ieee802.11信道編解碼及交織解交織的fpga實(shí)現(xiàn)

1、中南民族大學(xué)碩士學(xué)位論文IEEE 802.11信道編解碼及交織解交織的FPGA實(shí)現(xiàn)姓名：李軍申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：陳少平20070512化工化纖生產(chǎn)過(guò)程中幾種化學(xué)及物理檢驗(yàn)方法研究 Abstract With the deep study of error correction encoding theory, error correction code has been widely used in prac

2、tice. As an important error correction code, convolutional code has been applied to many communication systems. (2，1，7) convolutional code is an optimal short restricted length code and easy to implement, and that it has

3、 strong error correction ability. The thesis has studied the implementation of convolutional encoding, interleaving and deinterleaving of (2，1，7) convolutional code in IEEE 802.11 protocol especially the implementation o

4、f high speed soft judgment viterbi decoding. In this thesis, IEEE 802.11 standard is firstly introduced. Convolutional code and viterbi decoding algorithm of channel coding/decoding and the FPGA design method are then il

5、lustrated. After idiographic analyzation of (2，1，7) convolutional code, learning the advantages of current viterbi decoding, interleaving and deinterleaving algorithms and taking a series of improved measures, channel co

6、der/decoder and interleaver/deinterleaver system with IEEE 802.11 is implemented based on FPGA. These improved measures include the parallel FIFO, improved ACS unit, pipelining block processing structure, improved SMDO m

7、ethod, and dual interleaving strategy, which will greatly improve the system performance at the same clock frequency. The program is downloaded to the FPGA(EP1C6Q240C8 device) of Cyclone series of Altera corporation in t