Architectural design of a Radix-4 CORDIC-based Radix-4 IFFT algorithm and its FPGA implementation

Kaushik Bhattacharyya; Anindya Hazra; Indranil Hatai; Swapna Banerjee

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Architectural design of a Radix-4 CORDIC-based Radix-4 IFFT algorithm and its FPGA implementation

机译：基于Radix-4 CORDIC的Radix-4 IFFT算法的体系结构设计及其FPGA实现

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In high speed applications, it is wise to use Radix-4 algorithm, when the number of data points is the power of four, instead of using the conventional Radix-2 algorithm. In this paper a CORDIC based almost multiplier less architecture for a 16 point Radix-4 IFFT is presented. With the concurrent use of pipelining and parallelism, the advantages of minimisation of latency time and the increment of the throughput rate is achieved. The whole Radix-4 CORDIC-based Radix-4 IFFT architecture is implemented on an FPGA device with the accuracy up to 32-bit precision operating frequency at 55 MHz making it suitable for real-time applications.

机译：在高速应用中，明智的做法是使用Radix-4算法（当数据点数为4的幂时），而不是使用常规Radix-2算法。本文提出了一种基于CORDIC的几乎无乘法器的16点Radix-4 IFFT架构。通过同时使用流水线和并行性，可以实现延迟时间最小化和吞吐率提高的优点。整个基于Radix-4基于CORDIC的Radix-4 IFFT架构在FPGA器件上实现，在55 MHz时的精度高达32位精度工作频率，使其适合于实时应用。

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来源
《International Journal of Signal and Imaging Systems Engineering》 |2009年第4期|共15页
作者
Kaushik Bhattacharyya; Anindya Hazra; Indranil Hatai; Swapna Banerjee;
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正文语种 eng
中图分类信号处理;
关键词
CORDIC; FPGA implementation; High bit accuracy; IFFT architecture; Pipelining; Parallelism; Radix-4; Real time applications;

机译：CORDIC;FPGA实现;高精度;IFFT体系结构;流水线;并行性;Radix-4;实时应用;

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1. Architectural design of a Radix-4 CORDIC-based Radix-4 IFFT algorithm and its FPGA implementation [J] . Kaushik Bhattacharyya, Anindya Hazra, Indranil Hatai, International Journal of Signal and Imaging Systems Engineering . 2009,第4期

机译：基于Radix-4 CORDIC的Radix-4 IFFT算法的体系结构设计及其FPGA实现
2. Design and Implementation of 256-Point Radix-4 100 Gbit/s FFT Algorithm into FPGA for High-Speed Applications [J] . Polat Gokhan, Ozturk Sitki, Yakut Mehmet ETRI journal . 2015,第4期

机译：高速应用中FPGA的256点Radix-4 100 Gbit / s FFT算法的设计与实现
3. Design and Implementation of 256-Point Radix-4 100 Gbit/s FFT Algorithm into FPGA for High-Speed Applications [J] . Gokhan Polat, Sitki Ozturk, Mehmet Yakut ETRI journal . 2015,第4期

机译：高速应用中256点Radix-4 100 Gbit / s FFT算法在FPGA中的设计与实现
4. FPGA implementation of a CORDIC-based radix-4 FFT processor for real-time harmonic analyzer [C] . Gong Ren-Xi, Wei Jiong-Quan, Sun Dan, 2011 Seventh International Conference on Natural Computation . 2011

机译：用于实时谐波分析仪的基于CORDIC的radix-4 FFT处理器的FPGA实现
5. Efficient algorithm and architecture for implementation of multiplier circuits in modern FPGAs. [D] . Athow, Jacques Laurent. 2008

机译：在现代FPGA中实现乘法器电路的高效算法和架构。
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7. FPGA Implementation of Ultrasonic S-Scan Coordinate Conversion Based on Radix-4 CORDIC Algorithm [O] . Ruobo Lin, Guixiong Liu, Wenming Tang 2015

机译：基于基于基于基于基于基于基于基于基于速率的CORDIC算法，FPGA实现超声S扫描坐标转换

Architectural design of a Radix-4 CORDIC-based Radix-4 IFFT algorithm and its FPGA implementation

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