{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T23:46:49Z","timestamp":1762300009897,"version":"3.41.0"},"reference-count":25,"publisher":"Association for Computing Machinery (ACM)","issue":"2","license":[{"start":{"date-parts":[[2022,3,10]],"date-time":"2022-03-10T00:00:00Z","timestamp":1646870400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["61801524"],"award-info":[{"award-number":["61801524"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Fundamental Research Funds for the Central Universities-SCUEC","award":["CZQ20005"],"award-info":[{"award-number":["CZQ20005"]}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["J. Emerg. Technol. Comput. Syst."],"published-print":{"date-parts":[[2022,4,30]]},"abstract":"<jats:p>\n            For the biomedical transceiver, the data transmission is often asymmetric. At the downlink, the transceiver only needs to receive a simple command to control the operation of the external device, and the receiving data rate is low, about hundreds of Kb\/s. However, data collected by external devices such as temperature sensors, pressure sensors, or cameras are often very large, which results in a transmitting data rate of several Mb\/s. Therefore, a high energy-efficient modulator is needed. Compared with conventional digital modulator, analog modulator circuits have demonstrated superior energy efficiency at high data rates. This article presents a quasi-digital quadrature phase-shift keying (QPSK) modulator design realized by pure analog circuits which follows a logic design flow. The simulation results show that the system can generate a stable carrier of 64 MHz that meets intra-body communications (IBCs) requirements with a data transmission rate of 10 Mb\/s. When the signal-to-noise ratios (SNRs) of the Gaussian channel is 14 dB, it can still maintain a bit error rate (BER) below 10\n            <jats:sup>4<\/jats:sup>\n            .\n          <\/jats:p>","DOI":"10.1145\/3465379","type":"journal-article","created":{"date-parts":[[2022,3,10]],"date-time":"2022-03-10T14:06:32Z","timestamp":1646921192000},"page":"1-16","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["A Quasi-digital QPSK Modulator Design for Biomedical Devices"],"prefix":"10.1145","volume":"18","author":[{"given":"Dawei","family":"Li","sequence":"first","affiliation":[{"name":"South Central University for Nationalities, Wuhan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2040-032X","authenticated-orcid":false,"given":"Yang","family":"Zhou","sequence":"additional","affiliation":[{"name":"South Central University for Nationalities, Wuhan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shaopin","family":"Chen","sequence":"additional","affiliation":[{"name":"South Central University for Nationalities, Wuhan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaowei","family":"Xu","sequence":"additional","affiliation":[{"name":"Guangdong Cardiovascular Institute, Guangzhou, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2022,3,10]]},"reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2015.2480854"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1088\/1741-2552\/aa6557"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2009.2032592"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/ISICIR.2014.7029492"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2014.2328343"},{"key":"e_1_3_1_7_2","doi-asserted-by":"publisher","DOI":"10.1109\/ISCAS.2019.8702358"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2018.2810213"},{"key":"e_1_3_1_9_2","doi-asserted-by":"publisher","DOI":"10.1038\/nn.3905"},{"key":"e_1_3_1_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.vlsi.2019.02.003"},{"key":"e_1_3_1_11_2","doi-asserted-by":"publisher","DOI":"10.1109\/MIM.2020.9126074"},{"key":"e_1_3_1_12_2","doi-asserted-by":"publisher","DOI":"10.1109\/ASSCC.2014.7008910"},{"key":"e_1_3_1_13_2","doi-asserted-by":"publisher","DOI":"10.1109\/TBCAS.2015.2403282"},{"key":"e_1_3_1_14_2","volume-title":"Design of Analog CMOS Integrated Circuits","author":"Razavi Behzad","year":"2002","unstructured":"Behzad Razavi. 2002. 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