Optimal 2-Circular 16QAM constellation design

For high data rate transmission, high dimensional modulation is becoming one of preferred choice in the future mobile communication, while the much more signal amplitudes also have become one of the barriers to implement AGC and A/D transfer for the CDMA systems. Compared with the rectangular QAM co...

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Hauptverfasser:	Jiangbo Dong, Yongzhong Zou, Daoben Li
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Amplitude modulation AWGN channels Bit error rate Constellation diagram Design engineering Diversity reception Modulation coding Multiaccess communication Quadrature amplitude modulation Turbo codes
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creator	Jiangbo Dong Yongzhong Zou Daoben Li
description	For high data rate transmission, high dimensional modulation is becoming one of preferred choice in the future mobile communication, while the much more signal amplitudes also have become one of the barriers to implement AGC and A/D transfer for the CDMA systems. Compared with the rectangular QAM constellation, the circular QAM constellation has fewer kinds of amplitude, which may be of great benefit to the problem above. In this paper, the 2-Circular 16QAM constellation will be studied. From the point of view of decision region for every bit, the optimal design criteria for the 2-Circular 16QAM constellation, namely maximal minimum decision region criteria, is presented and verified by reduction to absurdity. Simulations are done in the LAS/CDMA system with turbo code over AWGN channel. The results indicate that the 2-Circular 16QAM constellation under the proposed design criteria has the best BER performance. What's more, under the same average transmit power the proposed constellation has fewer amplitude dynamic range.
doi_str_mv	10.1109/PIMRC.2003.1259098
format	Conference Proceeding
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Compared with the rectangular QAM constellation, the circular QAM constellation has fewer kinds of amplitude, which may be of great benefit to the problem above. In this paper, the 2-Circular 16QAM constellation will be studied. From the point of view of decision region for every bit, the optimal design criteria for the 2-Circular 16QAM constellation, namely maximal minimum decision region criteria, is presented and verified by reduction to absurdity. Simulations are done in the LAS/CDMA system with turbo code over AWGN channel. The results indicate that the 2-Circular 16QAM constellation under the proposed design criteria has the best BER performance. What's more, under the same average transmit power the proposed constellation has fewer amplitude dynamic range.</description><identifier>ISBN: 9780780378223</identifier><identifier>ISBN: 0780378229</identifier><identifier>DOI: 10.1109/PIMRC.2003.1259098</identifier><language>eng</language><publisher>IEEE</publisher><subject>Amplitude modulation ; AWGN channels ; Bit error rate ; Constellation diagram ; Design engineering ; Diversity reception ; Modulation coding ; Multiaccess communication ; Quadrature amplitude modulation ; Turbo codes</subject><ispartof>14th IEEE Proceedings on Personal, Indoor and Mobile Radio Communications, 2003. 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PIMRC 2003</title><addtitle>PIMRC</addtitle><description>For high data rate transmission, high dimensional modulation is becoming one of preferred choice in the future mobile communication, while the much more signal amplitudes also have become one of the barriers to implement AGC and A/D transfer for the CDMA systems. Compared with the rectangular QAM constellation, the circular QAM constellation has fewer kinds of amplitude, which may be of great benefit to the problem above. In this paper, the 2-Circular 16QAM constellation will be studied. From the point of view of decision region for every bit, the optimal design criteria for the 2-Circular 16QAM constellation, namely maximal minimum decision region criteria, is presented and verified by reduction to absurdity. Simulations are done in the LAS/CDMA system with turbo code over AWGN channel. The results indicate that the 2-Circular 16QAM constellation under the proposed design criteria has the best BER performance. What's more, under the same average transmit power the proposed constellation has fewer amplitude dynamic range.</description><subject>Amplitude modulation</subject><subject>AWGN channels</subject><subject>Bit error rate</subject><subject>Constellation diagram</subject><subject>Design engineering</subject><subject>Diversity reception</subject><subject>Modulation coding</subject><subject>Multiaccess communication</subject><subject>Quadrature amplitude modulation</subject><subject>Turbo codes</subject><isbn>9780780378223</isbn><isbn>0780378229</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2003</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotj9tKw0AURQdEUGp-QF_yA4lz5mRujyV4KbRURZ_LXE5kZExLJj749wbsZsN-W6zN2C3wFoDb-5fN7q1vBefYgpCWW3PBKqsNX4raCIFXrCrliy9BK43Ea9bsT3P6drkWTZ-m8JPdVIN6Xe_qcBzLTDm7OR3HOlJJn-MNuxxcLlSdd8U-Hh_e--dmu3_a9Ottk0DLuVFu8Bo0OYo-KidRxuhw6Iisd50eFGpQyndWeO_NIgakuJc-QBgQgsQVu_vnJiI6nKbFcPo9nE_hH4B4Qb8</recordid><startdate>2003</startdate><enddate>2003</enddate><creator>Jiangbo Dong</creator><creator>Yongzhong Zou</creator><creator>Daoben Li</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>2003</creationdate><title>Optimal 2-Circular 16QAM constellation design</title><author>Jiangbo Dong ; Yongzhong Zou ; Daoben Li</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-6afb717eaedbd6a535dda3f4ee9ba47f637166b492bbb88221e60b5bc1cf31c53</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Amplitude modulation</topic><topic>AWGN channels</topic><topic>Bit error rate</topic><topic>Constellation diagram</topic><topic>Design engineering</topic><topic>Diversity reception</topic><topic>Modulation coding</topic><topic>Multiaccess communication</topic><topic>Quadrature amplitude modulation</topic><topic>Turbo codes</topic><toplevel>online_resources</toplevel><creatorcontrib>Jiangbo Dong</creatorcontrib><creatorcontrib>Yongzhong Zou</creatorcontrib><creatorcontrib>Daoben Li</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jiangbo Dong</au><au>Yongzhong Zou</au><au>Daoben Li</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Optimal 2-Circular 16QAM constellation design</atitle><btitle>14th IEEE Proceedings on Personal, Indoor and Mobile Radio Communications, 2003. PIMRC 2003</btitle><stitle>PIMRC</stitle><date>2003</date><risdate>2003</risdate><volume>3</volume><spage>2162</spage><epage>2165 vol.3</epage><pages>2162-2165 vol.3</pages><isbn>9780780378223</isbn><isbn>0780378229</isbn><abstract>For high data rate transmission, high dimensional modulation is becoming one of preferred choice in the future mobile communication, while the much more signal amplitudes also have become one of the barriers to implement AGC and A/D transfer for the CDMA systems. Compared with the rectangular QAM constellation, the circular QAM constellation has fewer kinds of amplitude, which may be of great benefit to the problem above. In this paper, the 2-Circular 16QAM constellation will be studied. From the point of view of decision region for every bit, the optimal design criteria for the 2-Circular 16QAM constellation, namely maximal minimum decision region criteria, is presented and verified by reduction to absurdity. Simulations are done in the LAS/CDMA system with turbo code over AWGN channel. The results indicate that the 2-Circular 16QAM constellation under the proposed design criteria has the best BER performance. What's more, under the same average transmit power the proposed constellation has fewer amplitude dynamic range.</abstract><pub>IEEE</pub><doi>10.1109/PIMRC.2003.1259098</doi></addata></record>
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subjects	Amplitude modulation AWGN channels Bit error rate Constellation diagram Design engineering Diversity reception Modulation coding Multiaccess communication Quadrature amplitude modulation Turbo codes
title	Optimal 2-Circular 16QAM constellation design
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