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Traditionally, decode and forward (DF) and amplify and forward (AF) schemes are used for energy harvesting in three\u2010step two\u2010way relay networks (TWRNs). In this paper, piece\u2010wise and forward (PF) scheme are applied with power splitting for energy harvesting in TWRNs. In PF, the received signal from each source at relay is compared to an adaptive threshold, if the signal strength is above the threshold, the relay functions similar to DF scheme, otherwise, the relay transmits a particular combination of its received signals from the sources. Next, the outage performance of PF protocol in a three\u2010step TWRN is studied and optimal lossless energy saving (OLES) method are presented to minimise the outage probability by computing the optimum power splitting ratio. The simulation and analytical results indicate that the outage probability of PF can be significantly improved using OLES technique in comparison with other related relaying schemes. The results show that the outage probability of PF\u2010OLES is 13, 3, and  lower than AF\u2010OLES, DF\u2010OLES, and DAPS [1],\u00a0respectively.<\/jats:p>","DOI":"10.1049\/cmu2.12427","type":"journal-article","created":{"date-parts":[[2022,5,27]],"date-time":"2022-05-27T01:13:56Z","timestamp":1653614036000},"page":"1787-1796","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Outage minimisation for two\u2010way piece\u2010wise and forward (PF) relaying with SWIPT based energy harvesting"],"prefix":"10.1049","volume":"16","author":[{"given":"Farnaz","family":"Khodakhah","sequence":"first","affiliation":[{"name":"School of Electrical and Computer Engineering Shiraz University Shiraz Iran"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5755-0028","authenticated-orcid":false,"given":"Alireza","family":"Keshavarz\u2010Haddad","sequence":"additional","affiliation":[{"name":"School of Electrical and Computer Engineering Shiraz University Shiraz Iran"}]},{"given":"Ali","family":"Jamshidi","sequence":"additional","affiliation":[{"name":"School of Electrical and Computer Engineering Shiraz University Shiraz Iran"}]}],"member":"265","published-online":{"date-parts":[[2022,5,26]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2018.2839036"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2016.1500649CM"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2018.2826598"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2014.2340817"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2015.2415480"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2012.113012.120500"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2013.071813.130105"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2013.071913.130084"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2013.062413.122042"},{"key":"e_1_2_8_11_1","doi-asserted-by":"crossref","unstructured":"Nasir A.A. 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