{"corpus_id":120212229,"paper_sha":"3fc6cedaa8f3078e621cf53ab3cc3d0b11f6c5f8","doi":"10.1016/J.CJA.2015.09.008","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":1950001731,"dblp_id":null,"acl_id":null,"title":"Maximal capacity nonorthogonal pulse shape modulation","year":2015,"publication_date":"2015-10-31","venue":"","journal":{"name":"Chinese Journal of Aeronautics","pages":"1699-1708","volume":"28"},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Mathematics","Computer Science","Engineering"],"reference_count":27,"citation_count":3,"influential_citation_count":0,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":1,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"Abstract To improve spectral utilization of communication system, a novel nonorthogonal pulse shape modulation (NPSM) based on prolate spheroidal wave function (PSWF) is proposed. The modulation employs nonorthogonal PSWF pulses to transmit information and it shows a higher capacity than traditional orthogonal modulations. The NPSM capacity under the constraint of finite input alphabet, which is determined by parameters of PSWF pulse, is derived. An optimization model for maximal capacity of NPSM is constructed and an exhaustive self-adapting gradient search algorithm for the model is proposed. A practical NPSM scheme with the maximal capacity is obtained by this search algorithm and it is proved to be superior to orthogonal signaling in the capacity. Our theoretical analysis is validated by numerical simulations and practical tests, and the results show that NPSM outperforms orthogonal modulations in the capacity and has a lower Peak-to-Average Power Ratio.","claims":[{"public_id":"cl_0a92d4b76c022364b4d8cd0f2cac002e","status":"active","text":"A nonorthogonal pulse shape modulation scheme based on prolate spheroidal wave function pulses is proposed for transmitting information with higher capacity than traditional orthogonal modulations.","confidence":0.95,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["review"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ 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of nonorthogonal pulse shape modulation under a finite input alphabet constraint determined by prolate spheroidal wave function pulse parameters is derived.","confidence":0.94,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["review"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"}],"url":"https://sah.borca.ai/claims/cl_dc331486a8f1af3f9bcb9e477a0339c1"},{"public_id":"cl_e20e5246c282563845cc15e33e22e3e4","status":"active","text":"The maximal-capacity nonorthogonal pulse shape modulation scheme outperforms orthogonal modulations in capacity and has a lower peak-to-average power ratio in numerical simulations and practical 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