| 摘要: |
| 提出了一种将基于OFDM的数字信号和AM信号在同频带内传输的方案。对OFDM信号的分离及载波同步技术进行了深入的分析，提出了解决策略，并对整个方案进行了仿真。仿真结果表明，此方案能够实现数字信号和AM信号在同一频带内传输而互不干扰。 |
| 关键词: 数字广播 正交频分复用 调幅 软件无线电 同频带传输 |
| DOI：10.3969/j.issn.1001-893X. |
| Received:March 08, 2005Revised:August 12, 2005 |
| 基金项目: |
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| A Scheme for OFDM+AM Transmission at the Same Band: Research and Simulation |
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| Abstract: |
| A seheme is presented for OFDM digital signal and AM signal to transmit at the same band. The separation and carrier synchronization of OFDM signal is analysed, a solution is provided, and simulation is preformed. Simulation result shows that with this scheme, the digital signal and AM signal can be transmitted at the same band without interference on each other. |
| Key words: digital broadcasting OFDM AM software radio transmission at the same band |
