CPC H04L 5/0048 (2013.01) [H04J 11/005 (2013.01); H04J 13/10 (2013.01); H04L 5/0007 (2013.01); H04W 72/21 (2023.01)] | 20 Claims |
1. A method, comprising:
determining a second sequence based on an index v of a sequence group, wherein the sequence group comprises a sequence {xn} and a sequence {ym}, and wherein the second sequence is at least one of a second sequence {fn} or a second sequence {gm}; and
receiving uplink control information or a reference signal based on the second sequence, wherein:
the sequence {xn} corresponds to a second sequence {fn}, and the second sequence {ym} corresponds to the second sequence {gm}, wherein fn is an element in the second sequence {fn}, gm is an element in the second sequence {gm}, a length of the second sequence {fn} is N, a length of the second sequence {gm} is M, n and m are integers, 0≤n≤N−1, and 0≤m≤M−1;
the element fn satisfies fn=xn·ej·α·n;
the element gm satisfies gm=ym·ej·α·m;
A is a non-zero complex number, α is a real number, and j=√−1;
an element xn in the sequence {xn} satisfies xn=u·eπ·zn/4, u is a non-zero complex number, and sn is an element in a sequence {sn};
an element ym in the second sequence {ym} satisfies ym=kq(m mod Mprime),
i is an integer, 0≤i≤Mprime−1, Mprime, is a largest prime number smaller than M; and
when N=18 and M=36, a combination of the sequence {sn} and q is one of following combinations, wherein the following combinations belong to a combination set, and the following combinations comprise:
the sequence {sn} is {−1, 3, −1, −3, 3, 1, −3, −1, 3, −3, −1, −1, 1, 1, 1, −1, −1, −1}, and q=1;
the sequence {sn} is {3, −3, 3, −1, 1, 3, −3, −1, −3, −3, −1, −3, 3, 1, −1, 3, −3, 3}, and q=2;
the sequence {sn} is {−3, 3, 1, −1, −1, 3, −3, −1, 1, 1, 1, 1, 1, −1, 3, −1, −3, −1}, and q=3;
the sequence {sn} is {1, 1, −1, −1, −3, −1, 1, −3, −3, −3, 1, −3, −1, −1, 1, −1, 3, 1}, and q=5;
the sequence {sn} is {−3, 3, −1, 1, 3, 1, −3, −1, 1, 1, −3, 1, 3, 3, −1, −3, −3, −3}, and q=7;
the sequence {sn} is {3, −1, 3, 1, −3, −3, −1, 1, −3, −3, 3, 3, 3, 1, 3, −3, 3, −3}, and q=10;
the sequence {sn} is {−3, −3, −3, 1, −3, 3, 1, 1, 3, −3, −3, 1, 3, −1, 3, −3, −3, 3}, and q=11;
the sequence {sn} is {−3, −3, 3, 3, 3, −1, −1, −3, −1, −1, −1, 3, 1, −3, −3, −1, 3, −1}, and q=12;
the sequence {sn} is {−3, −1, −3, −3, 1, 1, −1, −3, −1, −3, −1, −1, 3, 3, −1, 3, 1, 3}, and q=13;
the sequence {sn} is {−3, 3, −1, −3, −1, −3, 1, 1, −3, −3, −1, −1, 3, −3, 1, 3, 1, 1}, and q=15;
the sequence {sn} is {−3, 1, −3, −1, −1, 3, 1, −3, −3, −3, −1, −3, −3, 1, 1, 1, −1, −1}, and q=19;
the sequence {sn} is {3, 3, 3, −3, −1, −3, −1, 3, −1, 1, −1, −3, 1, −3, −3, −1, 3, 3}, and q=20; and
the sequence {sn} is {−3, 3, 1, −1, −1, −1, −1, 1, −1, 3, 3, −3, −1, 1, 3, −1, 3, −1}, and q=30.
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