u6027\u4fdd\u62a4(\u5982\u4f7f\u7528 WPA\/WPA2\/WPA3)<\/strong><br>\u5b89\u5168\u673a\u5236\u5bf9\u4e24\u7c7b\u5e27\u5747\u9002\u7528<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u540c\u70b9<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>\u975e QoS \u6570\u636e\u5e27<\/th><th>QoS \u6570\u636e\u5e27<\/th><\/tr><\/thead><tbody><tr><td><strong>\u662f\u5426\u5305\u542b QoS \u63a7\u5236\u5b57\u6bb5<\/strong><\/td><td>\u4e0d\u5305\u542b<\/td><td>\u5305\u542b(\u4f4d\u4e8e\u5730\u5740\u5b57\u6bb5\u4e4b\u540e\uff0c\u7d27\u63a5\u5728\u5e27\u5934\u4e2d)<\/td><\/tr><tr><td><strong>QoS \u63a7\u5236\u5b57\u6bb5\u5185\u5bb9<\/strong><\/td><td>\u65e0<\/td><td>\u5305\u542b<code>TID<\/code>(<code>Traffic Identifier\uff0c0\u20137<\/code>)\u3001<code>EOSP<\/code>\u3001<code>ACK Policy<\/code>\u3001<code>TXOP Limit<\/code>\u7b49<\/td><\/tr><tr><td><strong>\u652f\u6301\u591a\u4f18\u5148\u7ea7\u4f20\u8f93<\/strong><\/td><td>\u6240\u6709\u6d41\u91cf\u5e73\u7b49\u5904\u7406<\/td><td>\u652f\u6301<code>8<\/code>\u4e2a\u7528\u6237\u4f18\u5148\u7ea7(<code>UP<\/code>)\uff0c\u6620\u5c04\u5230\u4e0d\u540c\u7684<code>AC<\/code>(\u63a5\u5165\u7c7b\u522b\uff1a<code>AC_VO<\/code>,<code>AC_VI<\/code>,<code>AC_BE<\/code>,<code>AC_BK<\/code>)<\/td><\/tr><tr><td><strong>\u662f\u5426\u652f\u6301 A-MSDU \/ A-MPDU<\/strong><\/td><td>\u901a\u5e38\u4e0d\u652f\u6301(\u6216\u53d7\u9650)<\/td><td>\u652f\u6301(\u805a\u5408\u5e27\u5e38\u7528\u4e8e<code>QoS<\/code>\u6570\u636e\u5e27\u4ee5\u63d0\u9ad8\u6548\u7387)<\/td><\/tr><tr><td><strong>\u662f\u5426\u7528\u4e8e EDCA \u6216 HCCA<\/strong><\/td><td>\u4ec5\u4f7f\u7528<code>DCF<\/code>(\u5206\u5e03\u5f0f\u534f\u8c03\u529f\u80fd)<\/td><td>\u53ef\u7528\u4e8e<code>EDCA<\/code>(\u589e\u5f3a\u578b\u5206\u5e03\u5f0f\u4fe1\u9053\u8bbf\u95ee)\u6216<code>HCCA<\/code>(\u6df7\u5408\u534f\u8c03\u529f\u80fd\u63a7\u5236\u4fe1\u9053\u8bbf\u95ee)<\/td><\/tr><tr><td><strong>\u7535\u6e90\u7ba1\u7406\u652f\u6301<\/strong><\/td><td>\u57fa\u672c\u652f\u6301(\u901a\u8fc7<code>PS<\/code>\u4f4d)<\/td><td>\u66f4\u7cbe\u7ec6(\u901a\u8fc7<code>EOSP<\/code>\u4f4d\u6307\u793a\u670d\u52a1\u5468\u671f\u7ed3\u675f)<\/td><\/tr><tr><td><strong>\u5178\u578b\u5e94\u7528\u573a\u666f<\/strong><\/td><td>\u4f20\u7edf<code>Wi-Fi<\/code>\u8bbe\u5907\u3001\u4e0d\u652f\u6301<code>802.11e<\/code>\u7684\u8bbe\u5907<\/td><td>\u652f\u6301<code>WMM<\/code>(<code>Wi-Fi Multimedia<\/code>)\u7684\u73b0\u4ee3\u8bbe\u5907(\u5982<code>VoIP<\/code>\u3001\u89c6\u9891\u6d41)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5173\u952e\u5b57\u6bb5\u5dee\u5f02\u8bf4\u660e<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>QoS \u63a7\u5236\u5b57\u6bb5(2 \u5b57\u8282)<\/strong>\uff1a<\/li>\n\n\n\n<li><strong>TID(Traffic Identifier)<\/strong>\uff1a<code>3<\/code>\u4f4d\uff0c\u6807\u8bc6\u6d41\u91cf\u7c7b\u522b(<code>0\u20137<\/code>)\uff0c\u51b3\u5b9a\u5176\u6240\u5c5e\u7684<code>AC<\/code><\/li>\n\n\n\n<li><strong>EOSP(End of Service Period)<\/strong>\uff1a<code>1<\/code>\u4f4d\uff0c\u7528\u4e8e\u8282\u80fd\u6a21\u5f0f\uff0c\u8868\u793a\u5f53\u524d\u5e27\u662f\u670d\u52a1\u5468\u671f\u7684\u6700\u540e\u4e00\u5e27<\/li>\n\n\n\n<li><strong>Ack Policy<\/strong>\uff1a<code>2<\/code>\u4f4d\uff0c\u53ef\u6307\u5b9a\u662f\u5426\u9700\u8981<code>ACK<\/code>(\u4f8b\u5982\uff0c\u5bf9\u4e8e\u67d0\u4e9b\u9ad8\u4f18\u5148\u7ea7\u6d41\u53ef\u4f7f\u7528<code>No Ack<\/code>\u4ee5\u51cf\u5c11\u5f00\u9500)<\/li>\n\n\n\n<li><strong>TXOP Limit<\/strong>\uff1a\u5728<code>HCCA<\/code>\u6a21\u5f0f\u4e0b\u4f7f\u7528\uff0c\u6307\u793a\u6700\u5927<code>TXOP<\/code>\u957f\u5ea6<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p><code>QoS<\/code>\u7ec8\u7aef\u65e2\u80fd\u4f20\u8f93<code>QoS<\/code>\u6570\u636e\u5e27\uff0c\u4e5f\u80fd\u4f20\u8f93\u975e<code>QoS<\/code>\u6570\u636e\u5e27\u3002\u53ea\u8981\u975e<code>QoS<\/code>\u8bbe\u5907\u4f5c\u4e3a\u53d1\u9001\u65b9\u6216\u63a5\u6536\u65b9\u53c2\u4e0e\u901a\u4fe1\uff0c\u5c31\u5fc5\u987b\u4f7f\u7528\u975e<code>QoS<\/code>\u6570\u636e\u5e27\u3002\u5e7f\u64ad\u5e27\u9ed8\u8ba4\u4ee5\u975e<code>QoS<\/code>\u5e27\u7684\u5f62\u5f0f\u4f20\u8f93\uff1b\u4f46\u5982\u679c\u57fa\u672c\u670d\u52a1\u96c6\u4e2d\u7684\u6240\u6709\u7ec8\u7aef\u90fd\u652f\u6301<code>QoS<\/code>,\u53d1\u9001\u65b9\u5c06\u4f7f\u7528<code>QoS<\/code>\u5e27\u4f5c\u4e3a\u5e7f\u64ad\u5e27\u3002\u4e0e\u4e4b\u7c7b\u4f3c\uff0c\u591a\u64ad\u5e27\u9ed8\u8ba4\u4ee5\u975e<code>QoS<\/code>\u5e27\u7684\u5f62\u5f0f\u4f20\u8f93\uff1b\u4f46\u5982\u679c\u57fa\u672c\u670d\u52a1\u96c6\u4e2d\u5c5e\u4e8e\u591a\u64ad\u7ec4\u6210\u5458\u7684\u6240\u6709\u7ec8\u7aef\u90fd\u652f\u6301<code>QoS<\/code>,\u53d1\u9001\u65b9\u5c06\u4f7f\u7528<code>QoS<\/code>\u5e27\u4f5c\u4e3a\u591a\u64ad\u5e27\u3002\u5982\u4e0b\u8868<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53d1\u9001\u65b9<\/th><th>\u63a5\u6536\u65b9<\/th><th>\u4f7f\u7528\u7684\u6570\u636e\u5e27\u5b50\u7c7b\u578b<\/th><\/tr><\/thead><tbody><tr><td>\u975e<code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u975e<code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u7b80\u5355\u6570\u636e\u5e27(\u975e<code>Qos<\/code>)<\/td><\/tr><tr><td>\u975e<code>Qos<\/code>\u7ec8\u7aef<\/td><td><code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u7b80\u5355\u6570\u636e\u5e27(\u975e<code>Qos<\/code>)<\/td><\/tr><tr><td><code>Qos<\/code>\u7ec8\u7aef<\/td><td><code>Qos<\/code>\u7ec8\u7aef<\/td><td><code>Qos<\/code>\u6570\u636e\u5e27<\/td><\/tr><tr><td><code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u975e<code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u7b80\u5355\u6570\u636e\u5e27<\/td><\/tr><tr><td>\u975e<code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u5e7f\u64ad<\/td><td>\u7b80\u5355\u6570\u636e\u5e27<\/td><\/tr><tr><td>\u975e<code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u591a\u64ad<\/td><td>\u7b80\u5355\u6570\u636e\u5e27<\/td><\/tr><tr><td><code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u5e7f\u64ad<\/td><td>\u7b80\u5355\u6570\u636e\u5e27\uff1b\u5982\u679c\u57fa\u672c\u670d\u52a1\u96c6\u4e2d\u7684\u6240\u6709\u7ec8\u7aef\u90fd\u652f\u6301<code>QoS<\/code>,\u53d1\u9001\u65b9\u5c06\u4f7f\u7528<code>QoS<\/code>\u6570\u636e\u5e27<\/td><\/tr><tr><td><code>Qos<\/code>\u7ec8\u7aef<\/td><td>\u591a\u64ad<\/td><td>\u7b80\u5355\u6570\u636e\u5e27\uff1b\u5982\u679c\u57fa\u672c\u670d\u52a1\u96c6\u4e2d\u5c5e\u4e8e\u591a\u64ad\u7ec4\u7684\u6240\u6709\u7ec8\u7aef\u90fd\u652f\u6301<code>QoS<\/code>,\u53d1\u9001\u65b9\u5c06\u4f7f\u7528<code>QoS<\/code>\u6570\u636e\u5e27<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7a7a\u6570\u636e\u5e27\u548cQos\u7a7a\u5e27<\/h2>\n\n\n\n<p>\u5728<code>IEEE 802.11<\/code>\u534f\u8bae\u4e2d\uff0c\u7a7a\u6570\u636e\u5e27(<code>Null Data Frame<\/code>) \u548c<code>QoS<\/code>\u7a7a\u6570\u636e\u5e27(<code>QoS Null Data Frame<\/code>) \u662f\u4e24\u7c7b\u4e0d\u643a\u5e26\u4e0a\u5c42\u6570\u636e(\u5373<code>Frame Body<\/code>\u4e3a\u7a7a)\u7684\u7279\u6b8a\u6570\u636e\u5e27\u3002\u5b83\u4eec\u867d\u7136\u201c\u7a7a\u201d\uff0c\u4f46\u5728\u65e0\u7ebf\u7f51\u7edc\u4e2d\u626e\u6f14\u7740\u975e\u5e38\u91cd\u8981\u7684\u63a7\u5236\u548c\u7ba1\u7406\u89d2\u8272<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u8981\u7528\u9014<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u529f\u7387\u7ba1\u7406(<code>Power Management<\/code>)<\/li>\n\n\n\n<li>\u4fdd\u6301\u8fde\u63a5\/\u5fc3\u8df3\u673a\u5236<\/li>\n\n\n\n<li>\u89e6\u53d1\u4e0b\u884c\u6570\u636e\u4f20\u8f93(\u914d\u5408<code>PS-Poll<\/code>\u6216<code>U-APSD<\/code>)<\/li>\n\n\n\n<li>\u786e\u8ba4\u94fe\u8def\u6d3b\u8dc3\u6027(<code>Link Liveness<\/code>)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5173\u952e\u5b57\u6bb5\u5dee\u5f02<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5b57\u6bb5<\/th><th>\u7a7a\u6570\u636e\u5e27<\/th><th>QoS \u7a7a\u6570\u636e\u5e27<\/th><\/tr><\/thead><tbody><tr><td><code>Frame Body<\/code><\/td><td>\u65e0<\/td><td>\u65e0<\/td><\/tr><tr><td><code>QoS Control<\/code>\u5b57\u6bb5<\/td><td>\u4e0d\u5b58\u5728<\/td><td>\u5b58\u5728(<code>2<\/code>\u5b57\u8282)<\/td><\/tr><tr><td>\u652f\u6301<code>TID\/UP<\/code><\/td><td>\u4e0d\u652f\u6301<\/td><td>\u652f\u6301(\u7528\u4e8e\u533a\u5206\u4e1a\u52a1\u6d41)<\/td><\/tr><tr><td>\u652f\u6301<code>EOSP<\/code>\u4f4d<\/td><td>\u5426<\/td><td><code>End of Service Period<\/code>\uff0c\u7528\u4e8e<code>U-APSD<\/code><\/td><\/tr><tr><td>\u9002\u7528\u534f\u8bae<\/td><td><code>802.11<\/code>(\u539f\u59cb)<\/td><td><code>802.11e \/ WMM<\/code><\/td><\/tr><tr><td>\u662f\u5426\u53ef\u7528\u4e8e<code>U-APSD<\/code>\u89e6\u53d1<\/td><td>\u5426<\/td><td>\u662f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u6587\u6863<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u300a\u65e0\u7ebf\u5c40\u57df\u7f51\u6743\u5a01\u6307\u5357 \u7b2c\u4e94\u7248\u300b<\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/Garfield-1\/Books\/blob\/master\/11_802.11\u534f\u8bae\u89c4\u8303\/80211-2016.pdf\">80211-2016\u89c4\u8303<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u636e\u5e27\u6982\u8ff0 IEEE 802.11-2016\u6807\u51c6\u5b9a\u4e49\u4e8615\u79cd\u6570\u636e\u5e27\u5b50\u7c7b\u578b\uff0c\u6700\u5e38\u89c1\u7684\u4e24\u79cd\u6570\u636e\u5e27\u662f\u6570\u636e\u5b50\u7c7b\u578b(\u901a\u5e38 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[9,11],"tags":[],"class_list":["post-464","post","type-post","status-publish","format-standard","hentry","category-wifi","category-11"],"_links":{"self":[{"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=\/wp\/v2\/posts\/464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=464"}],"version-history":[{"count":1,"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=\/wp\/v2\/posts\/464\/revisions"}],"predecessor-version":[{"id":466,"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=\/wp\/v2\/posts\/464\/revisions\/466"}],"wp:attachment":[{"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.garfield-blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}