{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T17:18:38Z","timestamp":1740158318546,"version":"3.37.3"},"reference-count":25,"publisher":"Wiley","license":[{"start":{"date-parts":[[2015,1,1]],"date-time":"2015-01-01T00:00:00Z","timestamp":1420070400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61201126","NCET-11-0058","2012JQ0020"],"award-info":[{"award-number":["61201126","NCET-11-0058","2012JQ0020"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004602","name":"Program for New Century Excellent Talents in University","doi-asserted-by":"publisher","award":["61201126","NCET-11-0058","2012JQ0020"],"award-info":[{"award-number":["61201126","NCET-11-0058","2012JQ0020"]}],"id":[{"id":"10.13039\/501100004602","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Program for Sichuan Youth Science and Technology Fund","award":["61201126","NCET-11-0058","2012JQ0020"],"award-info":[{"award-number":["61201126","NCET-11-0058","2012JQ0020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Electrical and Computer Engineering"],"published-print":{"date-parts":[[2015]]},"abstract":"<jats:p>Fast frequency hopping (FFH) is commonly used as an antijamming communication method. In this paper, we propose efficient adaptive jamming suppression schemes for binary phase shift keying (BPSK) based coherent FFH system, namely, weighted equal gain combining (W-EGC) with the optimum and suboptimum weighting coefficient. We analyze the bit error ratio (BER) of EGC and W-EGC receivers with partial band noise jamming (PBNJ), frequency selective Rayleigh fading, and channel estimation errors. Particularly, closed-form BER expressions are presented with diversity order two. Our analysis is verified by simulations. It is shown that W-EGC receivers significantly outperform EGC. As compared to the maximum likelihood (ML) receiver in conventional noncoherent frequency shift keying (FSK) based FFH, coherent FFH\/BPSK W-EGC receivers also show significant advantages in terms of BER. Moreover, W-EGC receivers greatly reduce the hostile jammers\u2019 jamming efficiency.<\/jats:p>","DOI":"10.1155\/2015\/687874","type":"journal-article","created":{"date-parts":[[2015,3,22]],"date-time":"2015-03-22T17:06:32Z","timestamp":1427043992000},"page":"1-8","source":"Crossref","is-referenced-by-count":2,"title":["Adaptive Jamming Suppression in Coherent FFH System Using Weighted Equal Gain Combining Receiver over Fading Channels with Imperfect CSI"],"prefix":"10.1155","volume":"2015","author":[{"given":"Yishan","family":"He","sequence":"first","affiliation":[{"name":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China"}]},{"given":"Yufan","family":"Cheng","sequence":"additional","affiliation":[{"name":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China"}]},{"given":"Gang","family":"Wu","sequence":"additional","affiliation":[{"name":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China"}]},{"given":"Binhong","family":"Dong","sequence":"additional","affiliation":[{"name":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China"}]},{"given":"Shaoqian","family":"Li","sequence":"additional","affiliation":[{"name":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1109\/tifs.2013.2264053"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1109\/twc.2013.072313.121040"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1109\/26.737392"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2008.080189"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2009.10.080114"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2011.121410.100016"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1049\/iet-com.2012.0050"},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1109\/25.752571"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1109\/49.136068"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1109\/49.136066"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1109\/26.476101"},{"key":"12","doi-asserted-by":"publisher","DOI":"10.1109\/4234.585798"},{"key":"13","doi-asserted-by":"publisher","DOI":"10.1049\/el:19980655"},{"key":"14","doi-asserted-by":"publisher","DOI":"10.1109\/25.950321"},{"key":"15","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2005.858022"},{"key":"16","doi-asserted-by":"publisher","DOI":"10.1109\/tvt.2007.912604"},{"key":"17","doi-asserted-by":"publisher","DOI":"10.1049\/iet-com.2009.0708"},{"issue":"12","key":"18","first-page":"1320","volume":"35","year":"1988","journal-title":"IEEE Transactions on Communications"},{"issue":"1","key":"19","first-page":"42","volume":"6","year":"2001","journal-title":"Tsinghua Science & Technology"},{"key":"20","doi-asserted-by":"publisher","DOI":"10.1049\/ip-com:20045085"},{"key":"21","doi-asserted-by":"publisher","DOI":"10.1109\/lcomm.2014.2385852"},{"key":"22","doi-asserted-by":"publisher","DOI":"10.1007\/s11434-014-0600-3"},{"key":"23","doi-asserted-by":"publisher","DOI":"10.1109\/twc.2005.853834"},{"key":"24","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2005.02003"},{"key":"25","doi-asserted-by":"publisher","DOI":"10.1109\/26.871398"}],"container-title":["Journal of Electrical and Computer Engineering"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/jece\/2015\/687874.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/jece\/2015\/687874.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/jece\/2015\/687874.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2016,7,27]],"date-time":"2016-07-27T20:41:16Z","timestamp":1469652076000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.hindawi.com\/journals\/jece\/2015\/687874\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015]]},"references-count":25,"alternative-id":["687874","687874"],"URL":"https:\/\/doi.org\/10.1155\/2015\/687874","relation":{},"ISSN":["2090-0147","2090-0155"],"issn-type":[{"type":"print","value":"2090-0147"},{"type":"electronic","value":"2090-0155"}],"subject":[],"published":{"date-parts":[[2015]]}}}