{"id":154,"date":"2018-08-03T05:02:11","date_gmt":"2018-08-02T21:02:11","guid":{"rendered":"http:\/\/www.xzclass.com\/?p=154"},"modified":"2022-03-01T15:03:18","modified_gmt":"2022-03-01T07:03:18","slug":"%e5%9b%be%e8%a7%a35gnr%e5%b8%a7%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"http:\/\/www.xzclass.com\/?p=154","title":{"rendered":"\u56fe\u89e35GNR\u5e27\u7ed3\u6784"},"content":{"rendered":"
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\u5b50\u8f7d\u6ce2\u95f4\u9694<\/span><\/strong><\/p>\n<\/section>\n<\/section>\n

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\u4e0eLTE\uff08\u5b50\u8f7d\u6ce2\u95f4\u9694\u548c\u7b26\u53f7\u957f\u5ea6\uff09\u76f8\u6bd4\uff0c NR\u652f\u6301\u591a\u79cd\u5b50\u8f7d\u6ce2\u95f4\u9694\uff08\u5728LTE\u4e2d\uff0c\u53ea\u670915 Khz\u8fd9\u79cd\u5b50\u8f7d\u6ce2\u95f4\u9694\uff09\u3002<\/span><\/p>\n

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\u57283GPP38.211\u4e2d\uff0c\u6709\u5173\u4e8eNR\u5b50\u8f7d\u6ce2\u95f4\u9694\u7c7b\u578b\u7684\u603b\u7ed3\u3002<\/span><\/p>\n

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\u5177\u4f53\u7684\u5b50\u8f7d\u6ce2\u95f4\u9694\u7c7b\u578b\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n

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\u56fe<\/span>1.1 NR<\/span>\u652f\u6301\u7684\u5b50\u8f7d\u6ce2\u95f4\u9694\u7c7b\u578b<\/span><\/span><\/p>\n

\uff08\u9891\u57df\u4e0a\uff0c<\/span>1<\/span>\u4e2a<\/span>RB=12<\/span>\u4e2a\u5b50\u8f7d\u6ce2\u95f4\u9694\uff09<\/span><\/span><\/p>\n


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\u65f6\u9699\u957f\u5ea6<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n

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\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u65f6\u9699\u957f\u5ea6\u56e0\u4e3a\u5b50\u8f7d\u6ce2\u95f4\u9694\u4e0d\u540c\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u4e00\u822c\u662f\u968f\u7740\u5b50\u8f7d\u6ce2\u95f4\u9694\u53d8\u5927\uff0c\u65f6\u9699\u957f\u5ea6\u53d8\u5c0f\u3002<\/span><\/p>\n


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\u56fe<\/span>2.1 <\/span>\u6b63\u5e38<\/span>CP<\/span>\u60c5\u51b5\u4e0b\u65f6\u9699\u7684\u957f\u5ea6<\/span><\/span><\/p>\n

\uff08\u6bcf\u4e2a\u65f6\u9699\u6709<\/span>14<\/span>\u4e2a\u7b26\u53f7\uff09<\/span><\/span><\/p>\n


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\u56fe<\/span>2.2 <\/span>\u6269\u5c55<\/span>CP<\/span>\u60c5\u51b5\u4e0b\u65f6\u9699\u7684\u957f\u5ea6<\/span><\/span><\/p>\n

\uff08\u6bcf\u4e2a\u65f6\u9699\u6709<\/span>12<\/span>\u4e2a\u7b26\u53f7\uff09<\/span><\/span><\/p>\n


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\u652f\u6301\u4fe1\u9053\u7684\u80fd\u529b<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n

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\u4e0d\u540c\u7684\u5b50\u8f7d\u6ce2\u95f4\u9694\u652f\u6301\u7269\u7406\u4fe1\u9053\u7684\u80fd\u529b\u4e0d\u540c\uff0c\u5177\u4f53\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n


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\u56fe<\/span>3.1 <\/span>\u652f\u6301\u7269\u7406\u4fe1\u9053\u7684\u80fd\u529b<\/span><\/span><\/p>\n


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OFDM\u7b26\u53f7\u957f\u5ea6<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n

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\u56fe<\/span>4.1 OFDM<\/span>\u7b26\u53f7\u957f\u5ea6\u8ba1\u7b97<\/span><\/span><\/p>\n


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\u65e0\u7ebf\u5e27\u7ed3\u6784<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n

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\u867d\u7136<\/span>5GNR<\/span>\u652f\u6301\u591a\u79cd\u5b50\u8f7d\u6ce2\u95f4\u9694\uff0c\u4f46\u662f\u4e0d\u540c\u5b50\u8f7d\u6ce2\u95f4\u9694\u914d\u7f6e\u4e0b\uff0c\u65e0\u7ebf\u5e27\u548c\u5b50\u5e27\u7684\u957f\u5ea6\u662f\u76f8\u540c\u7684\u3002\u65e0\u7ebf\u5e27\u957f\u5ea6\u4e3a<\/span>10ms<\/span>\uff0c\u5b50\u5e27\u957f\u5ea6\u4e3a<\/span>1ms<\/span>\u3002<\/span><\/p>\n


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\u90a3\u4e48\u4e0d\u540c\u5b50\u8f7d\u6ce2\u95f4\u9694\u914d\u7f6e\u4e0b\uff0c\u65e0\u7ebf\u5e27\u7684\u7ed3\u6784\u6709\u54ea\u4e9b\u4e0d\u540c\u5462\uff1f\u7b54\u6848\u662f\u6bcf\u4e2a\u5b50\u5e27\u4e2d\u5305\u542b\u7684\u65f6\u9699\u6570\u4e0d\u540c\u3002\u5728\u6b63\u5e38<\/span>CP<\/span>\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u65f6\u9699\u5305\u542b\u7684\u7b26\u53f7\u6570\u76f8\u540c\uff0c\u4e14\u90fd\u4e3a<\/span>14<\/span>\u4e2a\u3002<\/span><\/p>\n


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    \u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=15Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n

    <\/p>\n

    \u5728\u8fd9\u4e2a\u914d\u7f6e\u4e2d\uff0c\u4e00\u4e2a\u5b50\u5e27\u4ec5\u67091\u4e2a\u65f6\u9699\uff0c\u6240\u4ee5\u65e0\u7ebf\u5e27\u5305\u542b10\u4e2a\u65f6\u9699\u3002\u4e00\u4e2a\u65f6\u9699\u5305<\/span><\/p>\n

    \u542b\u7684OFDM\u7b26\u53f7\u6570\u4e3a14\u3002<\/span><\/p>\n

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    \u56fe<\/span>5.1 <\/span>\u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=15Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/span><\/p>\n


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      \u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=30Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n


      <\/span><\/strong><\/span><\/p>\n

      \u5728\u8fd9\u4e2a\u914d\u7f6e\u4e2d\uff0c\u4e00\u4e2a\u5b50\u5e27\u67092\u4e2a\u65f6\u9699\uff0c\u6240\u4ee5\u65e0\u7ebf\u5e27\u5305\u542b20\u4e2a\u65f6\u9699\u30021\u4e2a\u65f6\u9699\u5305<\/span><\/p>\n

      \u542b\u7684OFDM\u7b26\u53f7\u6570\u4e3a14\u3002<\/span><\/p>\n


      <\/span><\/strong><\/span><\/p>\n

      <\/p>\n

      \u56fe<\/span>5.2 <\/span>\u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=30Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/span><\/span><\/strong><\/span><\/p>\n

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        \u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=60Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/strong><\/p>\n<\/li>\n<\/ul>\n


        <\/span><\/strong><\/p>\n

        \u5728\u8fd9\u4e2a\u914d\u7f6e\u4e2d\uff0c\u4e00\u4e2a\u5b50\u5e27\u67094\u4e2a\u65f6\u9699\uff0c\u6240\u4ee5\u65e0\u7ebf\u5e27\u5305\u542b40\u4e2a\u65f6\u9699\u30021\u4e2a\u65f6\u9699\u5305\u542b<\/span><\/p>\n

        \u7684OFDM\u7b26\u53f7\u6570\u4e3a14\u3002<\/span><\/p>\n

        <\/p>\n

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        \u56fe<\/span>5.3 <\/span>\u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=60Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/span><\/p>\n


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          \u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=120Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n


          <\/span><\/strong><\/span><\/p>\n

          \u5728\u8fd9\u4e2a\u914d\u7f6e\u4e2d\uff0c\u4e00\u4e2a\u5b50\u5e27\u67098\u4e2a\u65f6\u9699\uff0c\u6240\u4ee5\u65e0\u7ebf\u5e27\u5305\u542b80\u4e2a\u65f6\u9699\u30021\u4e2a\u65f6\u9699\u5305\u542b<\/span><\/p>\n

          \u7684OFDM\u7b26\u53f7\u6570\u4e3a14\u3002<\/span><\/p>\n

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          \u56fe<\/span>5.4 <\/span>\u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=120Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/span><\/p>\n


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            \u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=240Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n


            <\/span><\/strong><\/span><\/p>\n

            \u5728\u8fd9\u4e2a\u914d\u7f6e\u4e2d\uff0c\u4e00\u4e2a\u5b50\u5e27\u670916\u4e2a\u65f6\u9699\uff0c\u6240\u4ee5\u65e0\u7ebf\u5e27\u5305\u542b160\u4e2a\u65f6\u9699\u30021\u4e2a\u65f6\u9699\u5305<\/span><\/p>\n

            \u542b\u7684OFDM\u7b26\u53f7\u6570\u4e3a14\u3002<\/span><\/p>\n

            <\/p>\n

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            \u56fe<\/span>5.5 <\/span>\u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=240Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/span><\/p>\n


            <\/span><\/p>\n

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              \u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=480Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n


              <\/span><\/strong><\/span><\/p>\n

              \u5728\u8fd9\u4e2a\u914d\u7f6e\u4e2d\uff0c\u4e00\u4e2a\u5b50\u5e27\u670932\u4e2a\u65f6\u9699\uff0c\u6240\u4ee5\u65e0\u7ebf\u5e27\u5305\u542b320\u4e2a\u65f6\u9699\u30021\u4e2a\u65f6\u9699\u5305<\/span><\/p>\n

              \u542b\u7684OFDM\u7b26\u53f7\u6570\u4e3a14\u3002<\/span><\/p>\n


              <\/span><\/strong><\/span><\/p>\n

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              \u56fe<\/span>5.6 <\/span>\u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=480Khz<\/span>\uff08\u6b63\u5e38<\/span>CP<\/span>\uff09<\/span><\/span><\/p>\n


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                \u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=60Khz<\/span>\uff08\u6269\u5c55<\/span>CP<\/span>\uff09<\/span><\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n


                <\/strong><\/span><\/p>\n

                \u5728\u8fd9\u4e2a\u914d\u7f6e\u4e2d\uff0c\u4e00\u4e2a\u5b50\u5e27\u67094\u4e2a\u65f6\u9699\uff0c\u6240\u4ee5\u65e0\u7ebf\u5e27\u5305\u542b40\u4e2a\u65f6\u9699\u30021\u4e2a\u65f6\u9699\u5305\u542b<\/span><\/p>\n

                \u7684OFDM\u7b26\u53f7\u6570\u4e3a12\u3002<\/span><\/p>\n

                <\/p>\n

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                \u56fe<\/span>5.7 <\/span>\u5b50\u8f7d\u6ce2\u95f4\u9694<\/span>=60Khz<\/span>\uff08\u6269\u5c55<\/span>CP<\/span>\uff09<\/span><\/p>\n


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                \u65f6\u9699\u683c\u5f0f<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n

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                3GPP 38.211\uff08\u4ece2.0.0\u5f00\u59cb\uff09\u5b9a\u4e49\u4e86\u8bb8\u591a\u4e0d\u540c\u7684\u65f6\u9699\u683c\u5f0f\u3002\u8fd9\u79cd\u6982\u5ff5\u4e0e\u4f20\u7edf\u7684LTE TDD\u5b50\u5e27\u914d\u7f6e\u76f8\u7c7b\u4f3c\uff0c\u4f46\u662f\u53c8\u6709\u5f88\u591a\u4e0d\u540c\u70b9\uff1a<\/span><\/p>\n

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                <\/p>\n

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                <\/p>\n

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