电讯技术
電訊技術
전신기술
Telecommunication Engineering
2015年
9期
978-983
,共6页
郭鹏程%姚富强%关胜勇%张超
郭鵬程%姚富彊%關勝勇%張超
곽붕정%요부강%관성용%장초
空移键控%抗截获通信%最大似然算法%天线映射规则%伪随机变化
空移鍵控%抗截穫通信%最大似然算法%天線映射規則%偽隨機變化
공이건공%항절획통신%최대사연산법%천선영사규칙%위수궤변화
space shift keying%anti-interception communication%maximum-likelihood algorithm%antenna mapping rule%pseudo-random change
在传统的空移键控技术基础上，对天线映射规则进行伪随机改变，旨在探索一种新的抗截获通信方式。重点分析了所提方案的实现原理及天线映射结构，并计算了其误码率联合上界；接收端采用最大似然算法，确保了天线位置序号能被正确检测。性能仿真表明，该方案的传输性能取决于发送与接收天线数目，而与所选取天线映射规则的个数无关。最后，从窃听方破译天线序列复杂性的角度出发，证明了系统具有很好的反侦察、抗截获性能。
在傳統的空移鍵控技術基礎上，對天線映射規則進行偽隨機改變，旨在探索一種新的抗截穫通信方式。重點分析瞭所提方案的實現原理及天線映射結構，併計算瞭其誤碼率聯閤上界；接收耑採用最大似然算法，確保瞭天線位置序號能被正確檢測。性能倣真錶明，該方案的傳輸性能取決于髮送與接收天線數目，而與所選取天線映射規則的箇數無關。最後，從竊聽方破譯天線序列複雜性的角度齣髮，證明瞭繫統具有很好的反偵察、抗截穫性能。
재전통적공이건공기술기출상，대천선영사규칙진행위수궤개변，지재탐색일충신적항절획통신방식。중점분석료소제방안적실현원리급천선영사결구，병계산료기오마솔연합상계；접수단채용최대사연산법，학보료천선위치서호능피정학검측。성능방진표명，해방안적전수성능취결우발송여접수천선수목，이여소선취천선영사규칙적개수무관。최후，종절은방파역천선서렬복잡성적각도출발，증명료계통구유흔호적반정찰、항절획성능。
Based on the traditional Space Shift Keying(SSK) technology,this paper changes the antenna mapping rule pseudo-randomly in order to explore a new anti-interception communication way. The prin-ciple of the proposed scheme and antenna mapping structure are emphatically analyzed, and the upper bounds of bit error rate( BER) of the proposed scheme are calculated. The Maximum-Likelihood( ML) al-gorithm adopted by the receiver ensures that the antenna position can be detected correctly. Performance simulation shows the transmission performance depends on the numbers of sending and receiving antennas, and has nothing to do with the numbers of selected antenna mapping rules. Finally,it is proved that the sys-tem has good counter-reconnaissance and anti-interception performance from the aspect of complexity of eavesdroppers deciphering antenna sequences.
