Pilot Sequences Aided Spatial Modulation for Grant-Free Multiple Access Systems
Currently, grant-free multiple-access (GFMA) has been paid much attention, especially for a random access fading channel. This letter presents pilot sequences aided spatial modulation (SM) for GFMA systems, which can take advantages of spatial information and achieve well-behaved bit error rate (BER...
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| Veröffentlicht in: | IEEE communications letters 2023-12, Vol.27 (12), p.3345-3349 |
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| creator | Yang, Cheng-Yao Yu, Qi-Yue Zhang, Yi-Peng |
| description | Currently, grant-free multiple-access (GFMA) has been paid much attention, especially for a random access fading channel. This letter presents pilot sequences aided spatial modulation (SM) for GFMA systems, which can take advantages of spatial information and achieve well-behaved bit error rate (BER) performance with low detection complexity. We propose a sphere decoding (SD) based active user detection (AUD) algorithm, and then an interference cancellation with equalization (IC-EQ) multiuser detection (MUD) algorithm. Besides, we deduce the optimal threshold of the AUD algorithm, and investigate the complexity of the proposed algorithms. Simulation results show that our proposed system can simultaneously support 5 users, and the average BER is about 10−4, when E_{b}/N_{0} = 20 dB. At this moment, it has only 0.23 dB gap away from the optimal maximum likelihood detector (MLD), and the complexity reduces up to 71%, revealing the validity of our proposed schemes. |
| doi_str_mv | 10.1109/LCOMM.2023.3328902 |
| format | Article |
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This letter presents pilot sequences aided spatial modulation (SM) for GFMA systems, which can take advantages of spatial information and achieve well-behaved bit error rate (BER) performance with low detection complexity. We propose a sphere decoding (SD) based active user detection (AUD) algorithm, and then an interference cancellation with equalization (IC-EQ) multiuser detection (MUD) algorithm. Besides, we deduce the optimal threshold of the AUD algorithm, and investigate the complexity of the proposed algorithms. Simulation results show that our proposed system can simultaneously support 5 users, and the average BER is about 10−4, when <inline-formula> <tex-math notation="LaTeX">E_{b}/N_{0} = 20 </tex-math></inline-formula> dB. At this moment, it has only 0.23 dB gap away from the optimal maximum likelihood detector (MLD), and the complexity reduces up to 71%, revealing the validity of our proposed schemes.</description><identifier>ISSN: 1089-7798</identifier><identifier>EISSN: 1558-2558</identifier><identifier>DOI: 10.1109/LCOMM.2023.3328902</identifier><identifier>CODEN: ICLEF6</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>active user detection ; Algorithms ; Bit error rate ; channel estimation ; Complexity ; Complexity theory ; Grant-free multiple-access ; interference cancellation ; MIMO communication ; Modulation ; Multiple access ; Multiuser detection ; Partial transmit sequences ; Random access ; Receiving antennas ; Spatial data ; spatial modulation ; sphere decoding ; Transmitting antennas</subject><ispartof>IEEE communications letters, 2023-12, Vol.27 (12), p.3345-3349</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c247t-e428bec7a288844665f37f32645d6f0828ab9a5f483318fac487b7bfe3906b5b3</cites><orcidid>0000-0003-4360-5985 ; 0000-0001-9814-7286</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10304154$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/10304154$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Yang, Cheng-Yao</creatorcontrib><creatorcontrib>Yu, Qi-Yue</creatorcontrib><creatorcontrib>Zhang, Yi-Peng</creatorcontrib><title>Pilot Sequences Aided Spatial Modulation for Grant-Free Multiple Access Systems</title><title>IEEE communications letters</title><addtitle>LCOMM</addtitle><description>Currently, grant-free multiple-access (GFMA) has been paid much attention, especially for a random access fading channel. This letter presents pilot sequences aided spatial modulation (SM) for GFMA systems, which can take advantages of spatial information and achieve well-behaved bit error rate (BER) performance with low detection complexity. We propose a sphere decoding (SD) based active user detection (AUD) algorithm, and then an interference cancellation with equalization (IC-EQ) multiuser detection (MUD) algorithm. Besides, we deduce the optimal threshold of the AUD algorithm, and investigate the complexity of the proposed algorithms. Simulation results show that our proposed system can simultaneously support 5 users, and the average BER is about 10−4, when <inline-formula> <tex-math notation="LaTeX">E_{b}/N_{0} = 20 </tex-math></inline-formula> dB. At this moment, it has only 0.23 dB gap away from the optimal maximum likelihood detector (MLD), and the complexity reduces up to 71%, revealing the validity of our proposed schemes.</description><subject>active user detection</subject><subject>Algorithms</subject><subject>Bit error rate</subject><subject>channel estimation</subject><subject>Complexity</subject><subject>Complexity theory</subject><subject>Grant-free multiple-access</subject><subject>interference cancellation</subject><subject>MIMO communication</subject><subject>Modulation</subject><subject>Multiple access</subject><subject>Multiuser detection</subject><subject>Partial transmit sequences</subject><subject>Random access</subject><subject>Receiving antennas</subject><subject>Spatial data</subject><subject>spatial modulation</subject><subject>sphere decoding</subject><subject>Transmitting antennas</subject><issn>1089-7798</issn><issn>1558-2558</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkEtPwzAQhC0EEuXxBxAHS5xT_IydY1XRgtSoSIWz5SRrKVWaBNs59N_j0h647M5hvt3RIPREyZxSUrxultuynDPC-JxzpgvCrtCMSqkzlsZ10kQXmVKFvkV3IewJIZpJOkPbz7YbIt7BzwR9DQEv2gYavBttbG2Hy6GZuiSHHrvB47W3fcxWHgCXUxfbsQO8qBMW8O4YIhzCA7pxtgvweNn36Hv19rV8zzbb9cdysclqJlTMQDBdQa0s01oLkefSceU4y4VscpeyaVsVVjqhOafa2VpoVanKAS9IXsmK36OX893RDyl6iGY_TL5PLw0rCJU0V4QkFzu7aj-E4MGZ0bcH64-GEnMqzvwVZ07FmUtxCXo-Qy0A_AM4EVQK_gtXqGkh</recordid><startdate>20231201</startdate><enddate>20231201</enddate><creator>Yang, Cheng-Yao</creator><creator>Yu, Qi-Yue</creator><creator>Zhang, Yi-Peng</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-4360-5985</orcidid><orcidid>https://orcid.org/0000-0001-9814-7286</orcidid></search><sort><creationdate>20231201</creationdate><title>Pilot Sequences Aided Spatial Modulation for Grant-Free Multiple Access Systems</title><author>Yang, Cheng-Yao ; Yu, Qi-Yue ; Zhang, Yi-Peng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c247t-e428bec7a288844665f37f32645d6f0828ab9a5f483318fac487b7bfe3906b5b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>active user detection</topic><topic>Algorithms</topic><topic>Bit error rate</topic><topic>channel estimation</topic><topic>Complexity</topic><topic>Complexity theory</topic><topic>Grant-free multiple-access</topic><topic>interference cancellation</topic><topic>MIMO communication</topic><topic>Modulation</topic><topic>Multiple access</topic><topic>Multiuser detection</topic><topic>Partial transmit sequences</topic><topic>Random access</topic><topic>Receiving antennas</topic><topic>Spatial data</topic><topic>spatial modulation</topic><topic>sphere decoding</topic><topic>Transmitting antennas</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Cheng-Yao</creatorcontrib><creatorcontrib>Yu, Qi-Yue</creatorcontrib><creatorcontrib>Zhang, Yi-Peng</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE communications letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yang, Cheng-Yao</au><au>Yu, Qi-Yue</au><au>Zhang, Yi-Peng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pilot Sequences Aided Spatial Modulation for Grant-Free Multiple Access Systems</atitle><jtitle>IEEE communications letters</jtitle><stitle>LCOMM</stitle><date>2023-12-01</date><risdate>2023</risdate><volume>27</volume><issue>12</issue><spage>3345</spage><epage>3349</epage><pages>3345-3349</pages><issn>1089-7798</issn><eissn>1558-2558</eissn><coden>ICLEF6</coden><abstract>Currently, grant-free multiple-access (GFMA) has been paid much attention, especially for a random access fading channel. This letter presents pilot sequences aided spatial modulation (SM) for GFMA systems, which can take advantages of spatial information and achieve well-behaved bit error rate (BER) performance with low detection complexity. We propose a sphere decoding (SD) based active user detection (AUD) algorithm, and then an interference cancellation with equalization (IC-EQ) multiuser detection (MUD) algorithm. Besides, we deduce the optimal threshold of the AUD algorithm, and investigate the complexity of the proposed algorithms. Simulation results show that our proposed system can simultaneously support 5 users, and the average BER is about 10−4, when <inline-formula> <tex-math notation="LaTeX">E_{b}/N_{0} = 20 </tex-math></inline-formula> dB. At this moment, it has only 0.23 dB gap away from the optimal maximum likelihood detector (MLD), and the complexity reduces up to 71%, revealing the validity of our proposed schemes.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LCOMM.2023.3328902</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-4360-5985</orcidid><orcidid>https://orcid.org/0000-0001-9814-7286</orcidid></addata></record> |
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| ispartof | IEEE communications letters, 2023-12, Vol.27 (12), p.3345-3349 |
| issn | 1089-7798 1558-2558 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | active user detection Algorithms Bit error rate channel estimation Complexity Complexity theory Grant-free multiple-access interference cancellation MIMO communication Modulation Multiple access Multiuser detection Partial transmit sequences Random access Receiving antennas Spatial data spatial modulation sphere decoding Transmitting antennas |
| title | Pilot Sequences Aided Spatial Modulation for Grant-Free Multiple Access Systems |
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