电讯技术
電訊技術
전신기술
TELECOMMUNICATIONS ENGINEERING
2014年
5期
559-563
,共5页
李明阳%彭卫东%柏鹏%王晟达
李明暘%彭衛東%柏鵬%王晟達
리명양%팽위동%백붕%왕성체
二元零相关区序列%伪随机序列%交织技术%移位序列%Hadamard矩阵
二元零相關區序列%偽隨機序列%交織技術%移位序列%Hadamard矩陣
이원령상관구서렬%위수궤서렬%교직기술%이위서렬%Hadamard구진
binary zero correlation zone ( ZCZ ) sequence%pseudo random sequence%interleaving tech-nique%shift sequence%Hadamard matrix
基于伪随机序列,提出一种二元零相关区序列构造方法。该方法利用伪随机序列的游程特性,通过在伪随机序列的适当位置进行插值,使生成的序列具有一定长度的零相关区。为了提高序列的丰富性,提出两种扩展方法:一种基于交织技术,通过构造移位序列,使交织序列的周期增大而零相关区不变;另一种方法将零相关区序列与Hadamard矩阵的行向量按位相乘,该方法能够增加零相关区序列数量的同时不改变序列的周期。数值仿真证明了所提方法的有效性。
基于偽隨機序列,提齣一種二元零相關區序列構造方法。該方法利用偽隨機序列的遊程特性,通過在偽隨機序列的適噹位置進行插值,使生成的序列具有一定長度的零相關區。為瞭提高序列的豐富性,提齣兩種擴展方法:一種基于交織技術,通過構造移位序列,使交織序列的週期增大而零相關區不變;另一種方法將零相關區序列與Hadamard矩陣的行嚮量按位相乘,該方法能夠增加零相關區序列數量的同時不改變序列的週期。數值倣真證明瞭所提方法的有效性。
기우위수궤서렬,제출일충이원령상관구서렬구조방법。해방법이용위수궤서렬적유정특성,통과재위수궤서렬적괄당위치진행삽치,사생성적서렬구유일정장도적령상관구。위료제고서렬적봉부성,제출량충확전방법:일충기우교직기술,통과구조이위서렬,사교직서렬적주기증대이령상관구불변;령일충방법장령상관구서렬여Hadamard구진적행향량안위상승,해방법능구증가령상관구서렬수량적동시불개변서렬적주기。수치방진증명료소제방법적유효성。
Based on pseudo sequence,a binary zero correlation zone( ZCZ) sequence construction method is presented in this paper. By employing the run length characteristic,through interpolating in appropriate location,the sequence is constructed with ZCZ of a certain length. In order to enlarge the richness of the sequences,two extension methods are introduced. One is based on interleaving technique and through de-signing shift sequence,the sequence constructed by which has increased period and identical ZCZ. The oth-er multiples the ZCZ sequence and row vectors of Hadamard matrix bit by bit to increase the volume but without changing the period of the ZCZ sequences. Numerical simulation validates the effectiveness of the proposed method.