无线电工程
無線電工程
무선전공정
RADIO ENGINEERING OF CHINA
2015年
8期
39-42
,共4页
PCMA%参数估计%干扰抵消%信号分离
PCMA%參數估計%榦擾牴消%信號分離
PCMA%삼수고계%간우저소%신호분리
PCMA%parameter estimation%interference cancellation%signal separation
成对载波多址（ Paired Carry Multiple Access， PCMA）是一种新兴的频率重用技术，通过对自干扰信号的重构和抑制能够有效提高系统容量，其关键技术在于自干扰信号的参数估计。通过分析 PCMA 自干扰信号抵消原理，建立PCMA系统传输模型，并在此基础上提出了PCMA自干扰信号的参数估计方法，包括时延估计、频率估计、相位估计和幅度估计。对PCMA信号进行了分离解调仿真，仿真结果验证了算法的可行性。
成對載波多阯（ Paired Carry Multiple Access， PCMA）是一種新興的頻率重用技術，通過對自榦擾信號的重構和抑製能夠有效提高繫統容量，其關鍵技術在于自榦擾信號的參數估計。通過分析 PCMA 自榦擾信號牴消原理，建立PCMA繫統傳輸模型，併在此基礎上提齣瞭PCMA自榦擾信號的參數估計方法，包括時延估計、頻率估計、相位估計和幅度估計。對PCMA信號進行瞭分離解調倣真，倣真結果驗證瞭算法的可行性。
성대재파다지（ Paired Carry Multiple Access， PCMA）시일충신흥적빈솔중용기술，통과대자간우신호적중구화억제능구유효제고계통용량，기관건기술재우자간우신호적삼수고계。통과분석 PCMA 자간우신호저소원리，건립PCMA계통전수모형，병재차기출상제출료PCMA자간우신호적삼수고계방법，포괄시연고계、빈솔고계、상위고계화폭도고계。대PCMA신호진행료분리해조방진，방진결과험증료산법적가행성。
The paired Carrier Multiple Access( PCMA) is a newly?emerged frequency re?use technology and the technology can efficiently increase the system capacity by rebuilding and suppressing the self?interference signal.The key technology lies in the estima?tion of the self?interference signal parameters.The transfer model of PCMA system is established in the paper by analyzing the cancella?tion principle of self?interference signal and the parameter estimation methods are proposed, which includes time delay estimation, frequency estimation,phase estimation and amplitude estimation.Finally,the effectiveness of the algorithms is verified by the separation demodulation simulation results and the algorithms provide the theoretical basis for practical application.
