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Method for performing random access and terminal for performing same

專利號(hào)
US10791541B2
公開(kāi)日期
2020-09-29
申請(qǐng)人
LG ELECTRONICS INC.(KR Seoul)
發(fā)明人
Seunggye Hwang; Yunjung Yi; Kijun Kim; Seonwook Kim
IPC分類
H04W72/02; H04L27/26; H04W72/04; H04W74/08; H04L29/08; H04L12/24; H04L29/06; H04W76/10; H04L5/00
技術(shù)領(lǐng)域
ue,numerology,prach,preamble,random,access,resource,enodeb,dci,in
地域: Seoul

摘要

A disclosure of the present specification provides a method for performing random access by a terminal. The method may comprise the steps of: selecting, by the terminal, a first resource among a plurality of resources for a physical random access channel (PRACH), wherein the plurality of resources exist for each numerology, and the numerology is defined by a cycle prefix (CP) length and a subcarrier spacing; and transmitting, by the terminal, the PRACH on the first resource through a first numerology when the selected first resource is for the first numerology.

說(shuō)明書(shū)

Referring to FIG. 10, the random access preamble includes a cyclic prefix (CP) 510 and a preamble sequence 1020. The length of the cyclic prefix can be represented as TCP, and the length of the preamble sequence can be represented as TSEQ.

The random access preamble may have a different format depending on a frame structure and a random access configuration. For this, reference can be made to Table 1 below. In Table 1, Ts indicates a basic time unit.

TABLE 2 Preamble format TCP TSEQ 0 ?3168 · Ts 24576 · Ts 1 21024 · Ts 24576 · Ts 2 ?6240 · Ts 2 · 24576 · Ts 3 21024 · Ts 2 · 24576 · Ts

權(quán)利要求

1
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