Time-domain modified DFT modulated filter banks for multi-carrier transceiver systems

doi:10.1016/S1005-8885(14)60286-7

中国邮电高校学报(英文) ›› 2014, Vol. 21 ›› Issue (2): 57-62.doi: 10.1016/S1005-8885(14)60286-7

Time-domain modified DFT modulated filter banks for multi-carrier transceiver systems

邵凯¹,计翔¹,庄陵¹,王光宇²

1. 重庆邮电大学
2. 重庆邮电大学通信与信息工程学院/移动通信技术重点实验室

收稿日期:2013-11-12 修回日期:2014-03-12 出版日期:2014-04-30 发布日期:2014-04-30
通讯作者: 计翔 E-mail:longyue1022@163.com
基金资助:
国家自然科学基金

Time-domain modified DFT modulated filter banks for multi-carrier transceiver systems

1. Chongqing Key Laboratory of Mobile Communications Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China 2. Department of Electronics and Communications Engineering, Tampere University of Technology, Tampere FI-33101, Finland

Received:2013-11-12 Revised:2014-03-12 Online:2014-04-30 Published:2014-04-30
Supported by:
Young Scientists Fund of Chongqing University of Posts and Telecommunications (A2013-32).

摘要/Abstract

摘要：

A time domain designing method is proposed for discrete Fourier transform (DFT) modulated filter banks (DFT-FBs) for application in multi-carrier transceiver systems. Instead of using the time-reversed pair limitation between the transmitting /receiving filter pair, the receiving filters in the proposed filter banks are derived from transmitting filters in accordance with the Moore-Penrose generalized inverse matrix. It can be freely obtained to design the transmitting prototype filter, which mainly affects the level of spectral containment. Furthermore, the symbol error rate (SER) performance of the proposed filter bank based trans-multiplexer with one tap equalizer is investigated in ideal channel and multi-path channel environments respectively. Simulation shows that the proposed approach can achieve significant SER reductions when square root raised cosine (RRC) prototype filter is used for comparing with the orthogonal frequency division multiplexing (OFDM) and the general DFT-FBs based applications.

关键词:

time-domain matrix, DFT filter banks, perfect reconstruction, filter bank multi-carrier (FBMC) systems, transceiver

Abstract:

Key words:

time-domain matrix, DFT filter banks, perfect reconstruction, filter bank multi-carrier (FBMC) systems, transceiver

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Time-domain modified DFT modulated filter banks for multi-carrier transceiver systems

Time-domain modified DFT modulated filter banks for multi-carrier transceiver systems

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