UE . UE . UE , : . [14] E-UTRAN 504 , 168 . 3 .
UMTS [1]. UMTS, 2 : PSS (Primary Synchronization Signal) SSS (Secondary Synchronization Signal). PSS, UE . SSS, UE . (), UE . UE BCCH .
PSS Zadoff-Chu (ZC-) . . ZC- X(u)ZC m-1 MZC/m, MZC .
ZC- CAZAC (Constant-Amplitude Zero-Auto-Correlation), :
- ,
- (-) u.
ZC-
(3.1)
u ZC- MZC (.3.10). ZC- MZC 0 MZC. ZC . ZC- , , 12. ZC- 1 , 1 . .
.3.10. ZC-
PSS E-UTRA - ZC-. NID(2) = 0; 1; 2. : eNB 3 , , NID(2).
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PSS 62 (n=061)
(3.2)
3- . 3.7.
3.7
NID(2) | u |
PSS OFDM-, 72 f (. 3.11). , , , 6. 62 4-. 5 .
.3.11.
PSS 10 . ( 1, .3.1) 0 5 OFDM- 0 10 . ( 2, .3.3) PSS OFDM- 1 6. PSS, UE NID(2).
, SSS . NID(1), 0167.
NID(cell) = 3 NID(1) + NID(2) (3.3)
504 .
SSS, PSS, m- 31 . 0 5. SSS , PSS: 31 (. 3.11). SSS OFDM- 0 10 , .. PSS. SSS 1 11. , PSS, SSS 0 5 . UE SSS .
d(n) SSS 3 m-: s(n), c(n) z(n) 31 (. 3.12).
.3.12. m-, SSS
m- s(n) m- c(n), SSS m- z(n).
(3.4)
c0(n) c1(n) , NID(2):
(3.5)
(3.4) d(n), s(n), c(n) z(n) +1 -1. , m- m0 m1 .
PSS SSS, UE PBCH (Physical Broadcast Channel). MIB (Master Information Block), , PHICH, SFN (System Frame Number) eNB. MIB, UE SIB (System Information Block) DL-SCH (Downlink Shared Channel). ( 11 Rel.8) , E-UTRAN (SIB1 SIB5), (SIB6 SIB8), (SIB9) (SIB10, SIB11). SIB1 80 . , UE eNB .
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